#![feature(start)] #![no_std] #[panic_handler] fn panic(_info: &core::panic::PanicInfo) -> ! { loop {} } #[start] fn main(_argc: isize, _argv: *const *const u8) -> isize { unsafe { (0x04000000 as *mut u16).write_volatile(0x0403); (0x06000000 as *mut u16).offset(120 + 80 * 240).write_volatile(0x001F); (0x06000000 as *mut u16).offset(136 + 80 * 240).write_volatile(0x03E0); (0x06000000 as *mut u16).offset(120 + 96 * 240).write_volatile(0x7C00); loop {} } }