A2osX/SCMASM.31/SCI.S.RWPA.txt

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NEW
AUTO 3,1
*--------------------------------------
WRITE
JSR GET.REFNUM.OF.OPEN.FILE
BCS .1 ...NOT OPEN
STA WRITE.REFNUM
LDA CSWL
STA VDOSIO
LDA CSWH
STA VDOSIO+1
LDA #WRITE.TEXT.FILE
STA CSWL
LDA /WRITE.TEXT.FILE
STA CSWH
LDA #$FF
STA F.WRITE
.1 RTS
*--------------------------------
* OUTPUT HOOK DURING A WRITE OPERATION
*--------------------------------
WRITE.TEXT.FILE
AND #$7F PRODOS STANDARD IS BIT7=0
STA WRITE.OUTPUT.CHAR
JSR SAVE.REGS
LDX WRITE.REFNUM
STX READ.WRITE.PARMS+1
ASL IGNORE BIT 7
BEQ .2 END OF FILE
LDA #WRITE.OUTPUT.CHAR
STA READ.WRITE.PARMS+2
LDA /WRITE.OUTPUT.CHAR
STA READ.WRITE.PARMS+3
LDA #1
STA READ.WRITE.PARMS+4
LDA #0
STA READ.WRITE.PARMS+5
JSR MLI.CB WRITE
BCC RESTORE.REGS
*--------------------------------
.1 JMP ERROR.HANDLER
*--------------------------------
.2 STX MISC.PARMS+1
JSR MLI.CF READ MARK
BCS .1
JSR MLI.D0 SET EOF
BCS .1 ...ERROR
*---fall into RESTORE.REGS-------
*--------------------------------
RESTORE.REGS
LDY PREGY
LDX PREGX
LDA PREGA
RTS
*--------------------------------
SAVE.REGS
STA PREGA
STX PREGX
STY PREGY
RTS
*--------------------------------------
MAN
SAVE usr/src/scmasm.31/sci.s.rwpa
LOAD usr/src/scmasm.31/scmasm.s
ASM