2018-12-29 18:43:59 +00:00
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;license:MIT
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;(c) 2018 by 4am
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;
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2018-10-29 23:23:43 +00:00
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!cpu 6502
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2021-10-16 01:34:39 +00:00
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!to "build/FX.INDEXED/INTERLOCK.UD",plain
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2018-10-29 23:23:43 +00:00
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*=$6000
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2018-10-29 02:59:51 +00:00
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row1 = $fe
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row2 = $ff
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2022-08-26 01:56:15 +00:00
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!source "src/fx/macros.a"
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2018-10-29 02:59:51 +00:00
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lda #$00
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sta row1
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lda #$5F
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sta row2
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@loop lda row1
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asl
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jsr HGRCalc
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ldy #$27
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- lda ($3c),y
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sta ($26),y
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dey
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bpl -
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lda row2
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asl
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2018-10-29 00:05:59 +00:00
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clc
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2018-10-29 02:59:51 +00:00
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adc #$01
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jsr HGRCalc
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ldy #$27
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- lda ($3c),y
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sta ($26),y
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dey
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bpl -
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lda #$30
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2018-10-29 11:21:47 +00:00
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jsr WaitForKeyWithTimeout
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2018-10-29 00:05:59 +00:00
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bmi @exit
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2018-10-29 02:59:51 +00:00
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inc row1
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dec row2
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2018-10-29 00:05:59 +00:00
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bpl @loop
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@exit rts
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2018-10-29 23:23:43 +00:00
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!source "src/wait.a"
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2020-11-14 02:24:30 +00:00
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+HGR_CALC_ROUTINES
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