// license:BSD-3-Clause // copyright-holders:Angelo Salese /*************************************************************************** NEC PC-9801 common functions for CBUS sound boards -26, -86, -118 ***************************************************************************/ #ifndef MAME_BUS_CBUS_PC9801_SND_H #define MAME_BUS_CBUS_PC9801_SND_H #pragma once class pc9801_snd_device : public device_t { public: pc9801_snd_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock); protected: u8 opn_porta_r(); void opn_portb_w(u8 data); u16 m_io_base; virtual u16 read_io_base() = 0; private: u8 m_joy_sel; }; //DECLARE_DEVICE_TYPE(PC9801_SND, pc9801_snd_device) INPUT_PORTS_EXTERN(pc9801_joy_port); #endif