// license:BSD-3-Clause // copyright-holders:Curt Coder /********************************************************************** Luxor ABC-55/77 keyboard emulation *********************************************************************/ #ifndef MAME_BUS_ABCKB_ABC77_H #define MAME_BUS_ABCKB_ABC77_H #pragma once #include "abckb.h" #include "cpu/mcs48/mcs48.h" #include "machine/watchdog.h" #include "sound/discrete.h" #include "sound/spkrdev.h" //************************************************************************** // TYPE DEFINITIONS //************************************************************************** // ======================> abc77_device class abc77_device : public device_t, public abc_keyboard_interface { public: // construction/destruction abc77_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); DECLARE_INPUT_CHANGED_MEMBER( keyboard_reset ); protected: abc77_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 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; // abc_keyboard_interface overrides virtual void txd_w(int state) override; virtual void reset_w(int state) override; private: TIMER_CALLBACK_MEMBER(serial_clock); TIMER_CALLBACK_MEMBER(reset_tick); required_device m_maincpu; required_device m_watchdog; required_device m_discrete; required_ioport_array<12> m_x; required_ioport m_dsw; int m_keylatch; // keyboard row latch int m_clock; // transmit clock int m_stb; // strobe uint8_t m_j3; // timers emu_timer *m_serial_timer; emu_timer *m_reset_timer; uint8_t p1_r(); void p2_w(uint8_t data); int t1_r() { return m_clock; } void prog_w(int state) { m_stb = state; } void j3_w(uint8_t data) { m_j3 = data; } void abc77_io(address_map &map) ATTR_COLD; void abc77_map(address_map &map) ATTR_COLD; }; class abc55_device : public abc77_device { public: // construction/destruction abc55_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); // optional information overrides virtual ioport_constructor device_input_ports() const override ATTR_COLD; }; // device type definition DECLARE_DEVICE_TYPE(ABC77, abc77_device) DECLARE_DEVICE_TYPE(ABC55, abc55_device) #endif // MAME_BUS_ABCKB_ABC77_H