From 52e367d24afc68edec9d3eb7f83d1e81f9ebdcb1 Mon Sep 17 00:00:00 2001
From: Rekai Musuka <rekai@musuka.dev>
Date: Sat, 1 Jan 2022 21:57:52 -0600
Subject: [PATCH] fix(cpu): purposely overflow when calculating PC during
 branch

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

diff --git a/src/cpu.zig b/src/cpu.zig
index 07f2a99..bb1a2d5 100644
--- a/src/cpu.zig
+++ b/src/cpu.zig
@@ -213,7 +213,7 @@ fn comptimeBranch(comptime L: bool) InstrFn {
                 cpu.r[14] = cpu.r[15] - 4;
             }
 
-            cpu.r[15] = cpu.fakePC() + util.u32SignExtend(24, opcode << 2);
+            cpu.r[15] = cpu.fakePC() +% util.u32SignExtend(24, opcode << 2);
         }
     }.branch;
 }