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https://github.com/brain-hackers/lab
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34 lines
596 B
C
34 lines
596 B
C
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#include "common.h"
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void rot(u16* x, u16* y) {
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u16 nx, ny;
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nx = WNATIVE - ny;
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ny = nx;
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*x = nx;
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*y = ny;
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}
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void prepare_fb(u16** fb) {
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int x, y;
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u16 px = 0b1111100000000000;
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fb[0][0] = 0x2a;
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fb[0][1] = 0x00;
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fb[0][2] = 0x00;
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fb[0][3] = 0x2b;
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fb[0][4] = 0x00;
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fb[0][5] = 0x00;
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fb[0][6] = 0x2c;
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for (y=0; y<HNATIVE; y++) {
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for (x=7; x<WNATIVE; x++) {
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*(volatile unsigned int *)(&fb[y][x]) = px;
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}
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}
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}
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void bitblt(u16** fb, pixel_t px, u16 x, u16 y) {
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rot(&x, &y);
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fb[y][x] = pack_pixel(px);
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}
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