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zasm: make DE indicate the last line to be read

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Facilitates debugging
This commit is contained in:
Virgil Dupras 2019-05-12 21:44:59 -04:00
parent dd6fa5d38b
commit 1e3982d3ab
2 changed files with 7 additions and 2 deletions
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8
apps/zasm/main.asm
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@ -88,10 +88,14 @@ incOutputOffset:
pop de pop de
ret ret
; Repeatedly reads lines from IO, assemble them and spit the binary code in
; IO. Z is set on success, unset on error. DE contains the last line number to
; be read (first line is 1).
zasmParseFile: zasmParseFile:
ld hl, 0 ld de, 0
ld (curOutputOffset), hl ld (curOutputOffset), de
.loop: .loop:
inc de
call ioReadLine call ioReadLine
or a ; is A 0? or a ; is A 0?
ret z ; We have EOF ret z ; We have EOF

1
tools/emul/zasm.c
View File

@ -119,6 +119,7 @@ int main()
} }
#endif #endif
fflush(stdout); fflush(stdout);
fprintf(stderr, "Ended with A=%d DE=%d\n", cpu.R1.br.A, cpu.R1.wr.DE);
return 0; return 0;
} }