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63 lines
1.1 KiB
Plaintext
63 lines
1.1 KiB
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.INDEXED/TWOPASS.LR",plain
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*=$6000
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row = $FF
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lda #$00
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sta @h1
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sta @h2
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@outerloop1
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lda #$BF
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sta row
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@loop1 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 ($26),y
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dec row
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dec row
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lda row
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cmp #$FF
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bne @loop1
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lda #$10
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jsr WaitForKeyWithTimeout
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bmi @exit
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inc @h1
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lda @h1
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cmp #$28
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bne @outerloop1
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@outerloop2
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lda #$BE
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sta row
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@loop2 jsr HGRCalc
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@h2=*+1
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ldy #$00
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lda ($3c),y
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sta ($26),y
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dec row
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dec row
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lda row
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cmp #$FE
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bne @loop2
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lda #$10
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jsr WaitForKeyWithTimeout
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bmi @exit
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inc @h2
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lda @h2
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cmp #$28
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bne @outerloop2
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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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+HGR_CALC_ROUTINES
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