From e2c615f20b5789602504e4b0249db0ac82eda629 Mon Sep 17 00:00:00 2001
From: Will Scullin <scullin@scullinsteel.com>
Date: Mon, 7 Oct 2019 22:18:15 -0700
Subject: [PATCH] Fix ROL.

---
 js/cpu6502.js    | 2 +-
 test/cpu.spec.js | 6 ++++--
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/js/cpu6502.js b/js/cpu6502.js
index d12b9c8..c752222 100644
--- a/js/cpu6502.js
+++ b/js/cpu6502.js
@@ -616,7 +616,7 @@ export default function CPU6502(options)
     function rol(readAddrFn) {
         var addr = readAddrFn({rwm: true});
         var oldVal = readByte(addr);
-        writeByte(oldVal);
+        writeByte(addr, oldVal);
         var val = rotateLeft(oldVal);
         writeByte(addr, val);
     }
diff --git a/test/cpu.spec.js b/test/cpu.spec.js
index a6d1431..15d82c3 100644
--- a/test/cpu.spec.js
+++ b/test/cpu.spec.js
@@ -3,6 +3,8 @@ import CPU6502 from '../js/cpu6502';
 import Test6502 from '../js/roms/6502test';
 import Test65C02 from '../js/roms/65C02test';
 
+import { toHex } from '../js/util';
+
 describe('CPU', function () {
     var cpu;
     var lastPC = 0;
@@ -25,7 +27,7 @@ describe('CPU', function () {
                 cpu.stepCyclesDebug(1000, traceCB);
             } while (!done);
 
-            expect(lastPC).toEqual(0x3469);
+            expect(toHex(lastPC)).toEqual(toHex(0x3469));
         });
     });
 
@@ -40,7 +42,7 @@ describe('CPU', function () {
                 cpu.stepCyclesDebug(1000, traceCB);
             } while (!done);
 
-            expect(lastPC).toEqual(0x24f1);
+            expect(toHex(lastPC)).toEqual(toHex(0x24f1));
         });
     });
 });