/********************************************************************** Tandy 2000 keyboard emulation Copyright MESS Team. Visit http://mamedev.org for licensing and usage restrictions. *********************************************************************/ #pragma once #ifndef __TANDY2K_KEYBOARD__ #define __TANDY2K_KEYBOARD__ #include "emu.h" #include "cpu/mcs48/mcs48.h" //************************************************************************** // MACROS / CONSTANTS //************************************************************************** #define TANDY2K_KEYBOARD_TAG "tandy2kb" //************************************************************************** // INTERFACE CONFIGURATION MACROS //************************************************************************** #define MCFG_TANDY2K_KEYBOARD_ADD(_config) \ MCFG_DEVICE_ADD(TANDY2K_KEYBOARD_TAG, TANDY2K_KEYBOARD, 0) \ MCFG_DEVICE_CONFIG(_config) #define TANDY2K_KEYBOARD_INTERFACE(_name) \ const tandy2k_keyboard_interface (_name) = //************************************************************************** // TYPE DEFINITIONS //************************************************************************** // ======================> tandy2k_keyboard_interface struct tandy2k_keyboard_interface { devcb_write_line m_out_clock_cb; devcb_write_line m_out_data_cb; }; // ======================> tandy2k_keyboard_device class tandy2k_keyboard_device : public device_t, public tandy2k_keyboard_interface { public: // construction/destruction tandy2k_keyboard_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); // optional information overrides virtual const rom_entry *device_rom_region() const; virtual machine_config_constructor device_mconfig_additions() const; virtual ioport_constructor device_input_ports() const; DECLARE_WRITE_LINE_MEMBER( power_w ); DECLARE_WRITE_LINE_MEMBER( reset_w ); DECLARE_WRITE_LINE_MEMBER( busy_w ); DECLARE_READ_LINE_MEMBER( data_r ); // not really public DECLARE_READ8_MEMBER( kb_p1_r ); DECLARE_WRITE8_MEMBER( kb_p1_w ); DECLARE_WRITE8_MEMBER( kb_p2_w ); protected: // device-level overrides virtual void device_start(); virtual void device_reset(); virtual void device_config_complete(); private: devcb_resolved_write_line m_out_clock_func; devcb_resolved_write_line m_out_data_func; required_device m_maincpu; required_ioport m_y0; required_ioport m_y1; required_ioport m_y2; required_ioport m_y3; required_ioport m_y4; required_ioport m_y5; required_ioport m_y6; required_ioport m_y7; required_ioport m_y8; required_ioport m_y9; required_ioport m_y10; required_ioport m_y11; UINT16 m_keylatch; int m_clock; int m_data; }; // device type definition extern const device_type TANDY2K_KEYBOARD; #endif