fn draw-box-on-real-screen x1: int, y1: int, x2: int, y2: int, color: int {
draw-horizontal-line-on-real-screen x1, x2, y1, color
draw-vertical-line-on-real-screen x1, y1, y2, color
draw-horizontal-line-on-real-screen x1, x2, y2, color
draw-vertical-line-on-real-screen x2, y1, y2, color
}
fn draw-horizontal-line-on-real-screen x1: int, x2: int, y: int, color: int {
var x/eax: int <- copy x1
{
compare x, x2
break-if->=
pixel-on-real-screen x, y, color
x <- increment
loop
}
}
fn draw-vertical-line-on-real-screen x: int, y1: int, y2: int, color: int {
var y/eax: int <- copy y1
{
compare y, y2
break-if->=
pixel-on-real-screen x, y, color
y <- increment
loop
}
}