; see CloseHandle.
; used variables : BufferPtr, BufferLen
-; EMIT uses only IP TOS and Y registers
+; QYEMIT uses only IP and Y registers
; ==================================;
-; FORTHWORD "SD_ACCEPT" ; SDIB_org SDIB_org SDIB_len -- SDIB len 94 bytes
+; FORTHWORD "SD_ACCEPT" ; SDIB_org SDIB_org SDIB_len -- SDIB_org len IP = QUIT4
; ==================================;
-SD_ACCEPT ; sequentially move from SD_BUF to SDIB (PAD if RAM=1k) a line of chars delimited by CRLF
+SD_ACCEPT ; sequentially move from SD_BUF to SDIB a line of chars delimited by CRLF
+ PUSH IP ; R-- IP
+ MOV #SDA_YEMIT_RET,IP ; set QYEMIT return
; ----------------------------------; up to CPL = 80 chars
- PUSH IP ;
- MOV #SDA_YEMIT_RET,IP ; set YEMIT return
-; ----------------------------------;
MOV &CurrentHdl,T ; prepare a link for a next LOADed file, if any...
MOV &BufferPtr,HDLW_BUFofst(T) ; ...see usage : GetFreeHandle(CheckCaseOfLoadFileToken)
; ----------------------------------;
; SDA_InitDstAddr ;
; ----------------------------------;
- MOV @PSP+,W ; -- SDIB_org SDIB_len W=SDIB_ptr
- MOV TOS,X ; X=SDIB_len
- MOV #0,TOS ; -- SDIB_org len of moved bytes from SD_buf to SDIB
-; ----------------------------------;
-SDA_InitSrcAddr ; <== SDA_GetFileNextSect
-; ----------------------------------;
- MOV &BufferPtr,S ; S=SD_buf_ptr
- MOV &BufferLen,T ; T=SD_buf_len
- JMP SDA_ComputeChar ;
+ ADD TOS,0(PSP) ; -- SDIB_org SDIB_end SDIB_len
+ MOV 2(PSP),TOS ; -- SDIB_org SDIB_end SDIB_ptr
+; ==================================;
+SDA_InitSrcAddr ; -- SDIB_org SDIB_end SDIB_ptr <== Read_File return
+; ==================================;
+ MOV &BufferPtr,S ;
+ MOV &BufferLen,T ;
+ MOV @PSP,W ; W = SDIB_end
+ MOV.B #32,X ; X = BL
+ JMP SDA_ComputeCharLoop ;
; ----------------------------------;
SDA_YEMIT_RET ;
; ----------------------------------;
mNEXTADR ;
- SUB #2,IP ; 1 restore YEMIT return
+ SUB #2,IP ; 1 restore YEMIT return
; ----------------------------------;
-SDA_ComputeChar ; -- SDIB_org len
+SDA_ComputeCharLoop ; -- SDIB_org SDIB_end SDIB_ptr
; ----------------------------------;
CMP T,S ; 1 SD_buf_ptr >= SD_buf_len ?
JC SDA_GetFileNextSect ; 2 if yes
MOV.B SD_BUF(S),Y ; 3 Y = char
ADD #1,S ; 1 increment SD_buf_ptr
- CMP.B #32,Y ; 2 ascii printable char ?
+ CMP.B X,Y ; 1 ascii printable char ?
JC SDA_MoveChar ; 2 yes
CMP.B #10,Y ; 2 control char = 'LF' ?
- JNZ SDA_ComputeChar ; 2 no, loop back
+ JNZ SDA_ComputeCharLoop ; 2 no, loop back
; ----------------------------------;
-SDA_EndOfLine ; -- SDIB_org len
+;SDA_EndOfLine ;
; ----------------------------------;
- MOV S,&BufferPtr ; yes save SD_buf_ptr for next line
- MOV @RSP+,IP ;
- MOV #32,S ; S = BL
- JMP ACCEPT_EOL ; -- SDIB_org len ==> output
+ MOV S,&BufferPtr ; save SD_buf_ptr for next line loop
+; ==================================;
+SDA_EndOfFile ; -- SDIB_org SDIB_end SDIB_ptr <== CloseHandle return
+; ==================================;
+ MOV @RSP+,IP ; R--
+ ADD #2,PSP ; -- SDIB_ORG SDIB_PTR
+ SUB @PSP,TOS ; -- SDIB_ORG LEN
+ MOV.B X,Y ; Y = BL
+ JMP QYEMIT ; -- org len ==> output of SD_ACCEPT ==> INTERPRET
; ----------------------------------;
-SDA_MoveChar ;
+SDA_MoveChar ; -- SDIB_ORG SDIB_END SDIB_PTR
; ----------------------------------;
- CMP TOS,X ; 1 len = SDIB_len ?
+ CMP W,TOS ; 1 SDIB_ptr = SDIB_end ?
JZ QYEMIT ; 2 yes, don't move char to dst
- MOV.B Y,0(W) ; 3 move char to dst
- ADD #1,W ; 1 increment SDIB_ptr
- ADD #1,TOS ; 1 increment len of moved chars
+ MOV.B Y,0(TOS) ; 3 move char to dst
+ ADD #1,TOS ; 1 increment SDIB_ptr
JMP QYEMIT ; 9/6~ send echo to terminal if ECHO, do nothing if NOECHO
-; ----------------------------------; 29/26~ char loop, add 14~ for readsectorW one char ==> 43/40~ ==> 186/200 kbytes/s @ 8MHz
-SDA_GetFileNextSect ; -- SDIB_org len
+; ----------------------------------; 27/24~ char loop, add 14~ for readsectorW one char ==> 41/38~ ==> 195/210 kbytes/s @ 8MHz
+SDA_GetFileNextSect ; -- SDIB_org SDIB_end SDIB_ptr
; ----------------------------------;
- PUSHM #2,W ; save SDIB_ptr, SDIB_len
- CALL #Read_File ; which clears SD_buf_ptr and set SD_buf_len
- POPM #2,W ; restore SDIB_ptr, SDIB_len
- JMP SDA_InitSrcAddr ; loopback to end the line
+ PUSH #SDA_InitSrcAddr ; set the default return of Read_File, modified by CloseHandle when the end of file is reached
+ MOV #Read_File,PC ;
; ----------------------------------;
\ No newline at end of file
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