From 3f27f3993fac61ca68c9282aa09f29aa764cf3bf Mon Sep 17 00:00:00 2001
From: SaxxonPike <saxxonpike@gmail.com>
Date: Fri, 10 Jan 2025 23:53:34 -0600
Subject: [PATCH] [C64] make sure the 1541 drive uses the same 6502
 undocumented behavior as the main CPU

---
 .../Computers/Commodore64/Serial/Drive1541.cs                 | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/BizHawk.Emulation.Cores/Computers/Commodore64/Serial/Drive1541.cs b/src/BizHawk.Emulation.Cores/Computers/Commodore64/Serial/Drive1541.cs
index b7b4e085fa3..534a55cc387 100644
--- a/src/BizHawk.Emulation.Cores/Computers/Commodore64/Serial/Drive1541.cs
+++ b/src/BizHawk.Emulation.Cores/Computers/Commodore64/Serial/Drive1541.cs
@@ -54,7 +54,9 @@ public Drive1541(int clockNum, int clockDen, Func<int> getCurrentDiskNumber)
 			DriveRom = new Chip23128();
 			_cpu = new MOS6502X<CpuLink>(new CpuLink(this))
 			{
-				NMI = false
+				NMI = false,
+				AneConstantFunc = () => 0xEF, 
+				LxaConstantFunc = () => 0xFE
 			};
 
 			_ram = new int[0x800];