; -*- coding: utf-8 -*-
-; 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>
-;
-; 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
-; the Free Software Foundation, either version 3 of the License, or
-; (at your option) any later version.
;
-; This program is distributed in the hope that it will be useful,
-; but WITHOUT ANY WARRANTY; without even the implied warranty of
-; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-; GNU General Public License for more details.
-;
-; You should have received a copy of the GNU General Public License
-; along with this program. If not, see <http://www.gnu.org/licenses/>.
-
-
;Z SD_ACCEPT addr addr len -- addr' len' get line to interpret from a SD Card file
-; note : addr = TIB, addr' = PAD
+; no interrupt allowed
; defered word ACCEPT is redirected here by the word LOAD"
-; sequentially move an input line ended by CRLF from BUFFER to PAD
-; if end of buffer is reached before CRLF, asks Read_HandledFile to fill buffer with next sector
-; then move the end of the line.
-; when all LOAD"ed files are read, redirects defered word ACCEPT to (ACCEPT) and restore interpret pointers.
+; "defered" word CIB is redirected to SDIB (PAD if RAM<2k) by the word LOAD"
+; sequentially move an input line ended by CRLF from SD_BUF to PAD
+; if end of SD_BUF is reached before CRLF, asks Read_HandledFile to refill buffer with next sector
+; then load the end of the line to PAD ptr.
+; when all LOAD"ed files are read, redirects defered word ACCEPT to default ACCEPT and restore interpret pointers.
; see CloseHandleT.
; used variables : BufferPtr, BufferLen
; ----------------------------------;
-; FORTHWORD "SD_ACCEPT" ; TIB TIB len -- PAD|SDIB len'
-; ----------------------------------;
-SD_ACCEPT ; sequentially move from BUFFER to SDIB (or PAD) a line of chars delimited by CRLF
+; FORTHWORD "SD_ACCEPT" ; CIB CIB CPL -- CIB len
; ----------------------------------;
+SD_ACCEPT ; sequentially move from SD_BUF to SDIB (PAD if RAM=1k) a line of chars delimited by CRLF
+; ----------------------------------; up to CPL = 80 chars
PUSH IP ;
MOV #SDA_YEMIT_RET,IP ; set YEMIT return
; ----------------------------------;
-StartNewLine ;
-; ----------------------------------;
- MOV &CurrentHdl,T ; prepare link for any next LOAD"ed file...
- MOV &BufferPtr,HDLW_BUFofst(T) ; ...see usage : HandleComplements
-; ----------------------------------; -- TIB TIB len
- .IFDEF RAM_1K ; use PAD as SD Input Buffer because the lack of RAM
- MOV #PAD,W ; W=dst
- MOV #PAD_SIZE-4,0(PSP) ; -- TIB max_count len
- .ELSEIF ; use SDIB as SD Input Buffer
- MOV #SDIB,W ; W=dst
- MOV #SDIB_SIZE-4,0(PSP) ; -- TIB max_count len
- .ENDIF
- MOV W,2(PSP) ; -- StringOrg' max_count len
- MOV #0,TOS ; -- StringOrg' max_count Count
+StartNewLine ; -- CIB CIB CPL
+; ----------------------------------;
+ MOV &CurrentHdl,T ; prepare a link for the next LOADed file, if any...
+ MOV &BufferPtr,HDLW_BUFofst(T) ; ...see usage : GetFreeHandle(CheckCaseOfLoadFileToken)
+; ----------------------------------;
+ MOV @PSP+,W ; -- CIB CPL W=dst_ptr
+ MOV TOS,X ; X=dst_len
+ MOV #0,TOS ; -- CIB cnt
; ----------------------------------;
SDA_InitSrcAddr ; <== SDA_GetFileNextSector
; ----------------------------------;
- CMP #0,&BufferLen ; test if input buffer is empty (EOF)
- JZ SDA_GoToInterpret ; yes
- MOV &BufferPtr,X ; X=src
+ MOV &BufferPtr,S ; S=src_ptr
+ MOV &BufferLen,T ; T=src_len
JMP SDA_ComputeChar ;
; ----------------------------------;
SDA_YEMIT_RET ;
; ----------------------------------;
- FORTHtoASM ;
- SUB #2,IP ; 1 restore YEMIT return
+ .word $+2 ;
+ SUB #2,IP ; 1 restore YEMIT return
; ----------------------------------;
-SDA_ComputeChar ;
+SDA_ComputeChar ; -- CIB cnt
; ----------------------------------;
- CMP &BufferLen,X ; 3 BufferPtr >= BufferLen ?
