#include <psxgpu.h>

int main(void)
{
    DISPENV display;
    DRAWENV draw;

    ResetGraph(0);
    SetDefDispEnv(&display, 0, 0, 320, 240);
    SetDefDrawEnv(&draw, 0, 0, 320, 240);
    setRGB0(&draw, 18, 42, 96);
    draw.isbg = 1;
    PutDispEnv(&display);
    PutDrawEnv(&draw);
    SetDispMask(1);

    for (;;)
        VSync(0);
}