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-rw-r--r--src/mame/includes/spg2xx.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/mame/includes/spg2xx.h b/src/mame/includes/spg2xx.h
index 9c55a2b6b88..745ee8ca05a 100644
--- a/src/mame/includes/spg2xx.h
+++ b/src/mame/includes/spg2xx.h
@@ -52,6 +52,10 @@ protected:
DECLARE_WRITE8_MEMBER(i2c_w);
DECLARE_READ8_MEMBER(i2c_r);
+ virtual DECLARE_WRITE16_MEMBER(porta_w);
+ virtual DECLARE_WRITE16_MEMBER(portb_w);
+ virtual DECLARE_WRITE16_MEMBER(portc_w);
+
DECLARE_READ16_MEMBER(rad_porta_r);
DECLARE_READ16_MEMBER(rad_portb_r);
DECLARE_READ16_MEMBER(rad_portc_r);