From 0d8c5e68829543429affdb90f1c1679a5a649d3b Mon Sep 17 00:00:00 2001
From: Rekai Musuka <rekai@musuka.dev>
Date: Mon, 10 Jan 2022 06:26:02 -0400
Subject: [PATCH] fix(cpu): fix off-by-word bug in BL

---
 src/cpu/branch.zig | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/cpu/branch.zig b/src/cpu/branch.zig
index 71b6d90..fe91c18 100644
--- a/src/cpu/branch.zig
+++ b/src/cpu/branch.zig
@@ -8,7 +8,8 @@ pub fn branch(comptime L: bool) InstrFn {
     return struct {
         fn inner(cpu: *Arm7tdmi, _: *Bus, opcode: u32) void {
             if (L) {
-                cpu.r[14] = cpu.r[15] - 4;
+                // TODO: Debugging beeg.gba w/ MGBA seems to suggest that I don't do anything here
+                cpu.r[14] = cpu.r[15];
             }
 
             cpu.r[15] = cpu.fakePC() +% util.u32SignExtend(24, opcode << 2);