extern char DisplayFormat;
extern char PaletteOption;

static struct
{
    int red, green, blue;
} colour_error;

void display_init(int width, int height)
{
}

void display_finished(void)
{
}

void display_close(void)
{
}

void display_plot(int x, int y, unsigned char Red, unsigned char Green, unsigned char Blue)
{
}