// license: BSD-3-Clause // copyright-holders: Dirk Best /*************************************************************************** Digilog protocol anaylzer keyboard ***************************************************************************/ #ifndef MAME_MACHINE_DIGILOG_KBD_H #define MAME_MACHINE_DIGILOG_KBD_H #pragma once #include "cpu/mcs48/mcs48.h" //************************************************************************** // TYPE DEFINITIONS //************************************************************************** // ======================> digilog_kbd_device class digilog_kbd_device : public device_t { public: // construction/destruction digilog_kbd_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock = 0); // callbacks auto tx_handler() { return m_tx_handler.bind(); } protected: // device_t 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; virtual void device_start() override; virtual void device_reset() override; private: required_device m_mcu; required_ioport_array<16> m_keys; uint8_t bus_r(); void bus_w(uint8_t data); int t0_r(); void p1_w(uint8_t data); uint8_t p2_r(); devcb_write_line m_tx_handler; uint8_t m_bus; uint8_t m_key_row; }; // device type definition DECLARE_DEVICE_TYPE(DIGILOG_KBD, digilog_kbd_device) #endif // MAME_MACHINE_DIGILOG_KBD_H