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r26031 Thursday 7th November, 2013 at 03:59:42 UTC by R. Belmont
(MESS) Apple II: Support for Applied Engineering Super Music Synthesizer [R. Belmont]

[src/emu/bus/a2bus]	a2alfam2.c a2alfam2.h
[src/mess/drivers]	apple2.c

trunk/src/emu/bus/a2bus/a2alfam2.c

r26030	r26031
3	3	a2alfsm2.c
4	4
5	5	Implementation of the ALF Apple Music II card (originally marketed as the "MC1")
	6	The AE Super Music Synthesizer is a superset of this card (4x76489 instead of 3)
6	7
7	8	*********************************************************************/
8	9
r26030	r26031
19	20	//**************************************************************************
20	21
21	22	const device_type A2BUS_ALFAM2 = &device_creator<a2bus_alfam2_device>;
	23	const device_type A2BUS_AESMS = &device_creator<a2bus_aesms_device>;
22	24
23	25	#define SN1_TAG         "sn76489_1" // left
24	26	#define SN2_TAG         "sn76489_2" // center
25	27	#define SN3_TAG         "sn76489_3" // right
	28	#define SN4_TAG         "sn76489_4" // center?
26	29
27	30	//-------------------------------------------------
28	31	//  sn76496_config psg_intf
r26030	r26031
47	50	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "alf_r", 0.50)
48	51	MACHINE_CONFIG_END
49	52
	53	MACHINE_CONFIG_FRAGMENT( a2aesms )
	54	MCFG_SPEAKER_STANDARD_STEREO("alf_l", "alf_r")
	55	MCFG_SOUND_ADD(SN1_TAG, SN76489, 1020484)
	56	MCFG_SOUND_CONFIG(psg_intf)
	57	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "alf_l", 0.50)
	58	MCFG_SOUND_ADD(SN2_TAG, SN76489, 1020484)
	59	MCFG_SOUND_CONFIG(psg_intf)
	60	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "alf_l", 0.50)
	61	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "alf_r", 0.50)
	62	MCFG_SOUND_ADD(SN3_TAG, SN76489, 1020484)
	63	MCFG_SOUND_CONFIG(psg_intf)
	64	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "alf_r", 0.50)
	65	MCFG_SOUND_ADD(SN4_TAG, SN76489, 1020484)
	66	MCFG_SOUND_CONFIG(psg_intf)
	67	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "alf_l", 0.50)
	68	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "alf_r", 0.50)
	69	MACHINE_CONFIG_END
	70
50	71	/***************************************************************************
51	72	FUNCTION PROTOTYPES
52	73	***************************************************************************/
r26030	r26031
56	77	//  machine configurations
57	78	//-------------------------------------------------
58	79
59		machine_config_constructor a2bus_alfam2_device::device_mconfig_additions() const
	80	machine_config_constructor a2bus_sn76489_device::device_mconfig_additions() const
60	81	{
61	82	return MACHINE_CONFIG_NAME( a2alfam2 );
62	83	}
63	84
	85	machine_config_constructor a2bus_aesms_device::device_mconfig_additions() const
	86	{
	87	return MACHINE_CONFIG_NAME( a2aesms );
	88	}
	89
64	90	//**************************************************************************
65	91	//  LIVE DEVICE
66	92	//**************************************************************************
67	93
68		a2bus_alfam2_device::a2bus_alfam2_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source) :
	94	a2bus_sn76489_device::a2bus_sn76489_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source) :
69	95	device_t(mconfig, type, name, tag, owner, clock, shortname, source),
70	96	device_a2bus_card_interface(mconfig, *this),
71	97	m_sn1(*this, SN1_TAG),
72	98	m_sn2(*this, SN2_TAG),
73		m_sn3(*this, SN3_TAG)
	99	m_sn3(*this, SN3_TAG),
	100	m_sn4(*this, SN4_TAG)
74	101	{
75	102	}
76	103
77	104	a2bus_alfam2_device::a2bus_alfam2_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) :
78		device_t(mconfig, A2BUS_ALFAM2, "ALF MC1 / Apple Music II", tag, owner, clock, "a2alfam2", __FILE__),
79		device_a2bus_card_interface(mconfig, *this),
80		m_sn1(*this, SN1_TAG),
81		m_sn2(*this, SN2_TAG),
82		m_sn3(*this, SN3_TAG)
	105	a2bus_sn76489_device(mconfig, A2BUS_ALFAM2, "ALF MC1 / Apple Music II", tag, owner, clock, "a2alfam2", __FILE__)
83	106	{
	107	m_has4thsn = false;
84	108	}
85	109
	110	a2bus_aesms_device::a2bus_aesms_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) :
	111	a2bus_sn76489_device(mconfig, A2BUS_ALFAM2, "Applied Engineering Super Music Synthesizer", tag, owner, clock, "a2aesms", __FILE__)
	112	{
	113	m_has4thsn = true;
	114	}
	115
86	116	//-------------------------------------------------
87	117	//  device_start - device-specific startup
88	118	//-------------------------------------------------
89	119
90		void a2bus_alfam2_device::device_start()
	120	void a2bus_sn76489_device::device_start()
91	121	{
92	122	// set_a2bus_device makes m_slot valid
93	123	set_a2bus_device();
94		m_latch0 = m_latch1 = m_latch2 = 0;
	124	m_latch0 = m_latch1 = m_latch2 = m_latch3 = 0;
95	125
96	126	save_item(NAME(m_latch0));
97	127	save_item(NAME(m_latch1));
98	128	save_item(NAME(m_latch2));
	129	save_item(NAME(m_latch3));
99	130	}
100	131
101		void a2bus_alfam2_device::device_reset()
	132	void a2bus_sn76489_device::device_reset()
102	133	{
103		m_latch0 = m_latch1 = m_latch2 = 0;
	134	m_latch0 = m_latch1 = m_latch2 = m_latch3 = 0;
104	135	}
105	136
106		UINT8 a2bus_alfam2_device::read_c0nx(address_space &space, UINT8 offset)
	137	UINT8 a2bus_sn76489_device::read_c0nx(address_space &space, UINT8 offset)
107	138	{
108	139	// SN76489 can't be read, it appears from the schematics this is what happens
109	140	switch (offset)
r26030	r26031
116	147
117	148	case 2:
118	149	return m_latch2;
	150
	151	case 3:
	152	return m_latch3;
119	153	}
120	154
121	155	return 0xff;
122	156	}
123	157
124		void a2bus_alfam2_device::write_c0nx(address_space &space, UINT8 offset, UINT8 data)
	158	void a2bus_sn76489_device::write_c0nx(address_space &space, UINT8 offset, UINT8 data)
125	159	{
126	160	switch (offset)
127	161	{
r26030	r26031
139	173	m_sn3->write(space, 0, data);
140	174	m_latch2 = data;
141	175	break;
	176
	177	case 3:
	178	if (m_has4thsn)
	179	{
	180	m_sn4->write(space, 0, data);
	181	m_latch3 = data;
	182	}
	183	break;
142	184	}
143	185	}
144	186
145		bool a2bus_alfam2_device::take_c800()
	187	bool a2bus_sn76489_device::take_c800()
146	188	{
147	189	return false;
148	190	}

