33 lines
477 B
C
33 lines
477 B
C
#include <internals/display.h>
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#include <display.h>
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/*
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dpixel()
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Puts a pixel in the vram.
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*/
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void dpixel(int x, int y, enum Color color)
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{
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if((unsigned int)x > 127 || (unsigned int)y > 63) return;
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int offset = (y << 2) + (x >> 5);
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int mask = 0x80000000 >> (x & 31);
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switch(color)
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{
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case Color_White:
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vram[offset] &= ~mask;
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break;
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case Color_Black:
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vram[offset] |= mask;
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break;
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case Color_Invert:
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vram[offset] ^= mask;
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break;
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default:
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break;
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}
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}
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