From df871d0ec225a2001b36d0e788895bd7f25976bd Mon Sep 17 00:00:00 2001
From: Ian C <ianc@noddybox.co.uk>
Date: Mon, 2 Jan 2023 13:15:42 +0000
Subject: Fixed BIT (i[xy]+d),b

---
 z80_decode.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/z80_decode.c b/z80_decode.c
index 3247cc2..004682f 100644
--- a/z80_decode.c
+++ b/z80_decode.c
@@ -440,11 +440,12 @@ do { \
 
 #define BIT(REG,B) \
 do { \
+    Z80Byte b=(REG)&(1<<B); \
     cpu->AF.b.lo&=C_Z80; \
     cpu->AF.b.lo|=H_Z80; \
-    if ((REG)&(1<<B)) \
+    if (b) \
     { \
-	cpu->AF.b.lo|=S_Z80&REG; \
+	cpu->AF.b.lo|=S_Z80&b; \
     } \
     else \
     { \
@@ -455,11 +456,12 @@ do { \
 
 #define BIT_MEMPTR(REG,B) \
 do { \
+    Z80Byte b=(REG)&(1<<B); \
     cpu->AF.b.lo&=C_Z80; \
     cpu->AF.b.lo|=H_Z80; \
-    if ((REG)&(1<<B)) \
+    if (b) \
     { \
-	cpu->AF.b.lo|=S_Z80&REG; \
+	cpu->AF.b.lo|=S_Z80&b; \
     } \
     else \
     { \
-- 
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