mirror of
https://github.com/sehugg/8bitworkshop.git
synced 2024-07-06 10:28:56 +00:00
36 lines
575 B
C
36 lines
575 B
C
#include <string.h>
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typedef unsigned char byte;
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typedef unsigned short word;
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__sfr __at (0x40) palette;
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byte __at (0xe000) cellram[32][32];
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byte __at (0xe800) tileram[256][8];
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void main();
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void start() {
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__asm
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LD SP,#0xE800 ; set up stack pointer
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DI ; disable interrupts
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__endasm;
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main();
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}
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#if start != 0x0
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#error start() function must be at address 0x0!
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#endif
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void main() {
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byte x,y;
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palette = 1;
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memset(tileram, 0xfe, sizeof(tileram));
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for (y=0; y<32; y++) {
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for (x=0; x<32; x++) {
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cellram[x][y] = y*8;
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}
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}
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while (1) ;
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}
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