summaryrefslogtreecommitdiffstatshomepage
path: root/src/devices/bus/a2bus/a2mockingboard.h
blob: e9771d771bff6350f849e68e2500a7e54c818b2a (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
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
// license:BSD-3-Clause
// copyright-holders:R. Belmont
/*********************************************************************

    a2mockingboard.h

    Sweet Micro Systems Mockingboard and compatibles

*********************************************************************/

#ifndef __A2BUS_MOCKINGBOARD__
#define __A2BUS_MOCKINGBOARD__

#include "emu.h"
#include "a2bus.h"
#include "machine/6522via.h"
#include "sound/ay8910.h"
#include "sound/tms5220.h"

//**************************************************************************
//  TYPE DEFINITIONS
//**************************************************************************

class a2bus_ayboard_device:
	public device_t,
	public device_a2bus_card_interface
{
public:
	// construction/destruction
	a2bus_ayboard_device(const machine_config &mconfig, device_type type, const char *name, std::string tag, device_t *owner, UINT32 clock, const char *shortname, const char *source);

	// optional information overrides
	virtual machine_config_constructor device_mconfig_additions() const override;

	DECLARE_WRITE_LINE_MEMBER( via1_irq_w );
	DECLARE_WRITE_LINE_MEMBER( via2_irq_w );
	DECLARE_WRITE8_MEMBER(via1_out_a);
	DECLARE_WRITE8_MEMBER(via1_out_b);
	DECLARE_WRITE8_MEMBER(via2_out_a);
	DECLARE_WRITE8_MEMBER(via2_out_b);

protected:
	virtual void device_start() override;
	virtual void device_reset() override;

	// overrides of standard a2bus slot functions
	virtual UINT8 read_c0nx(address_space &space, UINT8 offset) override;
	virtual void write_c0nx(address_space &space, UINT8 offset, UINT8 data) override;
	virtual UINT8 read_cnxx(address_space &space, UINT8 offset) override;
	virtual void write_cnxx(address_space &space, UINT8 offset, UINT8 data) override;

	required_device<via6522_device> m_via1;
	required_device<via6522_device> m_via2;
	required_device<ay8913_device> m_ay1;
	required_device<ay8913_device> m_ay2;
	optional_device<ay8913_device> m_ay3;
	optional_device<ay8913_device> m_ay4;

	bool m_isPhasor, m_PhasorNative;

private:
	UINT8 m_porta1, m_porta2;
};

class a2bus_mockingboard_device : public a2bus_ayboard_device
{
public:
	a2bus_mockingboard_device(const machine_config &mconfig, std::string tag, device_t *owner, UINT32 clock);
};

class a2bus_phasor_device : public a2bus_ayboard_device
{
public:
	a2bus_phasor_device(const machine_config &mconfig, std::string tag, device_t *owner, UINT32 clock);

	virtual machine_config_constructor device_mconfig_additions() const override;
};

class a2bus_echoplus_device : public a2bus_ayboard_device
{
public:
	a2bus_echoplus_device(const machine_config &mconfig, std::string tag, device_t *owner, UINT32 clock);

	virtual UINT8 read_c0nx(address_space &space, UINT8 offset) override;
	virtual void write_c0nx(address_space &space, UINT8 offset, UINT8 data) override;

	required_device<tms5220_device> m_tms;

	virtual machine_config_constructor device_mconfig_additions() const override;
};

// device type definition
extern const device_type A2BUS_MOCKINGBOARD;
extern const device_type A2BUS_PHASOR;
extern const device_type A2BUS_ECHOPLUS;

#endif  /* __A2BUS_MOCKINGBOARD__ */