// license:BSD-3-Clause // copyright-holders:Curt Coder /********************************************************************** Nokia MikroMikko 1 keyboard emulation *********************************************************************/ #pragma once #ifndef __MM1_KEYBOARD__ #define __MM1_KEYBOARD__ #include "emu.h" #include "sound/samples.h" //************************************************************************** // INTERFACE CONFIGURATION MACROS //************************************************************************** #define MCFG_MM1_KEYBOARD_KBST_CALLBACK(_write) \ devcb = &mm1_keyboard_t::set_kbst_wr_callback(*device, DEVCB_##_write); //************************************************************************** // TYPE DEFINITIONS //************************************************************************** // ======================> mm1_keyboard_t class mm1_keyboard_t : public device_t { public: // construction/destruction mm1_keyboard_t(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); template static devcb_base &set_kbst_wr_callback(device_t &device, _Object object) { return downcast(device).m_write_kbst.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; DECLARE_READ8_MEMBER( read ) { return m_data; } DECLARE_WRITE_LINE_MEMBER( bell_w ) { if (state == 1) { if (first_time) { m_samples->start(1, 1); // power switch first_time = false; } if (!m_samples->playing(0)) m_samples->start(0, 0); // beep; during boot, the second beep is in real HW very short (just before floppy seeks) but that's NYI } else if (m_samples->playing(0)) m_samples->stop(0); // happens only once during boot, no effect on output } void shut_down_mm1(); protected: // device-level overrides virtual void device_start(); virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr); private: devcb_write_line m_write_kbst; required_device m_samples; required_memory_region m_rom; 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_special; int m_sense; int m_drive; UINT8 m_data; static bool first_time; // for power switch sound emu_timer *m_scan_timer; // scan timer }; // device type definition extern const device_type MM1_KEYBOARD; #endif