29 lines
502 B
C
29 lines
502 B
C
#include <gint/display.h>
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#include <gint/defs/types.h>
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#include "render-fx.h"
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/* dpixel() - change a pixel's color */
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void dpixel(int x, int y, int color)
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{
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/* Sanity checks */
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if((uint)x >= 128 || (uint)y >= 64) return;
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DMODE_OVERRIDE(dpixel, x, y, color);
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uint32_t *lword = gint_vram + (y << 2) + (x >> 5);
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uint32_t mask = 1 << (~x & 31);
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if(color == C_WHITE)
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{
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*lword &= ~mask;
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}
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else if(color == C_BLACK)
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{
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*lword |= mask;
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}
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else if(color == C_INVERT)
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{
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*lword ^= mask;
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}
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}
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