; http://patorjk.com/software/taag/#p=display&f=Banner&t=Fast Forth
; Fast Forth For Texas Instrument MSP430FRxxxx FRAM devices
-; Copyright (C) <2017> <J.M. THOORENS>
+; Copyright (C) <2018> <J.M. THOORENS>
;
; This program is free software: you can redistribute it and/or modify
; it under the terms of the GNU General Public License as published by
; along with this program. If not, see <http://www.gnu.org/licenses/>.
; ----------------------------------------------------------------------
-; assembled with MACROASSEMBLER AS (http://john.ccac.rwth-aachen.de:8000/as/)
+; compiled with MACROASSEMBLER AS (http://john.ccac.rwth-aachen.de:8000/as/)
; ----------------------------------------------------------------------
- .cpu MSP430
- .include "mspregister.mac" ;
-; macexp off ; unrem to hide macro results
;-------------------------------------------------------------------------------
; Vingt fois sur le métier remettez votre ouvrage,
;===============================================================================
;===============================================================================
; before assembling or programming you must set TARGET in param1 (SHIFT+F8)
-; according to the TARGET "switched" below
+; according to the selected TARGET below
;===============================================================================
;===============================================================================
-;-----------------------------------------------------------------------------------------------
-; TARGET configuration SWITCHES ; bytes values are for DTC=1, 8MHz 2457600 bds TERMINAL3WIRES
-;-----------------------------------------------------------------------------------------------
-; TOTAL - SUM of (INFO+RAM +VECTORS) = MAIN PROG
-;MSP_EXP430FR5739 ; compile for MSP-EXP430FR5739 launchpad ; 4248 - 160 ( 24 + 86 + 50 ) = 4088 bytes
-;MSP_EXP430FR5969 ; compile for MSP-EXP430FR5969 launchpad ; 4238 - 162 ( 24 + 86 + 52 ) = 4076 bytes
-MSP_EXP430FR5994 ;; compile for MSP-EXP430FR5994 launchpad ; 4280 - 186 ( 24 + 86 + 76 ) = 4094 bytes
-;MSP_EXP430FR6989 ; compile for MSP-EXP430FR6989 launchpad ; 4272 - 168 ( 24 + 86 + 58 ) = 4104 bytes
-;MSP_EXP430FR4133 ; compile for MSP-EXP430FR4133 launchpad ; 4286 - 140 ( 24 + 86 + 30 ) = 4146 bytes
-;MSP_EXP430FR2433 ; compile for MSP-EXP430FR2433 launchpad ; 4200 - 140 ( 24 + 86 + 30 ) = 4060 bytes
-;CHIPSTICK_FR2433 ; compile for the "CHIPSTICK" of M. Ken BOAK ; 4204 - 148 ( 24 + 86 + 38 ) = 4064 bytes
+VER .equ "V208" ; FORTH version
+
+ macexp off ; uncomment to hide macro results in forthMSP430FR.lst
+
+;-------------------------------------------------------------------------------
+; TARGETS kernel ; sizes are for 8MHz, DTC=1, THREADS=1, 3WIRES (XON/XOFF)
+;-------------------------------------------------------------------------------
+;MSP_EXP430FR5739 ; compile for MSP-EXP430FR5739 launchpad ; 24 + 2 + 3876 bytes
+;MSP_EXP430FR5969 ; compile for MSP-EXP430FR5969 launchpad ; 24 + 2 + 3852 bytes
+MSP_EXP430FR5994 ;; compile for MSP-EXP430FR5994 launchpad ; 24 + 2 + 3878 bytes
+;MSP_EXP430FR6989 ; compile for MSP-EXP430FR6989 launchpad ; 24 + 2 + 3888 bytes
+;MSP_EXP430FR4133 ; compile for MSP-EXP430FR4133 launchpad ; 24 + 2 + 3918 bytes
+;MSP_EXP430FR2355 ; compile for MSP-EXP430FR2355 launchpad ; 24 + 2 + 3854 bytes
+;MSP_EXP430FR2433 ; compile for MSP-EXP430FR2433 launchpad ; 24 + 2 + 3840 bytes
+;CHIPSTICK_FR2433 ; compile for the "CHIPSTICK" of M. Ken BOAK ; 24 + 2 + 3840 bytes
; choose DTC (Direct Threaded Code) model, if you don't know, choose 1
DTC .equ 1 ; DTC model 1 : DOCOL = CALL rDOCOL 14 cycles 1 word shortest DTC model
; DTC model 2 : DOCOL = PUSH IP, CALL rEXIT 13 cycles 2 words good compromize for mix FORTH/ASM code
; DTC model 3 : inlined DOCOL 9 cycles 4 words fastest
-FREQUENCY .equ 16 ; fully tested at 0.25,0.5,1,2,4,8,16 (and 24 for MSP430FR57xx) MHz
-THREADS .equ 16 ; 1, 4, 8, 16, 32 search entries in dictionnary. 16 is the good compromise between speed and size.
- ; +40, +66, +90, +154 bytes
+THREADS .equ 16 ; 1, 2 , 4 , 8 , 16, 32 search entries in dictionnary.
+ ; +0, +42, +54, +70, +104, +168 bytes, usefull to speed up compilation;
+ ; choose 16
-;HALFDUPLEX ; to use FAST FORTH with input terminal via bluetooth or WIFI (and with terminal_config = local Echo)
-
-TERMINALBAUDRATE .equ 3000000 ; choose value considering the frequency and the UART2USB bridge, see explanations below.
-TERMINAL3WIRES ; enable 3 wires (GND,TX,RX) with XON/XOFF software flow control (PL2303TA/HXD, CP2102)
-TERMINAL4WIRES ; + 18 bytes enable 4 wires with hardware flow control on RX with RTS (PL2303TA/HXD, FT232RL)
-;TERMINAL5WIRES ; + 6 bytes enable 5 wires with hardware flow control on RX/TX with RTS/CTS (PL2303TA/HXD, FT232RL)
-
- .include "Target.inc" ; to define target config: I/O, memory, SFR, vectors, TERMINAL eUSCI, SD_Card eUSCI, LF_XTAL,
+FREQUENCY .equ 16 ; fully tested at 0.25,0.5,1,2,4,8,16 MHz (+ 24 MHz for MSP430FR57xx,MSP430FR2355)
;-------------------------------------------------------------------------------
; KERNEL ADD-ON SWITCHES
;-------------------------------------------------------------------------------
-CONDCOMP ; + 354 bytes : add conditionnal compilation : [UNDEFINED] [DEFINED] [IF] [ELSE] [THEN], strongly recommended.
-MSP430ASSEMBLER ; + 1894 bytes : add embedded assembler with TI syntax; without, you can do all but all much more slowly...
-SD_CARD_LOADER ; + 1832 bytes : to LOAD source files from SD_card
-SD_CARD_READ_WRITE ; + 1196 bytes : to read, create, write and del files + source files direct copy from PC to SD_Card
-BOOTLOADER ; + 52 bytes : add to <reset> a bootstrap to SD_CARD\BOOT.4TH.
-;QUIETBOOT ; + 2 bytes : to perform bootload without displaying.
-VOCABULARY_SET ; + 108 bytes : add VOCABULARY FORTH ASSEMBLER ALSO PREVIOUS ONLY DEFINITIONS (FORTH83, not ANSI)
-LOWERCASE ; + 30 bytes : enable to write strings in lowercase.
-
-;-------------------------------------------------------------------------------
-; OPTIONAL KERNEL ADD-ON SWITCHES (can be downloaded later) >------------------+
-; Tip: when switched ON below, ADD-ONs become protected against WIPE and Deep Reset... |
-;------------------------------------------------------------------------------- v
-UTILITY ; + 426/508 bytes : add .S .RS WORDS U.R DUMP ? UTILITY.f
-;FIXPOINT ; + 40 bytes : add fixed point S15Q16 conversion words F#, F#S, F. FIXPOINT.f
-SD_TOOLS ; + 126 bytes for trivial DIR, FAT, CLUSTER and SECTOR view, adds UTILITY SD_TOOLS.f
-;ANS_CORE_COMPLIANT ; + 876 bytes : required to pass coretest.4th ; (includes items below) COMPxMPY.f (x = H or S)
-;ARITHMETIC ; + 358 bytes : add S>D M* SM/REM FM/MOD * /MOD / MOD */MOD /MOD */
-;DOUBLE ; + 130 bytes : add 2@ 2! 2DUP 2SWAP 2OVER
-;ALIGNMENT ; + 24 bytes : add ALIGN ALIGNED
-;PORTABILITY ; + 46 bytes : add CHARS CHAR+ CELLS CELL+
-
+CONDCOMP ;; + 320 bytes : adds conditionnal compilation : COMPARE [DEFINED] [UNDEFINED] [IF] [ELSE] [THEN] MARKER
+MSP430ASSEMBLER ;; + 1828/2264 bytes : adds embedded assembler with TI syntax; without, you can do all but all much more slowly...
+NONAME ;; + 54 bytes : adds :NONAME CODENNM (CODENoNaMe)
+VOCABULARY_SET ;; + 104 bytes : adds words: VOCABULARY FORTH ASSEMBLER ALSO PREVIOUS ONLY DEFINITIONS (FORTH83)
+DOUBLE_INPUT ;; + 46 bytes : adds the interpretation input for double numbers (dot numbers)
+FIXPOINT_INPUT ;; + 112 bytes : adds the interpretation input for Q15.16 numbers, mandatory for FIXPOINT ADD-ON
+SD_CARD_LOADER ;; + 1748 bytes : to LOAD source files from SD_card
+SD_CARD_READ_WRITE ;; + 1192 bytes : to read, create, write and del files + copy text files from PC to SD_Card
+BOOTLOADER ;; + 72 bytes : includes to <reset> the SD_CARD\BOOT.4TH file as bootloader.
+;QUIETBOOT ; + 2 bytes : to perform bootloader without displaying.
+;TOTAL ; + 4 bytes : to save also R4 to R7 registers during interrupts.
+
+;-------------------------------------------------------------------------------
+; OPTIONAL ADD-ON SWITCHES (that can be downloaded later) >-----------------------+
+; when added here, ADD-ONs become protected against WIPE and Deep Reset... |
+;------------------------------------------------------------------------------- v
+;FIXPOINT ; + 422/528 bytes add HOLDS F+ F- F/ F* F#S F. S>F 2@ 2CONSTANT FIXPOINT.f
+UTILITY ;; + 434/524 bytes (1/16threads) : add .S .RS WORDS U.R DUMP ? UTILITY.f
+SD_TOOLS ;; + 142 bytes for trivial DIR, FAT, CLUSTER and SECTOR view, adds UTILITY SD_TOOLS.f
+;ANS_CORE_COMPLEMENT ; + 902 bytes : required to pass coretest.4th ; (includes items below) ANS_COMP.f
+
+;-------------------------------------------------------------------------------
+; FAST FORTH TERMINAL configuration
+;-------------------------------------------------------------------------------
+;HALFDUPLEX ; to use FAST FORTH with half duplex terminal
+TERMINALBAUDRATE .equ 115200 ; choose value considering the frequency and the UART2USB bridge, see explanations below.
+TERMINAL3WIRES ;; enable 3 wires (GND,TX,RX) with XON/XOFF software flow control (PL2303TA/HXD, CP2102)
+TERMINAL4WIRES ;; + 12 bytes enable 4 wires with hardware flow control on RX with RTS (PL2303TA/HXD, FT232RL)
+; this RTS pin may be permanently wired on SBWTCK/TEST pin without disturbing SBW 2 wires programming
+;TERMINAL5WIRES ; + 6 bytes enable 5 wires with hardware flow control on RX/TX with RTS/CTS (PL2303TA/HXD, FT232RL)...
;===============================================================================
-; XON/XOFF control flow configuration ; up to 322kBd/MHz with ECHO
+; Software control flow XON/XOFF configuration:
;===============================================================================
+; Launchpad --- UARTtoUSB device
+; RX <-- TX
+; TX --> RX
+; GND <-> GND
-; Only two usb2uart bridges correctly handle XON / XOFF: cp2102 and pl2303.
+; TERATERM config terminal : NewLine receive : AUTO,
+; NewLine transmit : CR+LF
+; Size : 128 chars x 49 lines (adjust lines to your display)
+
+; TERATERM config serial port : TERMINALBAUDRATE value,
+; 8 bits, no parity, 1 Stop bit,
+; XON/XOFF flow control,
+; delay = 0ms/line, 0ms/char
+
+; don't forget : save new TERATERM configuration !
-; the best and cheapest: UARTtoUSB cable with Prolific PL2303TA (supply current = 8 mA) or PL2303HXD
-; ...but pl2303HXD cable have not the 3.3V pin...
-; I bought a cable pl2303TA plus a cable pl2303HXD, and I recovered the 6-wire cable of the HXD to weld it on
-; the TA. I obtain a PL2303TA cable with GND, 3.3V, RX TX, CTS and RTS.
-;==============================================================================================================
-;==============================================================================================================
-; About pl2303 USB2UART bridge: XON/XOFF no longer works with new driver v3.8.12.0 (03/03/2017)...
-; So, get on web the previous PL2303_Prolific_DriverInstaller_v1160.exe (or .zip) and save it before install.
-;==============================================================================================================
-;==============================================================================================================
; --------------------------------------------------------------------------------------------
-; WARNING ! if you use PL2303TA cable as supply, open box before to weld red wire on 3v3 pad !
+; Only two usb2uart bridges correctly handle XON / XOFF: cp2102 and pl2303.
+; --------------------------------------------------------------------------------------------
+; the best and cheapest: UARTtoUSB cable with Prolific PL2303HXD (or PL2303TA)
+; works well in 3 WIRES (XON/XOFF) and 4WIRES (GND,RX,TX,RTS) config
; --------------------------------------------------------------------------------------------
-; 9600,19200,38400,57600 (250kHz)
-; + 115200,134400 (500kHz)
-; + 201600,230400,268800 (1MHz)
-; + 403200,460800,614400 (2MHz)
-; + 806400,921600,1228800 (4MHz)
-; + 2457600 (8MHz)
-; + 3000000 (16MHz)
-; + 6000000 (24MHz, MSP430FR57xx)
-
+; PL2303TA 4 wires CABLE PL2303HXD 6 wires CABLE
+; pads upside: 3V3,txd,rxd,gnd,5V pads upside: gnd, 3V3,txd,rxd,5V
+; downside: cts,dcd,dsr,rts,dtr downside: rts,cts
+; --------------------------------------------------------------------------------------------
+; WARNING ! if you use PL2303TA/HXD cable as supply, open the box before to weld red wire on 3v3 pad !
+; --------------------------------------------------------------------------------------------
+; 9600,19200,38400,57600 (250kHz)
+; + 115200,134400 (500kHz)
+; + 201600,230400,268800 (1MHz)
+; + 403200,460800,614400 (2MHz)
+; + 806400,921600,1228800 (4MHz)
+; + 2457600 (8MHz,PL2303TA)
+; + 1843200,2457600 (8MHz,PL2303HXD)
+; + 3MBds (16MHz,PL2303TA)
+; + 3MBds,4MBds,5MBds (16MHz,PL2303HXD)
+; + 6MBds (MSP430FR57xx,MSP430FR2355 families,24MHz)
; UARTtoUSB module with Silabs CP2102 (supply current = 20 mA)
; ---------------------------------------------------------------------------------------------------
; + 57600 (500kHz)
; + 115200,134400,230400 (1MHz)
; + 460800 (2MHz)
-; + 921600 (4MHz)
-; + 1382400,1843200 (8MHz) (must be reprogrammed)
-; + 4000000 (16MHz,24MHz) (must be reprogrammed)
-; ...But beyond 921600 bds, while the download is done without errors, some chars issued by FAST FORTH are lost ...
+; + 921600 (4MHz,8MHz,16MHz,24MHz)
-; Launchpad --- UARTtoUSB device
+;===============================================================================
+; Hardware control flow configuration: RTS is wired on UART2USB CTS pin
+;===============================================================================
+
+; Launchpad <-> UARTtoUSB
; RX <-- TX
; TX --> RX
+; RTS --> CTS (see launchpad.asm for RTS selected pin)
; GND <-> GND
; TERATERM config terminal : NewLine receive : AUTO,
; TERATERM config serial port : TERMINALBAUDRATE value,
; 8bits, no parity, 1Stopbit,
-; XON/XOFF flow control,
+; Hardware flow control,
; delay = 0ms/line, 0ms/char
; don't forget : save new TERATERM configuration !
-
-;===============================================================================
-; Hardware control flow configuration: RTS is wired on UART2USB CTS pin
-;===============================================================================
-
-; Launchpad <-> UARTtoUSB
-; RX <-- TX
-; TX --> RX
-; RTS --> CTS
-; GND <-> GND
-
-; notice that the control flow seems not necessary for TX
+; notice that the control flow seems not necessary for TX (CTS <-- RTS)
; UARTtoUSB module with PL2303TA/HXD
; --------------------------------------------------------------------------------------------
-; WARNING ! if you use PL2303TA cable as supply, open box before to weld red wire on 3v3 pad !
+; WARNING ! if you use PL2303TA/HXD cable as supply, open the box before to weld red wire on 3v3 pad !
; --------------------------------------------------------------------------------------------
-; 9600,19200,38400,57600,115200,134400 (500kHz)
-; + 201600,230400,268800 (1MHz)
-; + 403200,460800,614400 (2MHz)
-; + 806400,921600,1228800 (4MHz)
-; + 2457600 (8MHz)
-; + 3000000 (16MHz, 24MHz with MSP430FR57xx))
-
+; 9600,19200,38400,57600 (250kHz)
+; + 115200,134400 (500kHz)
+; + 201600,230400,268800 (1MHz)
+; + 403200,460800,614400 (2MHz)
+; + 806400,921600,1228800 (4MHz)
+; + 2457600,3000000 (8MHz)
+; + 4000000,5000000 (16MHz)
+; + 6000000 (24MHz)
; UARTtoUSB module with FTDI FT232RL (FT230X don't work correctly)
; ------------------------------------------------------------------------------
; + 460800 (2MHz)
; + 921600 (4,8,16 MHz)
+; ------------------------------------------------------------------------------
+; UARTtoBluetooth 2.0 module (RN42 sparkfun bluesmirf) at 921600bds
+; ------------------------------------------------------------------------------
+; 9600,19200,38400,57600,115200 (500kHz)
+; + 230400 (1MHz)
+; + 460800 (2MHz)
+; + 921600 (4,8,16 MHz)
+
+; RN42 config : connect RN41/RN42 module on teraterm, via USBtoUART bridge,
+; ----------- 8n1, 115200 bds, no flow control, echo on
+; $$$ // enter control mode, response: AOK
+; SU,92 // set 921600 bds, response: AOK
+; R,1 // reset module to take effect
+;
+; connect RN42 module on FastForth target
+; add new bluetooth device on windows, password=1234
+; open the created output COMx port with TERATERM at 921600bds
+
+
; TERATERM config terminal : NewLine receive : AUTO,
; NewLine transmit : CR+LF
; Size : 128 chars x 49 lines (adjust lines to your display)
; TERATERM config serial port : TERMINALBAUDRATE value,
; 8bits, no parity, 1Stopbit,
-; Hardware flow control,
+; Hardware flow control or software flow control or ...no flow control!
; delay = 0ms/line, 0ms/char
; don't forget : save new TERATERM configuration !
-
-; ------------------------------------------------------------------------------
-; DTCforthMSP430FR5xxx Init vocabulary pointers:
+; in fact, compared to using a UART USB bridge, only the COMx port is to be updated.
; ------------------------------------------------------------------------------
- .IF THREADS = 1
-
-voclink .set 0 ; init vocabulary links
-forthlink .set 0
-asmlink .set 0
-
-FORTHWORD .MACRO name
- .word forthlink
-forthlink .set $
- .byte STRLEN(name),name
-; .align 2
- .ENDM
-
-FORTHWORDIMM .MACRO name
- .word forthlink
-forthlink .set $
- .byte STRLEN(name)+128,name
-; .align 2
- .ENDM
-
-asmword .MACRO name
- .word asmlink
-asmlink .set $
- .byte STRLEN(name),name
-; .align 2
- .ENDM
-
- .ELSE
- .include "ForthThreads.mac"
- .ENDIF
+ .include "ThingsInFirst.inc" ; to define target config: I/O, memory, SFR, vectors, TERMINAL eUSCI, SD_Card eUSCI, LF_XTAL,
;-------------------------------------------------------------------------------
; DTCforthMSP430FR5xxx RAM memory map:
;-------------------------------------------------------------------------------
+;-------------------------------------
; name words ; comment
-
-;LSTACK = L0 = LEAVEPTR ; ----- RAMSTART
+;-------------------------------------
+;LSTACK = L0 = LEAVEPTR ; ----- RAM_ORG
; |
LSTACK_SIZE .equ 16 ; | grows up
; V
; ^
PSTACK_SIZE .equ 48 ; | grows down
; |
-;PSTACK=S0 ; ----- RAMSTART + $80
+;PSTACK=S0 ; ----- RAM_ORG + $80
; ^
RSTACK_SIZE .equ 48 ; | grows down
; |
-;RSTACK=R0 ; ----- RAMSTART + $E0
+;RSTACK=R0 ; ----- RAM_ORG + $E0
+;-------------------------------------
; names bytes ; comments
-
-;PAD ; ----- RAMSTART + $E0
+;-------------------------------------
+;PAD ; ----- RAM_ORG + $E4
; |
PAD_LEN .equ 84 ; | grows up (ans spec. : PAD >= 84 chars)
; v
-;TIB ; ----- RAMSTART + $134
+;PAD_END ; ----- RAM_ORG + $138
+;TIB-4 ; TIB_I2CADR
+;TIB-2 ; TIB_I2CCNT
+;TIB ; ----- RAM_ORG + $13C
; |
TIB_LEN .equ 84 ; | grows up (ans spec. : TIB >= 80 chars)
; v
-;HOLDS_ORG ; ------RAMSTART + $188
+;HOLDS_ORG ; ------RAM_ORG + $190
; ^
HOLD_SIZE .equ 34 ; | grows down (ans spec. : HOLD_SIZE >= (2*n) + 2 char, with n = 16 bits/cell
; |
-;BASE_HOLD ; ----- RAMSTART + $1AA
+;BASE_HOLD ; ----- RAM_ORG + $1B2
;
; variables system ;
;
- ; ----- RAMSTART + $1DC
+ ; ----- RAM_ORG + $1E4
;
- ; 32 bytes free
+ ; 24 bytes free
;
-;BUFFER-2 ; ----- RAMSTART + $1FD
-;BUFFER ; ----- RAMSTART + $200
+; variables system END ; ----- RAM_ORG + $1FC
+ ; SD_BUF_I2CADR
+ ; SD_BUF_I2CCNT
+;SD_BUF ; ----- RAM_ORG + $200
;
; 512 bytes buffer
;
- ; ----- RAMSTART + $2FF
+ ; ----- RAM_ORG + $2FF
-LSTACK .equ RAMSTART
+LSTACK .equ RAM_ORG
LEAVEPTR .equ LSTACK ; Leave-stack pointer
PSTACK .equ LSTACK+(LSTACK_SIZE*2)+(PSTACK_SIZE*2)
RSTACK .equ PSTACK+(RSTACK_SIZE*2)
-PAD_ORG .equ RSTACK
-TIB_ORG .equ PAD_ORG+PAD_LEN
+PAD_I2CADR .equ PAD_ORG-4
+PAD_I2CCNT .equ PAD_ORG-2
+PAD_ORG .equ RSTACK+4
+TIB_I2CADR .equ TIB_ORG-4
+TIB_I2CCNT .equ TIB_ORG-2
+TIB_ORG .equ PAD_ORG+PAD_LEN+4
HOLDS_ORG .equ TIB_ORG+TIB_LEN
-BASE_HOLD .equ HOLDS_ORG+HOLD_SIZE
-
-; ----------------------------------
-; RAM VARIABLES initialised by RESET
-; ----------------------------------
-
- .org BASE_HOLD
-
-HP .word 0 ; HOLD ptr
-CAPS .word 0
-LAST_NFA .word 0 ; NFA, VOC_PFA, LFA, CFA, PSP of last created word
-LAST_THREAD .word 0 ; used by QREVEAL
-LAST_CFA .word 0
-LAST_PSP .word 0
-STATE .word 0 ; Interpreter state
-ASM_CURRENT .word 0 ; preserve CURRENT during create assembler words
-OPCODE .word 0 ; OPCODE adr
-ASMTYPE .word 0 ; keep the opcode complement
-SOURCE
-SOURCE_LEN .word 0
-SOURCE_ADR .word 0 ; len, addr of input stream
-TOIN .word 0
-DDP .word 0
-LASTVOC .word 0 ; keep VOC-LINK
-CURRENT .word 0 ; CURRENT dictionnary ptr
-CONTEXT .word 0,0,0,0,0,0,0,0 ; CONTEXT dictionnary space (8 CELLS)
-BASE .word 0
-
- .word 0 ; user free use
- .word 0,0,0,0,0,0,0,0 ; user free use
- .word 0,0,0,0,0,0,0,0 ; user free use
-
-; ------------------------------
-; RAM SD_CARD BUFFER 2+512 bytes
-; ------------------------------
+BASE_HOLD .equ HOLDS_ORG+HOLD_SIZE
- .word 0 ; to able init BufferPtr down to -2 (to skip a CR, for example)
-BUFFER
-BUFEND .equ BUFFER + 200h ; 512bytes
+; ----------------------------------------------------
+; RAM_ORG + $1B2 : RAM VARIABLES
+; ----------------------------------------------------
+HP .equ BASE_HOLD ; HOLD ptr
+CAPS .equ BASE_HOLD+2
+LAST_NFA .equ BASE_HOLD+4 ; NFA, VOC_PFA, CFA, PSP of last created word
+LAST_THREAD .equ BASE_HOLD+6 ; used by QREVEAL
+LAST_CFA .equ BASE_HOLD+8
+LAST_PSP .equ BASE_HOLD+10
+STATE .equ BASE_HOLD+12 ; Interpreter state
+SOURCE .equ BASE_HOLD+14
+SOURCE_LEN .equ BASE_HOLD+14
+SOURCE_ADR .equ BASE_HOLD+16 ; len, addr of input stream
+TOIN .equ BASE_HOLD+18 ; CurrentInputBuffer pointer
+DDP .equ BASE_HOLD+20 ; dictionnary pointer
+LASTVOC .equ BASE_HOLD+22 ; keep VOC-LINK
+CONTEXT .equ BASE_HOLD+24 ; CONTEXT dictionnary space (8 CELLS)
+CURRENT .equ BASE_HOLD+40 ; CURRENT dictionnary ptr
+BASE .equ BASE_HOLD+42
+LINE .equ BASE_HOLD+44 ; line in interpretation (initialized by NOECHO)
+
+; --------------------------------------------------------------;
+; RAM_ORG + $1E0 : free for user after source file compilation ;
+; --------------------------------------------------------------;
+SAV_CURRENT .equ BASE_HOLD+46 ; preserve CURRENT during create assembler words
+ASMLABELS
+ASMBW1 .equ BASE_HOLD+48
+ASMBW2 .equ BASE_HOLD+50
+ASMBW3 .equ BASE_HOLD+52
+ASMFW1 .equ BASE_HOLD+54
+ASMFW2 .equ BASE_HOLD+56
+ASMFW3 .equ BASE_HOLD+58
+RPT_WORD .equ BASE_HOLD+60
+; ----------------------------------;
+; RAM_ORG + $1F0 : free for user ;
+; ----------------------------------;
+; --------------------------------------------------
+; RAM_ORG + $1FC : RAM SD_CARD SD_BUF 4 + 512 bytes
+; --------------------------------------------------
+SD_BUF_I2CADR .equ SD_BUF-4
+SD_BUF_I2CCNT .equ SD_BUF-2
+SD_BUF .equ BASE_HOLD+78
+SD_BUFEND .equ SD_BUF + 200h ; 512bytes
;-------------------------------------------------------------------------------
-; INFO(DCBA) >= 256 bytes memory map:
+; INFO(DCBA) >= 256 bytes memory map (FRAM) :
;-------------------------------------------------------------------------------
- .org INFOSTART
+ .org INFO_ORG
; --------------------------
; FRAM INFO KERNEL CONSTANTS
; --------------------------
-
INI_THREAD .word THREADS ; used by ADDON_UTILITY.f
-INI_TERM .word TERMINAL_INT ; used by RESET
+TERMBRW_RST .word TERMBRW_INI ; set by TERMINALBAUDRATE.inc
+TERMMCTLW_RST .word TERMMCTLW_INI ; set by TERMINALBAUDRATE.inc
+
.IF FREQUENCY = 0.25
-FREQ_KHZ .word 250 ; user use
+FREQ_KHZ .word 250 ;
.ELSEIF FREQUENCY = 0.5
-FREQ_KHZ .word 500 ; user use
+FREQ_KHZ .word 500 ;
.ELSE
FREQ_KHZ .word FREQUENCY*1000 ; user use
.ENDIF
-HECTOBAUDS .word TERMINALBAUDRATE/100 ; user use
-SAVE_SYSRSTIV .word 05 ; value to identify first start after core recompiling
+SAVE_SYSRSTIV .word 0 ; value to identify first start after core recompiling
LPM_MODE .word CPUOFF+GIE ; LPM0 is the default mode
+;LPM_MODE .word CPUOFF+GIE+SCG0 ; LPM1 is the default mode (disable FLL)
INIDP .word ROMDICT ; define RST_STATE
INIVOC .word lastvoclink ; define RST_STATE
+FORTHVERSION .word VERSIO ;
+FORTHADDON .word FADDON ;
.word RXON ; user use
.word RXOFF ; user use
+INFO_BASE_END
+
.IFDEF SD_CARD_LOADER
.word ReadSectorWX ; used by ADDON_SD_TOOLS.f
.IFDEF SD_CARD_READ_WRITE
.word WriteSectorWX ; used by ADDON_SD_TOOLS.f
- .ELSEIF
- .word 0
.ENDIF ; SD_CARD_READ_WRITE
- .ELSEIF
- .word 0,0
.ENDIF ; SD_CARD_LOADER
-; ------------------------------
-; VARIABLES that could be in RAM
-; ------------------------------
- .IFNDEF RAM_1K ; if RAM = 1K (FR57xx) the variables below stay in FRAM
- .org BUFEND ; else in RAM beyond BUFFER
- .ENDIF
+; -------------------------------
+; VARIABLES that should be in RAM
+; -------------------------------
.IFDEF SD_CARD_LOADER
-SD_ORG_DATA
- .word 0 ; guard word
+ .IF RAM_LEN < 2048 ; if RAM < 2K (FR57xx) the variables below are in INFO space (FRAM)
+
+SD_ORG .equ INFO_BASE_END+22 ; 8 words free to set some core routines addresses + 1 word guard...
+ ; ...while preserving FRAM area SD_LEN.
+
+ .ELSE ; if RAM >= 2k the variables below are in RAM
+
+SD_ORG .equ SD_BUFEND+2 ; 1 word guard
+ .ENDIF
+
+ .org SD_ORG
+
; ---------------------------------------
-; FAT16 FileSystemInfos
+; FAT FileSystemInfos
; ---------------------------------------
-FATtype .word 0
-BS_FirstSectorL .word 0 ; init by SD_Init, used by RW_Sector_CMD
-BS_FirstSectorH .word 0 ; init by SD_Init, used by RW_Sector_CMD
-OrgFAT1 .word 0 ; init by SD_Init,
-FATSize .word 0 ; init by SD_Init,
-OrgFAT2 .word 0 ; init by SD_Init,
-OrgRootDIR .word 0 ; init by SD_Init, (FAT16 specific)
-OrgClusters .word 0 ; init by SD_Init, Sector of Cluster 0
-SecPerClus .word 0 ; init by SD_Init, byte size
-
+FATtype .equ SD_ORG+0
+BS_FirstSectorL .equ SD_ORG+2 ; init by SD_Init, used by RW_Sector_CMD
+BS_FirstSectorH .equ SD_ORG+4 ; init by SD_Init, used by RW_Sector_CMD
+OrgFAT1 .equ SD_ORG+6 ; init by SD_Init,
+FATSize .equ SD_ORG+8 ; init by SD_Init,
+OrgFAT2 .equ SD_ORG+10 ; init by SD_Init,
+OrgRootDIR .equ SD_ORG+12 ; init by SD_Init, (FAT16 specific)
+OrgClusters .equ SD_ORG+14 ; init by SD_Init, Sector of Cluster 0
+SecPerClus .equ SD_ORG+16 ; init by SD_Init, byte size
+
+SD_LOW_LEVEL .equ SD_ORG+18
; ---------------------------------------
; SD command
; ---------------------------------------
-SD_CMD_FRM .byte 0,0,0,0,0,0 ; SD_CMDx inverted frame ${CRC7,ll,LL,hh,HH,CMD}
-SectorL .word 0
-SectorH .word 0
+SD_CMD_FRM .equ SD_LOW_LEVEL ; SD_CMDx inverted frame ${CRC7,ll,LL,hh,HH,CMD}
+SectorL .equ SD_LOW_LEVEL+6
+SectorH .equ SD_LOW_LEVEL+8
; ---------------------------------------
-; BUFFER management
+; SD_BUF management
; ---------------------------------------
-BufferPtr .word 0
-BufferLen .word 0
+BufferPtr .equ SD_LOW_LEVEL+10
+BufferLen .equ SD_LOW_LEVEL+12
+SD_FAT_LEVEL .equ SD_LOW_LEVEL+14
; ---------------------------------------
; FAT entry
; ---------------------------------------
-ClusterL .word 0 ;
-ClusterH .word 0 ;
-NewClusterL .word 0 ;
-NewClusterH .word 0 ;
-CurFATsector .word 0 ; current FATSector of last free cluster
+ClusterL .equ SD_FAT_LEVEL ;
+ClusterH .equ SD_FAT_LEVEL+2 ;
+NewClusterL .equ SD_FAT_LEVEL+4 ;
+NewClusterH .equ SD_FAT_LEVEL+6 ;
+CurFATsector .equ SD_FAT_LEVEL+8 ; current FATSector of last free cluster
; ---------------------------------------
; DIR entry
; ---------------------------------------
-DIRClusterL .word 0 ; contains the Cluster of current directory ; = 1 as FAT16 root directory
-DIRClusterH .word 0 ; contains the Cluster of current directory ; = 1 as FAT16 root directory
-EntryOfst .word 0
+DIRClusterL .equ SD_FAT_LEVEL+10 ; contains the Cluster of current directory ; = 1 as FAT16 root directory
+DIRClusterH .equ SD_FAT_LEVEL+12 ; contains the Cluster of current directory ; = 1 as FAT16 root directory
+EntryOfst .equ SD_FAT_LEVEL+14
; ---------------------------------------
; Handle Pointer
; ---------------------------------------
-CurrentHdl .word 0 ; contains the address of the last opened file structure, or 0
+CurrentHdl .equ SD_FAT_LEVEL+16 ; contains the address of the last opened file structure, or 0
; ---------------------------------------
; Load file operation
; ---------------------------------------
-
-pathname .word 0 ; or any string...
