Write to raw vram from rust

yay this works!

lightshow.rs

@@ -18,4 +18,20 @@ trait Copy {}
 #[no_mangle]
 pub extern fn rust_entry() {
 
+    //white A on black
+    let spec: u16 = 0x0f_41;
+    write_to_coord(0, 0, spec);
+
+    loop {
+
+    }
+
+}
+
+//const VRAM_OFFSET = 0xb8000;
+
+fn write_to_coord(x: u8, y: u8, x86_specifier: u16) {
+    unsafe {
+        *(0xb8000 as *mut u16) = x86_specifier;
+    }
 }