// license:BSD-3-Clause // copyright-holders:David Haywood #ifndef MAME_MACHINE_XAVIX_IO_H #define MAME_MACHINE_XAVIX_IO_H class xavix_io_device : public device_t { public: xavix_io_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); auto read_0_callback() { return m_in0_cb.bind(); } auto read_1_callback() { return m_in1_cb.bind(); } auto write_0_callback() { return m_out0_cb.bind(); } auto write_1_callback() { return m_out1_cb.bind(); } DECLARE_WRITE8_MEMBER(xav_7a0x_dir_w); DECLARE_WRITE8_MEMBER(xav_7a0x_dat_w); DECLARE_READ8_MEMBER(xav_7a0x_dir_r); DECLARE_READ8_MEMBER(xav_7a0x_dat_r); protected: // device-level overrides virtual void device_start() override; virtual void device_reset() override; private: devcb_read8 m_in0_cb; devcb_read8 m_in1_cb; devcb_write8 m_out0_cb; devcb_write8 m_out1_cb; uint8_t m_dir[2]; uint8_t m_dat[2]; }; DECLARE_DEVICE_TYPE(XAVIXIO, xavix_io_device) #endif // MAME_MACHINE_XAVIX_IO_H