From f9ffee92c7aa011b34c6eb0884fb59bd856e2af4 Mon Sep 17 00:00:00 2001
From: Philipp Oppermann <dev@phil-opp.com>
Date: Fri, 25 Jan 2019 12:42:21 +0100
Subject: [PATCH] Print `Hello World!` to screen

---
 src/main.rs | 11 +++++++++++
 1 file changed, 11 insertions(+)

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 {}
 }