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oops, i broke push/pop ix/iy with the previous commit; restored
[bz80asm.git]
/
output_driver_std.zas
blob
5bca783ae8f642d9f6ace885140f3133847cdd59
1
emitInit:
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ld a,2
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call #1601 ; open main screen channel
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ld hl,#4000
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ld de,#4001
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ld bc,#17FF
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ld (hl),l
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ldir
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ld (emitSavedIY),iy
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ld a,31
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ld (WIDTH),a
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ret
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emitSavedIY: defw 0
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; A: code
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; should preserve registers (except A and F)
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OSWRCH:
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push iy
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ld iy,(emitSavedIY)
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ei
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rst #10
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di
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ld (emitSavedIY),iy
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pop iy
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ret