1 // license:BSD-3-Clause 2 // copyright-holders:Curt Coder 3 /********************************************************************** 4 5 RCA VIP ASCII Keyboard Interface VP-620 emulation 6 7 **********************************************************************/ 8 9 #ifndef MAME_BUS_VIP_VP620_H 10 #define MAME_BUS_VIP_VP620_H 11 12 #pragma once 13 14 #include "byteio.h" 15 #include "machine/keyboard.h" 16 17 18 19 //************************************************************************** 20 // TYPE DEFINITIONS 21 //************************************************************************** 22 23 // ======================> vp620_device 24 25 class vp620_device : public device_t, 26 public device_vip_byteio_port_interface 27 { 28 public: 29 // construction/destruction 30 vp620_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); 31 32 protected: 33 // device-level overrides 34 virtual void device_start() override; 35 virtual void device_add_mconfig(machine_config &config) override; 36 37 // device_vip_byteio_port_interface overrides 38 virtual uint8_t vip_in_r() override; 39 virtual int vip_ef4_r() override; 40 41 private: 42 void kb_w(uint8_t data); 43 44 uint8_t m_keydata; 45 int m_keystb; 46 }; 47 48 49 // device type definition 50 DECLARE_DEVICE_TYPE(VP620, vp620_device) 51 52 #endif // MAME_BUS_VIP_VP620_H 53