-EndOfPath .word 0 ; or of any string...
+pathname .equ SD_FAT_LEVEL+18 ; start address
+EndOfPath .equ SD_FAT_LEVEL+20 ; end address
; ---------------------------------------
- .word 0,0,0,0
-
+FirstHandle .equ SD_FAT_LEVEL+22
; ---------------------------------------
; Handle structure
; ---------------------------------------
HDLB_ClustOfst .equ 3 ; Current sector offset in current cluster (Byte)
HDLL_DIRsect .equ 4 ; Dir SectorL
HDLH_DIRsect .equ 6 ; Dir SectorH
-HDLW_DIRofst .equ 8 ; BUFFER offset of Dir entry
+HDLW_DIRofst .equ 8 ; SD_BUF offset of Dir entry
HDLL_FirstClus .equ 10 ; File First ClusterLo (identify the file)
HDLH_FirstClus .equ 12 ; File First ClusterHi (identify the file)
HDLL_CurClust .equ 14 ; Current ClusterLo
HDLH_CurClust .equ 16 ; Current ClusterHi
HDLL_CurSize .equ 18 ; written size / not yet read size (Long)
HDLH_CurSize .equ 20 ; written size / not yet read size (Long)
-HDLW_BUFofst .equ 22 ; BUFFER offset ; used by LOAD"
+HDLW_BUFofst .equ 22 ; SD_BUF offset ; used by LOAD"
- .IFDEF RAM_1K ; RAM_Size = 1k: due to the lack of RAM PAD is SDIB
+ .IF RAM_LEN < 2048 ; due to the lack of RAM, only 5 handles and PAD replaces SDIB
-FirstHandle
-HandleMax .equ 5 ; and not 8 because lack of RAM
+HandleMax .equ 5 ; and not 8 to respect INFO size (FRAM)
HandleLenght .equ 24
HandleEnd .equ FirstHandle+handleMax*HandleLenght
- .org HandleEnd
-
LOADPTR .equ HandleEnd
LOAD_STACK .equ HandleEnd+2
LOADSTACK_SIZE .equ HandleMax+1 ; make room for 3 words * handles
LoadStackEnd .equ LOAD_STACK+LOADSTACK_SIZE*6
- .org LoadStackEnd
-
+SDIB_I2CADR .equ PAD_ORG-4
+SDIB_I2CCNT .equ PAD_ORG-2
SDIB_ORG .equ PAD_ORG
+SD_END .equ LoadStackEnd
- .ELSEIF ; RAM_Size > 1k
+ .ELSE ; RAM_Size >= 2k all is in RAM
-FirstHandle
HandleMax .equ 8
HandleLenght .equ 24
HandleEnd .equ FirstHandle+handleMax*HandleLenght
- .org HandleEnd
-
LOADPTR .equ HandleEnd
LOAD_STACK .equ HandleEnd+2
LOADSTACK_SIZE .equ HandleMax+1 ; make room for 3 words * handles
LoadStackEnd .equ LOAD_STACK+LOADSTACK_SIZE*6 ; 3 words by handle
- .org LoadStackEnd
-
-SDIB_ORG
-SDIB_LEN .equ 84
+SDIB_I2CADR .equ SDIB_ORG-4
+SDIB_I2CCNT .equ SDIB_ORG-2
+SDIB_ORG .equ LoadStackEnd+4
+SDIB_LEN .equ 84 ; = TIB_LEN = PAD_LEN
- .org SDIB_ORG+SDIB_LEN
+SD_END .equ SDIB_ORG+SDIB_LEN
.ENDIF ; RAM_Size
+SD_LEN .equ SD_END-SD_ORG
+
.ENDIF ; SD_CARD_LOADER
-SD_END_DATA ; used by SD_INIT to init SD_ram area
;-------------------------------------------------------------------------------
; DTCforthMSP430FR5xxx program (FRAM) memory
;-------------------------------------------------------------------------------
- .org PROGRAMSTART
+ .org MAIN_ORG
;-------------------------------------------------------------------------------
; DEFINING EXECUTIVE WORDS - DTC model
;-------------------------------------------------------------------------------
-
-;-------------------------------------------------------------------------------
; very nice FAST FORTH added feature:
;-------------------------------------------------------------------------------
; as IP is always computed from the PC value, we can place low level to high level
rDODOES .reg r4
rDOCON .reg r5
rDOVAR .reg r6
+rDOCOL .reg R7 ; COLD defines xdocol as R7 content
+
+L .reg R7
+M .reg r6 ; ex. PUSHM L,N
+N .reg r5
+P .reg r4
; Scratch registers
Y .reg R8
.CASE 1 ; DOCOL = CALL rDOCOL
;-------------------------------------------------------------------------------
-rDOCOL .reg R7 ; COLD defines xdocol as R7 content
-
xdocol MOV @RSP+,W ; 2
PUSH IP ; 3 save old IP on return stack
MOV W,IP ; 1 set new IP to PFA
.ENDM ;
mDOCOL .MACRO ; compiled by : and by colon
- CALL R7 ; 1 word, 14 cycles (CALL included) = ITC+4
+ CALL rDOCOL ; 1 word, 14 cycles (CALL included) = ITC+4
.ENDM ;
DOCOL1 .equ 1287h ; 4 CALL R7
MOV @TOS+,IP ; 2 IP = CFA of Master word, TOS = BODY address of created word
MOV @IP+,PC ; 4 Execute Master word
+
+;-------------------------------------------------------------------------------
+mSEMI .MACRO
+ MOV @RSP+,IP
+ MOV @IP+,PC
+ .ENDM
+
;-------------------------------------------------------------------------------
; INTERPRETER LOGIC
;-------------------------------------------------------------------------------
;C EXIT -- exit a colon definition; CALL #EXIT performs ASMtoFORTH (10 cycles)
; JMP #EXIT performs EXIT
FORTHWORD "EXIT"
-EXIT: MOV @RSP+,IP ; 2 pop previous IP (or next PC) from return stack
- MOV @IP+,PC ; 4 = NEXT
+EXIT MOV @RSP+,IP ; 2 pop previous IP (or next PC) from return stack
+ MOV @IP+,PC ; 4 = NEXT
; 6 = ITC - 2
;Z lit -- x fetch inline literal to stack
-; This is the primitive compiled by LITERAL.
+; This is the execution part of LITERAL.
FORTHWORD "LIT"
-lit: SUB #2,PSP ; 2 push old TOS..
- MOV TOS,0(PSP) ; 3 ..onto stack
- MOV @IP+,TOS ; 2 fetch new TOS value
- MOV @IP+,PC ; 4 NEXT
+lit SUB #2,PSP ; 2 push old TOS..
+ MOV TOS,0(PSP) ; 3 ..onto stack
+ MOV @IP+,TOS ; 2 fetch new TOS value
+ MOV @IP+,PC ; 4 NEXT
; 11 = ITC - 2
;-------------------------------------------------------------------------------
;https://forth-standard.org/standard/core/DUP
;C DUP x -- x x duplicate top of stack
FORTHWORD "DUP"
-DUP: SUB #2,PSP ; 2 push old TOS..
- MOV TOS,0(PSP) ; 3 ..onto stack
- mNEXT ; 4
+DUP SUB #2,PSP ; 2 push old TOS..
+ MOV TOS,0(PSP) ; 3 ..onto stack
+ mNEXT ; 4
;https://forth-standard.org/standard/core/qDUP
;C ?DUP x -- 0 | x x DUP if nonzero
FORTHWORD "?DUP"
-QDUP: CMP #0,TOS ; 2 test for TOS nonzero
- JNZ DUP ; 2
- mNEXT ; 4
+QDUP CMP #0,TOS ; 2 test for TOS nonzero
+ JNZ DUP ; 2
+ mNEXT ; 4
;https://forth-standard.org/standard/core/DROP
;C DROP x -- drop top of stack
FORTHWORD "DROP"
-DROP: MOV @PSP+,TOS ; 2
- mNEXT ; 4
+DROP MOV @PSP+,TOS ; 2
+ mNEXT ; 4
;https://forth-standard.org/standard/core/NIP
;C NIP x1 x2 -- x2 Drop the first item below the top of stack
FORTHWORD "NIP"
-NIP: ADD #2,PSP ; 1
- mNEXT ; 4
+NIP ADD #2,PSP ; 1
+ mNEXT ; 4
;https://forth-standard.org/standard/core/SWAP
;C SWAP x1 x2 -- x2 x1 swap top two items
FORTHWORD "SWAP"
-SWAP: MOV @PSP,W ; 2
- MOV TOS,0(PSP) ; 3
- MOV W,TOS ; 1
- mNEXT ; 4
+SWAP MOV @PSP,W ; 2
+ MOV TOS,0(PSP) ; 3
+ MOV W,TOS ; 1
+ mNEXT ; 4
;https://forth-standard.org/standard/core/OVER
;C OVER x1 x2 -- x1 x2 x1
FORTHWORD "OVER"
-OVER: MOV TOS,-2(PSP) ; 3 -- x1 (x2) x2
- MOV @PSP,TOS ; 2 -- x1 (x2) x1
- SUB #2,PSP ; 2 -- x1 x2 x1
- mNEXT ; 4
+OVER MOV TOS,-2(PSP) ; 3 -- x1 (x2) x2
+ MOV @PSP,TOS ; 2 -- x1 (x2) x1
+ SUB #2,PSP ; 1 -- x1 x2 x1
+ mNEXT ; 4
;https://forth-standard.org/standard/core/ROT
;C ROT x1 x2 x3 -- x2 x3 x1
FORTHWORD "ROT"
-ROT: MOV @PSP,W ; 2 fetch x2
- MOV TOS,0(PSP) ; 3 store x3
- MOV 2(PSP),TOS ; 3 fetch x1
- MOV W,2(PSP) ; 3 store x2
- mNEXT ; 4
+ROT MOV @PSP,W ; 2 fetch x2
+ MOV TOS,0(PSP) ; 3 store x3
+ MOV 2(PSP),TOS ; 3 fetch x1
+ MOV W,2(PSP) ; 3 store x2
+ mNEXT ; 4
;https://forth-standard.org/standard/core/toR
;C >R x -- R: -- x push to return stack
FORTHWORD ">R"
-TOR: PUSH TOS
- MOV @PSP+,TOS
+TOR PUSH TOS
+ MOV @PSP+,TOS
mNEXT
;https://forth-standard.org/standard/core/Rfrom
;C R> -- x R: x -- pop from return stack ; CALL #RFROM performs DOVAR
FORTHWORD "R>"
-RFROM: SUB #2,PSP ; 1
- MOV TOS,0(PSP) ; 3
- MOV @RSP+,TOS ; 2
- mNEXT ; 4
+RFROM SUB #2,PSP ; 1
+ MOV TOS,0(PSP) ; 3
+ MOV @RSP+,TOS ; 2
+ mNEXT ; 4
;https://forth-standard.org/standard/core/RFetch
;C R@ -- x R: x -- x fetch from rtn stk
FORTHWORD "R@"
-RFETCH: SUB #2,PSP
- MOV TOS,0(PSP)
- MOV @RSP,TOS
+RFETCH SUB #2,PSP
+ MOV TOS,0(PSP)
+ MOV @RSP,TOS
mNEXT
;https://forth-standard.org/standard/core/DEPTH
;C DEPTH -- +n number of items on stack, must leave 0 if stack empty
FORTHWORD "DEPTH"
-DEPTH: MOV TOS,-2(PSP)
- MOV #PSTACK,TOS
- SUB PSP,TOS ; PSP-S0--> TOS
- SUB #2,PSP ; post decrement stack...
- RRA TOS ; TOS/2 --> TOS
+DEPTH MOV TOS,-2(PSP)
+ MOV #PSTACK,TOS
+ SUB PSP,TOS ; PSP-S0--> TOS
+ RRA TOS ; TOS/2 --> TOS
+DECPSP SUB #2,PSP ; post decrement stack...
mNEXT
;-------------------------------------------------------------------------------
;https://forth-standard.org/standard/core/Fetch
;C @ a-addr -- x fetch cell from memory
FORTHWORD "@"
-FETCH: MOV @TOS,TOS
+FETCH MOV @TOS,TOS
mNEXT
;https://forth-standard.org/standard/core/Store
;C ! x a-addr -- store cell in memory
FORTHWORD "!"
-STORE: MOV @PSP+,0(TOS) ;4
- MOV @PSP+,TOS ;2
- mNEXT ;4
+STORE MOV @PSP+,0(TOS) ;4
+ MOV @PSP+,TOS ;2
+ mNEXT ;4
;https://forth-standard.org/standard/core/CFetch
;C C@ c-addr -- char fetch char from memory
FORTHWORD "C@"
-CFETCH: MOV.B @TOS,TOS ;2
- mNEXT ;4
+CFETCH MOV.B @TOS,TOS ;2
+ mNEXT ;4
;https://forth-standard.org/standard/core/CStore
;C C! char c-addr -- store char in memory
FORTHWORD "C!"
-CSTORE: MOV.B @PSP+,0(TOS);4
- ADD #1,PSP ;1
- MOV @PSP+,TOS ;2
+CSTORE MOV.B @PSP+,0(TOS) ;4
+ ADD #1,PSP ;1
+ MOV @PSP+,TOS ;2
mNEXT
;-------------------------------------------------------------------------------
;https://forth-standard.org/standard/core/Plus
;C + n1/u1 n2/u2 -- n3/u3 add n1+n2
FORTHWORD "+"
-PLUS: ADD @PSP+,TOS
+PLUS ADD @PSP+,TOS
mNEXT
;https://forth-standard.org/standard/core/Minus
;C - n1/u1 n2/u2 -- n3/u3 n3 = n1-n2
FORTHWORD "-"
-MINUS: SUB @PSP+,TOS ;2 -- n2-n1
-NEGATE: XOR #-1,TOS ;1
-ONEPLUS: ADD #1,TOS ;1 -- n3 = -(n2-n1)
- mNEXT
-
-;https://forth-standard.org/standard/core/AND
-;C AND x1 x2 -- x3 logical AND
- FORTHWORD "AND"
-ANDD: AND @PSP+,TOS
+MINUS SUB @PSP+,TOS ;2 -- n2-n1
+NEGATE XOR #-1,TOS ;1
+ ADD #1,TOS ;1 -- n3 = -(n2-n1) = n1-n2
mNEXT
-;https://forth-standard.org/standard/core/OR
-;C OR x1 x2 -- x3 logical OR
- FORTHWORD "OR"
-ORR: BIS @PSP+,TOS
+;https://forth-standard.org/standard/core/OnePlus
+;C 1+ n1/u1 -- n2/u2 add 1 to TOS
+ FORTHWORD "1+"
+ONEPLUS ADD #1,TOS
mNEXT
-;https://forth-standard.org/standard/core/XOR
-;C XOR x1 x2 -- x3 logical XOR
- FORTHWORD "XOR"
-XORR: XOR @PSP+,TOS
- mNEXT
-
-;https://forth-standard.org/standard/core/NEGATE
-;C NEGATE x1 -- x2 two's complement
- FORTHWORD "NEGATE"
- JMP NEGATE
-
-;https://forth-standard.org/standard/core/ABS
-;C ABS n1 -- +n2 absolute value
- FORTHWORD "ABS"
-ABBS: CMP #0,TOS ; 1
- JN NEGATE
+;https://forth-standard.org/standard/core/OneMinus
+;C 1- n1/u1 -- n2/u2 subtract 1 from TOS
+ FORTHWORD "1-"
+ONEMINUS SUB #1,TOS
mNEXT
;https://forth-standard.org/standard/double/DABS
;C DABS d1 -- |d1| absolute value
FORTHWORD "DABS"
-DABBS: AND #-1,TOS ; clear V, set N
- JGE DABBSEND ; JMP if positive
-DNEGATE: XOR #-1,0(PSP)
- XOR #-1,TOS
- ADD #1,0(PSP)
- ADDC #0,TOS
+DABBS AND #-1,TOS ; clear V, set N
+ JGE DABBSEND ; if positive
+DNEGATE XOR #-1,0(PSP)
+ XOR #-1,TOS
+ ADD #1,0(PSP)
+ ADDC #0,TOS
DABBSEND mNEXT
;-------------------------------------------------------------------------------
;https://forth-standard.org/standard/core/ZeroEqual
;C 0= n/u -- flag return true if TOS=0
FORTHWORD "0="
-ZEROEQUAL: SUB #1,TOS ; borrow (clear cy) if TOS was 0
- SUBC TOS,TOS ; TOS=-1 if borrow was set
+ZEROEQUAL SUB #1,TOS ; borrow (clear cy) if TOS was 0
+ SUBC TOS,TOS ; TOS=-1 if borrow was set
mNEXT
;https://forth-standard.org/standard/core/Zeroless
;C 0< n -- flag true if TOS negative
FORTHWORD "0<"
-ZEROLESS: ADD TOS,TOS ;1 set carry if TOS negative
- SUBC TOS,TOS ;1 TOS=-1 if carry was clear
- XOR #-1,TOS ;1 TOS=-1 if carry was set
+ZEROLESS ADD TOS,TOS ;1 set carry if TOS negative
+ SUBC TOS,TOS ;1 TOS=-1 if carry was clear
+ XOR #-1,TOS ;1 TOS=-1 if carry was set
mNEXT
-;https://forth-standard.org/standard/core/Zeromore
-;C 0> n -- flag true if TOS positive
- FORTHWORD "0>"
-ZEROMORE: CMP #1,TOS
- JGE TOSTRUE
- JMP TOSFALSE
-
;https://forth-standard.org/standard/core/Equal
;C = x1 x2 -- flag test x1=x2
FORTHWORD "="
-EQUAL: SUB @PSP+,TOS ;2
- JNZ TOSFALSE ;2 --> +4
-TOSTRUE MOV #-1,TOS ;1
- mNEXT ;4
+EQUAL SUB @PSP+,TOS ;2
+ JZ TOSTRUE ;2
+TOSFALSE MOV #0,TOS ;1
+ mNEXT ;4
+
+;https://forth-standard.org/standard/core/Uless
+;C U< u1 u2 -- flag test u1<u2, unsigned
+ FORTHWORD "U<"
+ULESS MOV @PSP+,W ;2
+ SUB TOS,W ;1 u1-u2 in W, carry clear if borrow
+ JC TOSFALSE ; unsigned
+TOSTRUE MOV #-1,TOS ;1
+ mNEXT ;4
;https://forth-standard.org/standard/core/less
;C < n1 n2 -- flag test n1<n2, signed
FORTHWORD "<"
-LESS: MOV @PSP+,W ;2 W=n1
- SUB TOS,W ;1 W=n1-n2 flags set
- JL TOSTRUE ;2
-TOSFALSE MOV #0,TOS ;1
- mNEXT ;4
+LESS MOV @PSP+,W ;2 W=n1
+ SUB TOS,W ;1 W=n1-n2 flags set
+ JL TOSTRUE ;2 signed
+ JGE TOSFALSE ;2 --> +5
;https://forth-standard.org/standard/core/more
;C > n1 n2 -- flag test n1>n2, signed
FORTHWORD ">"
-GREATER: SUB @PSP+,TOS ;2 TOS=n2-n1
- JL TOSTRUE ;2
- MOV #0,TOS ;1
- mNEXT ;4
-
-;https://forth-standard.org/standard/core/Uless
-;C U< u1 u2 -- flag test u1<u2, unsigned
- FORTHWORD "U<"
-ULESS: MOV @PSP+,W ;2
- SUB TOS,W ;1 u1-u2 in W, carry clear if borrow
- JNC TOSTRUE ;2
- MOV #0,TOS ;1
- mNEXT ;4
-
-;-------------------------------------------------------------------------------
-; BRANCH and LOOP OPERATORS
-;-------------------------------------------------------------------------------
-
-;Z branch -- branch always
-BRAN: MOV @IP,IP ; 2
- mNEXT ; 4
-
-;Z ?branch x -- branch if TOS = zero
-QBRAN: CMP #0,TOS ; 1 test TOS value
-QBRAN1 MOV @PSP+,TOS ; 2 pop new TOS value (doesn't change flags)
- JZ bran ; 2 if TOS was zero, take the branch = 11 cycles
- ADD #2,IP ; 1 else skip the branch destination
- mNEXT ; 4 ==> branch not taken = 10 cycles
-
-;Z 0?branch x -- branch if TOS <> zero
-QZBRAN: SUB #1,TOS ; 1 borrow (clear cy) if TOS was 0
- SUBC TOS,TOS ; 1 TOS=-1 if borrow was set
- JMP QBRAN1 ; 2
-
-
-;Z (do) n1|u1 n2|u2 -- R: -- sys1 sys2 run-time code for DO
-; n1|u1=limit, n2|u2=index
-xdo: MOV #8000h,X ;2 compute 8000h-limit "fudge factor"
- SUB @PSP+,X ;2
- MOV TOS,Y ;1 loop ctr = index+fudge
- MOV @PSP+,TOS ;2 pop new TOS
- ADD X,Y ;1
- .word 01519h ;4 PUSHM X,Y, i.e. PUSHM LIMIT, INDEX
- mNEXT ;4
-
-;Z (+loop) n -- R: sys1 sys2 -- | sys1 sys2
-; run-time code for +LOOP
-; Add n to the loop index. If loop terminates, clean up the
-; return stack and skip the branch. Else take the inline branch.
-xploop: ADD TOS,0(RSP) ;4 increment INDEX by TOS value
- MOV @PSP+,TOS ;2 get new TOS, doesn't change flags
-xloopnext BIT #100h,SR ;2 is overflow bit set?
- JZ bran ;2 no overflow = loop
- ADD #2,IP ;1 overflow = loop done, skip branch ofs
-UNXLOOP ADD #4,RSP ;1 empty RSP
- mNEXT ;4 16~ taken or not taken xloop/loop
-
-
-;Z (loop) R: sys1 sys2 -- | sys1 sys2
-; run-time code for LOOP
-; Add 1 to the loop index. If loop terminates, clean up the
-; return stack and skip the branch. Else take the inline branch.
-; Note that LOOP terminates when index=8000h.
-xloop: ADD #1,0(RSP) ;4 increment INDEX
- JMP xloopnext ;2
-
-;https://forth-standard.org/standard/core/UNLOOP
-;C UNLOOP -- R: sys1 sys2 -- drop loop parms
- FORTHWORD "UNLOOP"
-UNLOOP: JMP UNXLOOP
-
-;https://forth-standard.org/standard/core/I
-;C I -- n R: sys1 sys2 -- sys1 sys2
-;C get the innermost loop index
- FORTHWORD "I"
-II: SUB #2,PSP ;1 make room in TOS
- MOV TOS,0(PSP) ;3
- MOV @RSP,TOS ;2 index = loopctr - fudge
- SUB 2(RSP),TOS ;3
- mNEXT ;4 13~
-
-;https://forth-standard.org/standard/core/J
-;C J -- n R: 4*sys -- 4*sys
-;C get the second loop index
- FORTHWORD "J"
-JJ: SUB #2,PSP ; make room in TOS
- MOV TOS,0(PSP)
- MOV 4(RSP),TOS ; index = loopctr - fudge
- SUB 6(RSP),TOS
- mNEXT
+GREATER SUB @PSP+,TOS ;2 TOS=n2-n1
+ JL TOSTRUE ;2 signed
+ JGE TOSFALSE ;2 --> +5
;-------------------------------------------------------------------------------
; SYSTEM CONSTANTS
;-------------------------------------------------------------------------------
-;https://forth-standard.org/standard/core/PAD
-; PAD -- pad address
- FORTHWORD "PAD"
-PAD mDOCON
- .WORD PAD_ORG
-
-; CIB -- Current_Input_Buffer_address
- FORTHWORD "CIB"
-FCIB mDOCON
- .WORD TIB_ORG ; constant, modified by open and close (as a VALUE)
-
-; CPL -- input_buffer_lenght (CPL = Chars Per Line)
- FORTHWORD "CPL"
-CPL mDOCON
- .WORD TIB_LEN ; constant
-
;https://forth-standard.org/standard/core/BL
;C BL -- char an ASCII space
FORTHWORD "BL"
-FBLANK: mDOCON
+FBLANK mDOCON
.word 32
;-------------------------------------------------------------------------------
; SYSTEM VARIABLES
;-------------------------------------------------------------------------------
-;https://forth-standard.org/standard/core/toIN
-;C >IN -- a-addr holds offset in input stream
- FORTHWORD ">IN"
-FTOIN: mDOCON
- .word TOIN ; VARIABLE address in RAM space
-
;https://forth-standard.org/standard/core/BASE
;C BASE -- a-addr holds conversion radix
FORTHWORD "BASE"
-FBASE: mDOCON
+FBASE mDOCON
.word BASE ; VARIABLE address in RAM space
;https://forth-standard.org/standard/core/STATE
;C STATE -- a-addr holds compiler state
FORTHWORD "STATE"
-FSTATE: mDOCON
+FSTATE mDOCON
.word STATE ; VARIABLE address in RAM space
;-------------------------------------------------------------------------------
; ANS complement OPTION
;-------------------------------------------------------------------------------
- .IFDEF ANS_CORE_COMPLIANT
- .include "ADDON\ANS_COMPLEMENT.asm"
- .ELSEIF
-
-;-------------------------------------------------------------------------------
-; ALIGNMENT OPERATORS OPTION
-;-------------------------------------------------------------------------------
- .IFDEF ALIGNMENT ; included in ANS_COMPLEMENT
- .include "ADDON\ALIGNMENT.asm"
- .ENDIF ; ALIGNMENT
-
-;-------------------------------------------------------------------------------
-; PORTABILITY OPERATORS OPTION
-;-------------------------------------------------------------------------------
- .IFDEF PORTABILITY
- .include "ADDON\PORTABILITY.asm"
- .ENDIF ; PORTABILITY
-
-;-------------------------------------------------------------------------------
-; DOUBLE OPERATORS OPTION
-;-------------------------------------------------------------------------------
- .IFDEF DOUBLE ; included in ANS_COMPLEMENT
- .include "ADDON\DOUBLE.asm"
- .ENDIF ; DOUBLE
-
+ .IFDEF ANS_CORE_COMPLEMENT
+ .include "ADDON/ANS_COMPLEMENT.asm"
.ENDIF ; ANS_COMPLEMENT
;-------------------------------------------------------------------------------
-; ARITHMETIC OPERATORS OPTION
-;-------------------------------------------------------------------------------
- .IFDEF ARITHMETIC ; included in ANS_COMPLEMENT
- .include "ADDON\ARITHMETIC.asm"
- .ENDIF ; ARITHMETIC
-
-;-------------------------------------------------------------------------------
; NUMERIC OUTPUT
;-------------------------------------------------------------------------------
;https://forth-standard.org/standard/core/num-start
;C <# -- begin numeric conversion (initialize Hold Pointer)
FORTHWORD "<#"
-LESSNUM: MOV #BASE_HOLD,&HP
+LESSNUM MOV #BASE_HOLD,&HP
mNEXT
-; unsigned 32-BIT DIVIDEND : 16-BIT DIVISOR --> 32-BIT QUOTIENT, 16-BIT REMAINDER
+;https://forth-standard.org/standard/core/UMDivMOD
+; UM/MOD udlo|udhi u1 -- r q unsigned 32/16->r16 q16
+ FORTHWORD "UM/MOD"
+UMSLASHMOD PUSH #DROP ;3 as return address for MU/MOD
+
+; unsigned 32-BIT DiViDend : 16-BIT DIVisor --> 32-BIT QUOTient, 16-BIT REMainder
; 2 times faster if DVDhi = 0 (it's the general case)
; reg division MU/MOD NUM
; Y = QUOThi = ud2hi = ud2hi
; rDODOES = count
-; MU/MOD DVDlo DVDhi DIVlo -- REMlo QUOTlo QUOThi
-; FORTHWORD "MU/MOD"
- ASMWORD "MU/MOD" ; for ANS_COMP use
-MUSMOD MOV TOS,T ;1 T = DIVlo
- MOV @PSP,TOS ;2 TOS = DVDhi
- MOV 2(PSP),S ;3 S = DVDlo
-MUSMOD1 MOV #0,W ;1 W = REMlo = 0
-MUSMOD2 MOV #32,rDODOES ;2 init loop count
- CMP #0,TOS ;1 DVDhi=0 ?
- JNZ MDIV1 ;2 no
- RRA rDODOES ;1 yes:loop count / 2
- MOV S,TOS ;1 DVDhi <-- DVDlo
- MOV #0,S ;1 DVDlo <-- 0
- MOV #0,X ;1 QUOTlo <-- 0 (to do QUOThi = 0 at the end of division)
-MDIV1 CMP T,W ;1 REMlo U>= DIVlo ?
- JNC MDIV2 ;2 no : carry is reset
- SUB T,W ;1 yes: REMlo - DIVlo ; carry is set after soustraction!
-MDIV2 ADDC X,X ;1 RLC quotLO
- ADDC Y,Y ;1 RLC quotHI
- SUB #1,rDODOES ;1 Decrement loop counter
- JN ENDMDIV ;2
- ADD S,S ;1 RLA DVDlo
- ADDC TOS,TOS ;1 RLC DVDhi
- ADDC W,W ;1 RLC REMlo
- JNC MDIV1 ;2
- SUB T,W ;1 REMlo - DIVlo
- BIS #1,SR ;1 SETC
- JMP MDIV2 ;2
+; MU/MOD DVDlo DVDhi DIVlo -- REMlo QUOTlo QUOThi, also used by fixpoint and #
+MUSMOD MOV TOS,T ;1 T = DIV
+ MOV 2(PSP),S ;3 S = DVDlo
+ MOV @PSP,TOS ;2 TOS = DVDhi
+MUSMOD1 MOV #0,W ;1 W = REMlo = 0
+MUSMOD2 MOV #32,rDODOES ;2 init loop count
+; -----------------------------------------
+ CMP #0,TOS ;1 DVDhi=0 ?
+ JNZ MDIV1 ;2 no
+ RRA rDODOES ;1 yes:loop count / 2
+ MOV S,TOS ;1 DVDhi <-- DVDlo
+ MOV #0,S ;1 DVDlo <-- 0
+ MOV #0,X ;1 QUOTlo <-- 0 (to do QUOThi = 0 at the end of division)
+; -----------------------------------------
+MDIV1 CMP T,W ;1 REMlo U>= DIV ?
+ JNC MDIV2 ;2 no : carry is reset
+ SUB T,W ;1 yes: REMlo - DIV ; carry is set after soustraction!
+MDIV2 ADDC X,X ;1 RLC quotLO
+ ADDC Y,Y ;1 RLC quotHI
+ SUB #1,rDODOES ;1 Decrement loop counter
+ JN ENDMDIV ;2
+ ADD S,S ;1 RLA DVDlo
+ ADDC TOS,TOS ;1 RLC DVDhi
+ ADDC W,W ;1 RLC REMlo
+ JNC MDIV1 ;2
+ SUB T,W ;1 REMlo - DIV
+ BIS #1,SR ;1 SETC
+ JMP MDIV2 ;2
ENDMDIV MOV #xdodoes,rDODOES;2 restore rDODOES
- MOV W,2(PSP) ;3 REMlo in 2(PSP)
- MOV X,0(PSP) ;3 QUOTlo in 0(PSP)
- MOV Y,TOS ;1 QUOThi in TOS
- RET ;4 35 words, about 252/473 cycles, not FORTH executable !
+ MOV W,2(PSP) ;3 REMlo in 2(PSP)
+ MOV X,0(PSP) ;3 QUOTlo in 0(PSP)
+ MOV Y,TOS ;1 QUOThi in TOS
+ RET ;4 35 words, about 473 cycles, not FORTH executable !
