diff --git a/src/main.rs b/src/main.rs index 9ae7cc3d..0f0eac13 100644 --- a/src/main.rs +++ b/src/main.rs @@ -3,8 +3,19 @@ use core::panic::PanicInfo; +static HELLO: &[u8] = b"Hello World!"; + #[no_mangle] pub extern "C" fn _start() -> ! { + let vga_buffer = 0xb8000 as *mut u8; + + for (i, &byte) in HELLO.iter().enumerate() { + unsafe { + *vga_buffer.offset(i as isize * 2) = byte; + *vga_buffer.offset(i as isize * 2 + 1) = 0xb; + } + } + loop {} }