From 6ab4610a81a016a210f352f217c5143bef2029e9 Mon Sep 17 00:00:00 2001
From: Rekai Musuka <rekai@musuka.dev>
Date: Thu, 3 Feb 2022 01:28:54 -0400
Subject: [PATCH] fix(cpu): properly decode format 7 and 8

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

diff --git a/src/cpu.zig b/src/cpu.zig
index dc23bb9..297cc33 100644
--- a/src/cpu.zig
+++ b/src/cpu.zig
@@ -453,7 +453,7 @@ fn thumbPopulate() [0x400]ThumbInstrFn {
 
                 lut[i] = format6(rd);
             } else if (i >> 6 & 0xF == 0b0101) {
-                const op = i >> 5 & 0x3;
+                const op = i >> 4 & 0x3;
                 const T = i >> 3 & 1 == 1;
 
                 lut[i] = format78(op, T);