- JHS SDA_GetFileNextSector ; 2 yes
- MOV.B BUFFER(X),Y ; 3 Y = char
- ADD #1,X ; 1 increment input BufferPtr
+ CMP T,S ; 1 src_ptr >= src_len ?
+ JC SDA_GetFileNextSector ; 2 yes
+ MOV.B SD_BUF(S),Y ; 3 Y = char
+ ADD #1,S ; 1 increment input BufferPtr
CMP.B #32,Y ; 2 ascii printable char ?
- JHS SDA_MoveChar ; 2 yes
- CMP.B #10,Y ; control char = 'LF' ?
- JNZ SDA_ComputeChar ; no
+ JC SDA_MoveChar ; 2 yes
+ CMP.B #10,Y ; 2 control char = 'LF' ?
+ JNZ SDA_ComputeChar ; 2 no
; ----------------------------------;
-SDA_EndOfLine ;
+SDA_EndOfLine ; -- org cnt
; ----------------------------------;
- MOV X,&BufferPtr ; yes save BufferPtr for next line
-; ----------------------------------;
-SDA_GoToInterpret ; -- StringOrg' max_count len'
-; ----------------------------------;
- ADD #2,PSP ; -- StringOrg' len'
MOV @RSP+,IP ;
- MOV @IP+,PC ; ===> unique output
+ MOV S,&BufferPtr ; yes save BufferPtr for next line
+ MOV #32,S ; S = BL
+ JMP ACCEPT_EOL ; ==> output
; ----------------------------------;
SDA_MoveChar ;
; ----------------------------------;
- CMP TOS,0(PSP) ; 3 count = max_chars_count ?
+ CMP X,TOS ; 1 cnt = dst_len ?
JZ YEMIT ; 2 yes, don't move char to dst
MOV.B Y,0(W) ; 3 move char to dst
ADD #1,W ; 1 increment dst addr
ADD #1,TOS ; 1 increment count of moved chars
JMP YEMIT ; 9/6~ send echo to terminal if ECHO, do nothing if NOECHO
-; ----------------------------------; 33/30~ char loop, add 14~ for readsectorW ==> 47/44~ ==> 21/23 kbytes/s / MHz
-SDA_GetFileNextSector ;
+; ----------------------------------; 29/26~ char loop, add 14~ for readsectorW ==> 43/40~ ==> 186/200 kbytes/s @ 8MHz
+SDA_GetFileNextSector ; CIB cnt --
; ----------------------------------;
- PUSH W ; save dst
+ PUSHM #2,W ; save dst_ptr, dst_len
CALL #Read_File ; that resets BufferPtr
- MOV @RSP+,W ; restore dst
+ POPM #2,W ; restore dst_ptr, dst_len
JMP SDA_InitSrcAddr ; loopback to end the line
-; ----------------------------------;
-
-
-;C ACCEPT addr addr len -- addr' len' get line at addr to interpret len' chars
- FORTHWORD "ACCEPT"
-ACCEPT MOV #PARENACCEPT,PC
-
-;C (ACCEPT) addr addr len -- addr len' get len' (up to len) chars from terminal (TERATERM.EXE) via USBtoUART bridge
- FORTHWORD "(ACCEPT)"
-PARENACCEPT
-
+; ----------------------------------;
\ No newline at end of file
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