From 49ebf156d131086594937a8063b80399f39a5390 Mon Sep 17 00:00:00 2001
From: Alessandro Gatti <a.gatti@frob.it>
Date: Wed, 7 Jul 2021 10:54:59 +0200
Subject: [PATCH] Fix SBC definition as per #3190.

---
 Ghidra/Processors/6502/data/languages/65c02.slaspec | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Ghidra/Processors/6502/data/languages/65c02.slaspec b/Ghidra/Processors/6502/data/languages/65c02.slaspec
index e3d178f0e1..45e50d80f5 100644
--- a/Ghidra/Processors/6502/data/languages/65c02.slaspec
+++ b/Ghidra/Processors/6502/data/languages/65c02.slaspec
@@ -163,7 +163,7 @@ ADDRIX: (imm16,X) is X; imm16     { addr:2 = imm16 + zext(X); tmp:2 = *:2 addr;
 :SBC ZIOP                      is (cc=2 & aaa=7) ... & ZIOP
 {
     local op1 = ZIOP;
-    local result = A - op1 - C;
+    local result = A - op1 - (1 - C);
 
     subtraction_flags1(A, op1, result);
     A = result;