// license:BSD-3-Clause // copyright-holders: F. Ulivi /********************************************************************* 82919.h 82919 module (RS232 interface) *********************************************************************/ #ifndef MAME_BUS_HP_IPC_IO_82919_H #define MAME_BUS_HP_IPC_IO_82919_H #pragma once #include "hp_ipc_io.h" #include "machine/mc68681.h" #include "bus/rs232/rs232.h" class hp82919_io_card_device : public device_t, public device_hp_ipc_io_interface { public: // construction/destruction hp82919_io_card_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); virtual ~hp82919_io_card_device(); uint8_t read(offs_t addr); void write(offs_t addr , uint8_t data); DECLARE_WRITE_LINE_MEMBER(uart_irq); DECLARE_WRITE_LINE_MEMBER(uart_a_tx); DECLARE_WRITE_LINE_MEMBER(uart_b_tx); void uart_output(uint8_t data); DECLARE_WRITE_LINE_MEMBER(prim_rxd); DECLARE_WRITE_LINE_MEMBER(prim_dcd); DECLARE_WRITE_LINE_MEMBER(prim_dsr); DECLARE_WRITE_LINE_MEMBER(prim_ri); DECLARE_WRITE_LINE_MEMBER(prim_cts); DECLARE_WRITE_LINE_MEMBER(sec_rxd); DECLARE_WRITE_LINE_MEMBER(sec_dcd); DECLARE_WRITE_LINE_MEMBER(sec_cts); protected: virtual void device_start() override; virtual void device_reset() override; // device-level overrides virtual void device_add_mconfig(machine_config &config) override; virtual ioport_constructor device_input_ports() const override; virtual void install_read_write_handlers(address_space& space , uint32_t base_addr) override; private: required_device m_rs232_prim; required_device m_rs232_sec; required_device m_uart; required_ioport m_loopback_en; uint8_t m_int_level; bool m_int_en; bool m_int_forced; bool m_int_pending; bool m_uart_int; bool m_irq; bool m_loopback; void update_irq(); }; // device type definition DECLARE_DEVICE_TYPE(HP82919_IO_CARD, hp82919_io_card_device) #endif // MAME_BUS_HP_IPC_IO_82919_H