def VGA_BUFFER = 0xb8000;
def VGA_WIDTH  = 80;
def VGA_HEIGHT = 25;

@packed
struct VGAEntry {
    val: u8;
    color: u8;
}

fn kmain() {
    let vga = (VGAEntry*)VGA_BUFFER;
    
    let msg = "Hello from Zen C!";
    let color = 0x0f; // White on Black

    let i = 0;
    while msg[i] != 0 {
        vga[i] = VGAEntry {
            val: msg[i],
            color: color
        };
        i += 1;
    }

    loop {} 
}