// license:BSD-3-Clause // copyright-holders:Curt Coder /********************************************************************** Apricot keyboard emulation *********************************************************************/ #pragma once #ifndef __APRICOT_KEYBOARD__ #define __APRICOT_KEYBOARD__ #include "emu.h" //************************************************************************** // MACROS / CONSTANTS //************************************************************************** #define APRICOT_KEYBOARD_TAG "aprikb" //************************************************************************** // INTERFACE CONFIGURATION MACROS //************************************************************************** #define MCFG_APRICOT_KEYBOARD_TXD_CALLBACK(_write) \ devcb = &apricot_keyboard_device::set_tcd_wr_callback(*device, DEVCB_##_write); //************************************************************************** // TYPE DEFINITIONS //************************************************************************** // ======================> apricot_keyboard_device class apricot_keyboard_device : public device_t { public: // construction/destruction apricot_keyboard_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); template static devcb_base &set_txd_wr_callback(device_t &device, _Object object) { return downcast(device).m_write_txd.set_callback(object); } // 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; UINT8 read_keyboard(); DECLARE_READ8_MEMBER( kb_lo_r ); DECLARE_READ8_MEMBER( kb_hi_r ); DECLARE_READ8_MEMBER( kb_p6_r ); DECLARE_WRITE8_MEMBER( kb_p3_w ); DECLARE_WRITE8_MEMBER( kb_y0_w ); DECLARE_WRITE8_MEMBER( kb_y4_w ); DECLARE_WRITE8_MEMBER( kb_y8_w ); DECLARE_WRITE8_MEMBER( kb_yc_w ); protected: // device-level overrides virtual void device_start(); virtual void device_reset(); private: devcb_write_line m_write_txd; 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_ya; required_ioport m_yb; required_ioport m_yc; required_ioport m_modifiers; UINT16 m_kb_y; }; // device type definition extern const device_type APRICOT_KEYBOARD; #endif