Example: syscall

#![no_std]
#![no_main]

use agb::{display, syscall};

#[agb::entry]
fn main(mut gba: agb::Gba) -> ! {
    let mut bitmap = gba.display.video.bitmap3();

    for x in 0..display::WIDTH {
        let y = syscall::sqrt(x << 6);
        let y = (display::HEIGHT - y).clamp(0, display::HEIGHT - 1);
        bitmap.draw_point(x, y, 0x001F);
    }

    loop {
        syscall::halt();
    }
}