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54 lines
456 B
ArmAsm
54 lines
456 B
ArmAsm
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staggered:
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; pulse loop horizontal
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lda #$00
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tay
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tax
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sta GBASL
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outer_loop:
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lda #$40
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sta GBASH
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inner_loop:
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lda even_lookup,X
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sta (GBASL),Y
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iny
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lda odd_lookup,X
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sta (GBASL),Y
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iny
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bne inner_loop
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inc GBASH
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inx
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txa
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and #$7
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tax
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lda #$60
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cmp GBASH
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bne inner_loop
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; lda #100
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jsr WAIT
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inx
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dec FRAME
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bne outer_loop
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;even_lookup:
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;.byte $D7,$DD,$F5,$D5, $D5,$D5,$D5,$D5
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;odd_lookup:
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;.byte $AA,$AA,$AA,$AB, $AB,$AE,$BA,$EA
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