From c192bd798bede54e8c97086a2a891d6a16f95f25 Mon Sep 17 00:00:00 2001
From: Stenzek <stenzek@gmail.com>
Date: Fri, 11 Apr 2025 22:18:25 +1000
Subject: [PATCH] Bus: Stub out 0x1F802080

Used by some homebrew.
---
 src/core/bus.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/core/bus.cpp b/src/core/bus.cpp
index 46f6c8884..5771d5c5a 100644
--- a/src/core/bus.cpp
+++ b/src/core/bus.cpp
@@ -1576,6 +1576,11 @@ u32 Bus::EXP2ReadHandler(VirtualMemoryAddress address)
     // nocash expansion area
     value = UINT32_C(0xFFFFFFFF);
   }
+  else if (offset == 0x80)
+  {
+    // pcsx_present()
+    value = UINT32_C(0xFFFFFFFF);
+  }
   else
   {
     WARNING_LOG("EXP2 read: 0x{:08X}", address);