;https://forth-standard.org/standard/core/num
;C # ud1lo ud1hi -- ud2lo ud2hi convert 1 digit of output
FORTHWORD "#"
-NUM MOV &BASE,T ;3 T = Divisor
-NUM1 MOV @PSP,S ;2 -- DVDlo DVDhi S = DVDlo
- SUB #2,PSP ;1 -- DVDlo x DVDhi TOS = DVDhi
- CALL #MUSMOD1 ;4 -- REMlo QUOTlo QUOThi
- MOV @PSP+,0(PSP);4 -- QUOTlo QUOThi
-TODIGIT CMP.B #10,W ;2 W = REMlo
- JLO TODIGIT1 ;2 U<
- ADD #7,W ;2
-TODIGIT1 ADD #30h,W ;2
-HOLDW SUB #1,&HP ;3 store W=char --> -[HP]
- MOV &HP,Y ;3
- MOV.B W,0(Y) ;3
+NUM MOV &BASE,T ;3 T = Divisor
+NUM1 MOV @PSP,S ;2 -- DVDlo DVDhi S = DVDlo
+ SUB #2,PSP ;1 -- DVDlo x DVDhi TOS = DVDhi
+ CALL #MUSMOD1 ;4 -- REMlo QUOTlo QUOThi
+ MOV @PSP+,0(PSP) ;4 -- QUOTlo QUOThi
+TODIGIT CMP.B #10,W ;2 W = REMlo
+ JLO TODIGIT1 ;2 U<
+ ADD #7,W ;2
+TODIGIT1 ADD #30h,W ;2
+HOLDW SUB #1,&HP ;3 store W=char --> -[HP]
+ MOV &HP,Y ;3
+ MOV.B W,0(Y) ;3
mNEXT ;4 26 words
;https://forth-standard.org/standard/core/numS
;C #S udlo:udhi -- udlo:udhi=0 convert remaining digits
FORTHWORD "#S"
-NUMS: mDOCOL
+NUMS mDOCOL
.word NUM ; X=QUOTlo
FORTHtoASM ;
- SUB #2,IP ;1 restore NUM return
- CMP #0,X ;1 test ud2lo first (generally true)
- JNZ NUM1 ;2
- CMP #0,TOS ;1 then test ud2hi (generally false)
- JNZ NUM1 ;2
- MOV @RSP+,IP ;2
- mNEXT ;4 10 words, about 241/417 cycles/char
+ SUB #2,IP ;1 restore NUM return
+ CMP #0,X ;1 test ud2lo first (generally false)
+ JNZ NUM1 ;2
+ CMP #0,TOS ;1 then test ud2hi (generally true)
+ JNZ NUM1 ;2
+ mSEMI ;6 10 words, about 241/417 cycles/char
;https://forth-standard.org/standard/core/num-end
-;C #> udlo:udhi=0 -- c-addr u end conversion, get string
+;C #> udlo:udhi -- c-addr u end conversion, get string
FORTHWORD "#>"
-NUMGREATER: MOV &HP,0(PSP)
- MOV #BASE_HOLD,TOS
- SUB @PSP,TOS
+NUMGREATER MOV &HP,0(PSP)
+ MOV #BASE_HOLD,TOS
+ SUB @PSP,TOS
mNEXT
;https://forth-standard.org/standard/core/HOLD
;C HOLD char -- add char to output string
FORTHWORD "HOLD"
-HOLD: MOV TOS,W ;1
- MOV @PSP+,TOS ;2
- JMP HOLDW ;15
+HOLD MOV TOS,W ;1
+ MOV @PSP+,TOS ;2
+ JMP HOLDW ;15
;https://forth-standard.org/standard/core/SIGN
;C SIGN n -- add minus sign if n<0
FORTHWORD "SIGN"
-SIGN: CMP #0,TOS
- MOV @PSP+,TOS
- MOV #'-',W
- JN HOLDW ; 0<
+SIGN CMP #0,TOS
+ MOV @PSP+,TOS
+ MOV #'-',W
+ JN HOLDW ; 0<
mNEXT
-;https://forth-standard.org/standard/core/Ud
-;C U. u -- display u (unsigned)
- FORTHWORD "U."
-UDOT: mDOCOL
- .word LESSNUM,lit,0,NUMS,NUMGREATER,TYPE,SPACE,EXIT
-
;https://forth-standard.org/standard/double/Dd
;C D. dlo dhi -- display d (signed)
FORTHWORD "D."
-DDOT: mDOCOL
+DDOT mDOCOL
.word LESSNUM,SWAP,OVER,DABBS,NUMS
.word ROT,SIGN,NUMGREATER,TYPE,SPACE,EXIT
+;https://forth-standard.org/standard/core/Ud
+;C U. u -- display u (unsigned)
+ FORTHWORD "U."
+UDOT MOV #0,Y
+UDOT1 SUB #2,PSP
+ MOV TOS,0(PSP)
+ MOV Y,TOS
+ JMP DDOT
+
;https://forth-standard.org/standard/core/d
;C . n -- display n (signed)
FORTHWORD "."
-DOT: CMP #0,TOS
+DOT CMP #0,TOS
JGE UDOT
- SUB #2,PSP
- MOV TOS,0(PSP)
- MOV #-1,TOS ; extend sign
- JMP DDOT
+ MOV #-1,Y
+ JMP UDOT1
;-------------------------------------------------------------------------------
; DICTIONARY MANAGEMENT
;-------------------------------------------------------------------------------
;https://forth-standard.org/standard/core/HERE
-;C HERE -- addr returns dictionary ptr
+;C HERE -- addr returns memory ptr
FORTHWORD "HERE"
-HERE: SUB #2,PSP
- MOV TOS,0(PSP)
- MOV &DDP,TOS
+HERE SUB #2,PSP
+ MOV TOS,0(PSP)
+ MOV &DDP,TOS
mNEXT
;https://forth-standard.org/standard/core/ALLOT
-;C ALLOT n -- allocate n bytes in dict
+;C ALLOT n -- allocate n bytes
FORTHWORD "ALLOT"
-ALLOT: ADD TOS,&DDP
- MOV @PSP+,TOS
+ALLOT ADD TOS,&DDP
+ MOV @PSP+,TOS
mNEXT
;https://forth-standard.org/standard/core/CComma
-;C C, char -- append char to dict
+;C C, char -- append char
FORTHWORD "C,"
-CCOMMA: MOV &DDP,W
- MOV.B TOS,0(W)
- ADD #1,&DDP
- MOV @PSP+,TOS
- mNEXT
-
-; ------------------------------------------------------------------------------
-; TERMINAL I/O, input part
-; ------------------------------------------------------------------------------
-
-;Z (KEY) -- c get character from the terminal
- FORTHWORD "(KEY)"
-PARENKEY MOV &TERMRXBUF,Y ; empty buffer
- SUB #2,PSP ; 1 push old TOS..
- MOV TOS,0(PSP) ; 4 ..onto stack
- CALL #RXON
-KEYLOOP BIT #UCRXIFG,&TERMIFG ; loop if bit0 = 0 in interupt flag register
- JZ KEYLOOP ;
- MOV &TERMRXBUF,TOS ;
- CALL #RXOFF ;
+CCOMMA MOV &DDP,W
+ MOV.B TOS,0(W)
+ ADD #1,&DDP
+ MOV @PSP+,TOS
mNEXT
-;https://forth-standard.org/standard/core/KEY
-;C KEY -- c wait character from input device ; deferred word
- FORTHWORD "KEY"
-KEY MOV #PARENKEY,PC
-
;-------------------------------------------------------------------------------
-; INTERPRETER INPUT, the kernel of kernel !
+; BRANCH and LOOP OPERATORS
;-------------------------------------------------------------------------------
- .IFDEF SD_CARD_LOADER
- .include "forthMSP430FR_SD_ACCEPT.asm" ; that creates SD_ACCEPT
-
- .ELSE
+;Z branch -- branch always
+BRAN MOV @IP,IP ; 2
+ mNEXT ; 4
-;https://forth-standard.org/standard/core/ACCEPT
-;C ACCEPT addr addr len -- addr' len' get line at addr to interpret len' chars
- FORTHWORD "ACCEPT"
-ACCEPT
+;Z ?branch x -- branch if TOS = zero
+QBRAN CMP #0,TOS ; 1 test TOS value
+QBRAN1 MOV @PSP+,TOS ; 2 pop new TOS value (doesn't change flags)
+ JZ bran ; 2 if TOS was zero, take the branch = 11 cycles
+ ADD #2,IP ; 1 else skip the branch destination
+ mNEXT ; 4 ==> branch not taken = 10 cycles
- .ENDIF ; SD_CARD_LOADER
+;Z 0?branch x -- branch if TOS <> zero
+QZBRAN SUB #1,TOS ; 1 borrow (clear cy) if TOS was 0
+ SUBC TOS,TOS ; 1 TOS=-1 if borrow was set
+ JMP QBRAN1 ; 2
-; =========================================================================================================
-; =========================================================================================================
- .IFDEF HALFDUPLEX ; to use FAST FORTH with half duplex input terminal (bluetooth or wifi connexion)
-; =========================================================================================================
-; =========================================================================================================
-; con speed of TERMINAL link, there are three bottlenecks :
-; 1- time to send XOFF/RTS_high on CR (CR+LF=EOL), first emergency.
-; 2- the char loop time,
-; 3- the time between sending XON/RTS_low and clearing UCRXIFG on first received char,
-; everything must be done to reduce these times, taking into account the necessity of switching to SLEEP (LPMx mode).
-; --------------------------------------;
-; (ACCEPT) part I: prepare TERMINAL_INT ; -- addr len
-; --------------------------------------;
- MOV #ENDACCEPT,S ;2 S = ACCEPT XOFF return
- MOV #AKEYREAD1,T ;2 T = default XON return
- .word 152Dh ;5 PUSHM IP,S,T, as IP ret, XOFF ret, XON ret
- MOV TOS,W ;1 -- addr len
- MOV @PSP,TOS ;2 -- org ptr )
- ADD TOS,W ;1 -- org ptr W=Bound )
- MOV #0Dh,T ;2 T = 'CR' to speed up char loop in part II > prepare stack and registers
- MOV #20h,S ;2 S = 'BL' to speed up char loop in part II ) for TERMINAL_INT use
- BIT #UCRXIFG,&TERMIFG ;3 RX_Int ?
- JZ ACCEPTNEXT ;2 no : case of quiet input terminal
- MOV &TERMRXBUF,Y ;3 yes: clear RX_Int
- CMP #0Ah,Y ;2 received char = LF ? (end of downloading ?)
- JNZ RXON ;2 no : RXON return = AKEYREAD1, to process first char of new line.
-ACCEPTNEXT ADD #2,RSP ;1 yes: remove AKEYREAD1 as XON return,
- MOV #SLEEP,X ;2 and set XON return = SLEEP
- .word 153Ch ;6 PUSHM S,T,W,X before SLEEP (and so WAKE on any interrupts)
-; --------------------------------------;
-RXON ;
-; --------------------------------------;
- .IFDEF TERMINAL3WIRES ;
-RXON_LOOP BIT #UCTXIFG,&TERMIFG ;3 wait the sending end of XON, useless at high baudrates
- JZ RXON_LOOP ;2
- MOV #17,&TERMTXBUF ;4 move char XON into TX_buf
- .ENDIF ;
- .IFDEF TERMINAL4WIRES ;
- BIC.B #RTS,&HANDSHAKOUT ;4 set RTS low
- .ENDIF ;
-; vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv;
-; starts first and 3th stopwatches ;
-; ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^;
- RET ;4 to SLEEP (End of file download or quiet input) or AKEYREAD1 (get next line of file downloading)
-; --------------------------------------;
-
-; --------------------------------------;
-RXOFF ;
-; --------------------------------------;
- .IFDEF TERMINAL3WIRES ;
-RXOFF_LOOP BIT #UCTXIFG,&TERMIFG ;3 wait the sending end of XOFF, useless at high baudrates
- JZ RXOFF_LOOP ;2
- MOV #19,&TERMTXBUF ;4 move XOFF char into TX_buf
- .ENDIF ;
- .IFDEF TERMINAL4WIRES ;
- BIS.B #RTS,&HANDSHAKOUT ;4 set RTS high
- .ENDIF ;
- RET ;4 to ENDACCEPT
-; --------------------------------------;
-
-; --------------------------------------;
- ASMWORD "SLEEP" ; may be redirected
-SLEEP: ;
- MOV #PARENSLEEP,PC ;3
-; --------------------------------------;
-
-; --------------------------------------;
- ASMWORD "(SLEEP)" ;
-PARENSLEEP: ;
- BIS &LPM_MODE,SR ;3 enter in LPMx sleep mode with GIE=1
-; --------------------------------------; default FAST FORTH mode (for its input terminal use) : LPM0.
+;Z (do) n1|u1 n2|u2 -- R: -- sys1 sys2 run-time code for DO
+; n1|u1=limit, n2|u2=index
+xdo MOV #8000h,X ;2 compute 8000h-limit "fudge factor"
+ SUB @PSP+,X ;2
+ MOV TOS,Y ;1 loop ctr = index+fudge
+ MOV @PSP+,TOS ;2 pop new TOS
+ ADD X,Y ;1
+ PUSHM #2,X ;4 PUSHM X,Y, i.e. PUSHM LIMIT, INDEX
+ mNEXT ;4
-;###############################################################################################################
-;###############################################################################################################
-
-; ### # # ####### ####### ###### ###### # # ###### ####### ##### # # ####### ###### #######
-; # ## # # # # # # # # # # # # # # # # # # # #
-; # # # # # # # # # # # # # # # # # # # # # #
-; # # # # # ##### ###### ###### # # ###### # ##### ####### ##### ###### #####
-; # # # # # # # # # # # # # # # # # # # # #
-; # # ## # # # # # # # # # # # # # # # # # #
-; ### # # # ####### # # # # ##### # # ##### # # ####### # # #######
+;Z (+loop) n -- R: sys1 sys2 -- | sys1 sys2
+; run-time code for +LOOP
+; Add n to the loop index. If loop terminates, clean up the
+; return stack and skip the branch. Else take the inline branch.
+xploop ADD TOS,0(RSP) ;4 increment INDEX by TOS value
+ MOV @PSP+,TOS ;2 get new TOS, doesn't change flags
+xloopnext BIT #100h,SR ;2 is overflow bit set?
+ JZ bran ;2 no overflow = loop
+ ADD #2,IP ;1 overflow = loop done, skip branch ofs
+UNXLOOP ADD #4,RSP ;1 empty RSP
+ mNEXT ;4 16~ taken or not taken xloop/loop
-;###############################################################################################################
-;###############################################################################################################
+;Z (loop) R: sys1 sys2 -- | sys1 sys2
+; run-time code for LOOP
+; Add 1 to the loop index. If loop terminates, clean up the
+; return stack and skip the branch. Else take the inline branch.
+; Note that LOOP terminates when index=8000h.
+xloop ADD #1,0(RSP) ;4 increment INDEX
+ JMP xloopnext ;2
-; here, Fast FORTH sleeps, waiting any interrupt.
-; IP,S,T,W,X,Y registers (R13 to R8) are free for any interrupt routine...
-; ...and so PSP and RSP stacks with their rules of use.
-; remember: in any interrupt routine you must include : BIC #0x78,0(RSP) before RETI
-; to force return to SLEEP.
-; or (bad idea ? previous SR flags are lost) simply : ADD #2 RSP, then RET instead of RETI
+;https://forth-standard.org/standard/core/UNLOOP
+;C UNLOOP -- R: sys1 sys2 -- drop loop parms
+ FORTHWORD "UNLOOP"
+UNLOOP JMP UNXLOOP
+;https://forth-standard.org/standard/core/I
+;C I -- n R: sys1 sys2 -- sys1 sys2
+;C get the innermost loop index
+ FORTHWORD "I"
+II SUB #2,PSP ;1 make room in TOS
+ MOV TOS,0(PSP) ;3
+ MOV @RSP,TOS ;2 index = loopctr - fudge
+ SUB 2(RSP),TOS ;3
+ mNEXT ;4 13~
-; ======================================;
- JMP SLEEP ;2 here is the return for any interrupts, else TERMINAL_INT :-)
-; ======================================;
-
-
-; **************************************;
-TERMINAL_INT: ; <--- TEMR RX interrupt vector, delayed by the LPMx wake up time
-; **************************************; if wake up time increases, max bauds rate decreases...
-; (ACCEPT) part II under interrupt ; Org Ptr -- len'
-; --------------------------------------;
- ADD #4,RSP ;1 remove SR and PC from stack, SR flags are lost (unused by FORTH interpreter)
- .word 172Ah ;5 POPM W=buffer_bound,T=0Dh,S=20h
-; vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv;
-; starts the 2th stopwatch ;
-; ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^;
-AKEYREAD MOV.B &TERMRXBUF,Y ;3 read character into Y, UCRXIFG is cleared
-; vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv;
-; stops the 3th stopwatch ; 3th bottleneck result : 17~ + LPMx wake_up time ( + 5~ XON loop if F/Bds<230401 )
-; ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^;
-AKEYREAD1 ; <--- XON RET address 2 ; first emergency: anticipate XOFF on CR as soon as possible
- CMP.B T,Y ;1 char = CR ?
- JZ RXOFF ;2 then RET to ENDACCEPT
-; vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv;+ 4 to send RXOFF
-; stops the first stopwatch ;= first bottleneck (empty line process), best case result: 20~ + LPMx wake_up time..
-; ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^; ...or 11~ in case of empty line
- CMP.B S,Y ;1 printable char ?
- JHS ASTORETEST ;2 yes
- CMP.B #8,Y ; char = BS ?
- JNE WAITaKEY ; case of other control chars
-; --------------------------------------;
-; start of backspace ; made only by an human
-; --------------------------------------;
- MOV #AYEMIT_RET,IP ;2 IP = return for YEMIT
- MOV #32,Y ; to send a space first
- CMP @PSP,TOS ; Ptr = Org ?
- JZ YEMIT1 ; yes: do nothing else
- SUB #1,TOS ; no : dec Ptr
- JMP WAITaKEY
-AYEMIT_RET FORTHtoASM ; 0 YEMII NEXT address
- JMP WAITaKEY
-; --------------------------------------;
-; end of backspace ;
-; --------------------------------------;
-ASTORETEST CMP W,TOS ; 1 Bound is reached ?
- JZ WAITaKEY ; 2 yes: send echo then loopback
- MOV.B Y,0(TOS) ; 3 no: store char @ Ptr, send echo then loopback
- ADD #1,TOS ; 1 increment Ptr
-; --------------------------------------;
-WAITaKEY BIT #UCRXIFG,&TERMIFG ; 3 new char in TERMRXBUF ?
- JNZ AKEYREAD ; 2 yes
- JZ WAITaKEY ; 2 no
-; vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv;
-; stops the 2th stopwatch ; best case result: 23~ ==> 434 kBds/MHz
-; ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^;
-; --------------------------------------;
-ENDACCEPT ; <--- XOFF return address
-; --------------------------------------;
- MOV #LPM0+GIE,&LPM_MODE ; reset LPM_MODE to default mode LPM0 for next line of input stream
-DROPEXIT SUB @PSP+,TOS ; Org Ptr -- len'
- MOV @RSP+,IP ; 2 and continue with INTERPRET with GIE=0.
- ; So FORTH machine is protected against any interrupt...
- mNEXT ; ...until next falling down to LPMx mode of (ACCEPT) part1,
-; **************************************; i.e. when the FORTH interpreter has no more to do.
+;https://forth-standard.org/standard/core/J
+;C J -- n R: 4*sys -- 4*sys
+;C get the second loop index
+ FORTHWORD "J"
+JJ SUB #2,PSP ; make room in TOS
+ MOV TOS,0(PSP)
+ MOV 4(RSP),TOS ; index = loopctr - fudge
+ SUB 6(RSP),TOS
+ mNEXT
; ------------------------------------------------------------------------------
-; TERMINAL I/O, output part
+; TERMINAL I/O, input part
; ------------------------------------------------------------------------------
+;https://forth-standard.org/standard/core/KEY
+;C KEY -- c wait character from input device ; primary DEFERred word
+ FORTHWORD "KEY"
+KEY MOV @PC+,PC ;3 Code Field Address (CFA) of KEY
+PFAKEY .word BODYKEY ; Parameter Field Address (PFA) of KEY, with default value
+BODYKEY MOV &TERM_RXBUF,Y ; empty buffer
+ SUB #2,PSP ; 1 push old TOS..
+ MOV TOS,0(PSP) ; 3 ..onto stack
+ CALL #RXON
+KEYLOOP BIT #UCRXIFG,&TERM_IFG ; loop if bit0 = 0 in interupt flag register
+ JZ KEYLOOP ;
+ MOV &TERM_RXBUF,TOS ;
+ CALL #RXOFF ;
+ mNEXT
-;Z (EMIT) c -- output character (byte) to the terminal
-; hardware or software control on TX flow seems not necessary with UARTtoUSB bridges because
-; they stop TX when their RX buffer is full. So no problem when the terminal input is echoed to output.
- FORTHWORD "(EMIT)"
-PARENEMIT: MOV TOS,Y ; 1
- MOV @PSP+,TOS ; 2
-YEMIT1 BIT #UCTXIFG,&TERMIFG ; 3 wait the sending end of previous char, useless at high baudrates
- JZ YEMIT1 ; 2
- .IFDEF TERMINAL5WIRES ;
-YEMIT2 BIT.B #CTS,&HANDSHAKIN ;
- JNZ YEMIT2
+;-------------------------------------------------------------------------------
+; INTERPRETER INPUT, the kernel of kernel !
+;-------------------------------------------------------------------------------
+
+ .IFDEF SD_CARD_LOADER
+ .include "forthMSP430FR_SD_ACCEPT.asm"
.ENDIF
-YEMIT .word 4882h ; hi7/4~ lo:12/4~ send/send_not echo to terminal
- .word TERMTXBUF ; 3 MOV Y,&TERMTXBUF
- mNEXT ; 4
-; =========================================================================================================
-; =========================================================================================================
+ .IFDEF DEFER_ACCEPT
+
+;https://forth-standard.org/standard/core/ACCEPT
+;C ACCEPT addr addr len -- addr len' get line at addr to interpret len' chars
+ FORTHWORD "ACCEPT"
+ACCEPT MOV @PC+,PC ;3 Code Field Address (CFA) of ACCEPT
+PFAACCEPT .word BODYACCEPT ; Parameter Field Address (PFA) of ACCEPT
+BODYACCEPT ; BODY of ACCEPT = default execution of ACCEPT
+
+ .ELSE
+
+;https://forth-standard.org/standard/core/ACCEPT
+;C ACCEPT addr addr len -- addr len' get line at addr to interpret len' chars
+ FORTHWORD "ACCEPT"
+ACCEPT
+
+ .ENDIF
+
+ .IFDEF HALFDUPLEX ; to use FAST FORTH with half duplex input terminal (bluetooth or wifi connexion)
+
+ .include "forthMSP430FR_HALFDUPLEX.asm"
+
.ELSE ; to use FAST FORTH with full duplex terminal (USBtoUART bridge)
-; =========================================================================================================
-; =========================================================================================================
; con speed of TERMINAL link, there are three bottlenecks :
; 1- time to send XOFF/RTS_high on CR (CR+LF=EOL), first emergency.
; 2- the char loop time,
; 3- the time between sending XON/RTS_low and clearing UCRXIFG on first received char,
; everything must be done to reduce these times, taking into account the necessity of switching to SLEEP (LPMx mode).
-; --------------------------------------;
-; (ACCEPT) part I: prepare TERMINAL_INT ;
-; --------------------------------------;
- MOV #ENDACCEPT,S ;2 S = ACCEPT XOFF return
- MOV #AKEYREAD1,T ;2 T = default XON return
- .word 152Dh ;5 PUSHM IP,S,T, as IP ret, XOFF ret, XON ret
- MOV TOS,W ;1 -- addr len
- MOV @PSP,TOS ;2 -- org ptr )
- ADD TOS,W ;1 -- org ptr W=Bound )
- MOV #0Dh,T ;2 T = 'CR' to speed up char loop in part II > prepare stack and registers
- MOV #20h,S ;2 S = 'BL' to speed up char loop in part II ) for TERMINAL_INT use
- MOV #AYEMIT_RET,IP ;2 IP = return for YEMIT )
- BIT #UCRXIFG,&TERMIFG ;3 RX_Int ?
- JZ ACCEPTNEXT ;2 no : case of quiet input terminal
- MOV &TERMRXBUF,Y ;3 yes: clear RX_Int
- CMP #0Ah,Y ;2 received char = LF ? (end of downloading ?)
- JNZ RXON ;2 no : RXON return = AKEYREAD1, to process first char of new line.
-ACCEPTNEXT ADD #2,RSP ;1 yes: remove AKEYREAD1 as XON return,
- MOV #SLEEP,X ;2 and set XON return = SLEEP
- .word 154Dh ;7 PUSHM IP,S,T,W,X before SLEEP (and so WAKE on any interrupts)
-; --------------------------------------;
-RXON ;
-; --------------------------------------;
- .IFDEF TERMINAL3WIRES ;
-RXON_LOOP BIT #UCTXIFG,&TERMIFG ;3 wait the sending end of XON, useless at high baudrates
- JZ RXON_LOOP ;2
- MOV #17,&TERMTXBUF ;4 move char XON into TX_buf
- .ENDIF ;
- .IFDEF TERMINAL4WIRES ;
- BIC.B #RTS,&HANDSHAKOUT ;4 set RTS low
- .ENDIF ;
-; vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv;
-; starts first and 3th stopwatches ;
-; ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^;
- RET ;4 to BACKGND (End of file download or quiet input) or AKEYREAD1 (get next line of file downloading)
-; --------------------------------------; ...or user defined
-
-
-; --------------------------------------;
-RXOFF ;
-; --------------------------------------;
- .IFDEF TERMINAL3WIRES ;
-RXOFF_LOOP BIT #UCTXIFG,&TERMIFG ;3 wait the sending end of XOFF, useless at high baudrates
- JZ RXOFF_LOOP ;2
- MOV #19,&TERMTXBUF ;4 move XOFF char into TX_buf
- .ENDIF ;
- .IFDEF TERMINAL4WIRES ;
- BIS.B #RTS,&HANDSHAKOUT ;4 set RTS high
- .ENDIF ;
- RET ;4 to ENDACCEPT, ...or user defined
-; --------------------------------------;
-
-
-; --------------------------------------;
- ASMWORD "SLEEP" ; may be redirected
-SLEEP: ;
- MOV #PARENSLEEP,PC ;3
-; --------------------------------------;
-
-; --------------------------------------;
- ASMWORD "(SLEEP)" ;
-PARENSLEEP: ;
- BIS &LPM_MODE,SR ;3 enter in LPMx sleep mode with GIE=1
-; --------------------------------------; default FAST FORTH mode (for its input terminal use) : LPM0.
+; ----------------------------------;
+; ACCEPT part I prepare TERMINAL_INT;
+; ----------------------------------;
+ .IFDEF TOTAL
+ PUSHM #4,R7 ;6 push R7,R6,R5,R4
+ .ENDIF ;
+ MOV #ENDACCEPT,S ;2 S = XOFF_ret
+ MOV #AKEYREAD1,T ;2 T = XON_ret
+ PUSHM #3,IP ;5 PUSHM IP,S,T r-- ACCEPT_ret XOFF_ret XON_ret
+ MOV TOS,W ;1 -- addr len
+ MOV @PSP,TOS ;2 -- org ptr )
+ ADD TOS,W ;1 -- org ptr W=Bound )
+ MOV #0Dh,T ;2 T = 'CR' to speed up char loop in part II > prepare stack and registers for TERMINAL_INT use
+ MOV #20h,S ;2 S = 'BL' to speed up char loop in part II )
+ MOV #AYEMIT_RET,IP ;2 IP = return for YEMIT )
+ BIT #UCRXIFG,&TERM_IFG ;3 RX_Int ?
+ JZ ACCEPTNEXT ;2 no : case of quiet input terminal
+ MOV &TERM_RXBUF,Y ;3 yes: clear RX_Int
+ CMP #0Ah,Y ;2 received char = LF ? (end of downloading ?)
+ JNZ RXON ;2 no : send XON then RET to AKEYREAD1 to process first char of new line.
+ACCEPTNEXT ADD #2,RSP ;1 replace XON_ret = AKEYREAD1 by XON_ret = SLEEP
+ MOV #SLEEP,X ;2
+ PUSHM #5,IP ;7 r-- ACCEPT_ret XOFF_ret YEMIT_ret 'BL' 'CR' bound XON_ret
+; ----------------------------------;
+
+; ----------------------------------;
+RXON ;
+; ----------------------------------;
+ .IFDEF TERMINAL3WIRES ;
+RXON_LOOP BIT #UCTXIFG,&TERM_IFG ;3 wait the sending of last char, useless at high baudrates
+ JZ RXON_LOOP ;2
+ MOV #17,&TERM_TXBUF ;4 move char XON into TX_buf
+ .ENDIF ;
+ .IFDEF TERMINAL4WIRES ;
+ BIC.B #RTS,&HANDSHAKOUT ;4 set RTS low
+ .ENDIF ;
+; vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv;
+; starts first and 3th stopwatches ;
+; ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^;
+ RET ;4 to BACKGND (End of file download or quiet input) or AKEYREAD1 (get next line of file downloading)
+; ----------------------------------; ...or user defined
+
+; ----------------------------------;
+RXOFF ;
+; ----------------------------------;
+ .IFDEF TERMINAL3WIRES ;
+ MOV #19,&TERM_TXBUF ;4 move XOFF char into TX_buf
+ .ENDIF ;
+ .IFDEF TERMINAL4WIRES ;
+ BIS.B #RTS,&HANDSHAKOUT ;4 set RTS high
+ .ENDIF ;
+ RET ;4 to ENDACCEPT, ...or user defined
+; ----------------------------------;
+
+; ----------------------------------;
+ ASMWORD "SLEEP" ; may be redirected
+SLEEP MOV @PC+,PC ;3 Code Field Address (CFA) of SLEEP
+PFASLEEP .word BODYSLEEP ; Parameter Field Address (PFA) of SLEEP, with default value
+BODYSLEEP
+ BIS &LPM_MODE,SR ;3 enter in LPMx sleep mode with GIE=1
+; ----------------------------------; default FAST FORTH mode (for its input terminal use) : LPM0.
;###############################################################################################################
;###############################################################################################################
; or (bad idea ? previous SR flags are lost) simply : ADD #2 RSP, then RET instead of RETI
-; ======================================;
- JMP SLEEP ;2 here is the return for any interrupts, else TERMINAL_INT :-)
-; ======================================;
-
-
-; **************************************;
-TERMINAL_INT: ; <--- TEMR RX interrupt vector, delayed by the LPMx wake up time
-; **************************************; if wake up time increases, max bauds rate decreases...
-; (ACCEPT) part II under interrupt ; Org Ptr -- len'
-; --------------------------------------;
- ADD #4,RSP ;1 remove SR and PC from stack, SR flags are lost (unused by FORTH interpreter)
- .word 173Ah ;6 POPM W=buffer_bound,T=0Dh,S=20h,IP=AYEMIT_RET
-; vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv;
-; starts the 2th stopwatch ;
-; ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^;
-AKEYREAD MOV.B &TERMRXBUF,Y ;3 read character into Y, UCRXIFG is cleared
-; vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv;
-; stops the 3th stopwatch ; 3th bottleneck result : 17~ + LPMx wake_up time ( + 5~ XON loop if F/Bds<230400 )
-; ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^;
-AKEYREAD1 ; <--- XON RET address 2 ; first emergency: anticipate XOFF on CR as soon as possible
- CMP.B T,Y ;1 char = CR ?
- JZ RXOFF ;2 then RET to ENDACCEPT
-; vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv;+ 4 to send RXOFF
-; stops the first stopwatch ;= first bottleneck, best case result: 24~ + LPMx wake_up time..
-; ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^; ...or 11~ in case of empty line
- CMP.B S,Y ;1 printable char ?
- JHS ASTORETEST ;2 yes
- CMP.B #8,Y ; char = BS ?
- JNE WAITaKEY ; case of other control chars
-; --------------------------------------;
-; start of backspace ; made only by an human
-; --------------------------------------;
- CMP @PSP,TOS ; Ptr = Org ?
- JZ WAITaKEY ; yes: do nothing
- SUB #1,TOS ; no : dec Ptr
- JMP YEMIT1 ; send BS
-; --------------------------------------;
-; end of backspace ;
-; --------------------------------------;
-ASTORETEST CMP W,TOS ; 1 Bound is reached ?
- JZ YEMIT1 ; 2 yes: send echo then loopback
- MOV.B Y,0(TOS) ; 3 no: store char @ Ptr, send echo then loopback
- ADD #1,TOS ; 1 increment Ptr
-YEMIT1 BIT #UCTXIFG,&TERMIFG ; 3 wait the sending end of previous char, useless at high baudrates
- JZ YEMIT1 ; 2
- .IFDEF TERMINAL5WIRES ;
-YEMIT2 BIT.B #CTS,&HANDSHAKIN ;
- JNZ YEMIT2 ;
+; ==================================;
+ JMP SLEEP ;2 here is the return for any interrupts, else TERMINAL_INT :-)
+; ==================================;
+
+; **********************************;
+TERMINAL_INT ; <--- TEMR RX interrupt vector, delayed by the LPMx wake up time
+; **********************************; if wake up time increases, max bauds rate decreases...
