blob: 640b2030b17c5e171216c311818bbcc563fe4710 (
plain) (
blame)
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
41
42
43
44
|
#pragma once
#ifndef __YMF271_H__
#define __YMF271_H__
#include "devlegcy.h"
struct ymf271_interface
{
devcb_read8 ext_read; /* external memory read */
devcb_write8 ext_write; /* external memory write */
void (*irq_callback)(device_t *device, int state); /* irq callback */
};
DECLARE_READ8_DEVICE_HANDLER( ymf271_r );
DECLARE_WRITE8_DEVICE_HANDLER( ymf271_w );
class ymf271_device : public device_t,
public device_sound_interface
{
public:
ymf271_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
~ymf271_device() { global_free(m_token); }
// access to legacy token
void *token() const { assert(m_token != NULL); return m_token; }
protected:
// device-level overrides
virtual void device_config_complete();
virtual void device_start();
virtual void device_reset();
// sound stream update overrides
virtual void sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples);
private:
// internal state
void *m_token;
};
extern const device_type YMF271;
#endif /* __YMF271_H__ */
|