// license:BSD-3-Clause // copyright-holders:David Haywood #ifndef MAME_MACHINE_VT1682_IO_H #define MAME_MACHINE_VT1682_IO_H #pragma once DECLARE_DEVICE_TYPE(VT_VT1682_IO, vrt_vt1682_io_device) class vrt_vt1682_io_device : public device_t { public: // construction/destruction vrt_vt1682_io_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); auto porta_out() { return m_porta_out.bind(); } auto portb_out() { return m_portb_out.bind(); } auto portc_out() { return m_portc_out.bind(); } auto portd_out() { return m_portd_out.bind(); } auto porta_in() { return m_porta_in.bind(); } auto portb_in() { return m_portb_in.bind(); } auto portc_in() { return m_portc_in.bind(); } auto portd_in() { return m_portd_in.bind(); } uint8_t vt1682_210e_io_ab_r(); uint8_t vt1682_210f_io_cd_r(); void vt1682_210e_io_ab_w(uint8_t data); void vt1682_210f_io_cd_w(uint8_t data); uint8_t vt1682_210d_ioconfig_r(); void vt1682_210d_ioconfig_w(uint8_t data); protected: virtual void device_start() override; virtual void device_reset() override; private: uint8_t m_210d_ioconfig; // actually 4-bit ports devcb_write8 m_porta_out; devcb_write8 m_portb_out; devcb_write8 m_portc_out; devcb_write8 m_portd_out; devcb_read8 m_porta_in; devcb_read8 m_portb_in; devcb_read8 m_portc_in; devcb_read8 m_portd_in; }; #endif // MAME_MACHINE_VT1682_IO_H