+; (ACCEPT) part II under interrupt ; Org Ptr --
+; ----------------------------------;
+ ADD #4,RSP ;1 remove SR and PC from stack, SR flags are lost (unused by FORTH interpreter)
+ POPM #4,IP ;6 POPM W=buffer_bound, T=0Dh, S=20h, IP=AYEMIT_RET r-- ACCEPT_ret XOFF_ret
+; vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv;
+; starts the 2th stopwatch ;
+; ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^;
+AKEYREAD MOV.B &TERM_RXBUF,Y ;3 read character into Y, UCRXIFG is cleared
+; vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv;
+; stops the 3th stopwatch ; 3th bottleneck result : 17~ + LPMx wake_up time ( + 5~ XON loop if F/Bds<230400 )
+; ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^;
+AKEYREAD1 CMP.B S,Y ;1 printable char ?
+ JHS ASTORETEST ;2 yes
+ CMP.B T,Y ;1 char = CR ?
+ JZ RXOFF ;2 then RET to ENDACCEPT
+; vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv;+ 4 to send RXOFF
+; stops the first stopwatch ;= first bottleneck, best case result: 27~ + LPMx wake_up time..
+; ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^; ...or 14~ in case of empty line
+ CMP.B #8,Y ;1 char = BS ?
+ JNE WAITaKEY ;2 case of other control chars
+; ----------------------------------;
+; start of backspace ; made only by an human
+; ----------------------------------;
+ CMP @PSP,TOS ; Ptr = Org ?
+ JZ WAITaKEY ; yes: do nothing
+ SUB #1,TOS ; no : dec Ptr
+ JMP YEMIT1 ; send BS
+; ----------------------------------;
+; end of backspace ;
+; ----------------------------------;
+ASTORETEST CMP W,TOS ; 1 Bound is reached ?
+ JZ YEMIT1 ; 2 yes: send echo then loopback
+ MOV.B Y,0(TOS) ; 3 no: store char @ Ptr, send echo then loopback
+ ADD #1,TOS ; 1 increment Ptr
+YEMIT1 ;
+ BIT #UCTXIFG,&TERM_IFG ; 3 wait the sending end of previous char, useless at high baudrates
+ JZ YEMIT1 ; 2 but there's no point in wanting to save time here:
+YEMIT2 ;
+ .IFDEF TERMINAL5WIRES ;
+ BIT.B #CTS,&HANDSHAKIN ; 3
+ JNZ YEMIT2 ; 2
+ .ENDIF ;
+YEMIT ; hi7/4~ lo:12/9~ send/send_not echo to terminal
+ .word 4882h ; 4882h = MOV Y,&<next_adr>
+ .word TERM_TXBUF ; 3
+ mNEXT ; 4
+; ----------------------------------;
+AYEMIT_RET FORTHtoASM ; 0 YEMII NEXT address
+ SUB #2,IP ; 1 reset YEMIT NEXT address to AYEMIT_RET
+WAITaKEY BIT #UCRXIFG,&TERM_IFG ; 3 new char in TERMRXBUF ?
+ JNZ AKEYREAD ; 2 yes
+ JZ WAITaKEY ; 2 no
+; vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv;
+; stops the 2th stopwatch ; best case result: 26~/22~ (with/without echo) ==> 385/455 kBds/MHz
+; ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^;
+
+; ----------------------------------;
+ENDACCEPT ; --- Org Ptr r-- ACCEPT_ret
+; ----------------------------------;
+ CMP #0,&LINE ; if LINE <> 0...
+ JZ ACCEPTEND ;
+ ADD #1,&LINE ; ...increment LINE
+ACCEPTEND SUB @PSP+,TOS ; -- len'
+ MOV @RSP+,IP ; 2 return to INTERPRET with GIE=0: FORTH is protected against any interrupt...
+ .IFDEF TOTAL ;
+ POPM #4,R7 ;6 pop R4,R5,R6,R7
+ .ENDIF ;
+; ----------------------------------;
+ MOV #LPM0+GIE,&LPM_MODE ; reset LPM_MODE to default mode LPM0 for next line of input stream
+; ----------------------------------;
+ mNEXT ; ...until next falling down to LPMx mode of (ACCEPT) part1,
+; **********************************; i.e. when the FORTH interpreter has no more to do.
+
+ .IFDEF DEFER_ACCEPT
+
+; CIB -- addr of Current Input Buffer
+ FORTHWORD "CIB" ; constant, may be redirected as SDIB_ORG by OPEN.
+FCIB mDOCON ; Code Field Address (CFA) of FCIB
+PFACIB .WORD TIB_ORG ; Parameter Field Address (PFA) of FCIB
+
+; : REFILL CIB DUP TIB_LEN ACCEPT ; -- CIB CIB len shared by QUIT and [ELSE]
+REFILL SUB #6,PSP ;2
+ MOV TOS,4(PSP) ;3
+ MOV #TIB_LEN,TOS ;2
+ MOV &PFACIB,0(PSP) ;5
+ MOV @PSP,2(PSP) ;4
+ JMP ACCEPT ;2
+
+ .ELSE
+
+; : REFILL TIB DUP TIB_LEN ACCEPT ; -- TIB TIB len shared by QUIT and [ELSE]
+REFILL SUB #6,PSP ;2
+ MOV TOS,4(PSP) ;3
+ MOV #TIB_LEN,TOS ;2
+ MOV #TIB_ORG,0(PSP) ;4
+ MOV @PSP,2(PSP) ;4
+ JMP ACCEPT ;2
+
.ENDIF
-YEMIT .word 4882h ; hi7/4~ lo:12/4~ send/send_not echo to terminal
- .word TERMTXBUF ; 3 MOV Y,&TERMTXBUF
- mNEXT ; 4
-; --------------------------------------;
-AYEMIT_RET FORTHtoASM ; 0 YEMII NEXT address; NOP9
- SUB #2,IP ; 1 set YEMIT NEXT address to AYEMIT_RET
-WAITaKEY BIT #UCRXIFG,&TERMIFG ; 3 new char in TERMRXBUF ?
- JZ WAITaKEY ; 2 no
- JNZ AKEYREAD ; 2 yes
-; vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv;
-; stops the 2th stopwatch ; best case result: 31~/28~ (with/without echo) ==> 322/357 kBds/MHz
-; ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^;
-
-; --------------------------------------;
-ENDACCEPT ; <--- XOFF return address
-; --------------------------------------;
- MOV #LPM0+GIE,&LPM_MODE ; reset LPM_MODE to default mode LPM0 for next line of input stream
-DROPEXIT SUB @PSP+,TOS ; Org Ptr -- len'
- MOV @RSP+,IP ; 2 and continue with INTERPRET with GIE=0.
- ; So FORTH machine is protected against any interrupt...
- mNEXT ; ...until next falling down to LPMx mode of (ACCEPT) part1,
-; **************************************; i.e. when the FORTH interpreter has no more to do.
; ------------------------------------------------------------------------------
; TERMINAL I/O, output part
; ------------------------------------------------------------------------------
-
-;Z (EMIT) c -- output character (byte) to the terminal
-; hardware or software control on TX flow seems not necessary with UARTtoUSB bridges because
-; they stop TX when their RX buffer is full. So no problem when the terminal input is echoed to output.
- FORTHWORD "(EMIT)"
-PARENEMIT: MOV TOS,Y ; 1
- MOV @PSP+,TOS ; 2
- JMP YEMIT1 ;9 12~
-
-; =========================================================================================================
-; =========================================================================================================
- .ENDIF ; HALFDUPLEX
-; =========================================================================================================
-; =========================================================================================================
-
;https://forth-standard.org/standard/core/EMIT
-;C EMIT c -- output character to the output device ; deferred word
+;C EMIT c -- output character to the output device ; primary DEFERred word
FORTHWORD "EMIT"
-EMIT: MOV #PARENEMIT,PC ;3 15~
+EMIT MOV @PC+,PC ;3 Code Field Address (CFA) of EMIT
+PFAEMIT .word BODYEMIT ; Parameter Field Address (PFA) of EMIT, with its default value
+BODYEMIT MOV TOS,Y ; 1
+ MOV @PSP+,TOS ; 2
+ JMP YEMIT1 ;9 12~
+ .ENDIF ; HALFDUPLEX
;Z ECHO -- connect console output (default)
FORTHWORD "ECHO"
-ECHO: MOV #4882h,&YEMIT ; 4882h = MOV Y,&<next_adr>
+ECHO MOV #4882h,&YEMIT ; 4882h = MOV Y,&<next_adr>
+ MOV #0,&LINE ;
mNEXT
;Z NOECHO -- disconnect console output
FORTHWORD "NOECHO"
-NOECHO: MOV #NEXT,&YEMIT ; NEXT = 4030h = MOV @IP+,PC
+NOECHO MOV #NEXT,&YEMIT ; NEXT = 4030h = MOV @IP+,PC
+ MOV #1,&LINE ;
mNEXT
-; (CR) -- send CR+LF to the output terminal (via EMIT)
- FORTHWORD "(CR)"
-PARENCR: mDOCOL
- .word lit,13,EMIT
- .word lit,10,EMIT
- .word EXIT
-
-;https://forth-standard.org/standard/core/CR
-;C CR -- send CR to the output device
- FORTHWORD "CR"
-CR: MOV #PARENCR,PC
-
-
;https://forth-standard.org/standard/core/SPACE
;C SPACE -- output a space
FORTHWORD "SPACE"
-SPACE: SUB #2,PSP ;1
- MOV TOS,0(PSP) ;3
- MOV #20h,TOS ;2
- JMP EMIT ;17~ 23~
+SPACE SUB #2,PSP ;1
+ MOV TOS,0(PSP) ;3
+ MOV #20h,TOS ;2
+ JMP EMIT ;17~ 23~
;https://forth-standard.org/standard/core/SPACES
;C SPACES n -- output n spaces
FORTHWORD "SPACES"
-SPACES: CMP #0,TOS
- JZ SPACESEND
- PUSH IP
- MOV #SPACESNEXT,IP
- JMP SPACE ;25~
+SPACES CMP #0,TOS
+ JZ ONEDROP
+ PUSH IP
+ MOV #SPACESNEXT,IP
+ JMP SPACE ;25~
SPACESNEXT FORTHtoASM
- SUB #2,IP ;1
- SUB #1,TOS ;1
- JNZ SPACE ;25~ ==> 27~ by space ==> 2.963 MBds @ 8 MHz
- MOV @RSP+,IP
-SPACESEND MOV @PSP+,TOS
- mNEXT
-
+ SUB #2,IP ;1
+ SUB #1,TOS ;1
+ JNZ SPACE ;25~ ==> 27~ by space ==> 2.963 MBds @ 8 MHz
+DROPEXIT MOV @RSP+,IP ;
+ONEDROP MOV @PSP+,TOS ; -- drop n
+ mNEXT ;
;https://forth-standard.org/standard/core/TYPE
;C TYPE adr len -- type line to terminal
FORTHWORD "TYPE"
-TYPE CMP #0,TOS
- JZ TWODROP ; abort fonction
- .word 0151Eh ;5 PUSM TOS,IP R-- len,IP
- MOV #TYPE_NEXT,IP
-TYPELOOP MOV @PSP,Y ;2 -- adr adr ; 30~ char loop
- MOV.B @Y+,TOS ;2
- MOV Y,0(PSP) ;3 -- adr+1 char
- SUB #2,PSP ;1 emit consumes one cell
- JMP EMIT ;15
+TYPE CMP #0,TOS
+ JZ TWODROP ; abort fonction
+ PUSHM #2,TOS ;5 R-- len,IP
+ MOV #TYPE_NEXT,IP
+TYPELOOP MOV @PSP,Y ;2 -- adr adr ; 30~ char loop
+ MOV.B @Y+,TOS ;2
+ MOV Y,0(PSP) ;3 -- adr+1 char
+ SUB #2,PSP ;1 emit consumes one cell
+ JMP EMIT ;15
TYPE_NEXT FORTHtoASM
- SUB #2,IP ;1
- SUB #1,2(RSP) ;4 len-1
- JNZ TYPELOOP ;2
- .word 0171Dh ;5 POPM IP,TOS
- JMP TWODROP ;2+7
+ SUB #2,IP ;1
+ SUB #1,2(RSP) ;4 len-1
+ JNZ TYPELOOP ;2
+ POPM #2,TOS ;4 POPM IP,TOS
+TWODROP ADD #2,PSP ;
+ MOV @PSP+,TOS ; --
+ mNEXT ;
+
+;https://forth-standard.org/standard/core/CR
+;C CR -- send CR to the output device
+ FORTHWORD "CR"
+CR MOV @PC+,PC ;3 Code Field Address (CFA) of CR
+PFACR .word BODYCR ; Parameter Field Address (PFA) of CR, with its default value
+BODYCR mDOCOL
+ .word XSQUOTE
+ .byte 2,13,10
+ .word TYPE,EXIT
; ------------------------------------------------------------------------------
; STRINGS PROCESSING
;Z (S") -- addr u run-time code for S"
; get address and length of string.
-XSQUOTE: SUB #4,PSP ; 1 -- x x TOS ; push old TOS on stack
- MOV TOS,2(PSP) ; 3 -- TOS x x ; and reserve one cell on stack
- MOV.B @IP+,TOS ; 2 -- x u ; u = lenght of string
- MOV IP,0(PSP) ; 3 -- addr u
- ADD TOS,IP ; 1 -- addr u IP=addr+u=addr(end_of_string)
- BIT #1,IP ; 1 -- addr u IP=addr+u Carry set/clear if odd/even
- ADDC #0,IP ; 1 -- addr u IP=addr+u aligned
+XSQUOTE SUB #4,PSP ; 1 -- x x TOS ; push old TOS on stack
+ MOV TOS,2(PSP) ; 3 -- TOS x x ; and reserve one cell on stack
+ MOV.B @IP+,TOS ; 2 -- x u ; u = lenght of string
+ MOV IP,0(PSP) ; 3 -- addr u
+ ADD TOS,IP ; 1 -- addr u IP=addr+u=addr(end_of_string)
+ BIT #1,IP ; 1 -- addr u IP=addr+u Carry set/clear if odd/even
+ ADDC #0,IP ; 1 -- addr u IP=addr+u aligned
mNEXT ; 4 16~
- .IFDEF LOWERCASE
-
- FORTHWORD "CAPS_ON"
-CAPS_ON: MOV #-1,&CAPS ; state by default
- mNEXT
-
- FORTHWORD "CAPS_OFF"
-CAPS_OFF: MOV #0,&CAPS
- mNEXT
-
-;https://forth-standard.org/standard/core/Sq
-;C S" -- compile in-line string
- FORTHWORDIMM "S\34" ; immediate
-SQUOTE: mDOCOL
- .word lit,XSQUOTE,COMMA
-SQUOTE1 .word CAPS_OFF
- .word lit,'"',WORDD ; -- c-addr (= HERE)
- .word CAPS_ON
- FORTHtoASM
- MOV @RSP+,IP
- MOV.B @TOS,TOS ; -- u
- SUB #1,TOS ; -1 byte
- ADD TOS,&DDP
- MOV @PSP+,TOS
-CELLPLUSALIGN
- BIT #1,&DDP ;3
- ADDC #2,&DDP ;4 +2 bytes
- mNEXT
-
- .ELSE
-
;https://forth-standard.org/standard/core/Sq
;C S" -- compile in-line string
- FORTHWORDIMM "S\34" ; immediate
-SQUOTE: mDOCOL
+ FORTHWORDIMM "S\34" ; immediate
+SQUOTE MOV #0,&CAPS ; CAPS OFF
+ mDOCOL
.word lit,XSQUOTE,COMMA
-SQUOTE1 .word lit,'"',WORDD ; -- c-addr (= HERE)
+SQUOTE1 .word lit,'"',WORDD ; -- c-addr (= HERE)
FORTHtoASM
MOV @RSP+,IP
- MOV.B @TOS,TOS ; -- u
- SUB #1,TOS ; -1 byte
+ MOV #32,&CAPS ; CAPS ON
+ MOV.B @TOS,TOS ; -- u
+ SUB #1,TOS ; -1 byte
ADD TOS,&DDP
MOV @PSP+,TOS
CELLPLUSALIGN
- BIT #1,&DDP ;3 carry set if 1
- ADDC #2,&DDP ;4 +2 bytes
+ BIT #1,&DDP ;3 carry set if 1
+ ADDC #2,&DDP ;4 +2 bytes
mNEXT
- .ENDIF ; LOWERCASE
-
;https://forth-standard.org/standard/core/Dotq
;C ." -- compile string to print
- FORTHWORDIMM ".\34" ; immediate
-DOTQUOTE: mDOCOL
+ FORTHWORDIMM ".\34" ; immediate
+DOTQUOTE mDOCOL
.word SQUOTE
.word lit,TYPE,COMMA,EXIT
;https://forth-standard.org/standard/core/WORD
;C WORD char -- addr Z=1 if len=0
-; parse a word delimited by char separator
-; "word" is capitalized
-; TOIN is the relative displacement into buffer
-; spaces (as separator) filled line = 25 cycles + 7 cycles by char
+; parse a word delimited by char separator, by default "word" is capitalized
FORTHWORD "WORD"
-WORDD: MOV #SOURCE_LEN,S ;2 -- separator
- MOV @S+,X ;2 X = buf_len
- MOV @S+,W ;2 W = buf_org
- ADD W,X ;1 W = buf_org X = buf_org + buf_len = buf_end
- ADD @S+,W ;2 W = buf_org + >IN = buf_ptr X = buf_end
- MOV @S,Y ;2 -- separator W = buf_ptr X = buf_end Y = HERE, as dst_ptr
-SKIPCHARLOO CMP W,X ;1 buf_ptr = buf_end ?
- JZ EOL_END ;2 -- separator if yes : End Of Line !
- CMP.B @W+,TOS ;2 does char = separator ?
- JZ SKIPCHARLOO ;2 -- separator if yes
-SCANWORD SUB #1,W ;1
- MOV #96,T ;2 T = 96 = ascii(a)-1 (test value set in a register before SCANWORD loop)
+WORDD MOV #SOURCE_LEN,S ;2 -- separator
+ MOV @S+,X ;2 X = str_len
+ MOV @S+,W ;2 W = str_org
+ ADD W,X ;1 W = str_org X = str_org + str_len = str_end
+ ADD @S+,W ;2 W = str_org + >IN = str_ptr X = str_end
+ MOV @S,Y ;2 -- separator W = str_ptr X = str_end Y = HERE, as dst_ptr
+SKIPCHARLOO CMP W,X ;1 str_ptr = str_end ?
+ JZ EOL_END ;2 -- separator if yes : End Of Line !
+ CMP.B @W+,TOS ;2 does char = separator ?
+ JZ SKIPCHARLOO ;2 -- separator if yes
+SCANWORD SUB #1,W ;1
+ MOV #96,T ;2 T = 96 = ascii(a)-1 (test value set in a register before SCANWORD loop)
SCANWORDLOO ; -- separator 15/23 cycles loop for upper/lower case char... write words in upper case !
- MOV.B S,0(Y) ;3 first time puts anything in dst word length, then put char @ dst.
- CMP W,X ;1 buf_ptr = buf_end ?
- JZ SCANWORDEND ;2 if yes
- MOV.B @W+,S ;2
- CMP.B S,TOS ;1 does char = separator ?
- JZ SCANWORDEND ;2 if yes
- ADD #1,Y ;1 increment dst just before test loop
- CMP.B S,T ;1 char U< 'a' ? ('a'-1 U>= char) this condition is tested at each loop
- JC SCANWORDLOO ;2 15~ upper case char loop
- .IFDEF LOWERCASE ;
-QCAPS CMP #0,&CAPS ;3 CAPS is OFF ? (case available only for ABORT" ." .( )
- JZ SCANWORDLOO ;2 yes
- .ENDIF ; LOWERCASE ; here CAPS is ON (other cases)
- CMP.B #123,S ;2 char U>= 'z'+1 ?
- JC SCANWORDLOO ;2 if yes
- SUB.B #32,S ;2 convert lowercase char to uppercase
- JMP SCANWORDLOO ;2
-
-SCANWORDEND SUB &SOURCE_ADR,W ;3 -- separator W=buf_ptr - buf_org = new >IN (first char separator next)
- MOV W,&TOIN ;3 update >IN
-EOL_END MOV &DDP,TOS ;3 -- c-addr
- SUB TOS,Y ;1 Y=Word_Length
- MOV.B Y,0(TOS) ;3
+ MOV.B S,0(Y) ;3 first time make room in dst for word length, then put char @ dst.
+ CMP W,X ;1 str_ptr = str_end ?
+ JZ SCANWORDEND ;2 if yes
+ MOV.B @W+,S ;2
+ CMP.B S,TOS ;1 does char = separator ?
+ JZ SCANWORDEND ;2 if yes
+ ADD #1,Y ;1 increment dst just before test loop
+ CMP.B S,T ;1 char U< 'a' ? ('a'-1 U>= char) this condition is tested at each loop
+ JC SCANWORDLOO ;2 15~ upper case char loop
+ CMP.B #123,S ;2 char U>= 'z'+1 ?
+ JC SCANWORDLOO ;2 if yes
+ SUB.B &CAPS,S ;3 convert lowercase char to uppercase if CAPS ON (CAPS=32)
+ JMP SCANWORDLOO ;2 24~ lower case char loop
+SCANWORDEND
+ SUB &SOURCE_ADR,W ;3 -- separator W=str_ptr - str_org = new >IN (first char separator next)
+ MOV W,&TOIN ;3 update >IN
+EOL_END MOV &DDP,TOS ;3 -- c-addr
+ SUB TOS,Y ;1 Y=Word_Length
+ MOV.B Y,0(TOS) ;3
mNEXT ;4 -- c-addr 40 words Z=1 <==> lenght=0 <==> EOL
;https://forth-standard.org/standard/core/FIND
;C xt 1 if immediate ; flag Z=0
; compare WORD at c-addr (HERE) with each of words in each of listed vocabularies in CONTEXT
; FIND to WORDLOOP : 14/20 cycles,
-; mismatch word loop: 13 cycles on len, +8 cycles on first char,
+; mismatch word loop: 13 cycles on len, +7 cycles on first char,
; +10 cycles char loop,
; VOCLOOP : 12/18 cycles,
; WORDFOUND to end : 21 cycles.
; note: with 16 threads vocabularies, FIND takes about 75% of CORETEST.4th processing time
- FORTHWORD "FIND"
-FIND: SUB #2,PSP ;1 -- ???? c-addr reserve one cell here, not at FINDEND because interacts with flag Z
- MOV TOS,S ;1 S=c-addr
- MOV.B @S,rDOCON ;2 R5= string count
- MOV.B #80h,rDODOES ;2 R4= immediate mask
- MOV #CONTEXT,T ;2
-VOCLOOP MOV @T+,TOS ;2 -- ???? VOC_PFA T=CTXT+2
- CMP #0,TOS ;1 no more vocabulary in CONTEXT ?
- JZ FINDEND ;2 -- ???? 0 yes ==> exit; Z=1
+ FORTHWORD "FIND" ; -- c-addr
+FIND SUB #2,PSP ;1 -- ???? c-addr reserve one cell here, not at FINDEND because interacts with flag Z
+ MOV TOS,S ;1 S=c-addr
+ MOV.B @S,rDOCON ;2 R5= string count
+ MOV.B #80h,rDODOES ;2 R4= immediate mask
+ MOV #CONTEXT,T ;2
+VOCLOOP MOV @T+,TOS ;2 -- ???? VOC_PFA T=CTXT+2
+ CMP #0,TOS ;1 no more vocabulary in CONTEXT ?
+ JZ FINDEND ;2 -- ???? 0 yes ==> exit; Z=1
.SWITCH THREADS
.CASE 1
.ELSECASE ; search thread add 6cycles 5words
-MAKETHREAD MOV.B 1(S),Y ;3 -- ???? VOC_PFA0 S=c-addr Y=CHAR0
+MAKETHREAD MOV.B 1(S),Y ;3 -- ???? VOC_PFA0 S=c-addr Y=CHAR0
AND.B #(THREADS-1)*2,Y ;2 -- ???? VOC_PFA0 Y=thread offset
- ADD Y,TOS ;1 -- ???? VOC_PFAx
+ ADD Y,TOS ;1 -- ???? VOC_PFAx
.ENDCASE
- ADD #2,TOS ;1 -- ???? VOC_PFA+2
-WORDLOOP MOV -2(TOS),TOS ;3 -- ???? [VOC_PFA] [VOC_PFA] first, then [LFA]
- CMP #0,TOS ;1 -- ???? NFA no more word in the thread ?
- JZ VOCLOOP ;2 -- ???? NFA yes ==> search next voc in context
- MOV TOS,X ;1
- MOV.B @X+,Y ;2 TOS=NFA,X=NFA+1,Y=NFA_char
- BIC.B rDODOES,Y ;1 hide Immediate bit
-LENCOMP CMP.B rDOCON,Y ;1 compare lenght
- JNZ WORDLOOP ;2 -- ???? NFA 13~ word loop on lenght mismatch
- MOV S,W ;1 W=c-addr
-CHARLOOP ADD #1,W ;1
-CHARCOMP CMP.B @X+,0(W) ;4 compare chars
- JNZ WORDLOOP ;2 -- ???? NFA 21~ word loop on first char mismatch
- SUB.B #1,Y ;1 decr count
- JNZ CHARLOOP ;2 -- ???? NFA 10~ char loop
-
-WORDFOUND BIT #1,X ;1
- ADDC #0,X ;1
- MOV X,S ;1 S=aligned CFA
- MOV.B @TOS,W ;2 -- ???? NFA W=NFA_first_char
- MOV #1,TOS ;1 -- ???? 1 preset immediate flag
- CMP.B #0,W ;1 W is negative if immediate flag
- JN FINDEND ;2 -- ???? 1
- SUB #2,TOS ;1 -- ???? -1
-FINDEND MOV S,0(PSP) ;3 not found: -- c-addr 0 flag Z=1
+ ADD #2,TOS ;1 -- ???? VOC_PFA+2
+WORDLOOP MOV -2(TOS),TOS ;3 -- ???? [VOC_PFA] [VOC_PFA] first, then [LFA]
+ CMP #0,TOS ;1 -- ???? NFA no more word in the thread ?
+ JZ VOCLOOP ;2 -- ???? NFA yes ==> search next voc in context
+ MOV TOS,X ;1
+ MOV.B @X+,Y ;2 TOS=NFA,X=NFA+1,Y=NFA_char
+ BIC.B rDODOES,Y ;1 hide Immediate bit
+LENCOMP CMP.B rDOCON,Y ;1 compare lenght
+ JNZ WORDLOOP ;2 -- ???? NFA 13~ word loop on lenght mismatch
+ MOV S,W ;1 W=c-addr
+CHARCOMP CMP.B @X+,1(W) ;4 compare chars
+ JNZ WORDLOOP ;2 -- ???? NFA 20~ word loop on first char mismatch
+ ADD #1,W ;1
+ SUB.B #1,Y ;1 decr count
+ JNZ CHARCOMP ;2 -- ???? NFA 10~ char loop
+
+WORDFOUND BIT #1,X ;1
+ ADDC #0,X ;1
+ MOV X,S ;1 S=aligned CFA
+ MOV.B @TOS,W ;2 -- ???? NFA W=NFA_first_char
+ MOV #1,TOS ;1 -- ???? 1 preset immediate flag
+ CMP.B #0,W ;1 W is negative if immediate flag
+ JN FINDEND ;2 -- ???? 1
+ SUB #2,TOS ;1 -- ???? -1
+FINDEND MOV S,0(PSP) ;3 not found: -- c-addr 0 flag Z=1
; found: -- xt -1|+1 (not immediate|immediate) flag Z=0
- MOV #xdocon,rDOCON ;2
- MOV #xdodoes,rDODOES;2
+ MOV #xdocon,rDOCON ;2
+ MOV #xdodoes,rDODOES ;2
mNEXT ;4 42/47 words
-
-THREEDROP ADD #2,PSP
-TWODROP ADD #2,PSP
- MOV @PSP+,TOS
- mNEXT
-
- .IFDEF MPY
+ .IFDEF MPY_32
;https://forth-standard.org/standard/core/toNUMBER
;C convert a string to double number until count2 = 0 or until not convertible char
-;C >NUMBER ud1lo|ud1hi addr1 count1 -- ud2lo|ud2hi addr2 count2
+;C >NUMBER ud1lo ud1hi addr1 count1 -- ud2lo ud2hi addr2 count2
FORTHWORD ">NUMBER" ; 23 cycles + 32/34 cycles DEC/HEX char loop
-TONUMBER: MOV @PSP+,S ;2 S = adr
- MOV @PSP+,Y ;2 Y = ud1hi
- MOV @PSP,X ;2 X = ud1lo
- SUB #4,PSP ;1
- MOV &BASE,T ;3
-TONUMLOOP MOV.B @S,W ;2 -- ud1lo ud1hi adr count W=char
-DDIGITQ SUB.B #30h,W ;2 skip all chars < '0'
- CMP.B #10,W ;2 char was U< "10" ?
- JLO DDIGITQNEXT ;2 no
- SUB.B #7,W ;2 skip all chars between "9" and "A"
- CMP.B #10,W ;2
- JLO TONUMEND ;2
-DDIGITQNEXT CMP T,W ;1 digit-base
- JHS TONUMEND ;2 -- ud1lo ud1hi adr count abort if < 0 or >= base
- MOV X,&MPY32L ;3 Load 1st operand (ud1lo)
- MOV Y,&MPY32H ;3 Load 1st operand (ud1hi)
- MOV T,&OP2 ;3 Load 2nd operand with BASE
- MOV &RES0,X ;3 lo result in X (ud2lo)
- MOV &RES1,Y ;3 hi result in Y (ud2hi)
- ADD W,X ;1 ud2lo + digit
- ADDC #0,Y ;1 ud2hi + carry
-TONUMPLUS ADD #1,S ;1 -- ud1lo ud1hi adr count S=adr+1
- SUB #1,TOS ;1 -- ud1lo ud1hi adr count-1
- JNZ TONUMLOOP ;2 if count <>0
- MOV Y,2(PSP) ;3 -- ud2lo ud2hi adr count2
-TONUMEND MOV S,0(PSP) ;3 -- ud2lo ud2hi addr2 count2
- MOV X,4(PSP) ;3 -- ud2lo ud1hi adr count2
- mNEXT ;4 38 words
-
+TONUMBER MOV @PSP+,S ;2 -- ud1lo ud1hi count1 S = addr1
+ MOV @PSP+,Y ;2 -- ud1lo count1 Y = ud1hi
+ MOV @PSP,X ;2 -- x count1 X = ud1lo
+ SUB #4,PSP ;1 -- x x x x count
+ MOV &BASE,T ;3
+TONUMLOOP MOV.B @S,W ;2 -- x x x x count W=char
+DDIGITQ SUB.B #30h,W ;2 skip all chars < '0'
+ CMP.B #10,W ;2 char was U< 10 ?
+ JLO DDIGITQNEXT ;2 no
+ SUB.B #7,W ;2
+ CMP.B #10,W ;2
+ JLO TONUMEND ;2 -- x x x x count skip all chars between "9" and "A"
+DDIGITQNEXT CMP T,W ;1 digit-base
+ JHS TONUMEND ;2 -- x x x x count abort if < 0 or >= base
+ MOV X,&MPY32L ;3 Load 1st operand (ud1lo)
+ MOV Y,&MPY32H ;3 Load 1st operand (ud1hi)
+ MOV T,&OP2 ;3 Load 2nd operand with BASE
+ MOV &RES0,X ;3 lo result in X (ud2lo)
+ MOV &RES1,Y ;3 hi result in Y (ud2hi)
+ ADD W,X ;1 ud2lo + digit
+ ADDC #0,Y ;1 ud2hi + carry
+TONUMPLUS ADD #1,S ;1 S=adr+1
+ SUB #1,TOS ;1 -- x x x x count-1
+ JNZ TONUMLOOP ;2 if count <>0
+TONUMEND MOV S,0(PSP) ;3 -- x x x adr2 count2
+ MOV Y,2(PSP) ;3 -- x x ud2hi addr2 count2
+ MOV X,4(PSP) ;3 -- x ud2lo ud2hi addr2 count2
+ mNEXT ;4 41 words
; ?NUMBER makes the interface between >NUMBER and INTERPRET; it's a subset of INTERPRET.
; convert a string to a signed number; FORTH 2012 prefixes $, %, # are recognized
-; 32 bits numbers (with decimal point) are recognized
-; fixed point signed numbers (with a comma) are recognised.
-; prefixes # % $ - are processed before calling >NUMBER, decimal point and comma are processed as >NUMBER exits
+; 32 bits numbers (with decimal point) and fixed point signed numbers (with a comma) are recognized.
