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#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, DEVCB2_##_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<class _Object> static devcb2_base &static_set_tx_callback(device_t &device, _Object object) { return downcast<midi_keyboard_device &>(device).m_out_tx_func.set_callback(object); }
void input_callback(UINT8 state) { m_input_state = state; }
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; }
devcb2_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_ */
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