mirror of
https://github.com/sehugg/8bitworkshop.git
synced 2024-11-21 23:30:58 +00:00
51 lines
1.1 KiB
C
51 lines
1.1 KiB
C
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// sid config so we don't use stack above $8000
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//#resource "c64-sid.cfg"
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#define CFGFILE c64-sid.cfg
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#include "common.h"
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//#link "common.c"
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#include "mcbitmap.h"
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//#link "mcbitmap.c"
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#include <lz4.h>
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// include the LZ4 binary data -> image_c64_multi_lz4[]
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const char image_c64_multi_lz4[] = {
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#embed "image-c64.multi.lz4"
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};
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/*
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CharData 8000 bytes
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ScreenData 1000 bytes
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ColorData 1000 bytes
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XtraData 2 bytes
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*/
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void main() {
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char* const uncomp = (char*)0xb000;
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char bgcolor;
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// setup VIC for multicolor bitmap
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// colormap = $c000-$c7ff
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// bitmap = $e000-$ffff
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setup_bitmap_multi();
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// enable HIMEM so we can write to $c000-$ffff
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ENABLE_HIMEM();
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// decompress into $8000-$a711
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decompress_lz4(image_c64_multi_lz4+11, uncomp, 10002);
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// read background color
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bgcolor = uncomp[10000];
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// copy data to destination areas
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memcpy((void*)MCB_BITMAP, uncomp, 8000);
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memcpy(COLOR_RAM, uncomp+9000, 1000);
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memcpy((void*)MCB_COLORS, uncomp+8000, 1000);
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DISABLE_HIMEM();
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// set background color
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VIC.bgcolor0 = bgcolor;
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// wait for key
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cgetc();
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}
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