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44 lines
782 B
Plaintext
44 lines
782 B
Plaintext
;license:MIT
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;(c) 2018 by 4am
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;
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!cpu 6502
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!to "build/FX/INTERLOCK.LR",plain
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*=$6000
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row = $FF
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lda #$00
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sta @h1
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lda #$27
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sta @h2
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@outerloop
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lda #$BF
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sta row
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@loop lda row
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jsr HGRCalc
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@h1=*+1
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ldy #$00
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lda ($3c),y
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sta ($26),y
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dec row
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lda row
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jsr HGRCalc
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@h2=*+1
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ldy #$27
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lda ($3c),y
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sta ($26),y
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dec row
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lda row
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cmp #$FF
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bne @loop
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lda #$20
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jsr WaitForKeyWithTimeout
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bmi @exit
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inc @h1
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dec @h2
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bpl @outerloop
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@exit rts
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!source "src/wait.a"
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!source "src/fx/fx.hgr.common.a"
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