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

66 lines
1.6 KiB
Plaintext
Raw Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

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