partly producing output
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f5f2c5dbbf
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2 changed files with 8 additions and 5 deletions
5
Makefile
5
Makefile
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@ -9,7 +9,10 @@ all : dither4.xex
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%.o : %.s
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ca65 -v -t atari -o $@ $<
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dither4.xex : dither4.o
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%.s : %.jpg
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node dither-image.js $< $@ $@.png
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dither4.xex : dither4.o sample6.o
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ld65 -v -C atari-asm-xex.cfg -o $@ $<
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clean :
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@ -52,7 +52,7 @@ displaylist:
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sta COLPF0
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stx COLPF1
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sty COLPF2
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rst
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rts
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.endproc
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.proc start
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@ -60,9 +60,9 @@ displaylist:
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lda #$00
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sta SDMCTL
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; Set up the display list
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lda .low displaylist
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lda #.lobyte(displaylist)
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sta SDLSTL
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lda .high displaylist
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lda #.hibyte(displaylist)
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sta SDLSTH
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; Turn off interrupts except reset button
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@ -72,7 +72,7 @@ displaylist:
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; Manually wait for first scan line
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wait_vblank:
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lda VCOUNT
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bnz wait_vblank
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bne wait_vblank
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; Re-enable display DMA
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lda #$22
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