From caef53a4a1687cf880d1dc82a4af38b734fc6e84 Mon Sep 17 00:00:00 2001
From: Volker Ruppert <Volker.Ruppert@t-online.de>
Date: Sun, 28 Jan 2024 11:05:16 +0100
Subject: [PATCH] Voodoo 1/2: Added support for dword aligned byte writes.
 TODO: For unaligned writes the voodoo_w() function needs to be modified.

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

diff --git a/bochs/iodev/display/voodoo.cc b/bochs/iodev/display/voodoo.cc
index e0d0f1880..2bf947759 100644
--- a/bochs/iodev/display/voodoo.cc
+++ b/bochs/iodev/display/voodoo.cc
@@ -1064,6 +1064,8 @@ void bx_voodoo_1_2_c::mem_write(bx_phy_address addr, unsigned len, void *data)
     } else {
       voodoo_w((addr >> 2) & 0x3FFFFF, (Bit32u)value, 0x0000ffff);
     }
+  } else if ((len == 1) && ((addr & 3) == 0)) {
+    voodoo_w((addr >> 2) & 0x3FFFFF, (Bit32u)value, 0x0000ffff);
   } else {
     BX_ERROR(("Voodoo mem_write(): unknown len=%d", len));
   }