// license:BSD-3-Clause // copyright-holders:Olivier Galibert /*************************************************************************** h8_port.h H8 8 bits digital port ***************************************************************************/ #ifndef MAME_CPU_H8_H8_PORT_H #define MAME_CPU_H8_H8_PORT_H #pragma once #include "h8.h" class h8_port_device : public device_t { public: h8_port_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); template h8_port_device(const machine_config &mconfig, const char *tag, device_t *owner, T &&cpu, int address, uint8_t default_ddr, uint8_t mask) : h8_port_device(mconfig, tag, owner, 0) { m_cpu.set_tag(std::forward(cpu)); m_address = address; m_default_ddr = default_ddr; m_mask = mask; } void ddr_w(uint8_t data); uint8_t ddr_r(); void dr_w(uint8_t data); uint8_t dr_r(); uint8_t port_r(); void pcr_w(uint8_t data); uint8_t pcr_r(); void odr_w(uint8_t data); uint8_t odr_r(); protected: required_device m_cpu; int m_address; uint8_t m_default_ddr, m_ddr, m_pcr, m_odr; uint8_t m_mask; uint8_t m_dr; uint8_t m_last_output; virtual void device_start() override; virtual void device_reset() override; void update_output(); }; DECLARE_DEVICE_TYPE(H8_PORT, h8_port_device) #endif // MAME_CPU_H8_H8_PORT_H