From 7a3307ad3785a6cd72c820ea6b44086817a20e81 Mon Sep 17 00:00:00 2001
From: alekseiplusplus <alekseijeaves@protonmail.com>
Date: Thu, 30 Nov 2023 18:36:23 +1100
Subject: fixed branching instructions

---
 src/cpu/instructions.c | 40 ++++++++++++++++++++++++++++++++--------
 1 file changed, 32 insertions(+), 8 deletions(-)

(limited to 'src')

diff --git a/src/cpu/instructions.c b/src/cpu/instructions.c
index 7cbf5ed..50941a8 100644
--- a/src/cpu/instructions.c
+++ b/src/cpu/instructions.c
@@ -157,35 +157,59 @@ void fJMP(Addressing addr, address val){
 
 void fBCC(Addressing addr, address val){	//FINISH ALL BRANCH INSTRUCTIONS
 	//signed char val down to BVC
-	if (getFlag(flag_C) == 0) PC += val;
+	if (getFlag(flag_C) == 0)
+		PC += val;
+	else
+		PC += idata.length;
 }
 
 void fBCS(Addressing addr, address val){
-	if (getFlag(flag_C) == 1) PC += val;
+	if (getFlag(flag_C) == 1)
+		PC += val;
+	else
+		PC += idata.length;
 }
 
 void fBEQ(Addressing addr, address val){
-	if (getFlag(flag_Z) == 1) PC += val;
+	if (getFlag(flag_Z) == 1)
+		PC += val;
+	else
+		PC += idata.length;
 }
 
 void fBNE(Addressing addr, address val){
-	if (getFlag(flag_Z) == 0) PC += val;
+	if (getFlag(flag_Z) == 0)
+		PC += val;
+	else
+		PC += idata.length;
 }
 
 void fBMI(Addressing addr, address val){
-	if (getFlag(flag_N) == 1) PC += val;
+	if (getFlag(flag_N) == 1)
+		PC += val;
+	else
+		PC += idata.length;
 }
 
 void fBPL(Addressing addr, address val){
-	if (getFlag(flag_N) == 0) PC += val;
+	if (getFlag(flag_N) == 0)
+		PC += val;
+	else
+		PC += idata.length;
 }
 
 void fBVS(Addressing addr, address val){
-	if (getFlag(flag_V) == 1) PC += val;
+	if (getFlag(flag_V) == 1)
+		PC += val;
+	else
+		PC += idata.length;
 }
 
 void fBVC(Addressing addr, address val){
-	if (getFlag(flag_V) == 0) PC += val;
+	if (getFlag(flag_V) == 0)
+		PC += val;
+	else
+		PC += idata.length;
 }
 
 void fCMP(Addressing addr, address val){
-- 
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