+; prefixes # % $ and - are processed before calling >NUMBER
+; not convertible chars '.' (double) and ',' (fixed point) are processed as >NUMBER exits
;Z ?NUMBER c-addr -- n -1 if convert ok ; flag Z=0
;Z c-addr -- c-addr 0 if convert ko ; flag Z=1
-QNUMBER: MOV #0,S ;1
- MOV &BASE,T ;3 T=BASE
- BIC #UF9,SR ;2 reset flag UF9, as decimal point flag
- .word 152Dh ;5 R-- IP sign base
- MOV #0,X ;1 X=ud1lo
- MOV #0,Y ;1 Y=ud1hi
- MOV #QNUMNEXT,IP ;2 return from >NUMBER
- SUB #8,PSP ;1 -- x x x x c-addr save TOS and make room for >NUMBER
- MOV TOS,6(PSP) ;3 -- c-addr x x x c-addr
- MOV TOS,S ;1 S=addrr
- MOV.B @S+,TOS ;2 -- c-addr x x x cnt TOS=count
- MOV.B @S,W ;2 W=char
- SUB.B #',',W ;2
- JHS QSIGN ;2 for current base, and for ',' or '.' process
- SUB.B #1,W ;1
-QBINARY MOV #2,T ;3 preset base 2
- ADD.B #8,W ;1 '%' + 8 = '-' binary number ?
- JZ PREFIXED ;2
-QDECIMAL ADD #8,T ;4
- ADD.B #2,W ;1 '#' + 2 = '%' decimal number ?
- JZ PREFIXED ;2
-QHEXA MOV #16,T ;4
- SUB.B #1,W ;2 '$' - 1 = '#' hex number ?
- JNZ TONUMLOOP ;2 -- c-addr ud=0 x x other cases will cause error
-PREFIXED ADD #1,S ;1
- SUB #1,TOS ;1 -- c-addr ud=0 x count S=adr+1 TOS=count-1
- MOV.B @S,W ;2 X=2th char, W=adr
- SUB.B #',',W ;2
-QSIGN CMP.B #1,W ;1
- JNZ TONUMLOOP ;2 for positive number and for , or . process
- MOV #-1,2(RSP) ;3 R-- IP sign base
- JMP TONUMPLUS ;2
-; ----------------------------------; 39
+QNUMBER BIC #UF9,SR ;2 reset flag UF9, before use as decimal point flag
+ MOV &BASE,T ;3 T=BASE
+ MOV #0,S ;1 S=sign of result
+ PUSHM #3,IP ;5 R-- IP sign base
+ MOV #QNUMNEXT,IP ;2 set QNUMNEXT as return from >NUMBER
+ MOV #0,X ;1 X=ud1lo
+ MOV #0,Y ;1 Y=ud1hi
+ SUB #8,PSP ;1 -- x x x x c-addr save TOS and make room for >NUMBER
+ MOV TOS,6(PSP) ;3 -- c-addr x x x c-addr
+ MOV TOS,S ;1 S=addrr
+ MOV.B @S+,TOS ;2 -- c-addr x x x count TOS=count
+ MOV.B @S,W ;2 W=char
+ SUB.B #',',W ;2
+ JHS QSIGN ;2 for current base, and for ',' or '.' process
+ SUB.B #1,W ;1
+QBINARY MOV #2,T ;3 preset base 2
+ ADD.B #8,W ;1 '%' + 8 = '-' binary number ?
+ JZ PREFIXED ;2
+QDECIMAL ADD #8,T ;4
+ ADD.B #2,W ;1 '#' + 2 = '%' decimal number ?
+ JZ PREFIXED ;2
+QHEXA MOV #16,T ;4
+ SUB.B #1,W ;2 '$' - 1 = '#' hex number ?
+ JNZ TONUMLOOP ;2 -- c-addr x x x count other cases will cause >NUMBER error
+PREFIXED ADD #1,S ;1
+ SUB #1,TOS ;1 -- c-addr x x x cnt-1 S=adr+1 TOS=count-1
+ MOV.B @S,W ;2 X=2th char, W=adr
+ SUB.B #',',W ;2
+QSIGN CMP.B #1,W ;1
+ JNZ TONUMLOOP ;2 -- c-addr x x x count for positive number and for , or . process
+ MOV #-1,2(RSP) ;3 R-- IP sign base
+ JMP TONUMPLUS ;2
+; ----------------------------------;40
QNUMNEXT FORTHtoASM ; -- c-addr ud2lo-hi addr2 cnt2 R-- IP sign BASE S=addr2
- CMP #0,TOS ;1 cnt2=0 ? conversion is ok ?
- JZ QNUMNEXT1 ;2 yes
- BIS #UF9,SR ;2 set double number flag
-QNUMDP CMP.B #'.',0(S) ;4 rejected char by >NUMBER = decimal point ?
- JNZ QS15Q16 ;2 no
-QNUMDPFOUND SUB #2,IP ;1 set >NUMBER return address
- JMP TONUMPLUS ;2 loop back to terminate conversion
-QS15Q16 CMP.B #',',0(S) ;5 rejected char by >NUMBER is a comma ?
- JNZ QNUMNEXT1 ;2 no
-; ----------------------------------;
-S15Q16 MOV TOS,W ;1 -- c-addr ud2lo x x x W=cnt2
- MOV #0,X ;1 -- c-addr ud2lo x 0 x init ud2lo' = 0
-S15Q16LOOP MOV X,2(PSP) ;3 -- c-addr ud2lo ud2lo' ud2lo' x X = 0(PSP) = ud2lo'
- SUB.B #1,W ;1 decrement cnt2
- MOV W,X ;1 X = cnt2-1
- ADD S,X ;1 X = end_of_string-1, first...
- MOV.B @X,X ;2 X = last char of string, first...
- SUB #30h,X ;2 char --> digit conversion
- CMP.B #10,X ;2
- JLO QS15Q16DIGI ;2
- SUB.B #7,X ;2
- CMP.B #10,X ;2
- JLO S15Q16EOC ;2
-QS15Q16DIGI CMP T,X ;1 R-- IP sign BASE is X a digit ?
- JHS S15Q16EOC ;2 -- c-addr ud2lo ud2lo' x ud2lo' if no
- MOV X,0(PSP) ;3 -- c-addr ud2lo ud2lo' digit x
- MOV T,TOS ;1 -- c-addr ud2lo ud2lo' digit base R-- IP sign base
- .word 152Ch ;6 PUSH S,T,W: R-- IP sign base addr2 base cnt2
- CALL #MUSMOD ;4 -- c-addr ud2lo ur uqlo uqhi
- .word 172Ah ;6 restore W,T,S: R-- IP sign BASE
- JMP S15Q16LOOP ;2 W=cnt
-S15Q16EOC MOV 4(PSP),2(PSP) ;5 -- c-addr ud2lo ud2hi uqlo x ud2lo from >NUMBER part1 becomes here ud2hi=S15 part2
- MOV @PSP,4(PSP) ;4 -- c-addr ud2lo ud2hi x x uqlo becomes ud2lo
- MOV W,TOS ;1 -- c-addr ud2lo ud2hi x cnt2
- CMP.B #0,TOS ;1 TOS = 0 if end of conversion char = ',' (happy end)
-; ----------------------------------;88
-QNUMNEXT1 .word 0172Bh ;4 -- c-addr ud2lo-hi x cnt2 POPM T,S,IP S = sign flag = {-1;0}
- MOV S,TOS ;1 -- c-addr ud2lo-hi x sign
- MOV T,&BASE ;3
- JZ QNUMOK ;2 -- c-addr ud2lo-hi x sign conversion OK
-QNUMKO ADD #6,PSP ;1 -- c-addr sign
- AND #0,TOS ;1 -- c-addr ff TOS=0 and Z=1 ==> conversion ko
- mNEXT ;4
-; ----------------------------------;97
-QNUMOK ADD #2,PSP ;1 -- c-addr ud2lo-hi cnt2
- MOV 2(PSP),4(PSP) ; -- udlo udlo udhi sign
- MOV @PSP+,0(PSP) ;4 -- udlo udhi sign note : PSP is incremented before write back !!!
- XOR #-1,TOS ;1 -- udlo udhi inv(sign)
- JNZ QDOUBLE ;2 if jump : TOS=-1 and Z=0 ==> conversion ok
-Q2NEGATE XOR #-1,TOS ;1 -- udlo udhi tf
- XOR #-1,2(PSP) ;3 -- dlo-1 dhi-1 tf
- XOR #-1,0(PSP) ;3 -- dlo-1 udhi tf
- ADD #1,2(PSP) ;3 -- dlo dhi-1 tf
- ADDC #0,0(PSP) ;3 -- dlo dhi tf
-QDOUBLE BIT #UF9,SR ;2 decimal point added ?
- JNZ QNUMEND ;2 leave double
- ADD #2,PSP ;1 leave number
-QNUMEND mNEXT ;4 TOS=-1 and Z=0 ==> conversion ok
-; ----------------------------------;119 words
+ .IFDEF DOUBLE_INPUT
+ CMP #0,TOS ;1 cnt2=0 : conversion is ok ?
+ JZ QNUMNEXT1 ;2 yes
+ BIT #UF9,SR ;2 already 1 ?
+ JNZ QNUMNEXT1 ;2 yes: abort
+ BIS #UF9,SR ;2 set double number flag
+ SUB #2,IP ;1 reset QNUMNEXT as return from >NUMBER
+QQNUMDP CMP.B #'.',0(S) ;4 rejected char by >NUMBER = decimal point ?
+ JZ TONUMPLUS ;2 yes: loop back to >NUMBER to terminate conversion
+ .ENDIF ; DOUBLE_INPUT
+; ----------------------------------;52
+ .IFDEF FIXPOINT_INPUT ;
+ .IFNDEF DOUBLE_INPUT
+ CMP #0,TOS ;1 cnt2=0 : conversion is ok ?
+ JZ QNUMNEXT1 ;2 yes
+ BIT #UF9,SR ;2 already 1 ?
+ JNZ QNUMNEXT1 ;2 yes: abort
+ BIS #UF9,SR ;2 set double number flag
+ .ENDIF
+QQcomma CMP.B #',',0(S) ;5 rejected char by >NUMBER is a comma ?
+ JNZ QNUMNEXT1 ;2 no, goto QNUMNEXT1 (abort then)
+S15Q16 MOV TOS,W ;1 -- c-addr ud2lo x x x yes W=cnt2
+ MOV #0,X ;1 -- c-addr ud2lo x 0 x init X = ud2lo' = 0
+S15Q16LOOP MOV X,2(PSP) ;3 -- c-addr ud2lo ud2lo' ud2lo' x 0(PSP) = ud2lo'
+ SUB.B #1,W ;1 decrement cnt2
+ MOV W,X ;1 X = cnt2-1
+ ADD S,X ;1 X = end_of_string-1, first...
+ MOV.B @X,X ;2 X = last char of string, first...
+ SUB #30h,X ;2 char --> digit conversion
+ CMP.B #10,X ;2
+ JLO QS15Q16DIGI ;2
+ SUB.B #7,X ;2
+ CMP.B #10,X ;2 to skip all chars between "9" and "A"
+ JLO S15Q16EOC ;2 ens of conversion
+QS15Q16DIGI CMP T,X ;1 R-- IP sign BASE is X a digit ?
+ JHS S15Q16EOC ;2 -- c-addr ud2lo ud2lo' x ud2lo' if no goto QNUMNEXT1 (abort then)
+ MOV X,0(PSP) ;3 -- c-addr ud2lo ud2lo' digit x
+ MOV T,TOS ;1 -- c-addr ud2lo ud2lo' digit base R-- IP sign base
+ PUSHM #3,S ;6 PUSH S,T,W: R-- IP sign base addr2 base cnt2
+ CALL #MUSMOD ;4 -- c-addr ud2lo ur uqlo uqhi
+ POPM #3,S ;6 restore W,T,S: R-- IP sign BASE
+ JMP S15Q16LOOP ;2 W=cnt
+S15Q16EOC MOV 4(PSP),2(PSP) ;5 -- c-addr ud2lo ud2hi uqlo x ud2lo from >NUMBER part1 becomes here ud2hi part of Q15.16
+ MOV @PSP,4(PSP) ;4 -- c-addr ud2lo ud2hi x x uqlo becomes ud2lo part of Q15.16
+ MOV W,TOS ;1 -- c-addr ud2lo ud2hi x cnt2
+ CMP.B #0,TOS ;1 TOS = 0 if end of conversion (happy end)
+ .ENDIF ; FIXPOINT_INPUT
+; ----------------------------------;54
+QNUMNEXT1 POPM #3,IP ;4 -- c-addr ud2lo-hi x cnt2 POPM T,S,IP S = sign flag = {-1;0}
+ MOV S,TOS ;1 -- c-addr ud2lo-hi x sign
+ MOV T,&BASE ;3
+ JZ QNUMOK ;2 -- c-addr ud2lo-hi x sign conversion OK
+QNUMKO ADD #6,PSP ;1 -- c-addr sign
+ AND #0,TOS ;1 -- c-addr ff TOS=0 and Z=1 ==> conversion ko
+ mNEXT ;4
+; ----------------------------------;63
+QNUMOK ADD #2,PSP ;1 -- c-addr ud2lo-hi cnt2
+ MOV 2(PSP),4(PSP) ; -- udlo udlo udhi sign
+ MOV @PSP+,0(PSP) ;4 -- udlo udhi sign note : PSP is incremented before write back !!!
+ XOR #-1,TOS ;1 -- udlo udhi inv(sign)
+ JNZ QDOUBLE ;2 if jump : TOS=-1 and Z=0 ==> conversion ok
+Q2NEGATE XOR #-1,TOS ;1 -- udlo udhi tf
+ XOR #-1,2(PSP) ;3 -- dlo-1 dhi-1 tf
+ XOR #-1,0(PSP) ;3 -- dlo-1 udhi tf
+ ADD #1,2(PSP) ;3 -- dlo dhi-1 tf
+ ADDC #0,0(PSP) ;3 -- dlo dhi tf
+QDOUBLE BIT #UF9,SR ;2 decimal point added ?
+ JNZ QNUMEND ;2 leave double
+ ADD #2,PSP ;1 leave number
+QNUMEND mNEXT ;4 TOS=-1 and Z=0 ==> conversion ok
+; ----------------------------------;85/125 words
.ELSE ; no hardware MPY
; T.I. SIGNED MULTIPLY SUBROUTINE: U1 x U2 -> Ud
-
;https://forth-standard.org/standard/core/UMTimes
;C UM* u1 u2 -- ud unsigned 16x16->32 mult.
FORTHWORD "UM*"
-UMSTAR: MOV @PSP,S ;2 MDlo
-UMSTAR1 MOV #0,T ;1 MDhi=0
- MOV #0,X ;1 RES0=0
- MOV #0,Y ;1 RES1=0
- MOV #1,W ;1 BIT TEST REGISTER
-UMSTARLOOP BIT W,TOS ;1 TEST ACTUAL BIT MRlo
- JZ UMSTARNEXT ;2 IF 0: DO NOTHING
- ADD S,X ;1 IF 1: ADD MDlo TO RES0
- ADDC T,Y ;1 ADDC MDhi TO RES1
-UMSTARNEXT ADD S,S ;1 (RLA LSBs) MDlo x 2
- ADDC T,T ;1 (RLC MSBs) MDhi x 2
- ADD W,W ;1 (RLA) NEXT BIT TO TEST
- JNC UMSTARLOOP ;2 IF BIT IN CARRY: FINISHED 10~ loop
- MOV X,0(PSP) ;3 low result on stack
- MOV Y,TOS ;1 high result in TOS
- mNEXT ;4 17 words
+UMSTAR MOV @PSP,S ;2 MDlo
+UMSTAR1 MOV #0,T ;1 MDhi=0
+ MOV #0,X ;1 RES0=0
+ MOV #0,Y ;1 RES1=0
+ MOV #1,W ;1 BIT TEST REGISTER
+UMSTARLOOP BIT W,TOS ;1 TEST ACTUAL BIT MRlo
+ JZ UMSTARNEXT ;2 IF 0: DO NOTHING
+ ADD S,X ;1 IF 1: ADD MDlo TO RES0
+ ADDC T,Y ;1 ADDC MDhi TO RES1
+UMSTARNEXT ADD S,S ;1 (RLA LSBs) MDlo x 2
+ ADDC T,T ;1 (RLC MSBs) MDhi x 2
+ ADD W,W ;1 (RLA) NEXT BIT TO TEST
+ JNC UMSTARLOOP ;2 IF BIT IN CARRY: FINISHED 10~ loop
+ MOV X,0(PSP) ;3 low result on stack
+ MOV Y,TOS ;1 high result in TOS
+ mNEXT ;4 17 words
;https://forth-standard.org/standard/core/toNUMBER
;C convert a string to double number until count2 = 0 or until not convertible char
;C >NUMBER ud1lo|ud1hi addr1 count1 -- ud2lo|ud2hi addr2 count2
-
FORTHWORD ">NUMBER"
-TONUMBER: MOV @PSP,S ; S=adr
- MOV TOS,T ; T=count
-TONUMLOOP MOV.B @S,X ; -- ud1lo ud1hi x x X=char
-DDIGITQ SUB.B #30h,X ;2 skip all chars < '0'
- CMP.B #10,X ; char was > "9" ?
- JLO DDIGITQNEXT ; -- ud1lo ud1hi x x no
- SUB.B #07,X ;2 skip all chars between "9" and "A"
- CMP.B #10,X ;2
- JLO TONUMEND ;2
-DDIGITQNEXT CMP &BASE,X ; -- ud1lo ud1hi x x digit-base
- JHS TONUMEND ; U>=
-UDSTAR .word 154Dh ; -- ud1lo ud1hi x x R-- IP adr count x digit PSUHM IP,S,T,W,X
- MOV 2(PSP),S ; -- ud1lo ud1hi x x S=ud1hi
- MOV &BASE,TOS ; -- ud1lo ud1hi x base
- MOV #UMSTARNEXT1,IP ;
-UMSTARONE JMP UMSTAR1 ; ud1hi * base -- x ud3hi X=ud3lo
-UMSTARNEXT1 FORTHtoASM ; -- ud1lo ud1hi x ud3hi
- MOV X,2(RSP) ; R-- IP adr count ud3lo digit
- MOV 4(PSP),S ; -- ud1lo ud1hi x ud3hi S=ud1lo
- MOV &BASE,TOS ; -- ud1lo ud1hi x base
- MOV #UMSTARNEXT2,IP ;
-UMSTARTWO JMP UMSTAR1 ; ud1lo * base -- x ud4hi X=ud4lo
-UMSTARNEXT2 FORTHtoASM ; -- ud1lo ud1hi x ud4hi r-- IP adr count ud3lo digit
- ADD @RSP+,X ; -- ud1lo ud1hi x ud4hi X = ud4lo+digit = ud2lo
-MPLUS ADDC @RSP+,TOS ; -- ud1lo ud1hi x ud2hi TOS = ud4hi+ud3lo+carry = ud2hi
- MOV X,4(PSP) ; -- ud2lo ud1hi x ud2hi
- MOV TOS,2(PSP) ; -- ud2lo ud2hi x x R-- IP adr count
- .word 172Bh ; -- ud2lo ud2hi x x T=count, S=adr POPM T,S,IP
-TONUMPLUS ADD #1,S ;
- SUB #1,T ;
- JNZ TONUMLOOP ; -- ud2lo ud2hi x x S=adr+1, T=count-1, X=ud2lo
-TONUMEND MOV S,0(PSP) ; -- ud2lo ud2hi adr2 count2
- MOV T,TOS ; -- ud2lo ud2hi adr2 count2
- mNEXT ; 46 words
+TONUMBER MOV @PSP,S ;2 S=adr
+ MOV TOS,T ;1 T=count
+ MOV &BASE,W ;3
+TONUMLOOP MOV.B @S,Y ;2 -- ud1lo ud1hi x x S=adr, T=count, W=BASE, Y=char
+DDIGITQ SUB.B #30h,Y ;2 skip all chars < '0'
+ CMP.B #10,Y ;2 char was > "9" ?
+ JLO DDIGITQNEXT ;2 -- ud1lo ud1hi x x no: good end
+ SUB.B #07,Y ;2 skip all chars between "9" and "A"
+ CMP.B #10,Y ;2 char was < "A" ?
+ JLO TONUMEND ;2 yes: for bad end
+DDIGITQNEXT CMP W,Y ;1 -- ud1lo ud1hi x x digit-base
+ JHS TONUMEND ;2 U>=
+UDSTAR PUSHM #6,IP ;8 -- ud1lo ud1hi x x r-- IP adr count base x digit
+ MOV 2(PSP),S ;3 -- ud1lo ud1hi x x S=ud1hi
+ MOV W,TOS ;1 -- ud1lo ud1hi x base
+ MOV #UMSTARNEXT1,IP ;2
+UMSTARONE JMP UMSTAR1 ;2 ud1hi * base -- x ud3hi X=ud3lo
+UMSTARNEXT1 FORTHtoASM ; -- ud1lo ud1hi x ud3hi
+ MOV X,2(RSP) ;3 r-- IP adr count base ud3lo digit
+ MOV 4(PSP),S ;3 -- ud1lo ud1hi x ud3hi S=ud1lo
+ MOV 4(RSP),TOS ;3 -- ud1lo ud1hi x base
+ MOV #UMSTARNEXT2,IP ;2
+UMSTARTWO JMP UMSTAR1 ;2 -- ud1lo ud1hi x ud4hi X=ud4lo
+UMSTARNEXT2 FORTHtoASM ; -- ud1lo ud1hi x ud4hi
+ ADD @RSP+,X ;2 -- ud1lo ud1hi x ud4hi X=ud4lo+digit=ud2lo r-- IP adr count base ud3lo
+MPLUS ADDC @RSP+,TOS ;2 -- ud1lo ud1hi x ud2hi TOS=ud4hi+ud3lo+carry=ud2hi r-- IP adr count base
+ MOV X,4(PSP) ;3 -- ud2lo ud1hi x ud2hi
+ MOV TOS,2(PSP) ;3 -- ud2lo ud2hi x x r-- IP adr count base
+ POPM #4,IP ;6 -- ud2lo ud2hi x x W=base, T=count, S=adr, IP=prevIP r--
+TONUMPLUS ADD #1,S ;1
+ SUB #1,T ;1
+ JNZ TONUMLOOP ;2 -- ud2lo ud2hi x x S=adr+1, T=count-1, W=base 68 cycles char loop
+TONUMEND MOV S,0(PSP) ;3 -- ud2lo ud2hi adr2 count2
+ MOV T,TOS ;1 -- ud2lo ud2hi adr2 count2
+ mNEXT ;4 50/82 words/cycles, W = BASE
; convert a string to a signed number
;Z ?NUMBER c-addr -- n -1 if convert ok ; flag Z=0
;Z c-addr -- c-addr 0 if convert ko ; flag Z=1
; FORTH 2012 prefixes $, %, # are recognised
; 32 bits numbers (with decimal point) are recognised
-; fixed point signed numbers (with a comma) are recognised.
+; with FIXPOINT_INPUT switched ON, fixed point signed numbers (with a comma) are recognised.
; prefixes # % $ - are processed before calling >NUMBER, decimal point and comma are >NUMBER exits
; FORTHWORD "?NUMBER"
-QNUMBER: MOV #0,S ;1
- MOV &BASE,T ;3 T=BASE
- BIC #UF9,SR ;2 reset flag UF9 used here as decimal point flag
- .word 152Dh ;5 R-- IP sign base
- MOV #QNUMNEXT,IP ;2 define return from >NUMBER
- SUB #8,PSP ;1 -- x x x x c-addr
- MOV TOS,6(PSP) ;3 -- c-addr x x x c-addr
- MOV #0,4(PSP) ;3
- MOV #0,2(PSP) ;3 -- c-addr ud=0 x c-addr
- MOV TOS,S ;1
- MOV.B @S+,T ;2 -- c-addr ud=0 x x S=adr, T=count
- MOV.B @S,X ;2 X=char
- SUB.B #',',X ;2
- JHS QSIGN ;2 for current base, and for ',' or '.' process
- SUB.B #1,X ;1
-QBINARY MOV #2,&BASE ;3 preset base 2
- ADD.B #8,X ;1 '%' + 8 = '-' binary number ?
- JZ PREFIXED ;2
-QDECIMAL ADD #8,&BASE ;4
- ADD.B #2,X ;1 '#' + 2 = '%' decimal number ?
- JZ PREFIXED ;2
-QHEXA MOV #16,&BASE ;4
- SUB.B #1,X ;2 '$' - 1 = '#' hex number ?
- JNZ TONUMLOOP ;2 -- c-addr ud=0 x x other cases will cause error
-PREFIXED ADD #1,S ;1
- SUB #1,T ;1 -- c-addr ud=0 x x S=adr+1 T=count-1
- MOV.B @S,X ;2 X=2th char, W=adr
- SUB.B #',',X ;2
-QSIGN CMP.B #1,X ;1
- JNZ TONUMLOOP ;2 for positive number and for , or . process
- MOV #-1,2(RSP) ;3 R-- IP sign base
- JMP TONUMPLUS ;2
+QNUMBER BIC #UF9,SR ;2 reset flag UF9 used here as decimal point flag
+ MOV &BASE,T ;3 T=BASE
+ MOV #0,S ;1
+ PUSHM #3,IP ;5 R-- IP sign base
+ MOV #QNUMNEXT,IP ;2 define >NUMBER return
+ MOV T,W ;1 W=BASE
+ SUB #8,PSP ;1 -- x x x x c-addr
+ MOV TOS,6(PSP) ;3 -- c-addr x x x c-addr
+ MOV #0,4(PSP) ;3
+ MOV #0,2(PSP) ;3 -- c-addr ud=0 x c-addr
+ MOV TOS,S ;1
+ MOV.B @S+,T ;2 -- c-addr ud=0 x x S=adr, T=count
+ MOV.B @S,X ;2 X=char
+ SUB.B #',',X ;2
+ JHS QSIGN ;2 for current base, and for ',' or '.' process
+ SUB.B #1,X ;1
+QBINARY MOV #2,W ;1 preset base 2
+ ADD.B #8,X ;1 '%' + 8 = '-' binary number ?
+ JZ PREFIXED ;2
+QDECIMAL ADD #8,W ;1
+ ADD.B #2,X ;1 '#' + 2 = '%' decimal number ?
+ JZ PREFIXED ;2
+QHEXA MOV #16,W ;1
+ SUB.B #1,X ;2 '$' - 1 = '#' hex number ?
+ JNZ TONUMLOOP ;2 -- c-addr ud=0 x x other cases will cause error
+PREFIXED ADD #1,S ;1
+ SUB #1,T ;1 -- c-addr ud=0 x x S=adr+1 T=count-1
+ MOV.B @S,X ;2 X=2th char, W=adr
+ SUB.B #',',X ;2
+QSIGN CMP.B #1,X ;1 char= '-' ?
+ JNZ TONUMLOOP ;2 no (positive number or ',' or '.' )
+ MOV #-1,2(RSP) ;3 R-- IP sign base
+ JMP TONUMPLUS ;2
; ----------------------------------;45
QNUMNEXT FORTHtoASM ; -- c-addr ud2lo-hi addr2 cnt2 R-- IP sign BASE S=addr2,T=cnt2
- CMP #0,TOS ;1 cnt2=0 ? conversion is ok ?
- JZ QNUMNEXT1 ;2 yes
- BIS #UF9,SR ;2 set double number flag
-QNUMDP CMP.B #'.',0(S) ;4 rejected char by >NUMBER is a decimal point ?
- JNZ QS15Q16 ;2 no
-QNUMDPFOUND SUB #2,IP ;1 set >NUMBER return address
- JMP TONUMPLUS ;2 to terminate conversion
-QS15Q16 CMP.B #',',0(S) ;5 rejected char by >NUMBER is a comma ?
- JNZ QNUMNEXT1 ;2 no
-; ----------------------------------;
-S15Q16 MOV T,W ;1 -- c-addr ud2lo x x x W=cnt2
- MOV &BASE,T ;3 T=current base
- MOV #0,X ;1 -- c-addr ud2lo x 0 x init ud2lo' = 0
-S15Q16LOOP MOV X,2(PSP) ;3 -- c-addr ud2lo ud2lo' ud2lo' x X = 0(PSP) = ud2lo'
- SUB.B #1,W ;1 decrement cnt2
- MOV W,X ;1 X = cnt2-1
- ADD S,X ;1 X = end_of_string-1, first...
- MOV.B @X,X ;2 X = last char of string, first...
- SUB #30h,X ;2 char --> digit conversion
- CMP.B #10,X ;2
- JLO QS15Q16DIGI ;2
- SUB.B #7,X ;2
- CMP.B #10,X ;2
- JLO S15Q16EOC ;2
-QS15Q16DIGI CMP T,X ;1 R-- IP sign BASE is X a digit ?
- JHS S15Q16EOC ;2 -- c-addr ud2lo ud2lo' x ud2lo' if no
- MOV X,0(PSP) ;3 -- c-addr ud2lo ud2lo' digit x
- MOV T,TOS ;1 -- c-addr ud2lo ud2lo' digit base R-- IP sign base
- .word 152Ch ;6 PUSH S,T,W: R-- IP sign base addr2 base cnt2
- CALL #MUSMOD ;4 -- c-addr ud2lo ur uqlo uqhi
- .word 172Ah ;6 restore W,T,S: R-- IP sign BASE
- JMP S15Q16LOOP ;2 W=cnt
-S15Q16EOC MOV 4(PSP),2(PSP) ;5 -- c-addr ud2lo ud2lo uqlo x ud2lo from >NUMBER part1 becomes here ud2hi=S15 part2
- MOV @PSP,4(PSP) ;4 -- c-addr ud2lo ud2hi x x uqlo becomes ud2lo
- MOV W,TOS ;1 -- c-addr ud2lo ud2hi x cnt2
- CMP.B #0,TOS ;1 TOS = 0 if end of conversion char = ',' (happy end)
+ .IFDEF DOUBLE_INPUT
+ CMP #0,TOS ;1 cnt2=0 ? conversion is ok ?
+ JZ QNUMNEXT1 ;2 yes (neither comma nor point in string)
+ BIT #UF9,SR ;2 already flagged? (to discard repeated points or repeated commas)
+ JNZ QNUMNEXT1 ;2 abort
+ BIS #UF9,SR ;2 set double number flag
+ SUB #2,IP ;1 yes set >NUMBER return address
+QNUMDP CMP.B #'.',0(S) ;4 rejected char by >NUMBER is a decimal point ?
+ JZ TONUMPLUS ;2 to terminate conversion
+ .ENDIF ; DOUBLE_INPUT
+; ----------------------------------;52
+ .IFDEF FIXPOINT_INPUT ;
+ .IFNDEF DOUBLE_INPUT
+ CMP #0,TOS ;1 cnt2=0 : conversion is ok ?
+ JZ QNUMNEXT1 ;2 yes
+ BIT #UF9,SR ;2 already 1 ?
+ JNZ QNUMNEXT1 ;2 yes: end of conversion
+ BIS #UF9,SR ;2 set double number flag
+ .ENDIF
+QS15Q16 CMP.B #',',0(S) ;5 rejected char by >NUMBER is a comma ?
+ JNZ QNUMNEXT1 ;2 no
+S15Q16 MOV #0,X ;1 -- c-addr ud2lo x 0 x init ud2lo' = 0
+S15Q16LOOP MOV X,2(PSP) ;3 -- c-addr ud2lo ud2lo' ud2lo' x X = 0(PSP) = ud2lo'
+ SUB.B #1,T ;1 decrement cnt2
+ MOV T,X ;1 X = cnt2-1
+ ADD S,X ;1 X = end_of_string-1, first...
+ MOV.B @X,X ;2 X = last char of string, first...
+ SUB #30h,X ;2 char --> digit conversion
+ CMP.B #10,X ;2
+ JLO QS15Q16DIGI ;2
+ SUB.B #7,X ;2
+ CMP.B #10,X ;2
+ JLO S15Q16EOC ;2
+QS15Q16DIGI CMP W,X ;1 R-- IP sign BASE, W=BASE, is X a digit ?
+ JHS S15Q16EOC ;2 -- c-addr ud2lo ud2lo' x ud2lo' if no
+ MOV X,0(PSP) ;3 -- c-addr ud2lo ud2lo' digit x
+ MOV W,TOS ;1 -- c-addr ud2lo ud2lo' digit base R-- IP sign base
+ PUSHM #3,S ;5 PUSH S,T,W: R-- IP sign base addr2 cnt2 base
+ CALL #MUSMOD ;4 -- c-addr ud2lo ur uqlo uqhi
+ POPM #3,S ;5 restore W,T,S: R-- IP sign BASE
+ JMP S15Q16LOOP ;2 W=cnt
+S15Q16EOC MOV 4(PSP),2(PSP) ;5 -- c-addr ud2lo ud2lo uqlo x ud2lo from >NUMBER part1 becomes here ud2hi=S15 part2
+ MOV @PSP,4(PSP) ;4 -- c-addr ud2lo ud2hi x x uqlo becomes ud2lo
+ MOV T,TOS ;1 -- c-addr ud2lo ud2hi x cnt2
+ CMP.B #0,TOS ;1 TOS = 0 if end of conversion char = ',' (happy end)
+ .ENDIF
; ----------------------------------;97
-QNUMNEXT1 .word 0172Bh ;4 -- c-addr ud2lo-hi x cnt2 POPM T,S,IP S = sign flag = {-1;0}
- MOV S,TOS ;1 -- c-addr ud2lo-hi x sign
- MOV T,&BASE ;3
- JZ QNUMOK ;2 -- c-addr ud2lo-hi x sign conversion OK
-QNUMKO ADD #6,PSP ;1 -- c-addr sign
- AND #0,TOS ;1 -- c-addr ff TOS=0 and Z=1 ==> conversion ko
+QNUMNEXT1 POPM #3,IP ;4 -- c-addr ud2lo-hi x cnt2 POPM T,S,IP S = sign flag = {-1;0}
+ MOV S,TOS ;1 -- c-addr ud2lo-hi x sign
+ MOV T,&BASE ;3
+ JZ QNUMOK ;2 -- c-addr ud2lo-hi x sign conversion OK
+QNUMKO ADD #6,PSP ;1 -- c-addr sign
+ AND #0,TOS ;1 -- c-addr ff TOS=0 and Z=1 ==> conversion ko
mNEXT ;4
; ----------------------------------;
-QNUMOK ADD #2,PSP ;1 -- c-addr ud2lo-hi sign
- MOV 2(PSP),4(PSP) ; -- udlo udlo udhi sign
- MOV @PSP+,0(PSP) ;4 -- udlo udhi sign note : PSP is incremented before write back !!!
