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Hello, World!

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This commit is contained in:
Conzer 2024-12-03 15:05:13 -05:00
parent 8c4afcd956
commit 22ad44dea7
7 changed files with 54 additions and 0 deletions
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11
src/main.rs
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@ -7,7 +7,18 @@ fn panic(_info: &PanicInfo) -> ! {
loop {}
}
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 {}
}