trunk/src/emu/bus/a2bus/a2alfam2.h

r26030	r26031
2	2
3	3	a2alfam2.h
4	4
5		Implementation of the ALF Apple Music II card
	5	Implementation of the ALF Apple Music II card and compatibles
6	6
7	7	*********************************************************************/
8	8
r26030	r26031
17	17	//  TYPE DEFINITIONS
18	18	//**************************************************************************
19	19
20		class a2bus_alfam2_device:
	20	class a2bus_sn76489_device:
21	21	public device_t,
22	22	public device_a2bus_card_interface
23	23	{
24	24	public:
25	25	// construction/destruction
26		a2bus_alfam2_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source);
27		a2bus_alfam2_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
	26	a2bus_sn76489_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source);
28	27
29	28	// optional information overrides
30	29	virtual machine_config_constructor device_mconfig_additions() const;
r26030	r26031
32	31	required_device<sn76489_device> m_sn1;
33	32	required_device<sn76489_device> m_sn2;
34	33	required_device<sn76489_device> m_sn3;
	34	optional_device<sn76489_device> m_sn4;
35	35
36	36	protected:
37	37	virtual void device_start();
r26030	r26031
43	43	virtual bool take_c800();
44	44
45	45	private:
46		UINT8 m_latch0, m_latch1, m_latch2;
	46	UINT8 m_latch0, m_latch1, m_latch2, m_latch3;
	47
	48	protected:
	49	bool m_has4thsn;
47	50	};
48	51
	52	class a2bus_alfam2_device : public a2bus_sn76489_device
	53	{
	54	public:
	55	a2bus_alfam2_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
	56	};
	57
	58	class a2bus_aesms_device : public a2bus_sn76489_device
	59	{
	60	public:
	61	a2bus_aesms_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
	62
	63	virtual machine_config_constructor device_mconfig_additions() const;
	64	};
	65
49	66	// device type definition
50	67	extern const device_type A2BUS_ALFAM2;
	68	extern const device_type A2BUS_AESMS;
51	69
52	70	#endif /* __A2BUS_ALFAM2__ */

trunk/src/mess/drivers/apple2.c

r26030	r26031
640	640	SLOT_INTERFACE("echoiiplus", A2BUS_ECHOPLUS)    /* Street Electronics Echo Plus (Echo II + Mockingboard clone) */
641	641	SLOT_INTERFACE("scsi", A2BUS_SCSI)  /* Apple II SCSI Card */
642	642	SLOT_INTERFACE("applicard", A2BUS_APPLICARD)    /* PCPI Applicard */
	643	SLOT_INTERFACE("aesms", A2BUS_AESMS)    /* Applied Engineering Super Music Synthesizer */
643	644	SLOT_INTERFACE_END
644	645
645	646	static SLOT_INTERFACE_START(apple2eaux_cards)

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