- XOR #-1,TOS ;1 -- udlo udhi inv(sign)
- JNZ QDOUBLE ;2 if jump : TOS=-1 and Z=0 ==> conversion ok
-Q2NEGATE XOR #-1,TOS ;1 -- udlo udhi tf
- XOR #-1,2(PSP) ;3 -- dlo-1 dhi-1 tf
- XOR #-1,0(PSP) ;3 -- dlo-1 udhi tf
- ADD #1,2(PSP) ;3 -- dlo dhi-1 tf
- ADDC #0,0(PSP) ;3 -- dlo dhi tf
-QDOUBLE BIT #UF9,SR ;2 decimal point added ?
- JNZ QNUMEND ;2 leave double
- ADD #2,PSP ;1 leave number
+QNUMOK ADD #2,PSP ;1 -- c-addr ud2lo-hi sign
+ MOV 2(PSP),4(PSP) ; -- udlo udlo udhi sign
+ MOV @PSP+,0(PSP) ;4 -- udlo udhi sign note : PSP is incremented before write back !!!
+ XOR #-1,TOS ;1 -- udlo udhi inv(sign)
+ JNZ QDOUBLE ;2 if jump : TOS=-1 and Z=0 ==> conversion ok
+Q2NEGATE XOR #-1,TOS ;1 -- udlo udhi tf
+ XOR #-1,2(PSP) ;3 -- dlo-1 dhi-1 tf
+ XOR #-1,0(PSP) ;3 -- dlo-1 udhi tf
+ ADD #1,2(PSP) ;3 -- dlo dhi-1 tf
+ ADDC #0,0(PSP) ;3 -- dlo dhi tf
+QDOUBLE BIT #UF9,SR ;2 decimal point added ?
+ JNZ QNUMEND ;2 leave double
+ ADD #2,PSP ;1 leave number
QNUMEND mNEXT ;4 TOS=-1 and Z=0 ==> conversion ok
; ----------------------------------;128 words
- .ENDIF ; MPY
+ .ENDIF ; of Hardware/Software MPY
;https://forth-standard.org/standard/core/EXECUTE
;C EXECUTE i*x xt -- j*x execute Forth word at 'xt'
FORTHWORD "EXECUTE"
-EXECUTE: MOV TOS,W ; 1 put word address into W
- MOV @PSP+,TOS ; 2 fetch new TOS
- MOV W,PC ; 3 fetch code address into PC
+EXECUTE MOV TOS,W ; 1 put word address into W
+ MOV @PSP+,TOS ; 2 fetch new TOS
+ MOV W,PC ; 3 fetch code address into PC
;https://forth-standard.org/standard/core/Comma
;C , x -- append cell to dict
FORTHWORD ","
-COMMA: MOV &DDP,W ;3
- ADD #2,&DDP ;3
- MOV TOS,0(W) ;3
- MOV @PSP+,TOS ;2
- mNEXT ;4 15~
+COMMA MOV &DDP,W ;3
+ ADD #2,&DDP ;3
+ MOV TOS,0(W) ;3
+ MOV @PSP+,TOS ;2
+ mNEXT ;4 15~
;https://forth-standard.org/standard/core/LITERAL
;C LITERAL (n|d) -- append single numeric literal if compiling state
; (n|d) -- append double numeric literal if compiling state and if UF9<>0 (not ANS)
- FORTHWORDIMM "LITERAL" ; immediate
-LITERAL: CMP #0,&STATE ;3
- JZ LITERALEND ;2
-LITERAL1 MOV &DDP,W ;3
- ADD #4,&DDP ;3
- MOV #lit,0(W) ;4
- MOV TOS,2(W) ;3
- MOV @PSP+,TOS ;2
- BIT #UF9,SR ;2
- BIC #UF9,SR ;2
- JNZ LITERAL1 ;2
-LITERALEND mNEXT ;4 30~
+ FORTHWORDIMM "LITERAL" ; immediate
+LITERAL CMP #0,&STATE ;3
+ JZ LITERALEND ;2 if not immediate, leave n|d on the stack
+LITERAL1 MOV &DDP,W ;3
+ ADD #4,&DDP ;3
+ MOV #lit,0(W) ;4
+ MOV TOS,2(W) ;3
+ MOV @PSP+,TOS ;2
+ .IFDEF DOUBLE_LITERAL
+ BIT #UF9,SR ;2
+ BIC #UF9,SR ;2
+ JZ LITERALEND ;2
+ MOV 2(W),X ;3
+ MOV TOS,2(W) ;3
+ MOV X,TOS ;1
+ JMP LITERAL1 ;2
+ .ENDIF
+LITERALEND mNEXT ;4
;https://forth-standard.org/standard/core/COUNT
;C COUNT c-addr1 -- adr len counted->adr/len
FORTHWORD "COUNT"
-COUNT: SUB #2,PSP ;1
- ADD #1,TOS ;1
- MOV TOS,0(PSP) ;3
- MOV.B -1(TOS),TOS ;3
- mNEXT ;4 15~
+COUNT SUB #2,PSP ;1
+ ADD #1,TOS ;1
+ MOV TOS,0(PSP) ;3
+ MOV.B -1(TOS),TOS ;3
+ mNEXT ;4 15~
+
+; : SETIB SOURCE 2! 0 >IN ! ; ; org len -- set Input Buffer, shared by INTERPRET and [ELSE]
+SETIB MOV TOS,&SOURCE_LEN ; -- org len
+ MOV @PSP+,&SOURCE_ADR ; -- len
+ MOV @PSP+,TOS ; --
+ MOV #0,&TOIN ;
+ mNEXT ;
;C INTERPRET i*x addr u -- j*x interpret given buffer
; This is the common factor of EVALUATE and QUIT.
-; Absent from forth 2012
-; set addr, u as input buffer then parse it word by word
-; FORTHWORD "INTERPRET"
-INTERPRET: MOV TOS,&SOURCE_LEN ; -- addr u buffer lentgh ==> ticksource variable
- MOV @PSP+,&SOURCE_ADR ; -- u buffer address ==> ticksource+2 variable
- MOV @PSP+,TOS ; --
- MOV #0,&TOIN ;
- mDOCOL ;
-INTLOOP .word FBLANK,WORDD ; -- c-addr Z = End Of Line
- FORTHtoASM ;
- MOV #INTFINDNEXT,IP ;2 define INTFINDNEXT as FIND return
- JNZ FIND ;2 if EOL not reached
- MOV @PSP+,TOS ; -- else EOL is reached
- MOV @RSP+,IP ; -- c-addr
- mNEXT ; return to QUIT on EOL
-
-INTFINDNEXT FORTHtoASM ; -- c-addr fl Z = not found
- MOV TOS,W ; W = flag =(-1|0|+1) as (normal|not_found|immediate)
- MOV @PSP+,TOS ; -- c-addr
- MOV #INTQNUMNEXT,IP ;2 define QNUMBER return
- JZ QNUMBER ;2 c-addr -- if not found search a number
- MOV #INTLOOP,IP ;2 define (EXECUTE | COMMA) return
- XOR &STATE,W ;3
- JZ COMMA ;2 c-addr -- if W xor STATE = 0 compile xt then loop back to INTLOOP
- JNZ EXECUTE ;2 c-addr -- if W xor STATE <>0 execute xt then loop back to INTLOOP
-
-INTQNUMNEXT FORTHtoASM ; -- n|c-addr fl Z = not a number, SR(UF9) double number request
- MOV @PSP+,TOS ;2
- MOV #INTLOOP,IP ;2 -- n|c-addr define LITERAL return
- JNZ LITERAL ;2 n -- execute LITERAL then loop back to INTLOOP
-NotFoundExe ADD.B #1,0(TOS) ;3 c-addr -- Not a Number : incr string count to add '?'
- MOV.B @TOS,Y ;2
- ADD TOS,Y ;1
- MOV.B #'?',0(Y) ;5 add '?' to end of word
- MOV #FQABORTYES,IP ;2 define COUNT return
- JMP COUNT ;2 -- addr len 44 words
+; set addr u as input buffer then parse it word by word
+INTERPRET mDOCOL ;
+ .word SETIB ; set SOURCE_LEN, SOURCE_ORG and clear >IN
+INTLOOP .word FBLANK,WORDD ; -- c-addr Z = End Of Line
+ FORTHtoASM ;
+ MOV #INTFINDNEXT,IP ;2 define INTFINDNEXT as FIND return
+ JNZ FIND ;2 Z=0, EOL not reached
+ JMP DROPEXIT ; Z=1, EOL reached
+
+INTFINDNEXT FORTHtoASM ; -- c-addr fl Z = not found
+ MOV TOS,W ; W = flag =(-1|0|+1) as (normal|not_found|immediate)
+ MOV @PSP+,TOS ; -- c-addr
+ MOV #INTQNUMNEXT,IP ;2 define QNUMBER return
+ JZ QNUMBER ;2 c-addr -- Z=1, not found, search a number
+ MOV #INTLOOP,IP ;2 define (EXECUTE | COMMA) return
+ XOR &STATE,W ;3
+ JZ COMMA ;2 c-addr -- if W xor STATE = 0 compile xt then loop back to INTLOOP
+ JNZ EXECUTE ;2 c-addr -- if W xor STATE <>0 execute xt then loop back to INTLOOP
+
+INTQNUMNEXT FORTHtoASM ; -- n|c-addr fl Z = not a number, SR(UF9) double number request
+ MOV @PSP+,TOS ;2
+ MOV #INTLOOP,IP ;2 -- n|c-addr define LITERAL return
+ JNZ LITERAL ;2 n -- Z=0, is a number, execute LITERAL then loop back to INTLOOP
+NotFoundExe ADD.B #1,0(TOS) ;3 c-addr -- Z=1, Not a Number : incr string count to add '?'
+ MOV.B @TOS,Y ;2 Y=count+1
+ ADD TOS,Y ;1 Y=end of string addr
+ MOV.B #'?',0(Y) ;5 add '?' to end of string
+ MOV #FQABORTYES,IP ;2 define COUNT return
+ JMP COUNT ;2 -- addr len 36 words
;https://forth-standard.org/standard/core/EVALUATE
; EVALUATE \ i*x c-addr u -- j*x interpret string
FORTHWORD "EVALUATE"
-EVALUATE: MOV #SOURCE_LEN,X ;2
- MOV @X+,S ;2 S = SOURCE_LEN
- MOV @X+,T ;2 T = SOURCE_ADR
- MOV @X+,W ;2 W = TOIN
- .word 153Dh ;6 PUSHM IP,S,T,W
+EVALUATE MOV #SOURCE_LEN,X ;2
+ MOV @X+,S ;2 S = SOURCE_LEN
+ MOV @X+,T ;2 T = SOURCE_ADR
+ MOV @X+,W ;2 W = TOIN
+ PUSHM #4,IP ;6 PUSHM IP,S,T,W
ASMtoFORTH
.word INTERPRET
FORTHtoASM
- MOV @RSP+,&TOIN ;4
- MOV @RSP+,&SOURCE_ADR ;4
- MOV @RSP+,&SOURCE_LEN ;4
- MOV @RSP+,IP ;2
- mNEXT
+ MOV @RSP+,&TOIN ;4
+ MOV @RSP+,&SOURCE_ADR ;4
+ MOV @RSP+,&SOURCE_LEN ;4
+ mSEMI
- .IFDEF SD_CARD_LOADER
- .IFDEF CONDCOMP
- .IFDEF BOOTLOADER
-BOOTLOAD
- .ENDIF
- .ENDIF
- .ENDIF
+ .IFDEF DEFER_QUIT ; defined in device.inc
+QUIT0 MOV #0,&SAVE_SYSRSTIV ; clear SAVE_SYSRSTIV, usefull for next ABORT...
+ MOV #RSTACK,RSP ; ANS mandatory for QUIT
+ MOV #LSTACK,&LEAVEPTR ;
+ MOV #0,&STATE ; ANS mandatory for QUIT
+ mNEXT
- .IFDEF BOOTLOAD ; IF BOOTLOADER
-;https://forth-standard.org/standard/core/QUIT
-;c BOOT -- jump to bootstrap then continues with (QUIT)
+;c BOOT -- load BOOT.4th file from SD_Card then loop to QUIT1
FORTHWORD "BOOT"
-BOOT MOV #RSTACK,RSP
- MOV #LSTACK,&LEAVEPTR
- MOV #0,&STATE
-; ----------------------------------;
-; BOOTSTRAP TEST ;
-; ----------------------------------;
- CMP #0,&SAVE_SYSRSTIV ; if WARM
- JZ QUIT0 ; no boostrap
- BIT.B #SD_CD,&SD_CDIN ; SD_memory in SD_Card module ?
- JNZ QUIT0 ; no
-; ----------------------------------;
-; BOOTSTRAP ; on SYSRSTIV <> 0
-; ----------------------------------;
- SUB #2,PSP ;
- MOV TOS,0(PSP) ;
- MOV &SAVE_SYSRSTIV,TOS ;
- MOV #0,&SAVE_SYSRSTIV ;
- ASMtoFORTH ;
- .IFDEF QUIETBOOT
- .word NOECHO ; warning ! your BOOT.4TH must to be finished with ECHO command!
- .ENDIF
+ CMP #0,&SAVE_SYSRSTIV ; = 0 if WARM
+ JZ BODYQUIT ; no boostrap if no reset event, default QUIT instead
+ BIT.B #SD_CD,&SD_CDIN ; SD_memory in SD_Card module ?
+ JNZ BODYQUIT ; if not, no bootstrap, default QUIT instead
+ SUB #2,PSP ;
+ MOV TOS,0(PSP) ;
+ MOV &SAVE_SYSRSTIV,TOS ; -- SAVE_SYSRSTIV TOS = reset event, for tests in BOOT.4TH
+ ASMtoFORTH ;
+ .IFDEF QUIETBOOT ;
+ .word NOECHO ; warning ! your BOOT.4TH must to be finished with ECHO command!
+ .ENDIF ;
+ .word QUIT0 ;
.word XSQUOTE ; -- addr u
- .byte 15,"LOAD\34 BOOT.4TH\34" ; issues error 2 if no such file...
- .word BRAN,QUIT4 ;
+ .byte 15,"LOAD\34 BOOT.4TH\34" ; LOAD" BOOT.4TH" issues error 2 if no such file...
+ .word BRAN,QUIT4 ; to interpret this string
; ----------------------------------;
;https://forth-standard.org/standard/core/QUIT
-;c QUIT -- interpret line by line the input stream, but may be redirected as here:
+;c QUIT -- interpret line by line the input stream, primary DEFERred word
+; to enable bootstrap type: ' BOOT IS QUIT
+; to disable bootstrap type: ' QUIT >BODY IS QUIT
+
FORTHWORD "QUIT"
-QUIT MOV #BOOT,PC
+QUIT MOV @PC+,PC ;3 Code Field Address (CFA) of QUIT
+PFAQUIT .word BODYQUIT ; Parameter Field Address (PFA) of QUIT
+BODYQUIT ASMtoFORTH ; BODY of QUIT = default execution of QUIT
+ .word QUIT0 ;
- FORTHWORD "(QUIT)"
-PARENQUIT
+ .ELSE ; if no BOOTLOADER, QUIT is not DEFERred
- .ELSE ; no BOOTLOADER
;https://forth-standard.org/standard/core/QUIT
;c QUIT -- interpret line by line the input stream
FORTHWORD "QUIT"
QUIT
+QUIT0 MOV #0,&SAVE_SYSRSTIV ; clear SAVE_SYSRSTIV, usefull for next ABORT...
+ MOV #RSTACK,RSP ; ANS mandatory for QUIT
+ MOV #LSTACK,&LEAVEPTR ;
+ MOV #0,&STATE ; ANS mandatory for QUIT
+ ASMtoFORTH ;
.ENDIF
- MOV #RSTACK,RSP
- MOV #LSTACK,&LEAVEPTR
- MOV #0,&STATE
-QUIT0 MOV #0,&SAVE_SYSRSTIV ;
- ASMtoFORTH
-QUIT1 .word XSQUOTE
- .byte 5,13,10,"ok " ; CR+LF + Forth prompt
-QUIT2 .word TYPE ; display it
-REFILL .word FCIB,DUP,CPL ; -- Org Org size
- .word ACCEPT ; -- Org len (len <= size)
- .word SPACE
-QUIT4 .word INTERPRET
- .word DEPTH,ZEROLESS
- .word XSQUOTE
- .byte 13,"stack empty! "
- .word QABORT
- .word lit,FRAM_FULL,HERE,ULESS
- .word XSQUOTE
- .byte 11,"FRAM full! "
- .word QABORT
- .word FSTATE,FETCH
- .word QBRAN,QUIT1 ; case of interpretion state
- .word XSQUOTE ; case of compilation state
- .byte 5,13,10," " ; CR+LF + 3 blanks
+
+QUIT1 .word XSQUOTE ;
+ .byte 5,13,10,"ok " ; CR+LF + Forth prompt
+QUIT2 .word TYPE ; display it
+ .word REFILL ; refill input buffer (one line)
+QUIT3 .word SPACE ;
+QUIT4 .word INTERPRET ; interpret this line
+ .word DEPTH,ZEROLESS ; stack empty test
+ .word XSQUOTE ; ABORT" stack empty! "
+ .byte 13,"stack empty! ";
+ .word QABORT ;
+QUIT5 .word lit,FRAM_FULL,HERE,ULESS ; FRAM full test
+ .word XSQUOTE ; ABORT" FRAM full! "
+ .byte 11,"FRAM full! ";
+ .word QABORT ;
+QUIT6 .word FSTATE,FETCH ; STATE @
+ .word QBRAN,QUIT1 ; 0= case of interpretion state
+ .word XSQUOTE ; 0<> case of compilation state
+ .byte 5,13,10," " ; CR+LF + 3 spaces
.word BRAN,QUIT2
;https://forth-standard.org/standard/core/ABORT
;C ABORT i*x -- R: j*x -- clear stack & QUIT
FORTHWORD "ABORT"
-ABORT: MOV #PSTACK,PSP
- JMP QUIT
-
-RefillUSBtime .equ int(frequency*2730) ; 2730*frequency ==> word size max value @ 24 MHz
+ABORT MOV #PSTACK,PSP
+ JMP QUIT
-;Z ?ABORT f c-addr u -- abort & print msg
+; define run-time part of ABORT"
+;Z ?ABORT f c-addr u -- abort & print msg,
; FORTHWORD "?ABORT"
-QABORT: CMP #0,2(PSP) ; -- f c-addr u flag test
-QABORTNO JZ THREEDROP
-
-QABORTYES MOV #4882h,&YEMIT ; -- c-addr u restore default YEMIT = set ECHO
-
- .IFDEF SD_CARD_LOADER ; close all handles
- MOV &CurrentHdl,T
-QABORTCLOSE CMP #0,T
- JZ QABORTCLOSEND
- MOV.B #0,HDLB_Token(T)
- MOV @T,T
- JMP QABORTCLOSE
-QABORTCLOSEND
-
- .ENDIF
+QABORT CMP #0,2(PSP) ; -- f c-addr u flag test
+ JNZ QABORTYES ;
+THREEDROP ADD #4,PSP ;
+ MOV @PSP+,TOS ;
+ mNEXT ;
+; ----------------------------------; QABORTYES = QABORT + 14
+QABORTYES CALL #QAB_DEFER ; init some variables, see WIPE
; ----------------------------------;
-QABORTYESNOECHO ; <== WARM jumps here, thus, if NOECHO, TERMINAL can be disconnected without freezing the app
+QABORT_SDCARD ; close all handles
; ----------------------------------;
- CALL #QAB_DEFER ; restore default deferred words ....else WARM and SLEEP.
+ .IFDEF SD_CARD_LOADER ;
+ MOV &CurrentHdl,T ;
+QABORTCLOSE CMP #0,T ;
+ JZ QABORTCLOSEND ;
+ MOV.B #0,HDLB_Token(T) ;
+ MOV @T,T ;
+ JMP QABORTCLOSE ;
+QABORTCLOSEND ;
+ .ENDIF ;
; ----------------------------------;
-QABORTTERM ; wait the end of source file downloading
+QABORT_TERM ; wait the end of downloading source file
; ----------------------------------;
- .IFDEF TERMINAL3WIRES ;
- BIT #UCTXIFG,&TERMIFG ; TX buffer empty ?
- JZ QABORTTERM ; no
- MOV #17,&TERMTXBUF ; yes move XON char into TX_buf
- .ENDIF ;
- .IFDEF TERMINAL4WIRES ;
- BIC.B #RTS,&HANDSHAKOUT ; set /RTS low (connected to /CTS pin of UARTtoUSB bridge)
- .ENDIF ;
-QABORTLOOP BIC #UCRXIFG,&TERMIFG ; reset TERMIFG(UCRXIFG)
- MOV #RefillUSBtime,Y ; 2730*36 = 98 ms : PL2303TA seems to be the slower USB device to refill its TX buffer.
-QABUSBLOOPJ MOV #8,X ; 1~ <-------+
+ CALL #RXON ; send XON and/or set RTS low
+QABORTLOOP BIC #UCRXIFG,&TERM_IFG ; clear UCRXIFG
+ MOV #int(frequency*2730),Y ; 2730*frequency ==> 65520 @ 24MHz
+QABUSBLOOPJ MOV #8,X ; 1~ <-------+ windows 10 seems very slow... ==> 2730*36 = 98ms delay
+ ADD X,X ; 1~ | linux seems very very slow... ==> 2730*69 = 188ms delay
QABUSBLOOPI NOP ; 1~ <---+ |
SUB #1,X ; 1~ | |
- JNZ QABUSBLOOPI ; 2~ > 4~ loop -+ |
+ JNZ QABUSBLOOPI ; 2~ 4~ loop ---+ |
SUB #1,Y ; 1~ |
- JNZ QABUSBLOOPJ ; 2~ --> 36~ loop --+
- BIT #UCRXIFG,&TERMIFG ; 4 new char in TERMXBUF after refill time out ?
- JNZ QABORTLOOP ; 2 yes, the input stream (download source file) is still active
-; ----------------------------------;
-; Display WARM/ABORT message ; no, the input stream is quiet (end of download source file)
+ JNZ QABUSBLOOPJ ; 2~ 36~/69~ loop --+
+ BIT #UCRXIFG,&TERM_IFG ; 4 new char in TERMRXBUF after refill delay ?
+ JNZ QABORTLOOP ; 2 yes, the input stream is still active: loop back
+; ----------------------------------; no, end of downloading source file
+; Display ABORT" message ; in reverse video mode
; ----------------------------------;
+QABORT_DISPLAY ; <== WARM jumps here
mDOCOL ;
+ .word ECHO ;
.word XSQUOTE ; -- c-addr u c-addr1 u1
- .byte 4,27,"[7m" ;
+ .byte 4,27,"[7m" ; type ESC[7m
.word TYPE ; -- c-addr u set reverse video
- .word TYPE ; -- type abort message
+ERRLINE .word lit,LINE,FETCH,QDUP;
+ .word QBRAN,ERRLINE_END; if LINE = 0
+ .word XSQUOTE ; displays the line where error occured
+ .byte 5,"line:" ;
+ .word TYPE ;
+ .word ONEMINUS ;
+ .word UDOT ;
+ERRLINE_END .word TYPE ; -- type abort message
.word XSQUOTE ; -- c-addr2 u2
.byte 4,27,"[0m" ;
.word TYPE ; -- set normal video
- .word FORTH,ONLY ; to quit assembler and so to abort any ASSEMBLER definitions
- .word DEFINITIONS ; reset CURRENT directory
- .word PWR_STATE ; wipe, if exist, not well finished definition and its previous MARKER
- .IFDEF LOWERCASE
- .word CAPS_ON ;
- .ENDIF
- .word ABORT ;
+; ----------------------------------;
+ .word PWR_STATE ; remove all words beyond PWR_HERE
+FABORT .word ABORT ; no return
+; ----------------------------------;
;https://forth-standard.org/standard/core/ABORTq
;C ABORT" i*x flag -- i*x R: j*x -- j*x flag=0
;C i*x flag -- R: j*x -- flag<>0
-
- FORTHWORDIMM "ABORT\34" ; immediate
-ABORTQUOTE: mDOCOL
+ FORTHWORDIMM "ABORT\34" ; immediate
+ABORTQUOTE mDOCOL ; ABORT address + 10
.word SQUOTE
.word lit,QABORT,COMMA
.word EXIT
-
;https://forth-standard.org/standard/core/Tick
;C ' -- xt find word in dictionary and leave on stack its execution address
FORTHWORD "'"
-TICK: mDOCOL ; separator -- xt
+TICK mDOCOL ; separator -- xt
.word FBLANK,WORDD,FIND ; Z=1 if not found
.word QBRAN,NotFound
.word EXIT
;https://forth-standard.org/standard/block/bs
; \ -- backslash
; everything up to the end of the current line is a comment.
- FORTHWORDIMM "\\" ; immediate
-BACKSLASH: MOV &SOURCE_LEN,&TOIN ;
+ FORTHWORDIMM "\\" ; immediate
+BACKSLASH MOV &SOURCE_LEN,&TOIN ;
mNEXT
;-------------------------------------------------------------------------------
;https://forth-standard.org/standard/core/Bracket
;C [ -- enter interpretative state
FORTHWORDIMM "[" ; immediate
-LEFTBRACKET: MOV #0,&STATE
+LEFTBRACKET MOV #0,&STATE
mNEXT
;https://forth-standard.org/standard/core/right-bracket
;C ] -- enter compiling state
FORTHWORD "]"
-RIGHTBRACKET: MOV #-1,&STATE
+RIGHTBRACKET MOV #-1,&STATE
mNEXT
;https://forth-standard.org/standard/core/BracketTick
;C ['] <name> -- find word & compile it as literal
- FORTHWORDIMM "[']" ; immediate word, i.e. word executed also during compilation
-BRACTICK: mDOCOL
+ FORTHWORDIMM "[']" ; immediate word, i.e. word executed during compilation
+BRACTICK mDOCOL
.word TICK ; get xt of <name>
.word lit,lit,COMMA ; append LIT action
.word COMMA,EXIT ; append xt literal
;https://forth-standard.org/standard/core/DEFERStore
-;C DEFER! xt CFA_DEFER -- ; store xt to the address after DODEFER
+;C DEFER! xt CFA_DEFER -- ; store xt into the PFA of DEFERed word
; FORTHWORD "DEFER!"
-DEFERSTORE: MOV @PSP+,2(TOS) ; -- CFA_DEFER xt --> [CFA_DEFER+2]
- MOV @PSP+,TOS ; --
+DEFERSTORE MOV @PSP+,2(TOS) ; -- CFA_DEFER xt --> [CFA_DEFER+2]
+ MOV @PSP+,TOS ; --
mNEXT
;https://forth-standard.org/standard/core/IS
; DEFER DISPLAY create a "do nothing" definition (2 CELLS)
; inline command : ' U. IS DISPLAY U. becomes the runtime of the word DISPLAY
; or in a definition : ... ['] U. IS DISPLAY ...
-; KEY, EMIT, CR, ACCEPT and WARM are DEFERred words
+; KEY, EMIT, CR, ACCEPT and WARM are examples of DEFERred words
-; as IS replaces the PFA value of a "PFA word", it may be also used with VARIABLE and CONSTANT words...
+; as IS replaces the PFA value of a "PFA word", it may be also used as TO for VARIABLE (and CONSTANT!) words...
FORTHWORDIMM "IS" ; immediate
-IS: mDOCOL
- .word FSTATE,FETCH
- .word QBRAN,IS_EXEC
-IS_COMPILE .word BRACTICK ; find the word, compile its CFA as literal
- .word lit,DEFERSTORE,COMMA ; compile DEFERSTORE
- .word EXIT
-IS_EXEC .word TICK,DEFERSTORE ; find the word, leave its CFA on the stack and execute DEFERSTORE
- .word EXIT
+IS mDOCOL
+ .word FSTATE,FETCH ; STATE @
+ .word QBRAN,IS_EXEC ; if = 0
+IS_COMPILE .word BRACTICK ; find the word, compile its CFA as literal
+ .word lit,DEFERSTORE,COMMA; compile DEFERSTORE
+ .word EXIT ;
+IS_EXEC .word TICK,DEFERSTORE ; find the word, leave its CFA on the stack and
+ .word EXIT ; put it into PFA of DEFERed word, then exit.
;https://forth-standard.org/standard/core/IMMEDIATE
;C IMMEDIATE -- make last definition immediate
FORTHWORD "IMMEDIATE"
-IMMEDIATE: MOV &LAST_NFA,W
- BIS.B #80h,0(W)
+IMMEDIATE MOV &LAST_NFA,W
+ BIS.B #80h,0(W)
mNEXT
;https://forth-standard.org/standard/core/RECURSE
;C RECURSE -- recurse to current definition (compile current definition)
FORTHWORDIMM "RECURSE" ; immediate
-RECURSE: MOV &DDP,X ;
- MOV &LAST_CFA,0(X) ;
- ADD #2,&DDP ;
+RECURSE MOV &DDP,X ;
+ MOV &LAST_CFA,0(X) ;
+ ADD #2,&DDP ;
mNEXT
-
;https://forth-standard.org/standard/core/POSTPONE
FORTHWORDIMM "POSTPONE" ; immediate
-POSTPONE: mDOCOL
+POSTPONE mDOCOL
.word FBLANK,WORDD,FIND,QDUP
.word QBRAN,NotFound
.word ZEROLESS ; immediate ?
.word QBRAN,POST1 ; yes
.word lit,lit,COMMA,COMMA
.word lit,COMMA
-POST1: .word COMMA,EXIT
+POST1 .word COMMA,EXIT
+;https://forth-standard.org/standard/core/Semi
+;C ; -- end a colon definition
+ FORTHWORDIMM ";" ; immediate
+SEMICOLON CMP #0,&STATE ; if interpret mode, semicolon becomes a comment separator
+ JZ BACKSLASH ; tip: ";" is transparent to the preprocessor, so semicolon comments are kept in file.4th
+ mDOCOL ; compile mode
+ .word lit,EXIT,COMMA
+ .word QREVEAL,LEFTBRACKET,EXIT
+
+ .IFDEF NONAME
+;https://forth-standard.org/standard/core/ColonNONAME
+;CE :NONAME -- xt
+ FORTHWORD ":NONAME"
+COLONNONAME SUB #2,PSP
+ MOV TOS,0(PSP)
+ MOV &DDP,TOS ; -- xt
+ MOV TOS,W ; W=CFA
+ MOV #PAIN,X ;2 MOV Y,0(X) writes to PAIN read only register = first lure for semicolon REVEAL...
+ MOV #PAOUT,Y ;2 MOV @X,-2(Y) writes to PAIN register = 2th lure for semicolon REVEAL...
+ CALL #HEADEREND ; ...because we don't want write a preamble of word in dictionnary!
+ .ENDIF ; NONAME
+
+;-----------------------------------; common part of NONAME and :
+COLONNEXT
+ .SWITCH DTC
+ .CASE 1
+ MOV #DOCOL1,-4(W) ; compile CALL rDOCOL
+ SUB #2,&DDP
+ .CASE 2
+ MOV #DOCOL1,-4(W) ; compile PUSH IP 3~
+ MOV #DOCOL2,-2(W) ; compile CALL rEXIT
+ .CASE 3 ; inlined DOCOL
+ MOV #DOCOL1,-4(W) ; compile PUSH IP 3~
+ MOV #DOCOL2,-2(W) ; compile MOV PC,IP 1~
+ MOV #DOCOL3,0(W) ; compile ADD #4,IP 1~
+ MOV #NEXT,+2(W) ; compile MOV @IP+,PC 4~
+ ADD #4,&DDP
+ .ENDCASE ; of DTC
+ MOV #-1,&STATE ; enter compiling state
+SAVE_PSP MOV PSP,&LAST_PSP ; save PSP for check compiling, used by QREVEAL
+PFA_DEFER mNEXT
+;-----------------------------------;
-;;Z ?REVEAL -- if no stack mismatch, link this created word in the CURRENT vocabulary
-; FORTHWORD "REVEAL"
-QREVEAL: CMP PSP,&LAST_PSP ; Check SP with its saved value by :
- JZ GOOD_CSP ; if no stack mismatch. See MARKER below
-BAD_CSP mDOCOL
- .word XSQUOTE
- .byte 15,"stack mismatch!"
