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-rw-r--r--src/devices/machine/cs8221.cpp4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/devices/machine/cs8221.cpp b/src/devices/machine/cs8221.cpp
index 95a890d7bba..d7f38de1bd7 100644
--- a/src/devices/machine/cs8221.cpp
+++ b/src/devices/machine/cs8221.cpp
@@ -105,6 +105,10 @@ void cs8221_device::device_reset()
//**************************************************************************
// READ/WRITE HANDLERS
//**************************************************************************
+DEVICE_ADDRESS_MAP_START( map, 16, cs8221_device )
+ AM_RANGE(0x0022, 0x0023) AM_DEVWRITE8("cs8221", cs8221_device, address_w, 0x00ff)
+ AM_RANGE(0x0022, 0x0023) AM_DEVREADWRITE8("cs8221", cs8221_device, data_r, data_w, 0xff00)
+ADDRESS_MAP_END
WRITE8_MEMBER( cs8221_device::address_w )
{