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#include "dat.h"
#include "regs.h"
ushort *ioram = (ushort*)IORAM;
ushort *vram = (ushort*)VRAM;
Point
Pt(int x, int y)
{
return (Point){x,y};
}
ushort
rgb(int r, int g, int b)
{
ushort c;
c = 0;
c |= (r&0x1f)<<10;
c |= (g&0x1f)<<5;
c |= b&0x1f;
return c;
}
void
drawpixel(Point p, ushort col)
{
vram[p.x+p.y*SCRW] = col;
}
int
main()
{
int i, c;
ioram[DISPCNT] = BGMODE3|DISPBG2;
for(i = 0; i < SCRH; i++){
c = 31*i/SCRH;
drawpixel(Pt(i,i), rgb(c,c,c));
}
for(;;);
return 0;
}
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