-FQABORTYES .word QABORTYES
+
+;https://forth-standard.org/standard/core/Colon
+;C : <name> -- begin a colon definition
+ FORTHWORD ":"
+COLON PUSH #COLONNEXT ; define COLONNEXT as RET for HEADER
; HEADER create an header for a new word. Max count of chars = 126
-; common code for VARIABLE, CONSTANT, CREATE, DEFER, :, MARKER, CODE, ASM.
-; don't link created word in vocabulary.
-HEADER: mDOCOL
- .word CELLPLUSALIGN ; ALIGN then make room for LFA
+; common code for DEFER, VARIABLE, CONSTANT, CREATE, :, MARKER, CODE, ASM.
+; doesn't link the created word in vocabulary.
+HEADER mDOCOL
+ .word CELLPLUSALIGN ; align and make room for LFA
.word FBLANK,WORDD ;
FORTHtoASM ; -- HERE HERE is the NFA of this new word
+ MOV @RSP+,IP
MOV TOS,Y ;
MOV.B @TOS+,W ; -- xxx W=Count_of_chars Y=NFA
BIS.B #1,W ; -- xxx W=count is always odd
.SWITCH THREADS
.CASE 1 ; nothing to do
.ELSECASE ; multithreading add 5~ 4words
- MOV.B @TOS,TOS ; -- xxx TOS=first CHAR of new word
+ MOV.B @TOS,TOS ; -- xxx TOS=first CHAR of new word
AND #(THREADS-1)*2,TOS ; -- xxx TOS= Thread offset
- ADD TOS,X ; -- xxx TOS= Thread X=VOC_PFAx = thread x of VOC_PFA of CURRENT
+ ADD TOS,X ; -- xxx TOS= Thread X=VOC_PFAx = thread x of VOC_PFA of CURRENT
.ENDCASE
- MOV Y,&LAST_NFA ; -- xxx NFA --> LAST_NFA used by QREVEAL, IMMEDIATE
- MOV X,&LAST_THREAD ; -- xxx VOC_PFAx --> LAST_THREAD used by QREVEAL
- MOV W,&LAST_CFA ; -- xxx HERE=CFA --> LAST_CFA used by DOES>, RECURSE
- ADD #4,W ; -- xxx by default make room for two words...
- MOV W,&DDP ; -- xxx
- MOV @PSP+,TOS ; --
- MOV @RSP+,IP
- MOV @RSP+,PC ; 23 words, W is the new DDP value )
+ MOV @PSP+,TOS ; --
+ MOV #4030h,0(W) ;4 by default, HEADER create a DEFERred word: CFA = MOV @PC+,PC = BR mNEXT
+ MOV #PFA_DEFER,2(W) ;4 by default, HEADER create a DEFERred word: PFA = address of mNEXT to do nothing.
+
+HEADEREND MOV Y,&LAST_NFA ; -- NFA --> LAST_NFA used by QREVEAL, IMMEDIATE, MARKER
+ MOV X,&LAST_THREAD ; -- VOC_PFAx --> LAST_THREAD used by QREVEAL
+ MOV W,&LAST_CFA ; -- HERE=CFA --> LAST_CFA used by DOES>, RECURSE
+ ADD #4,W ; -- by default make room for two words...
+ MOV W,&DDP ; --
+ RET ; 30 words, W is the new DDP value )
; X is LAST_THREAD > used by VARIABLE, CONSTANT, CREATE, DEFER and :
; Y is NFA )
+ .IFDEF CONDCOMP
+; ------------------------------------------------------------------------------
+; forthMSP430FR : CONDITIONNAL COMPILATION
+; ------------------------------------------------------------------------------
+ .include "forthMSP430FR_CONDCOMP.asm"
+
+ ; compile COMPARE [THEN] [ELSE] [IF] [UNDEFINED] [DEFINED] MARKER
+
+; ------------------------------------------------------------------------------
+ .ENDIF
+
+GOOD_CSP MOV &LAST_NFA,Y ; GOOD_CSP is the end of word MARKER
+ MOV &LAST_THREAD,X ;
+REVEAL MOV @X,-2(Y) ; [LAST_THREAD] --> LFA (for NONAME: [LAST_THREAD] --> PAIN)
+ MOV Y,0(X) ; LAST_NFA --> [LAST_THREAD] (for NONAME: LAST_NFA --> PAIN)
+ mNEXT
+
+;;Z ?REVEAL -- if no stack mismatch, link this new word in the CURRENT vocabulary
+; FORTHWORD "REVEAL"
+QREVEAL CMP PSP,&LAST_PSP ; Check SP with its saved value by :
+ JZ GOOD_CSP ; if no stack mismatch.
+BAD_CSP mDOCOL
+ .word XSQUOTE
+ .byte 15,"stack mismatch!"
+FQABORTYES .word QABORTYES
+
;https://forth-standard.org/standard/core/VARIABLE
;C VARIABLE <name> -- define a Forth VARIABLE
FORTHWORD "VARIABLE"
-VARIABLE: CALL #HEADER ; W = DDP = CFA + 2 words
- MOV #DOVAR,-4(W) ; CFA = DOVAR
- JMP REVEAL ; PFA = undefined
+VARIABLE CALL #HEADER ; W = DDP = CFA + 2 words
+ MOV #DOVAR,-4(W) ; CFA = DOVAR, PFA is undefined
+ JMP REVEAL ; to link created VARIABLE in vocabulary
;https://forth-standard.org/standard/core/CONSTANT
-;C CONSTANT <name> n -- define a Forth CONSTANT (it's also an alias of VALUE)
+;C CONSTANT <name> n -- define a Forth CONSTANT (and also a Forth VALUE)
FORTHWORD "CONSTANT"
-CONSTANT: CALL #HEADER ; W = DDP = CFA + 2 words
- MOV #DOCON,-4(W) ; CFA = DOCON
- MOV TOS,-2(W) ; PFA = n
- MOV @PSP+,TOS
- JMP REVEAL
+CONSTANT CALL #HEADER ; W = DDP = CFA + 2 words
+ MOV #DOCON,-4(W) ; CFA = DOCON
+ MOV TOS,-2(W) ; PFA = n
+ MOV @PSP+,TOS
+ JMP REVEAL ; to link created CONSTANT in vocabulary
;;https://forth-standard.org/standard/core/VALUE
;;( x "<spaces>name" -- ) define a Forth VALUE
-;;Skip leading space delimiters. Parse name delimited by a space.
+;;Skip leading space delimiters. Parse name delimited by a space.
;;Create a definition for name with the execution semantics defined below,
;;with an initial value equal to x.
;
;;Place x on the stack. The value of x is that given when name was created,
;;until the phrase x TO name is executed, causing a new value of x to be assigned to name.
;
-; FORTHWORD "VALUE" ; is an alias of CONSTANT
+; FORTHWORD "VALUE" ; VALUE is an alias of CONSTANT
; JMP CONSTANT
;
;;TO name Run-time: ( x -- )
;;Assign the value x to name.
;
-; FORTHWORDIMM "TO" ; is an alias of IS
+; FORTHWORDIMM "TO" ; TO is an alias of IS
; JMP IS
+; usage : SDIB_ORG IS CIB ; modify Current_Input_Buffer address to read a SD file sector
+; ...
+; TIB_ORG IS CIB ; restore Terminal_Input_Buffer address as Current_Input_Buffer address
;https://forth-standard.org/standard/core/CREATE
;C CREATE <name> -- define a CONSTANT with its next address
; Execution: ( -- a-addr ) ; a-addr is the address of name's data field
; ; the execution semantics of name may be extended by using DOES>
FORTHWORD "CREATE"
-CREATE: CALL #HEADER ; -- W = DDP
- MOV #DOCON,-4(W) ;4 CFA = DOCON
- MOV W,-2(W) ;3 PFA = next address
- JMP REVEAL
+CREATE CALL #HEADER ; -- W = DDP
+ MOV #DOCON,-4(W) ;4 -4(W) = CFA = DOCON
+ MOV W,-2(W) ;3 -2(W) = PFA = W = next address
+ JMP REVEAL ; to link created word in vocabulary
;https://forth-standard.org/standard/core/DOES
;C DOES> -- set action for the latest CREATEd definition
FORTHWORD "DOES>"
-DOES: MOV &LAST_CFA,W ; W = CFA of latest CREATEd word that becomes a master word
- MOV #DODOES,0(W) ; replace old CFA (DOCON) by new CFA (DODOES)
- MOV IP,2(W) ; replace old PFA by the address after DOES> as execution address
- MOV @RSP+,IP ; exit of the new created word
-NEXTADR mNEXT
+DOES MOV &LAST_CFA,W ; W = CFA of CREATEd word
+ MOV #DODOES,0(W) ; replace CFA (DOCON) by new CFA (DODOES)
+ MOV IP,2(W) ; replace PFA by the address after DOES> as execution address
+ mSEMI ; exit of the new created word
;https://forth-standard.org/standard/core/DEFER
-;C DEFER "<spaces>name" --
-;Skip leading space delimiters. Parse name delimited by a space.
+;C DEFER "<spaces>name" --
+;Skip leading space delimiters. Parse name delimited by a space.
;Create a definition for name with the execution semantics defined below.
-;name Execution: --
-;Execute the xt that name is set to execute, i.e. NEXT (nothing),
+;name Execution: --
+;Execute the xt that name is set to execute, i.e. NEXT (nothing),
;until the phrase ' word IS name is executed, causing a new value of xt to be assigned to name.
FORTHWORD "DEFER"
-DEFER: CALL #HEADER
- MOV #4030h,-4(W) ;4 CFA = MOV @PC+,PC = BR...
- MOV #NEXTADR,-2(W) ;4 PFA = address of NEXT: created word does nothing by default
- JMP REVEAL
+DEFER PUSH #REVEAL ; to link created DEFER word in vocabulary
+ JMP HEADER ; that create a secondary DEFERed word (whithout default code)
-
-;https://forth-standard.org/standard/core/Colon
-;C : <name> -- begin a colon definition
- FORTHWORD ":"
- COLON: CALL #HEADER
-
- .SWITCH DTC
- .CASE 1
- MOV #DOCOL1,-4(W) ; compile CALL rDOCOL
- SUB #2,&DDP
- .CASE 2
- MOV #DOCOL1,-4(W) ; compile PUSH IP 3~
- MOV #DOCOL2,-2(W) ; compile CALL rEXIT
- .CASE 3 ; inlined DOCOL
- MOV #DOCOL1,-4(W) ; compile PUSH IP 3~
- MOV #DOCOL2,-2(W) ; compile MOV PC,IP 1~
- MOV #DOCOL3,0(W) ; compile ADD #4,IP 1~
- MOV #NEXT,+2(W) ; compile MOV @IP+,PC 4~
- ADD #4,&DDP
- .ENDCASE ; of DTC
- MOV #-1,&STATE ; enter compiling state
-SAVE_PSP MOV PSP,&LAST_PSP ; save PSP for check compiling, used by QREVEAL
+;https://forth-standard.org/standard/core/toBODY
+; >BODY -- addr leave BODY of a CREATEd word or of a primary DEFERred word
+ FORTHWORD ">BODY"
+ ADD #4,TOS
mNEXT
-;https://forth-standard.org/standard/core/Semi
-;C ; -- end a colon definition
- FORTHWORDIMM ";" ; immediate
-SEMICOLON: CMP #0,&STATE ; interpret mode : semicolon becomes a comment separator
- JZ BACKSLASH ; tip: ";" is transparent to the preprocessor, so semicolon comments are kept in file.4th
- mDOCOL ; compile mode
- .word lit,EXIT,COMMA
- .word QREVEAL,LEFTBRACKET,EXIT
-
- .IFDEF CONDCOMP
-;; CORE EXT MARKER
-;;https://forth-standard.org/standard/core/MARKER
-;;( "<spaces>name" -- )
-;;Skip leading space delimiters. Parse name delimited by a space. Create a definition for name
-;;with the execution semantics defined below.
-
-;;name Execution: ( -- )
-;;Restore all dictionary allocation and search order pointers to the state they had just prior to the
-;;definition of name. Remove the definition of name and all subsequent definitions. Restoration
-;;of any structures still existing that could refer to deleted definitions or deallocated data space is
-;;not necessarily provided. No other contextual information such as numeric base is affected
-
-MARKER_DOES FORTHtoASM ; execution part
- MOV @RSP+,IP ; -- PFA
- MOV @TOS+,&INIVOC ; set VOC_LINK value for RST_STATE
- MOV @TOS,&INIDP ; set DP value for RST_STATE
- MOV @PSP+,TOS ; --
- JMP RST_STATE ; execute RST_STATE, PWR_STATE then STATE_DOES
-
- FORTHWORD "MARKER" ; definition part
- CALL #HEADER ;4 W = DP+4
- MOV #DODOES,-4(W) ;4 CFA = DODOES
- MOV #MARKER_DOES,-2(W) ;4 PFA = MARKER_DOES
- MOV &LASTVOC,0(W) ;5 [BODY] = VOCLINK to be restored
- SUB #2,Y ;1 Y = LFA
- MOV Y,2(W) ;3 [BODY+2] = LFA = DP to be restored
- ADD #4,&DDP ;3
-
- .ENDIF ; CONDCOMP
-
-GOOD_CSP MOV &LAST_NFA,Y ;
- MOV &LAST_THREAD,X ;
-REVEAL MOV @X,-2(Y) ; [LAST_THREAD] --> LFA
- MOV Y,0(X) ; LAST_NFA --> [LAST_THREAD]
- mNEXT
-
-
-; ----------------------------------------------------------------------
+; ------------------------------------------------------------------------------
; CONTROL STRUCTURES
-; ----------------------------------------------------------------------
+; ------------------------------------------------------------------------------
; THEN and BEGIN compile nothing
; DO compile one word
; IF, ELSE, AGAIN, UNTIL, WHILE, REPEAT, LOOP & +LOOP compile two words
;https://forth-standard.org/standard/core/IF
;C IF -- IFadr initialize conditional forward branch
FORTHWORDIMM "IF" ; immediate
-IFF: SUB #2,PSP ;
- MOV TOS,0(PSP) ;
- MOV &DDP,TOS ; -- HERE
- ADD #4,&DDP ; compile one word, reserve one word
- MOV #QBRAN,0(TOS) ; -- HERE compile QBRAN
-CELLPLUS ADD #2,TOS ; -- HERE+2=IFadr
+IFF SUB #2,PSP ;
+ MOV TOS,0(PSP) ;
+ MOV &DDP,TOS ; -- HERE
+ ADD #4,&DDP ; compile one word, reserve one word
+ MOV #QBRAN,0(TOS) ; -- HERE compile QBRAN
+CELLPLUS ADD #2,TOS ; -- HERE+2=IFadr
mNEXT
-
;https://forth-standard.org/standard/core/ELSE
;C ELSE IFadr -- ELSEadr resolve forward IF branch, leave ELSEadr on stack
FORTHWORDIMM "ELSE" ; immediate
-ELSS: ADD #4,&DDP ; make room to compile two words
- MOV &DDP,W ; W=HERE+4
- MOV #bran,-4(W)
- MOV W,0(TOS) ; HERE+4 ==> [IFadr]
- SUB #2,W ; HERE+2
- MOV W,TOS ; -- ELSEadr
+ELSS ADD #4,&DDP ; make room to compile two words
+ MOV &DDP,W ; W=HERE+4
+ MOV #bran,-4(W)
+ MOV W,0(TOS) ; HERE+4 ==> [IFadr]
+ SUB #2,W ; HERE+2
+ MOV W,TOS ; -- ELSEadr
mNEXT
;https://forth-standard.org/standard/core/THEN
;C THEN IFadr -- resolve forward branch
FORTHWORDIMM "THEN" ; immediate
-THEN: MOV &DDP,0(TOS) ; -- IFadr
- MOV @PSP+,TOS ; --
+THEN MOV &DDP,0(TOS) ; -- IFadr
+ MOV @PSP+,TOS ; --
mNEXT
;https://forth-standard.org/standard/core/BEGIN
;C BEGIN -- BEGINadr initialize backward branch
FORTHWORDIMM "BEGIN" ; immediate
-BEGIN: MOV #HERE,PC ; BR HERE
+BEGIN MOV #HERE,PC ; BR HERE
;https://forth-standard.org/standard/core/UNTIL
;C UNTIL BEGINadr -- resolve conditional backward branch
FORTHWORDIMM "UNTIL" ; immediate
-UNTIL: MOV #qbran,X
-UNTIL1 ADD #4,&DDP ; compile two words
- MOV &DDP,W ; W = HERE
- MOV X,-4(W) ; compile Bran or qbran at HERE
- MOV TOS,-2(W) ; compile bakcward adr at HERE+2
- MOV @PSP+,TOS
+UNTIL MOV #qbran,X
+UNTIL1 ADD #4,&DDP ; compile two words
+ MOV &DDP,W ; W = HERE
+ MOV X,-4(W) ; compile Bran or qbran at HERE
+ MOV TOS,-2(W) ; compile bakcward adr at HERE+2
+ MOV @PSP+,TOS
mNEXT
;https://forth-standard.org/standard/core/AGAIN
;X AGAIN BEGINadr -- resolve uncondionnal backward branch
FORTHWORDIMM "AGAIN" ; immediate
-AGAIN: MOV #bran,X
- JMP UNTIL1
+AGAIN MOV #bran,X
+ JMP UNTIL1
;https://forth-standard.org/standard/core/WHILE
;C WHILE BEGINadr -- WHILEadr BEGINadr
FORTHWORDIMM "WHILE" ; immediate
-WHILE: mDOCOL
+WHILE mDOCOL
.word IFF,SWAP,EXIT
;https://forth-standard.org/standard/core/REPEAT
;C REPEAT WHILEadr BEGINadr -- resolve WHILE loop
FORTHWORDIMM "REPEAT" ; immediate
-REPEAT: mDOCOL
+REPEAT mDOCOL
.word AGAIN,THEN,EXIT
;https://forth-standard.org/standard/core/DO
;C DO -- DOadr L: -- 0
FORTHWORDIMM "DO" ; immediate
-DO: SUB #2,PSP ;
- MOV TOS,0(PSP) ;
- ADD #2,&DDP ; make room to compile xdo
- MOV &DDP,TOS ; -- HERE+2
- MOV #xdo,-2(TOS) ; compile xdo
- ADD #2,&LEAVEPTR ; -- HERE+2 LEAVEPTR+2
- MOV &LEAVEPTR,W ;
- MOV #0,0(W) ; -- HERE+2 L-- 0
+DO SUB #2,PSP ;
+ MOV TOS,0(PSP) ;
+ ADD #2,&DDP ; make room to compile xdo
+ MOV &DDP,TOS ; -- HERE+2
+ MOV #xdo,-2(TOS) ; compile xdo
+ ADD #2,&LEAVEPTR ; -- HERE+2 LEAVEPTR+2
+ MOV &LEAVEPTR,W ;
+ MOV #0,0(W) ; -- HERE+2 L-- 0
mNEXT
;https://forth-standard.org/standard/core/LOOP
;C LOOP DOadr -- L-- an an-1 .. a1 0
FORTHWORDIMM "LOOP" ; immediate
-LOO: MOV #xloop,X
-ENDLOOP ADD #4,&DDP ; make room to compile two words
- MOV &DDP,W
- MOV X,-4(W) ; xloop --> HERE
- MOV TOS,-2(W) ; DOadr --> HERE+2
+LOO MOV #xloop,X
+LOOPNEXT ADD #4,&DDP ; make room to compile two words
+ MOV &DDP,W
+ MOV X,-4(W) ; xloop --> HERE
+ MOV TOS,-2(W) ; DOadr --> HERE+2
; resolve all "leave" adr
-LEAVELOOP MOV &LEAVEPTR,TOS ; -- Adr of top LeaveStack cell
- SUB #2,&LEAVEPTR ; --
- MOV @TOS,TOS ; -- first LeaveStack value
- CMP #0,TOS ; -- = value left by DO ?
- JZ ENDLOOPEND
- MOV W,0(TOS) ; move adr after loop as UNLOOP adr
- JMP LEAVELOOP
-ENDLOOPEND MOV @PSP+,TOS
+LEAVELOOP MOV &LEAVEPTR,TOS ; -- Adr of top LeaveStack cell
+ SUB #2,&LEAVEPTR ; --
+ MOV @TOS,TOS ; -- first LeaveStack value
+ CMP #0,TOS ; -- = value left by DO ?
+ JZ LOOPEND
+ MOV W,0(TOS) ; move adr after loop as UNLOOP adr
+ JMP LEAVELOOP
+LOOPEND MOV @PSP+,TOS
mNEXT
;https://forth-standard.org/standard/core/PlusLOOP
;C +LOOP adrs -- L-- an an-1 .. a1 0
FORTHWORDIMM "+LOOP" ; immediate
-PLUSLOOP: MOV #xploop,X
- JMP ENDLOOP
+PLUSLOOP MOV #xploop,X
+ JMP LOOPNEXT
;https://forth-standard.org/standard/core/LEAVE
;C LEAVE -- L: -- adrs
FORTHWORDIMM "LEAVE" ; immediate
-LEAV: MOV &DDP,W ; compile three words
- MOV #UNLOOP,0(W) ; [HERE] = UNLOOP
- MOV #BRAN,2(W) ; [HERE+2] = BRAN
- ADD #6,&DDP ; [HERE+4] = take word for AfterLOOPadr
- ADD #2,&LEAVEPTR
- ADD #4,W
- MOV &LEAVEPTR,X
- MOV W,0(X) ; leave HERE+4 on LEAVEPTR stack
+LEAV MOV &DDP,W ; compile three words
+ MOV #UNLOOP,0(W) ; [HERE] = UNLOOP
+ MOV #BRAN,2(W) ; [HERE+2] = BRAN
+ ADD #6,&DDP ; [HERE+4] = After LOOP adr
+ ADD #2,&LEAVEPTR
+ ADD #4,W
+ MOV &LEAVEPTR,X
+ MOV W,0(X) ; leave HERE+4 on LEAVEPTR stack
mNEXT
;https://forth-standard.org/standard/core/MOVE
;C MOVE addr1 addr2 u -- smart move
; VERSION FOR 1 ADDRESS UNIT = 1 CHAR
FORTHWORD "MOVE"
-MOVE: MOV TOS,W ; 1
- MOV @PSP+,Y ; dest adrs
- MOV @PSP+,X ; src adrs
- MOV @PSP+,TOS ; pop new TOS
- CMP #0,W
- JZ MOVE_X ; already made !
- CMP X,Y ; Y-X ; dst - src
- JZ MOVE_X ; already made !
- JC MOVEUP ; U>= if dst > src
-MOVEDOWN MOV.B @X+,0(Y) ; if X=src > Y=dst copy W bytes down
- ADD #1,Y
- SUB #1,W
- JNZ MOVEDOWN
+MOVE MOV TOS,W ; 1
+ MOV @PSP+,Y ; dest adrs
+ MOV @PSP+,X ; src adrs
+ MOV @PSP+,TOS ; pop new TOS
+ CMP #0,W
+ JZ MOVE_X ; already made !
+ CMP X,Y ; Y-X ; dst - src
+ JZ MOVE_X ; already made !
+ JC MOVEUP ; U>= if dst > src
+MOVEDOWN MOV.B @X+,0(Y) ; if X=src > Y=dst copy W bytes down
+ ADD #1,Y
+ SUB #1,W
+ JNZ MOVEDOWN
mNEXT
-MOVEUP ADD W,Y ; start at end
- ADD W,X
-MOVUP1 SUB #1,X
- SUB #1,Y
-MOVUP2 MOV.B @X,0(Y) ; if X=src < Y=dst copy W bytes up
- SUB #1,W
- JNZ MOVUP1
+MOVEUP ADD W,Y ; start at end
+ ADD W,X
+MOVUP1 SUB #1,X
+ SUB #1,Y
+MOVUP2 MOV.B @X,0(Y) ; if X=src < Y=dst copy W bytes up
+ SUB #1,W
+ JNZ MOVUP1
MOVE_X mNEXT
; WORDS SET for VOCABULARY, not ANS compliant
;-------------------------------------------------------------------------------
-;X VOCABULARY -- create a vocabulary
+;X VOCABULARY -- create a vocabulary, up to 7 vocabularies in CONTEXT
.IFDEF VOCABULARY_SET
FORTHWORD "VOCABULARY"
-VOCABULARY: mDOCOL
+VOCABULARY mDOCOL
.word CREATE
.SWITCH THREADS
.CASE 1
VOCABULOOP .word lit,0,COMMA
.word xloop,VOCABULOOP
.ENDCASE
- .word HERE ; link via LASTVOC the future created vocabularies
+ .word HERE ; link via LASTVOC the future created vocabulary
.word LIT,LASTVOC,DUP
.word FETCH,COMMA ; compile [LASTVOC] to HERE+
.word STORE ; store (HERE - CELL) to LASTVOC
.IFDEF VOCABULARY_SET
FORTHWORD "FORTH"
.ENDIF ; VOCABULARY_SET
-FORTH: mDODOES ; leave FORTH_BODY on the stack and run VOCDOES
- .word VOCDOES
-FORTH_BODY .word lastforthword
+FORTH ; leave BODYFORTH on the stack and run VOCDOES
+ mDODOES ; Code Field Address (CFA) of FORTH
+PFAFORTH .word VOCDOES ; Parameter Field Address (PFA) of FORTH
+BODYFORTH ; BODY of FORTH
+ .word lastforthword
.SWITCH THREADS
.CASE 2
.word lastforthword1
.ELSECASE ; = CASE 1
.ENDCASE
- .word voclink ; voclink = 0
+ .word voclink ; here, voclink = 0
voclink .set $-2
;X ALSO -- make room to put a vocabulary as first in context
.IFDEF VOCABULARY_SET
FORTHWORD "ALSO"
.ENDIF ; VOCABULARY_SET
-ALSO: MOV #14,W ; -- move up 7 words
- MOV #CONTEXT,X ; X=src
- MOV #CONTEXT+2,Y ; Y=dst
- JMP MOVEUP ; src < dst
+ALSO MOV #12,W ; -- move up 6 words, 8th word of CONTEXT area must remain to 0
+ MOV #CONTEXT,X ; X=src
+ MOV #CONTEXT+2,Y ; Y=dst
+ JMP MOVEUP ; src < dst
;X PREVIOUS -- pop last vocabulary out of context
.IFDEF VOCABULARY_SET
FORTHWORD "PREVIOUS"
.ENDIF ; VOCABULARY_SET
-PREVIOUS: MOV #14,W ; -- move down 7 words
- MOV #CONTEXT+2,X ; X=src
- MOV #CONTEXT,Y ; Y=dst
- JMP MOVEDOWN ; src > dst
+PREVIOUS MOV #14,W ; move down 7 words, with recopy of the 8th word equal to 0
+ MOV #CONTEXT+2,X ; X=src
+ MOV #CONTEXT,Y ; Y=dst
+ JMP MOVEDOWN ; src > dst
;X ONLY -- cut context list to access only first vocabulary, ex.: FORTH ONLY
.IFDEF VOCABULARY_SET
FORTHWORD "ONLY"
.ENDIF ; VOCABULARY_SET
-ONLY: MOV #0,&CONTEXT+2
+ONLY MOV #0,&CONTEXT+2
mNEXT
;X DEFINITIONS -- set last context vocabulary as entry for further defining words
.IFDEF VOCABULARY_SET
FORTHWORD "DEFINITIONS"
.ENDIF ; VOCABULARY_SET
-DEFINITIONS: MOV &CONTEXT,&CURRENT
+DEFINITIONS MOV &CONTEXT,&CURRENT
mNEXT
;-------------------------------------------------------------------------------
; IMPROVED ON/OFF AND RESET
;-------------------------------------------------------------------------------
-STATE_DOES
- .IFDEF VOCABULARY_SET
- .word FORTH,ONLY,DEFINITIONS ; doesn't restore search order pointers
- .ENDIF
+STATE_DOES ; execution part of PWR_STATE ; sorry, doesn't restore search order pointers
+ .word FORTH,ONLY,DEFINITIONS
FORTHtoASM ; -- BODY IP is free
- MOV @TOS+,W ; -- BODY+2 W = old VOCLINK = VLK
- MOV W,&LASTVOC ; -- BODY+2 restore LASTVOC
- MOV @TOS,TOS ; -- OLD_DP
- MOV TOS,&DDP ; -- OLD_DP restore DP
-
+ MOV @TOS+,W ; -- BODY+2 W = old VOCLINK = VLK
+ MOV W,&LASTVOC ; -- BODY+2 restore LASTVOC
+ MOV @TOS,TOS ; -- OLD_DP
+ MOV TOS,&DDP ; -- DP restore DP
+ ; then restore words link(s) with it value < old DP
.SWITCH THREADS
.CASE 1 ; mono thread vocabularies
-MARKALLVOC MOV W,Y ; -- OLD_DP W=VLK Y=VLK
-MRKWORDLOOP MOV -2(Y),Y ; -- OLD_DP W=VLK Y=NFA
- CMP Y,TOS ; -- OLD_DP CMP = TOS-Y : OLD_DP-NFA
- JNC MRKWORDLOOP ; loop back if TOS<Y : OLD_DP<NFA
- MOV Y,-2(W) ; W=VLK X=THD Y=NFA refresh thread with good NFA
- MOV @W,W ; -- OLD_DP W=[VLK] = next voclink
- CMP #0,W ; -- OLD_DP W=[VLK] = next voclink end of vocs ?
- JNZ MARKALLVOC ; -- OLD_DP W=VLK no : loopback
+MARKALLVOC MOV W,Y ; -- DP W=VLK Y=VLK
+MRKWORDLOOP MOV -2(Y),Y ; -- DP W=VLK Y=NFA
+ CMP Y,TOS ; -- DP CMP = TOS-Y : OLD_DP-NFA
+ JNC MRKWORDLOOP ; loop back if TOS<Y : OLD_DP<NFA
+ MOV Y,-2(W) ; W=VLK X=THD Y=NFA refresh thread with good NFA
+ MOV @W,W ; -- DP W=[VLK] = next voclink
+ CMP #0,W ; -- DP W=[VLK] = next voclink end of vocs ?
+ JNZ MARKALLVOC ; -- DP W=VLK no : loopback
.ELSECASE ; multi threads vocabularies
-MARKALLVOC MOV #THREADS,IP ; -- OLD_DP W=VLK
- MOV W,X ; -- OLD_DP W=VLK X=VLK
-MRKTHRDLOOP MOV X,Y ; -- OLD_DP W=VLK X=VLK Y=VLK
- SUB #2,X ; -- OLD_DP W=VLK X=THD (thread ((case-2)to0))
-MRKWORDLOOP MOV -2(Y),Y ; -- OLD_DP W=VLK Y=NFA
- CMP Y,TOS ; -- OLD_DP CMP = TOS-Y : OLD_DP-NFA
- JNC MRKWORDLOOP ; loop back if TOS<Y : OLD_DP<NFA
-MARKTHREAD MOV Y,0(X) ; W=VLK X=THD Y=NFA refresh thread with good NFA
- SUB #1,IP ; -- OLD_DP W=VLK X=THD Y=NFA IP=CFT-1
- JNZ MRKTHRDLOOP ; loopback to compare NFA in next thread (thread-1)
- MOV @W,W ; -- OLD_DP W=[VLK] = next voclink
- CMP #0,W ; -- OLD_DP W=[VLK] = next voclink end of vocs ?
- JNZ MARKALLVOC ; -- OLD_DP W=VLK no : loopback
-
- .ENDCASE ; of THREADS ; -- DDP
+MARKALLVOC MOV #THREADS,IP ; -- DP W=VLK
+ MOV W,X ; -- DP W=VLK X=VLK
+MRKTHRDLOOP MOV X,Y ; -- DP W=VLK X=VLK Y=VLK
+ SUB #2,X ; -- DP W=VLK X=THD (thread ((case-2)to0))
+MRKWORDLOOP MOV -2(Y),Y ; -- DP W=VLK Y=NFA
+ CMP Y,TOS ; -- DP CMP = TOS-Y : DP-NFA
+ JNC MRKWORDLOOP ; loop back if TOS<Y : DP<NFA
+MARKTHREAD MOV Y,0(X) ; W=VLK X=THD Y=NFA refresh thread with good NFA
+ SUB #1,IP ; -- DP W=VLK X=THD Y=NFA IP=CFT-1
+ JNZ MRKTHRDLOOP ; loopback to compare NFA in next thread (thread-1)
+ MOV @W,W ; -- DP W=[VLK] = next voclink
+ CMP #0,W ; -- DP W=[VLK] = next voclink end of vocs ?
