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62 lines
1.2 KiB
Plaintext
62 lines
1.2 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/HALF.MOSAIC",plain
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*=$6000
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!source "src/fx/fx.hgr.halfblock.fizzle.common.a"
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+BUILD_HALFBLOCK_FIZZLE_DATA
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+LDADDR Coordinates
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+ST16 coord
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@whiteloop
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ldy #0
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lda (coord),y
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bmi @endwhite
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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 HGRHalfBlockToWhite
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lda #$02
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jsr WaitForKeyWithTimeout
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bmi @exit
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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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+ bne @whiteloop
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@endwhite
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+LDADDR Coordinates
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+ST16 coord
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@copyloop
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ldy #0
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lda (coord),y
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bmi @exit
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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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lda #$02
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jsr WaitForKeyWithTimeout
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bmi @exit
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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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+ bne @copyloop
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@exit rts
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!source "src/wait.a"
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+HGR_WHITE_ROUTINES
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+HGR_HALF_BLOCK_COPY_ROUTINES
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