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47 lines
783 B
Plaintext
47 lines
783 B
Plaintext
;license:MIT
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;(c) 2018 by 4am
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;
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coord = $FE
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jmp Start
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!source "src/wait.a"
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!source "src/fx/fx.hgr.common.a"
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Start
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!macro FX_PRECOMPUTED .wait {
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lda #<@coords
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sta coord
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lda #>@coords
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sta coord+1
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ldy #0
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@loop
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lda (coord),y
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bpl +
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lda #.wait
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jsr WaitForKeyWithTimeout
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bmi @exit
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bpl @next
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+ tax
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iny
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lda (coord),y
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tay
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txa
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jsr HGRHalfBlockCopy
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@next
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inc coord
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bne +
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inc coord+1
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+ inc coord
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bne +
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inc coord+1
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+ ldy #$00
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lda ($FE),y
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cmp #$80
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bne @loop
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@exit rts
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@coords
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}
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