diff options
Diffstat (limited to 'src/devices/bus/cbus/pc9801_snd.h')
-rw-r--r-- | src/devices/bus/cbus/pc9801_snd.h | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/src/devices/bus/cbus/pc9801_snd.h b/src/devices/bus/cbus/pc9801_snd.h index c7408c09383..0c9c694a4e3 100644 --- a/src/devices/bus/cbus/pc9801_snd.h +++ b/src/devices/bus/cbus/pc9801_snd.h @@ -18,11 +18,13 @@ public: pc9801_snd_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock); protected: - uint8_t opn_porta_r(); - void opn_portb_w(uint8_t data); + u8 opn_porta_r(); + void opn_portb_w(u8 data); + u16 m_io_base; + virtual u16 read_io_base() = 0; private: - uint8_t m_joy_sel; + u8 m_joy_sel; }; //DECLARE_DEVICE_TYPE(PC9801_SND, pc9801_snd_device) |