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Diffstat (limited to 'src/devices/bus/a2bus/a2arcadebd.cpp')
-rw-r--r--src/devices/bus/a2bus/a2arcadebd.cpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/devices/bus/a2bus/a2arcadebd.cpp b/src/devices/bus/a2bus/a2arcadebd.cpp
index 959b7b7f9a4..85dbe13e770 100644
--- a/src/devices/bus/a2bus/a2arcadebd.cpp
+++ b/src/devices/bus/a2bus/a2arcadebd.cpp
@@ -110,10 +110,12 @@ void a2bus_arcboard_device::write_c0nx(address_space &space, uint8_t offset, uin
{
switch (offset)
{
+ case 0:
case 2:
m_tms->vram_write(space, 0, data);
break;
+ case 1:
case 3:
m_tms->register_write(space, 0, data);
break;