blob: 556830c0951f478012a1a8a9ab4924340e042a4f (
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
45
46
47
48
49
50
51
52
53
54
55
|
/*
SCSP (YMF292-F) header
*/
#pragma once
#ifndef __SCSP_H__
#define __SCSP_H__
#include "devlegcy.h"
struct scsp_interface
{
int roffset; /* offset in the region */
devcb_write_line irq_callback; /* irq callback */
devcb_write_line main_irq;
};
void scsp_set_ram_base(device_t *device, void *base);
// SCSP register access
DECLARE_READ16_DEVICE_HANDLER( scsp_r );
DECLARE_WRITE16_DEVICE_HANDLER( scsp_w );
// MIDI I/O access (used for comms on Model 2/3)
DECLARE_WRITE16_DEVICE_HANDLER( scsp_midi_in );
DECLARE_READ16_DEVICE_HANDLER( scsp_midi_out_r );
extern UINT32* stv_scu;
class scsp_device : public device_t,
public device_sound_interface
{
public:
scsp_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
~scsp_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();
// 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 SCSP;
#endif /* __SCSP_H__ */
|