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SKIPEOF.MAC
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1989-11-07
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447b
|
30 lines
; EOF for FSKIP for Turbo-ARC, TR 071189
.z80
extrn f
ld de,(f)
ld hl,104h
add hl,de
ld b,h
ld c,l ; BC = ^ACTPOS
ld hl,100h
add hl,de ; HL = ^FSIZE
ld a,(bc)
sub (hl)
inc bc
inc hl
ld a,(bc)
sbc a,(hl)
inc bc
inc hl
ld a,(bc)
sbc a,(hl) ; CY=1 wenn ACTPOS < FSIZE
ccf ; CY=1 wenn ACTPOS >= FSIZE
ld a,0
rla ; A = (ACTPOS>=FSIZE)
ld hl,108h
add hl,de
ld (hl),a ; FEOF speichern
end