From dc2127b2ce9ac2af03703a40733fc8ce222bd3e3 Mon Sep 17 00:00:00 2001
From: Ian Pickering <ipickering2@gmail.com>
Date: Wed, 13 Feb 2019 02:21:47 -0800
Subject: [PATCH] Fix incorrect opcode of VBlankIntrWait BIOS function

It should be `swi 0x05` instead of `swi 0x04`.
---
 src/bios.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/bios.rs b/src/bios.rs
index 111aa99..cd98d7f 100644
--- a/src/bios.rs
+++ b/src/bios.rs
@@ -225,7 +225,7 @@ pub fn vblank_interrupt_wait() {
   #[cfg(all(target_vendor = "nintendo", target_env = "agb"))]
   {
     unsafe {
-      asm!(/* ASM */ "swi 0x04"
+      asm!(/* ASM */ "swi 0x05"
           :/* OUT */ // none
           :/* INP */ // none
           :/* CLO */ "r0", "r1" // both set to 1 by the routine