From 6abe86589b23b2003d1fa7617ece4d989274dc34 Mon Sep 17 00:00:00 2001
From: dingusdev <kataetheweirdo@gmail.com>
Date: Wed, 7 Jul 2021 08:00:37 -0700
Subject: [PATCH] Update ppcfpopcodes.cpp

---
 cpu/ppc/ppcfpopcodes.cpp | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/cpu/ppc/ppcfpopcodes.cpp b/cpu/ppc/ppcfpopcodes.cpp
index b509cad..68d07ce 100644
--- a/cpu/ppc/ppcfpopcodes.cpp
+++ b/cpu/ppc/ppcfpopcodes.cpp
@@ -964,14 +964,14 @@ void dppc_interpreter::ppc_mtfsfidot() {
 }
 
 void dppc_interpreter::ppc_mtfsb0() {
-    crf_d = (ppc_cur_instruction >> 21) & 0x31;
+    crf_d = (ppc_cur_instruction >> 23) & 7;
     if ((crf_d == 0) || (crf_d > 2)) {
         ppc_state.fpscr &= ~(1 << (31 - crf_d));
     }
 }
 
 void dppc_interpreter::ppc_mtfsb0dot() {
-    crf_d = (ppc_cur_instruction >> 21) & 0x31;
+    crf_d = (ppc_cur_instruction >> 23) & 7;
     if ((crf_d == 0) || (crf_d > 2)) {
         ppc_state.fpscr &= ~(1 << crf_d);
     }
@@ -979,14 +979,14 @@ void dppc_interpreter::ppc_mtfsb0dot() {
 }
 
 void dppc_interpreter::ppc_mtfsb1() {
-    crf_d = (ppc_cur_instruction >> 21) & 0x31;
+    crf_d = (ppc_cur_instruction >> 23) & 7;
     if ((crf_d == 0) || (crf_d > 2)) {
         ppc_state.fpscr |= (1 << crf_d);
     }
 }
 
 void dppc_interpreter::ppc_mtfsb1dot() {
-    crf_d = ~(ppc_cur_instruction >> 21) & 0x31;
+    crf_d = (ppc_cur_instruction >> 23) & 7;
     if ((crf_d == 0) || (crf_d > 2)) {
         ppc_state.fpscr |= (1 << crf_d);
     }