test_program.tri

var i: int = 0;
var x: int = 0;
var y: int = 0;

var a: int[4] = new;

fun draw_block(x: int, y: int, color: int)
{
    var i: int = 0;
    while i < 4 {
        draw_at(x + i, y, color);
        i = i + 1;
    }
}

fun start()
{
    draw_at(x, y, 0xFFD700);
    prints("start\n");
}

fun update()
{
    draw_block(x, y, 0);
    if left_pressed?() {
    	if x > 0
    	{
        	x = (x - 1);
        } else {}
    } else {}
    if right_pressed?() {
    	if x < 6
    	{
        	x = (x + 1);
        } else {}
    } else {}
    if up_pressed?() {
    	if y > 0
    	{
        	y = (y - 1);
        } else {}
    } else {}
    if down_pressed?() {
        if y < 17
    	{
        	y = (y + 1);
        } else {}
    } else {}
    draw_block(x, y, 0xFFD700);
   
}