/********************************************************************** Tandy Radio Shack TRS-80 Model II keyboard emulation Copyright MESS Team. Visit http://mamedev.org for licensing and usage restrictions. **********************************************************************/ #pragma once #ifndef __TRS80M2_KEYBOARD__ #define __TRS80M2_KEYBOARD__ #include "emu.h" #include "cpu/mcs48/mcs48.h" #include "sound/discrete.h" //************************************************************************** // MACROS / CONSTANTS //************************************************************************** #define TRS80M2_KEYBOARD_TAG "trs80m2kb" //************************************************************************** // INTERFACE CONFIGURATION MACROS //************************************************************************** #define MCFG_TRS80M2_KEYBOARD_ADD(_config) \ MCFG_DEVICE_ADD(TRS80M2_KEYBOARD_TAG, TRS80M2_KEYBOARD, 0) \ MCFG_DEVICE_CONFIG(_config) #define TRS80M2_KEYBOARD_INTERFACE(_name) \ const trs80m2_keyboard_interface (_name) = //************************************************************************** // TYPE DEFINITIONS //************************************************************************** // ======================> trs80m2_keyboard_interface struct trs80m2_keyboard_interface { devcb_write_line m_out_clock_cb; }; // ======================> trs80m2_keyboard_device class trs80m2_keyboard_device : public device_t, public trs80m2_keyboard_interface { public: // construction/destruction trs80m2_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( busy_w ); DECLARE_READ_LINE_MEMBER( data_r ); // not really public DECLARE_READ8_MEMBER( kb_t1_r ); DECLARE_READ8_MEMBER( kb_p0_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; 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_ya; required_ioport m_yb; int m_busy; int m_data; int m_clk; UINT8 m_y; }; // device type definition extern const device_type TRS80M2_KEYBOARD; #endif