diff options
Diffstat (limited to 'src/devices/machine/spg2xx.h')
-rw-r--r-- | src/devices/machine/spg2xx.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/devices/machine/spg2xx.h b/src/devices/machine/spg2xx.h index 1220b4bfb3b..937fe1d4ead 100644 --- a/src/devices/machine/spg2xx.h +++ b/src/devices/machine/spg2xx.h @@ -387,8 +387,8 @@ protected: DECLARE_WRITE16_MEMBER(video_w); DECLARE_READ16_MEMBER(audio_r); DECLARE_WRITE16_MEMBER(audio_w); - DECLARE_READ16_MEMBER(io_r); - DECLARE_WRITE16_MEMBER(io_w); + virtual DECLARE_READ16_MEMBER(io_r); + virtual DECLARE_WRITE16_MEMBER(io_w); void check_irqs(const uint16_t changed); inline void check_video_irq(); @@ -552,6 +552,8 @@ public: } spg28x_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); + + virtual DECLARE_WRITE16_MEMBER(io_w) override; }; DECLARE_DEVICE_TYPE(SPG24X, spg24x_device) |