brooke/dither4
1
0
Fork 0
Code Issues Pull requests Packages Projects Releases Wiki Activity

back to single frame

Browse source
This commit is contained in:
Brooke Vibber 2023-03-18 18:57:34 -07:00
parent 444b1aed9c
commit dfc3cfaacf
2 changed files with 1 additions and 76 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

64
dither-image.js
View file

@ -698,14 +698,6 @@ function genAssembly(width, height, nbits, lines, reps) {
.export frame1_palette2_odd
.export frame1_palette3_even
.export frame1_palette3_odd
.export frame2_top
.export frame2_bottom
.export frame2_palette1_even
.export frame2_palette1_odd
.export frame2_palette2_even
.export frame2_palette2_odd
.export frame2_palette3_even
.export frame2_palette3_odd
.export displaylist
.segment "BUFFERS"
@ -744,38 +736,6 @@ ${byte2byte(frames[0].bitmap.slice(half))}
.align 4096
frame2_top:
${byte2byte(frames[1].bitmap.slice(0, half))}
.align 128
frame2_palette1_even:
${byte2byte(even(frames[1].palette1))}
.align 128
frame2_palette1_odd:
${byte2byte(odd(frames[1].palette1))}
.align 128
frame2_palette2_even:
${byte2byte(even(frames[1].palette2))}
.align 128
frame2_palette2_odd:
${byte2byte(odd(frames[1].palette2))}
.align 128
frame2_palette3_even:
${byte2byte(even(frames[1].palette3))}
.align 128
frame2_palette3_odd:
${byte2byte(odd(frames[1].palette3))}
.align 4096
frame2_bottom:
${byte2byte(frames[1].bitmap.slice(half))}
.align 1024
displaylist:
; 40 lines overscan
@ -798,28 +758,6 @@ displaylist:
.byte $0e
.endrep
.byte $41 ; jump and blank
.addr displaylist_part2
displaylist_part2:
; 40 lines overscan
.repeat 5
.byte $70 ; 8 blank lines
.endrep
; 160 lines graphics
; ANTIC mode e (160px 2bpp, 1 scan line per line)
.byte $4e
.addr frame2_top
.repeat ${linesEach / 2 - 1}
.byte $0e
.endrep
.byte $4e
.addr frame2_bottom
.repeat ${linesEach / 2 - 1}
.byte $0e
.endrep
.byte $41 ; jump and blank
.addr displaylist
`;
@ -873,7 +811,7 @@ async function main() {
}
let nbits = 2;
let reps = 2;
let reps = 1;
let {width, height, lines} = await convert(process.argv[2], nbits, reps);

13
dither4.s
View file

@ -50,14 +50,6 @@ scanline_max = (lines_per_frame - scanline_offset) / 2
.import frame1_palette2_odd
.import frame1_palette3_even
.import frame1_palette3_odd
.import frame2_top
.import frame2_bottom
.import frame2_palette1_even
.import frame2_palette1_odd
.import frame2_palette2_even
.import frame2_palette2_odd
.import frame2_palette3_even
.import frame2_palette3_odd
.import displaylist
audio_high_byte:
@ -242,13 +234,8 @@ wait_loop:
.endmacro
each_frame:
lda frame_counter ; 3 cycles
beq run_frame1 ; 2 cycles
jmp run_frame2 ; 3 cycles
run_frame1:
run_frame 0
run_frame2:
run_frame 8192
.endproc