dither4/dither4.s

SAVMSC = $58

.code

.export start

.proc start
    ; Get the framebuffer address and just write new fun values into it
    ; x: byte to write in
    ; y: index into the first 256 bytes of buffer

    ldx #00
outer_loop:
    txa
    ldy #00
inner_loop:
    sta (SAVMSC),y
    iny
    bne inner_loop
    inx
    jmp outer_loop
    ; infinite loop
.endproc
initial atari tests (not with image) and dither improvements palette selection now biases to matches on the bright side of the RGB color cube, since black is always available for dithering does better but still not perfect atari binary just writes some test data to text framebuffer but builds and runs 2022-11-20 23:43:34 +00:00			`SAVMSC = $58`

			`.code`

			`.export start`

			`.proc start`
			`; Get the framebuffer address and just write new fun values into it`
			`; x: byte to write in`
			`; y: index into the first 256 bytes of buffer`

			`ldx #00`
			`outer_loop:`
			`txa`
			`ldy #00`
			`inner_loop:`
			`sta (SAVMSC),y`
			`iny`
			`bne inner_loop`
			`inx`
			`jmp outer_loop`
			`; infinite loop`
			`.endproc`