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Diffstat (limited to 'src/devices/video/bt431.cpp')
-rw-r--r--src/devices/video/bt431.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/devices/video/bt431.cpp b/src/devices/video/bt431.cpp
index c66b404c39f..80aa8c7766f 100644
--- a/src/devices/video/bt431.cpp
+++ b/src/devices/video/bt431.cpp
@@ -118,7 +118,7 @@ void bt431_device::reg_w(u8 data)
switch (m_address & 0xf)
{
case REG_COMMAND:
- m_command = data;
+ m_command = data & CR_WM;
LOG("64x64 cursor %s, cross hair cursor %s, cursor format %s, cross hair thickness %d\n",
(data & CR_D6) ? "enable" : "disable",
(data & CR_D5) ? "enable" : "disable",