gba/examples/hello_world.rs

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638 B
Rust
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#![no_std]
#![feature(start)]
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#![forbid(unsafe_code)]
use gba::{
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io::display::{DisplayControlSetting, DisplayMode, DISPCNT},
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video::bitmap::Mode3,
Color,
};
#[panic_handler]
fn panic(_info: &core::panic::PanicInfo) -> ! {
loop {}
}
#[start]
fn main(_argc: isize, _argv: *const *const u8) -> isize {
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const SETTING: DisplayControlSetting = DisplayControlSetting::new().with_mode(DisplayMode::Mode3).with_bg2(true);
DISPCNT.write(SETTING);
Mode3::write_pixel(120, 80, Color::from_rgb(31, 0, 0));
Mode3::write_pixel(136, 80, Color::from_rgb(0, 31, 0));
Mode3::write_pixel(120, 96, Color::from_rgb(0, 0, 31));
loop {}
}