// license:BSD-3-Clause // copyright-holders:Curt Coder /********************************************************************** IBM Model F PC/AT 84-key / 3270PC 122-key keyboard emulation *********************************************************************/ #ifndef MAME_BUS_PC_KBD_PCAT84_H #define MAME_BUS_PC_KBD_PCAT84_H #pragma once #include "cpu/mcs48/mcs48.h" #include "pc_kbdc.h" #include "machine/rescap.h" //************************************************************************** // TYPE DEFINITIONS //************************************************************************** // ======================> ibm_pc_at_84_keyboard_device class ibm_pc_at_84_keyboard_device : public device_t, public device_pc_kbd_interface { public: // construction/destruction ibm_pc_at_84_keyboard_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); protected: ibm_pc_at_84_keyboard_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock); // device-level overrides virtual void device_start() override; virtual void device_reset() override; // optional information overrides virtual const tiny_rom_entry *device_rom_region() const override; virtual void device_add_mconfig(machine_config &config) override; virtual ioport_constructor device_input_ports() const override; // device_pc_kbd_interface overrides virtual DECLARE_WRITE_LINE_MEMBER( clock_write ) override { m_maincpu->set_input_line(MCS48_INPUT_IRQ, state); }; virtual DECLARE_WRITE_LINE_MEMBER( data_write ) override { }; private: DECLARE_WRITE8_MEMBER( bus_w ); DECLARE_READ8_MEMBER( p1_r ); DECLARE_WRITE8_MEMBER( p1_w ); DECLARE_READ8_MEMBER( p2_r ); DECLARE_WRITE8_MEMBER( p2_w ); DECLARE_READ_LINE_MEMBER( t0_r ); DECLARE_READ_LINE_MEMBER( t1_r ); enum { LED_SCROLL = 0, LED_NUM, LED_CAPS }; int key_depressed(); required_device m_maincpu; required_ioport_array<16> m_dr; optional_ioport m_kbdida; optional_ioport m_kbdidb; output_finder<3> m_leds; uint8_t m_db; int m_cnt; int m_sense; int m_t1; }; // ======================> ibm_3270pc_122_keyboard_device class ibm_3270pc_122_keyboard_device : public ibm_pc_at_84_keyboard_device { public: // construction/destruction ibm_3270pc_122_keyboard_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); // optional information overrides virtual const tiny_rom_entry *device_rom_region() const override; virtual ioport_constructor device_input_ports() const override; }; // device type definition DECLARE_DEVICE_TYPE(PC_KBD_IBM_PC_AT_84, ibm_pc_at_84_keyboard_device) DECLARE_DEVICE_TYPE(PC_KBD_IBM_3270PC_122, ibm_3270pc_122_keyboard_device) #endif // MAME_BUS_PC_KBD_PCAT84_H