29 lines
602 B
C
29 lines
602 B
C
#include <stdint.h>
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#include <string.h>
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#define CEILDIV(x, y) (((x)+((y)-1))/(y))
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#if FB_DEPTH==1
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#define FB_WIDTH_BYTES CEILDIV(FB_WIDTH, 8)
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#define FRAMEBUFFER uint8_t framebuffer[FB_HEIGHT][FB_WIDTH_BYTES];
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#define FB_SET(w,h,c) if (c) { \
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framebuffer[h][(w)>>3] |= (1 << ((w) & 7)); \
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} else { \
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framebuffer[h][(w)>>3] &= ~(1 << ((w) & 7)); \
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}
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#elif FB_DEPTH==8
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#define FRAMEBUFFER uint8_t framebuffer][FB_HEIGHT][FB_WIDTH];
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#define FB_SET(w,h,c) framebuffer[h][w] = c
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#endif
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#ifndef DONT_DECLARE_FRAMEBUFFER
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extern FRAMEBUFFER
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#endif
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void fb_fill(uint8_t c);
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void fb_shift();
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