From 3c7002c6c7cad2102af3034dfee771d5e4583d57 Mon Sep 17 00:00:00 2001
From: Peter Evans <pevans@activecampaign.com>
Date: Tue, 23 Jan 2018 16:29:08 -0600
Subject: [PATCH] Carry is only unset if the operand >= A

---
 tests/mos6502.arith.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tests/mos6502.arith.c b/tests/mos6502.arith.c
index 7b8e143..867b4aa 100644
--- a/tests/mos6502.arith.c
+++ b/tests/mos6502.arith.c
@@ -26,7 +26,7 @@ Test(mos6502_arith, cmp)
     cr_assert_eq(cpu->P & MOS_ZERO, 0);
 
     cpu->A = 3;
-    mos6502_handle_cmp(cpu, 3);
+    mos6502_handle_cmp(cpu, 4);
     cr_assert_eq(cpu->P & MOS_CARRY, 0);
     cr_assert_eq(cpu->P & MOS_NEGATIVE, 0);
     cr_assert_eq(cpu->P & MOS_ZERO, MOS_ZERO);