// license:BSD-3-Clause // copyright-holders:Curt Coder /********************************************************************** Nokia MikroMikko 1 keyboard emulation *********************************************************************/ #ifndef MAME_MACHINE_MM1KB_H #define MAME_MACHINE_MM1KB_H #pragma once #include "sound/samples.h" //************************************************************************** // INTERFACE CONFIGURATION MACROS //************************************************************************** #define MCFG_MM1_KEYBOARD_KBST_CALLBACK(_write) \ devcb = &downcast(*device).set_kbst_wr_callback(DEVCB_##_write); //************************************************************************** // TYPE DEFINITIONS //************************************************************************** // ======================> mm1_keyboard_device class mm1_keyboard_device : public device_t { public: // construction/destruction mm1_keyboard_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); template devcb_base &set_kbst_wr_callback(Object &&cb) { return m_write_kbst.set_callback(std::forward(cb)); } 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() override; virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override; // optional information overrides virtual const tiny_rom_entry *device_rom_region() const override; virtual void device_add_mconfig(machine_config &config) override; virtual ioport_constructor device_input_ports() const override; private: devcb_write_line m_write_kbst; required_device m_samples; required_memory_region m_rom; required_ioport_array<10> m_y; required_ioport m_special; int m_sense; int m_drive; uint8_t m_data; static bool first_time; // for power switch sound emu_timer *m_scan_timer; // scan timer }; // device type definition DECLARE_DEVICE_TYPE(MM1_KEYBOARD, mm1_keyboard_device) #endif // MAME_MACHINE_MM1KB_H