From 12e78032af701d7ec9ca661753521fdc80348506 Mon Sep 17 00:00:00 2001
From: Volker Ruppert <Volker.Ruppert@t-online.de>
Date: Sat, 1 Jun 2024 08:11:09 +0200
Subject: [PATCH] Banshee / Voodoo3: Fixed check for address wrap during
 update().

---
 bochs/iodev/display/voodoo.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/bochs/iodev/display/voodoo.cc b/bochs/iodev/display/voodoo.cc
index 9b88733e0..e8f128526 100644
--- a/bochs/iodev/display/voodoo.cc
+++ b/bochs/iodev/display/voodoo.cc
@@ -599,8 +599,8 @@ void bx_voodoo_base_c::update(void)
   iHeight = s.vdraw.height;
   start &= v->fbi.mask;
   Bit8u *disp_ptr = &v->fbi.ram[start];
-  if ((start + pitch * iHeight) > v->fbi.mask) {
-    BX_ERROR(("update(): skip address wrap (start = 0x%08x)", start));
+  if ((start + pitch * iHeight) > (v->fbi.mask + 1)) {
+    BX_ERROR(("skip address wrap during update() (start = 0x%08x)", start));
     BX_UNLOCK(render_mutex);
     return;
   }