From 7592321cdfa3e0334add80c8a15938eca0e88783 Mon Sep 17 00:00:00 2001
From: retro-wertz <retro-wertz@user.noreply.github.com>
Date: Sun, 3 Jun 2018 19:23:13 +0800
Subject: [PATCH] GBA: Update OP_RSB

---
 src/gba.cpp | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/gba.cpp b/src/gba.cpp
index 5c7bd00f..03ad601d 100755
--- a/src/gba.cpp
+++ b/src/gba.cpp
@@ -2862,9 +2862,9 @@ static void armUnknownInsn(u32 opcode)
 #endif
 #ifndef OP_RSB
  #define OP_RSB \
-    u32 lhs = bus.reg[(opcode>>16)&15].I;                   \
-    u32 rhs = value;                                    \
-    u32 res = rhs - lhs;                                \
+    u32 lhs = value;                                    \
+    u32 rhs = bus.reg[(opcode>>16)&15].I;               \
+    u32 res = lhs - rhs;                                \
     bus.reg[dest].I = res;
 #endif
 #ifndef OP_RSBS