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-rw-r--r--src/devices/machine/cdp1852.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/devices/machine/cdp1852.h b/src/devices/machine/cdp1852.h
index d017aaa2482..ba63cd2efb8 100644
--- a/src/devices/machine/cdp1852.h
+++ b/src/devices/machine/cdp1852.h
@@ -67,6 +67,8 @@ public:
DECLARE_READ8_MEMBER( read );
DECLARE_WRITE8_MEMBER( write );
+ uint8_t do_r() { return m_data; }
+
protected:
// device-level overrides
virtual void device_start() override;