1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
|
// license:BSD-3-Clause
// copyright-holders:Carl
#ifndef MAME_MACHINE_MIDIKBD_H
#define MAME_MACHINE_MIDIKBD_H
#pragma once
#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_t clock);
ioport_constructor device_input_ports() const override;
template <class Object> static devcb_base &static_set_tx_callback(device_t &device, Object &&cb) { return downcast<midi_keyboard_device &>(device).m_out_tx_func.set_callback(std::forward<Object>(cb)); }
protected:
void device_start() override;
void tra_callback() override;
void tra_complete() override;
void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override;
private:
void push_tx(uint8_t 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_t m_keyboard_state;
uint8_t m_buffer[16];
uint8_t m_head, m_tail;
};
DECLARE_DEVICE_TYPE(MIDI_KBD, midi_keyboard_device)
#endif // MAME_MACHINE_MIDIKBD_H
|