// license:BSD-3-Clause // copyright-holders:Curt Coder /********************************************************************** IBM Model F PC/XT 83-key keyboard emulation *********************************************************************/ #ifndef MAME_BUS_PC_KBD_PCXT83_H #define MAME_BUS_PC_KBD_PCXT83_H #pragma once #include "pc_kbdc.h" #include "cpu/mcs48/mcs48.h" #include "machine/rescap.h" //************************************************************************** // TYPE DEFINITIONS //************************************************************************** // ======================> ibm_pc_xt_83_keyboard_device class ibm_pc_xt_83_keyboard_device : public device_t, public device_pc_kbd_interface { public: // construction/destruction ibm_pc_xt_83_keyboard_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); protected: // device-level overrides virtual void device_start() override ATTR_COLD; virtual void device_reset() override ATTR_COLD; // optional information overrides virtual const tiny_rom_entry *device_rom_region() const override ATTR_COLD; virtual void device_add_mconfig(machine_config &config) override ATTR_COLD; virtual ioport_constructor device_input_ports() const override ATTR_COLD; // device_pc_kbd_interface overrides virtual void clock_write(int state) override; virtual void data_write(int state) override; private: uint8_t bus_r(); void bus_w(uint8_t data); void p1_w(uint8_t data); void p2_w(uint8_t data); int t0_r(); int t1_r(); required_device m_maincpu; required_ioport_array<12> m_md; uint8_t m_bus; uint8_t m_p1; uint8_t m_p2; int m_sense; int m_q; }; // device type definition DECLARE_DEVICE_TYPE(PC_KBD_IBM_PC_XT_83, ibm_pc_xt_83_keyboard_device) #endif // MAME_BUS_PC_KBD_PCXT83_H