+ JNZ MARKALLVOC ; -- DP W=VLK no : loopback
+
+ .ENDCASE ; of THREADS ; -- DP
MOV @PSP+,TOS ;
MOV @RSP+,IP ;
mNEXT ;
- FORTHWORD "PWR_STATE" ; reinitialize dictionary in same state as after OFF/ON
-PWR_STATE: mDODOES ; DOES part of MARKER : resets pointers DP, voclink and latest
+ FORTHWORD "PWR_STATE" ; executed by power ON, reinitializes dictionary in state defined by PWR_HERE
+PWR_STATE mDODOES ; DOES part of MARKER : resets pointers DP, voclink and latest
.word STATE_DOES ; execution vector of PWR_STATE
MARKVOC .word lastvoclink ; initialised by forthMSP430FR.asm as voclink value
MARKDP .word ROMDICT ; initialised by forthMSP430FR.asm as DP value
- FORTHWORD "RST_STATE" ; reinitialize dictionary in same state as after <reset>
-RST_STATE: MOV &INIVOC,&MARKVOC ; INI value saved in FRAM
- MOV &INIDP,&MARKDP ; INI value saved in FRAM
+ FORTHWORD "RST_STATE" ; executed by <reset>, reinitializes dictionary in state defined by RST_HERE
+RST_STATE MOV &INIVOC,&MARKVOC ; INIT value above (FRAM value)
+ MOV &INIDP,&MARKDP ; INIT value above (FRAM value)
JMP PWR_STATE
-
- FORTHWORD "PWR_HERE" ; define dictionary bound for power OFF/ON
-PWR_HERE: MOV &LASTVOC,&MARKVOC
+ FORTHWORD "PWR_HERE" ; define dictionnary bound for power ON
+PWR_HERE MOV &LASTVOC,&MARKVOC
MOV &DDP,&MARKDP
- mNEXT
+NEXT_ADR mNEXT
- FORTHWORD "RST_HERE" ; define dictionary bound for <reset>
-RST_HERE: MOV &LASTVOC,&INIVOC
+ FORTHWORD "RST_HERE" ; define dictionnary bound for <reset>...
+RST_HERE MOV &LASTVOC,&INIVOC
MOV &DDP,&INIDP
- JMP PWR_HERE ; and init PWR_STATE same as RST_STATE
-
-
-WIPE_DEFER MOV #PARENWARM,&WARM+2
- MOV #PARENSLEEP,&SLEEP+2
-QAB_DEFER MOV #PARENEMIT,&EMIT+2 ; always restore default console output
- MOV #PARENCR,&CR+2 ; and CR to CR EMIT
- MOV #PARENKEY,&KEY+2
- .IFDEF SD_CARD_LOADER
- MOV #PARENACCEPT,&ACCEPT+2 ; always restore default console input
- MOV #TIB_ORG,&FCIB+2 ; TIB is the Current Input Buffer
+ JMP PWR_HERE ; ...and obviously same bound for power ON...
+
+ FORTHWORD "WIPE" ; restore the program as it was in forthMSP430FR.txt file
+WIPE ; reset JTAG and BSL signatures ; unlock JTAG, SBW and BSL
+ MOV #16,X ; max known SIGNATURES length = 16
+SIGNLOO SUB #2,X
+ MOV #-1,SIGNATURES(X) ; reset signature; WARNING ! DON'T CHANGE IMMEDIATE VALUE !
+ JNZ SIGNLOO
+ MOV #BODYSLEEP,&PFASLEEP ;4 MOV #SLEEP,X ADD #4,X MOV X,-2(X), restore default background task
+ MOV #BODYWARM,&PFAWARM ;4 ' WARM >BODY IS WARM, restore default WARM
+ .IFDEF BOOTLOADER ; true if BOOTLOADER
+ MOV #BODYQUIT,&PFAQUIT ;4 ' QUIT >BODY IS QUIT, remove bootstrap
.ENDIF
- .IFDEF MSP430ASSEMBLER ; reset all branch labels
- MOV #0,&CLRBW1
- MOV #0,&CLRBW2
- MOV #0,&CLRBW3
- MOV #0,&CLRFW1
- MOV #0,&CLRFW2
- MOV #0,&CLRFW3
+ MOV #lastvoclink,&INIVOC ; reinit this 2 factory values
+ MOV #ROMDICT,&INIDP
+ PUSH #RST_STATE ; define the next of WIPE
+;-----------------------------------;
+; WIPE, QABORT common subroutine ; <--- ?ABORT calls here
+;-----------------------------------;
+QAB_DEFER
+ MOV #BODYEMIT,&PFAEMIT ;4 ' EMIT >BODY IS EMIT default console output
+ MOV #BODYCR,&PFACR ;4 ' CR >BODY IS CR default CR
+ MOV #BODYKEY,&PFAKEY ;4 ' KEY >BODY IS KEY default KEY
+ .IFDEF DEFER_ACCEPT ; true if SD_LOADER
+ MOV #BODYACCEPT,&PFAACCEPT ;4 ' ACCEPT >BODY IS ACCEPT
+ MOV #TIB_ORG,&PFACIB ;4 TIB_ORG TO CIB (Current Input Buffer)
.ENDIF
- MOV #10,&BASE
- RET
-
- FORTHWORD "WIPE" ; restore the program as it was in forthMSP430FR.txt file
-WIPE:
-; reset JTAG and BSL signatures ; unlock JTAG, SBW and BSL
- MOV #SIGNATURES,X
-SIGNLOOP MOV #-1,0(X) ; reset signature; WARNING ! DON'T CHANGE THIS IMMEDIATE VALUE !
- ADD #2,X
- CMP #INTVECT,X
- JNZ SIGNLOOP
-
-; reset all FACTORY defered words
- CALL #WIPE_DEFER
-; reinit this factory values :
- MOV #ROMDICT,&INIDP
- MOV #lastvoclink,&INIVOC
-; then reinit RST_STATE and PWR_STATE
- JMP RST_STATE
-
-
-
-; ------------------------------------------------------------------------------------------
-; forthMSP430FR : CONDITIONNAL COMPILATION
-; ------------------------------------------------------------------------------------------
- .IFDEF CONDCOMP ; 2- conditionnal compilation part
- .IFNDEF LOWERCASE
- .WARNING "uncomment LOWERCASE ADD-ON to pass coretest COMPARE !"
- .ENDIF ; LOWERCASE
-
-;COMPARE ( c-addr1 u1 c-addr2 u2 -- n )
-;https://forth-standard.org/standard/string/COMPARE
-;Compare the string specified by c-addr1 u1 to the string specified by c-addr2 u2.
-;The strings are compared, beginning at the given addresses, character by character,
-;up to the length of the shorter string or until a difference is found.
-;If the two strings are identical, n is zero.
-;If the two strings are identical up to the length of the shorter string,
-; n is minus-one (-1) if u1 is less than u2 and one (1) otherwise.
-;If the two strings are not identical up to the length of the shorter string,
-; n is minus-one (-1) if the first non-matching character in the string specified by c-addr1 u1
-; has a lesser numeric value than the corresponding character in the string specified by c-addr2 u2 and one (1) otherwise.
- FORTHWORD "COMPARE"
-COMPARE
- MOV TOS,S ;1 u2 = S
- MOV @PSP+,Y ;2 addr2 = Y
- MOV @PSP+,T ;2 u1 = T
- MOV @PSP+,X ;2 addr1 = X
-COMPAR1 MOV T,TOS ;1
- ADD S,TOS ;1
- JZ COMPEQUAL ;2 end of all successfull comparisons
- SUB #1,T ;1
- JN COMPLESS ;2 u1<u2
- SUB #1,S ;1
- JN COMPGREATER ;2 u2<u1
- ADD #1,X ;1
- CMP.B @Y+,-1(X) ;4 char1-char2
- JZ COMPAR1 ;2 char1=char2 17~ loop
- JHS COMPGREATER ;2 char1>char2
-COMPLESS ; char1<char2
- MOV #-1,TOS ;1
- MOV @IP+,PC ;4
-COMPGREATER
- MOV #1,TOS ;1
-COMPEQUAL
- MOV @IP+,PC ;4 20 words
-
-;[THEN]
-;https://forth-standard.org/standard/tools/BracketTHEN
- FORTHWORDIMM "[THEN]" ; do nothing
- mNEXT
-
-ONEMIN
- SUB #1,TOS
- mNEXT
-
-;[ELSE]
-;Compilation:
-;Perform the execution semantics given below.
-;Execution:
-;( "<spaces>name ..." -- )
-;Skipping leading spaces, parse and discard space-delimited words from the parse area,
-;including nested occurrences of [IF] ... [THEN] and [IF] ... [ELSE] ... [THEN],
-;until the word [THEN] has been parsed and discarded.
-;If the parse area becomes exhausted, it is refilled as with REFILL.
- FORTHWORDIMM "[ELSE]"
-BRACKETELSE
- mDOCOL
- .word lit,1 ; 1
-BRACKETELSE1 ; BEGIN
-BRACKETELSE2 ; BEGIN
- .word FBLANK,WORDD,COUNT ; BL WORD COUNT
- .word DUP,QBRAN,BRACKETELSE10 ; DUP WHILE
- .word OVER,OVER ; 2DUP
- .word XSQUOTE ; S" [IF]"
- .byte 4,"[IF]" ;
- .word COMPARE ; COMPARE
- .word QZBRAN,BRACKETELSE3 ; 0= IF
- .word TWODROP,ONEPLUS ; 2DROP 1+
- .word BRAN,BRACKETELSE8 ; (ENDIF)
-BRACKETELSE3 ; ELSE
- .word OVER,OVER ; OVER OVER
- .word XSQUOTE ; S" [ELSE]"
- .byte 6,"[ELSE]" ;
- .word COMPARE ; COMPARE
- .word QZBRAN,BRACKETELSE5 ; 0= IF
- .word TWODROP,ONEMIN ; 2DROP 1-
- .word DUP,QBRAN,BRACKETELSE4 ; DUP IF
- .word ONEPLUS ; 1+
-BRACKETELSE4 ; THEN
- .word BRAN,BRACKETELSE7 ; (ENDIF)
-BRACKETELSE5 ; ELSE
- .word XSQUOTE ; S" [THEN]"
- .byte 6,"[THEN]" ;
- .word COMPARE ; COMPARE
- .word QZBRAN,BRACKETELSE6 ; 0= IF
- .word ONEMIN ; 1-
-BRACKETELSE6 ; THEN
-BRACKETELSE7 ; THEN
-BRACKETELSE8 ; THEN
- .word QDUP ; ?DUP
- .word QZBRAN,BRACKETELSE9 ; 0= IF
- .word EXIT ; EXIT
-BRACKETELSE9 ; THEN
- .word BRAN,BRACKETELSE2 ; REPEAT
-BRACKETELSE10 ;
- .word TWODROP ; 2DROP
- .word XSQUOTE ;
-; .byte 3,13,107,111 ;
-; .word TYPE,SPACE ; CR ." ko " to show false branch of conditionnal compilation
- .byte 5,13,10,"ko " ;
- .word TYPE ; CR+LF ." ko " to show false branch of conditionnal compilation
- .word FCIB,DUP,CPL ; )
- ; > REFILL
- .word ACCEPT ; -- CIB len )
- FORTHtoASM ;
- MOV #0,&TOIN ;
- MOV TOS,&SOURCE_LEN ; -- CIB len
- MOV @PSP+,&SOURCE_ADR ; -- len'
- MOV @PSP+,TOS ; --
- MOV #BRACKETELSE1,IP ; AGAIN
- mNEXT ; 78 words
-
-
-;[IF]
-;https://forth-standard.org/standard/tools/BracketIF
-;Compilation:
-;Perform the execution semantics given below.
-;Execution: ;( flag | flag "<spaces>name ..." -- )
-;If flag is true, do nothing. Otherwise, skipping leading spaces,
-; parse and discard space-delimited words from the parse area,
-; including nested occurrences of [IF] ... [THEN] and [IF] ... [ELSE] ... [THEN],
-; until either the word [ELSE] or the word [THEN] has been parsed and discarded.
-;If the parse area becomes exhausted, it is refilled as with REFILL. [IF] is an immediate word.
-;An ambiguous condition exists if [IF] is POSTPONEd,
-; or if the end of the input buffer is reached and cannot be refilled before the terminating [ELSE] or [THEN] is parsed.
- FORTHWORDIMM "[IF]" ; flag --
- CMP #0,TOS
- MOV @PSP+,TOS
- JZ BRACKETELSE
- mNEXT
-
-;[UNDEFINED]
-;https://forth-standard.org/standard/tools/BracketUNDEFINED
-;Compilation:
-;Perform the execution semantics given below.
-;Execution: ( "<spaces>name ..." -- flag )
-;Skip leading space delimiters. Parse name delimited by a space.
-;Return a false flag if name is the name of a word that can be found,
-;otherwise return a true flag.
- FORTHWORDIMM "[UNDEFINED]"
- mDOCOL
- .word FBLANK,WORDD,FIND,NIP,ZEROEQUAL,EXIT
-
-;[DEFINED]
-;https://forth-standard.org/standard/tools/BracketDEFINED
-;Compilation:
-;Perform the execution semantics given below.
-;Execution:
-;( "<spaces>name ..." -- flag )
-;Skip leading space delimiters. Parse name delimited by a space.
-;Return a true flag if name is the name of a word that can be found,
-;otherwise return a false flag. [DEFINED] is an immediate word.
-
- FORTHWORDIMM "[DEFINED]"
- mDOCOL
- .word FBLANK,WORDD,FIND,NIP,EXIT
-
- .ENDIF ; CONDCOMP
+;-----------------------------------;
+; WIPE, QABORT, COLD common subrouti; <--- COLD, reset and PUC calls here
+;-----------------------------------;
+RST_INIT
+ MOV #CPUOFF+GIE,&LPM_MODE ; set LPM0
+ .SWITCH DTC
+ .CASE 1
+ MOV #xdocol,rDOCOL
+ .CASE 2
+ MOV #EXIT,rEXIT
+ .ENDCASE
+ MOV #RFROM,rDOVAR
+ MOV #xdocon,rDOCON
+ MOV #xdodoes,rDODOES
+ .IFDEF MSP430ASSEMBLER ; reset all 6 branch labels
+ MOV #10,Y
+ MOV Y,&BASE
+CLRASMLABEL
+ MOV #0,ASMLABELS(Y) ; begins with last label...
+ SUB #2,Y
+ JHS CLRASMLABEL ; out of loop when Y = -2...
+ .ELSE
+ MOV #10,&BASE ;4
+ .ENDIF
+ MOV #32,&CAPS ; init CAPS ON
+ RET
+;---------------------------------------;
-; ------------------------------------------------------------------------------
+; --------------------------------------------------------------------------------
; forthMSP430FR : WARM
-; ------------------------------------------------------------------------------
+; --------------------------------------------------------------------------------
-; define FREQ used in WARM message (6)
- .IF FREQUENCY = 0.25
-FREQ .set " .2MHz"
- .ELSEIF FREQUENCY = 0.5
-FREQ .set " .5MHz"
- .ELSEIF FREQUENCY = 1
-FREQ .set " 1MHz"
- .ELSEIF FREQUENCY = 2
-FREQ .set " 2MHz"
- .ELSEIF FREQUENCY = 4
-FREQ .set " 4MHz"
- .ELSEIF FREQUENCY = 8
-FREQ .set " 8MHz"
- .ELSEIF FREQUENCY = 16
-FREQ .set " 16MHz"
- .ELSEIF FREQUENCY = 24
-FREQ .set " 24MHz"
+;Z WARM -- ; deferred word, enabling the initialisation of your application
+ FORTHWORD "WARM"
+WARM MOV @PC+,PC ;3 Code Field Address (CFA) of WARM
+PFAWARM .word BODYWARM ; Parameter Field Address of WARM, may be redirected.
+BODYWARM MOV #WARMTYPE,IP ; define next step for WIPE,RST_STATE,PWR_STATE, etc.
+;=================================================================================
+; WARM 1: activates I/O: inputs and outputs are active only here (hiZ before here)
+;=================================================================================
+ BIC #LOCKLPM5,&PM5CTL0 ; activate all previous I/O settings (before I/O tests below).
+ ; Moved in WARM area to be redirected in your app START routine,
+ ; enabling you full control of the I/O RESET state.
+;=================================================================================
+ MOV &SAVE_SYSRSTIV,TOS ;
+ CMP #0,TOS ; WARM event ?
+ JZ NEXT_ADR ; yes continue with WARMTYPE
+;---------------------------------------------------------------------------------
+; RESET 7: test DEEP RESET before init TERMINAL I/O
+;---------------------------------------------------------------------------------
+RST_EVENT
+ BIT.B #TXD,&TERM_IN ; TERM_TXD wired to GND via 4k7 resistor ?
+ JNZ RST_TERM_IO ; no
+ XOR #-1,TOS ; yes : force DEEP_RST (RESET + WIPE)
+ ADD #1,TOS ; to display SAVE_SYSRSTIV as negative value
+;---------------------------------------------------------------------------------
+; RESET 8: INIT TERMINAL I/O
+;---------------------------------------------------------------------------------
+RST_TERM_IO ;
+ BIS.B #TERM_BUS,&TERM_SEL ; Configure pins TXD & RXD for TERM_UART
+;---------------------------------------------------------------------------------
+; RESET 9: INIT SD_Card
+;---------------------------------------------------------------------------------
+ .IFDEF SD_CARD_LOADER ;
+ BIT.B #SD_CD,&SD_CDIN ; SD_memory in SD_Card module ?
+ JNZ RST_SEL ; no
+ .IF RAM_LEN < 2048 ; case of MSP430FR57xx : SD datas are in FRAM
+ MOV #SD_LEN,X ; not initialised by RESET.
+ClearSDdata SUB #2,X ; 1
+ MOV #0,SD_ORG(X) ; 3
+ JNZ ClearSDdata ; 2
+ .ENDIF
+ .include "forthMSP430FR_SD_INIT.asm"; no use IP,TOS
.ENDIF
-
-;Z (WARM) -- ; init some user variables,
- ; print start message if ECHO is set,
- ; then ABORT
- FORTHWORD "(WARM)"
-PARENWARM:
-; SUB #4,PSP
-; MOV &SYSSNIV,0(PSP)
-; MOV &SYSUNIV,2(PSP)
- MOV &SAVE_SYSRSTIV,TOS ; to display it
- mDOCOL
- .word XSQUOTE ;
- .byte 6,13,1Bh,"[7m#" ; CR + cmd "reverse video" + #
- .word TYPE ;
- .word DOT ; display signed SAVE_SYSRSTIV
-; .word DOT ; display SYSSNIV
-; .word DOT ; display SYSUNIV
+;---------------------------------------------------------------------------------
+; RESET 10, RESET events handler: Select POWER_ON|<reset>|DEEP_RST
+;---------------------------------------------------------------------------------
+RST_SEL CMP #0Ah,TOS ; reset event = security violation: access of protected areas.
+ JZ WIPE ; Add WIPE to this reset to do DEEP_RST
+ CMP #16h,TOS ; reset event > software POR : failure or DEEP_RST request
+ JHS WIPE ; U>= ; Add WIPE to this reset to do DEEP_RST
+ CMP #2,TOS ; reset event = BOR ?
+ JZ PWR_STATE ; yes execute PWR_STATE, return to WARMTYPE
+ JNZ RST_STATE ; else execute RST_STATE, return to WARMTYPE
+
+;---------------------------------------------------------------------------------
+; WARM 2: type message on console output
+;---------------------------------------------------------------------------------
+WARMTYPE .word ECHO
+ .word XSQUOTE ;
+ .byte 6,13,1Bh,"[7m#" ; CR + cmd "reverse video" + #
+ .word TYPE ;
+ .word DOT ; display signed SAVE_SYSRSTIV
.word XSQUOTE
- .byte 39," FastForth V201",FREQ," (C) J.M.Thoorens "
+ .byte 31,"FastForth ",VER," (C)J.M.Thoorens "
.word TYPE
- .word LIT,FRAM_FULL,HERE,MINUS,UDOT
+ .word LIT,SIGNATURES,HERE,MINUS,UDOT
.word XSQUOTE ;
.byte 11,"bytes free ";
- .word QABORTYESNOECHO ; NOECHO state enables any app to execute COLD or WARM without terminal connexion
-
-
-;Z WARM -- ; deferred word used to init your application
- ; define this word: : START ...init app here... LIT RECURSE IS WARM (WARM) ;
- FORTHWORD "WARM"
-WARM: MOV #PARENWARM,PC
-
-; ------------------------------------------------------------------------------
-; forthMSP430FR : COLD
-; ------------------------------------------------------------------------------
-
-;Z COLD -- performs a software reset
- FORTHWORD "COLD"
-COLD MOV #0A500h+PMMSWBOR,&PMMCTL0
-
-;-------------------------------------------------------------------------------
-; in addition to <reset>, DEEP_RST restores the program as it was in the forthMSP430FR.txt file and the electronic fuse so.
-;-------------------------------------------------------------------------------
-RESET
-;-------------------------------------------------------------------------------
-; case 1 : Power ON ==> RESET + the volatile program beyond PWR_HERE (not protected by PWR_STATE against POWER OFF) is lost
-; SYSRSTIV = 2
-
-; case 2 : <reset> ==> RESET + the program beyond RST_HERE (not protected by RST_STATE against reset) is lost
-; SYSRSTIV = 4
-; case 2.1 : software <reset> is performed by COLD.
-; SYSRSTIV = 6
-
-; case 3 : TERM_TX wired to GND via 4k7 + <reset> ===> DEEP_RST, works even if the electronic fuse is "blown" !
-; case 3.1 : (SYSRSTIV = 0Ah | SYSRSTIV >= 16h) ===> DEEP_RST on failure,
-; case 3.2 : writing -1 in SAVE_SYSRSTIV then COLD ===> software DEEP_RST (WARM displays "-1")
-;-------------------------------------------------------------------------------
-
-;-------------------------------------------------------------------------------
-; RESET : Target Init, limited to FORTH usage : I/O, FRAM, RTC
-; all others I/O are set as input with pullup resistor
-;-------------------------------------------------------------------------------
-
- .include "TargetInit.asm" ; include for each target the init code
-
-; reset all interrupt vectors to RESET vector
- MOV #RESET,W ; W = reset vector
- MOV #INTVECT,X ; interrupt vectors base address
-RESETINT: MOV W,0(X)
- ADD #2,X
- JNZ RESETINT ; endloop when X = 0
-
-; reset default TERMINAL vector interrupt and LPM0 mode for terminal use
- MOV &INI_TERM,&TERMVEC
- MOV #CPUOFF+GIE,&LPM_MODE
-
-; init RAM
- MOV #RAMSTART,X
-INITRAM MOV #0,0(X)
- ADD #2,X
- CMP #RAMEND,X
- JLO INITRAM
-;-------------------------------------------------------------------------------
-; RESET : INIT FORTH machine
-;-------------------------------------------------------------------------------
- MOV #RSTACK,SP ; init return stack
- MOV #PSTACK,PSP ; init parameter stack
- .SWITCH DTC
- .CASE 1
- MOV #xdocol,rDOCOL
- .CASE 2
- MOV #EXIT,rEXIT
- .CASE 3 ; inlined DOCOL, do nothing here
- .ENDCASE
- MOV #RFROM,rDOVAR
- MOV #xdocon,rDOCON
- MOV #xdodoes,rDODOES
-
- MOV #10,&BASE
- MOV #-1,&CAPS
-
-;-------------------------------------------------------------------------------
-; RESET : test TERM_TXD/Deep_RST before init TERM_UART I/O
-;-------------------------------------------------------------------------------
- BIC #LOCKLPM5,&PM5CTL0 ; activate all previous I/O settings before DEEP_RST test
- MOV &SAVE_SYSRSTIV,Y ;
- BIT.B #DEEP_RST,&Deep_RST_IN ; TERM TXD wired to GND via 4k7 resistor ?
- JNZ TERM_INIT ; no
- XOR #-1,Y ; yes : force DEEP_RST
- ADD #1,Y ; to display SAVE_SYSRSTIV as negative value
- MOV Y,&SAVE_SYSRSTIV
-
-;-------------------------------------------------------------------------------
-; RESET : INIT TERM_UART
-;-------------------------------------------------------------------------------
-TERM_INIT
- MOV #0081h,&TERMCTLW0 ; Configure TERM_UART UCLK = SMCLK
-
- .include "TERMINALBAUDRATE.asm" ; include code to configure baudrate
-
- BIS.B #TERM_TXRX,&TERM_SEL ; Configure pins TXD & RXD for TERM_UART (PORTx_SEL0 xor PORTx_SEL1)
- ; TERM_DIR is controlled by eUSCI_Ax module
- BIC #UCSWRST,&TERMCTLW0 ; release from reset...
- BIS #UCRXIE,&TERMIE ; ... then enable RX interrupt for wake up on terminal input
-
-;-------------------------------------------------------------------------------
-; RESET : Select POWER_ON|<reset>|DEEP_RST
-;-------------------------------------------------------------------------------
-
-SelectReset MOV #COLD_END,IP ; define return of WIPE,RST_STATE,PWR_STATE
- MOV &SAVE_SYSRSTIV,Y;
- CMP #0Ah,Y ; reset event = security violation BOR ???? not documented...
- JZ WIPE ; Add WIPE to this reset to do DEEP_RST --------------
- CMP #16h,Y ; reset event > software POR : failure or DEEP_RST request
- JHS WIPE ; U>= ; Add WIPE to this reset to do DEEP_RST
- CMP #2,Y ; reset event = Brownout ?
- JNZ RST_STATE ; else execute RST_STATE
- JZ PWR_STATE ; yes execute PWR_STATE
+ .word QABORT_DISPLAY ;
+
+;Z COLD -- performs a software reset (SYSRSTIV = 6)
+ FORTHWORD "COLD"
+COLD BIT #1,&TERM_STATW ; TERM_UART is busy ?
+ JNZ COLD ; if yes
+ MOV #0A500h+PMMSWBOR,&PMMCTL0 ; performs reset next address
+
+;---------------------------------------------------------------------------------
+; RESET 1: Initialisation limited to FastForth usage : I/O, RAM, RTC
+; all unused I/O are set as input with pullup resistor
+;---------------------------------------------------------------------------------
+RESET .include "TargetInit.asm" ; include target specific FastForth init code
+;---------------------------------------------------------------------------------
+; RESET 2: init RAM
+;---------------------------------------------------------------------------------
+ MOV #RAM_LEN,X
+INITRAMLOOP SUB #2,X
+ MOV #0,RAM_ORG(X)
+ JNZ INITRAMLOOP ; 6~ loop
+;---------------------------------------------------------------------------------
+; RESET 3: set all interrupt vectors
+;---------------------------------------------------------------------------------
+ MOV #VECT_LEN,X ;2 length of vectors area
+VECTORLOOP SUB #2,X ;1
+ MOV #RESET,VECT_ORG(X) ;4 begin at end of area
+ JNZ VECTORLOOP ;2 endloop when VECT_ORG(X) = VECT_ORG
+ MOV #TERMINAL_INT,&TERM_VEC
+;---------------------------------------------------------------------------------
+; RESET 4: INIT TERM_UART UC
+;---------------------------------------------------------------------------------
+ MOV #0081h,&TERM_CTLW0 ; UC SWRST + UCLK = SMCLK
+ MOV &TERMBRW_RST,&TERM_BRW ; RST value in FRAM
+ MOV &TERMMCTLW_RST,&TERM_MCTLW ; RST value in FRAM
+ BIC #UCSWRST,&TERM_CTLW0 ; release from reset...
+ BIS #UCRXIE,&TERM_IE ; ... then enable RX interrupt for wake up on terminal input
+;-------------------------------------------------------------------------------
+; RESET 5: optionnal INIT SD_CARD UC
+;-------------------------------------------------------------------------------
+ .IFDEF SD_CARD_LOADER ;
+ MOV #0A981h,&SD_CTLW0 ; UCxxCTL1 = CKPH, MSB, MST, SPI_3, SMCLK + UCSWRST
+ MOV #FREQUENCY*3,&SD_BRW ; UCxxBRW init SPI CLK = 333 kHz ( < 400 kHz) for SD_Card init
+ BIS.B #SD_CS,&SD_CSDIR ; SD_CS as output high
+ BIS #SD_BUS,&SD_SEL ; Configure pins as SIMO, SOMI & SCK (PxDIR.y are controlled by eUSCI module)
+ BIC #1,&SD_CTLW0 ; release eUSCI from reset
+ .ENDIF
+;---------------------------------------------------------------------------------
+; RESET 6: INIT FORTH machine
+;---------------------------------------------------------------------------------
+ MOV #PSTACK,PSP ; init parameter stack
+ MOV #RSTACK,RSP ; init return stack
+ PUSH #WARM
+ JMP RST_INIT
;-------------------------------------------------------------------------------
-; RESET : INIT SD_Card optionally
+; ASSEMBLER OPTION
;-------------------------------------------------------------------------------
-COLD_END
- .IFNDEF SD_CARD_LOADER ;
- .word WARM ; the next step
- .ELSE
- FORTHtoASM
- BIT.B #SD_CD,&SD_CDIN ; SD_memory in SD_Card module ?
- JNZ WARM ; no
- .include "forthMSP430FR_SD_INIT.asm";
- JMP WARM
+ .IFDEF MSP430ASSEMBLER
+ .include "forthMSP430FR_ASM.asm"
.ENDIF
;-------------------------------------------------------------------------------
-; ASSEMBLER OPTION
+; FIXED POINT OPERATORS OPTION
;-------------------------------------------------------------------------------
- .IFDEF MSP430ASSEMBLER
- .include "forthMSP430FR_ASM.asm"
+ .IFDEF FIXPOINT
+ .include "ADDON/FIXPOINT.asm"
.ENDIF
;-------------------------------------------------------------------------------
.IFDEF SD_CARD_READ_WRITE
.include "forthMSP430FR_SD_RW.asm" ; SD Read/Write driver
.ENDIF
- ;---------------------------------------------------------------------------
- ; SD TOOLS
- ;---------------------------------------------------------------------------
+ ;-----------------------------------------------------------------------
+ ; SD TOOLS
+ ;-----------------------------------------------------------------------
.IFDEF SD_TOOLS
.include "ADDON/SD_TOOLS.asm"
- .ENDIF ; SD_READ_WRITE_TOOLS
- .ENDIF ; SD_CARD_LOADER
+ .ENDIF
+ .ENDIF
;-------------------------------------------------------------------------------
; UTILITY WORDS OPTION
;-------------------------------------------------------------------------------
.IFDEF UTILITY
.include "ADDON/UTILITY.asm"
- .ENDIF ; UTILITY
+ .ENDIF
;-------------------------------------------------------------------------------
-; FIXED POINT OPERATORS OPTION
+; ADD HERE YOUR CODE TO BE INTEGRATED IN KERNEL (protected against WIPE)
+;vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv
+
+
+
+;^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+; ADD HERE YOUR CODE TO BE INTEGRATED IN KERNEL (protected against WIPE)
;-------------------------------------------------------------------------------
- .IFDEF FIXPOINT
- .include "ADDON/FIXPOINT.asm"
- .ENDIF ; FIXPOINT
-
-;-------------------------------------------------------------------------------
-; IT'S FINISH : RESOLVE ASSEMBLY PTR
-;-------------------------------------------------------------------------------
-ROMDICT ; init DDP with this current address
-lastvoclink .equ voclink
-lastforthword .equ forthlink
-lastasmword .equ asmlink
-
- .IF THREADS <> 1
-
-lastforthword1 .equ forthlink1
-lastforthword2 .equ forthlink2
-lastforthword3 .equ forthlink3
-lastforthword4 .equ forthlink4
-lastforthword5 .equ forthlink5
-lastforthword6 .equ forthlink6
-lastforthword7 .equ forthlink7
-lastforthword8 .equ forthlink8
-lastforthword9 .equ forthlink9
-lastforthword10 .equ forthlink10
-lastforthword11 .equ forthlink11
-lastforthword12 .equ forthlink12
-lastforthword13 .equ forthlink13
-lastforthword14 .equ forthlink14
-lastforthword15 .equ forthlink15
-lastforthword16 .equ forthlink16
-lastforthword17 .equ forthlink17
-lastforthword18 .equ forthlink18
-lastforthword19 .equ forthlink19
-lastforthword20 .equ forthlink20
-lastforthword21 .equ forthlink21
-lastforthword22 .equ forthlink22
-lastforthword23 .equ forthlink23
-lastforthword24 .equ forthlink24
-lastforthword25 .equ forthlink25
-lastforthword26 .equ forthlink26
-lastforthword27 .equ forthlink27
-lastforthword28 .equ forthlink28
-lastforthword29 .equ forthlink29
-lastforthword30 .equ forthlink30
-lastforthword31 .equ forthlink31
-
-lastasmword1 .equ asmlink1
-lastasmword2 .equ asmlink2
-lastasmword3 .equ asmlink3
-lastasmword4 .equ asmlink4
-lastasmword5 .equ asmlink5
-lastasmword6 .equ asmlink6
-lastasmword7 .equ asmlink7
-lastasmword8 .equ asmlink8
-lastasmword9 .equ asmlink9
-lastasmword10 .equ asmlink10
-lastasmword11 .equ asmlink11
-lastasmword12 .equ asmlink12
-lastasmword13 .equ asmlink13
-lastasmword14 .equ asmlink14
-lastasmword15 .equ asmlink15
-lastasmword16 .equ asmlink16
-lastasmword17 .equ asmlink17
-lastasmword18 .equ asmlink18
-lastasmword19 .equ asmlink19
-lastasmword20 .equ asmlink20
-lastasmword21 .equ asmlink21
-lastasmword22 .equ asmlink22
-lastasmword23 .equ asmlink23
-lastasmword24 .equ asmlink24
-lastasmword25 .equ asmlink25
-lastasmword26 .equ asmlink26
-lastasmword27 .equ asmlink27
-lastasmword28 .equ asmlink28
-lastasmword29 .equ asmlink29
-lastasmword30 .equ asmlink30
-lastasmword31 .equ asmlink31
- .ENDIF
+;-------------------------------------------------------------------------------
+; RESOLVE ASSEMBLY PTR
+;-------------------------------------------------------------------------------
+
+ .include "ThingsInLast.inc"
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