// license:BSD-3-Clause // copyright-holders:Carl #ifndef MIDIKBD_H_ #define MIDIKBD_H_ #include "emu.h" #define MCFG_MIDI_KBD_ADD(_tag, _devcb, _clock) \ MCFG_DEVICE_ADD(_tag, MIDI_KBD, _clock) \ devcb = &midi_keyboard_device::static_set_tx_callback(*device, DEVCB_##_devcb); class midi_keyboard_device : public device_t, public device_serial_interface { public: midi_keyboard_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); ioport_constructor device_input_ports() const; template static devcb_base &static_set_tx_callback(device_t &device, _Object object) { return downcast(device).m_out_tx_func.set_callback(object); } protected: void device_start(); void tra_callback(); void tra_complete(); void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr); private: void push_tx(UINT8 data) { ++m_head %= 16; m_buffer[m_head] = data; } devcb_write_line m_out_tx_func; emu_timer *m_keyboard_timer; required_ioport m_keyboard; UINT32 m_keyboard_state; UINT8 m_buffer[16]; UINT8 m_head, m_tail; }; extern const device_type MIDI_KBD; #endif /* MIDIKBD_H_ */