// license:BSD-3-Clause // copyright-holders:Angelo Salese /*************************************************************************** SH7604 SCI Controller ***************************************************************************/ #ifndef MAME_CPU_SH2_SH7604_SCI_H #define MAME_CPU_SH2_SH7604_SCI_H #pragma once //************************************************************************** // TYPE DEFINITIONS //************************************************************************** // ======================> sh7604_sci_device class sh7604_sci_device : public device_t { public: // construction/destruction sh7604_sci_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); // I/O operations void sci_regs(address_map &map); void write(address_space &space, offs_t offset, uint8_t data); uint8_t read(address_space &space, offs_t offset); uint8_t serial_mode_r(); void serial_mode_w(uint8_t data); uint8_t bitrate_r(); void bitrate_w(uint8_t data); uint8_t serial_control_r(); void serial_control_w(uint8_t data); uint8_t transmit_data_r(); void transmit_data_w(uint8_t data); uint8_t serial_status_r(); void serial_ack_w(uint8_t data); uint8_t receive_data_r(); protected: enum { STATUS_MPBT = 1 << 0, STATUS_MPB = 1 << 1, STATUS_TEND = 1 << 2, STATUS_PER = 1 << 3, STATUS_FER = 1 << 4, STATUS_ORER = 1 << 5, STATUS_RDRF = 1 << 6, STATUS_TDRE = 1 << 7 }; // device-level overrides // virtual void device_validity_check(validity_checker &valid) const; virtual void device_start() override; virtual void device_reset() override; private: const address_space_config m_space_config; uint8_t m_smr; uint8_t m_scr; uint8_t m_ssr; uint8_t m_brr; }; // device type definition DECLARE_DEVICE_TYPE(SH7604_SCI, sh7604_sci_device) #endif // MAME_CPU_SH2_SH7604_SCI_H