MAME SVN History

199869 Revisions

r28713 Wednesday 19th March, 2014 at 12:44:45 UTC by Curt Coder
(MESS) micropolis: devcb2. (nw)

[src/mess/machine]

micropolis.c micropolis.h

trunk/src/mess/machine/micropolis.c
r28712	r28713
64	64
65	65	const micropolis_interface default_micropolis_interface =
66	66	{
67		~~DEVCB_NULL, DEVCB_NULL, DEVCB_NULL,~~ { FLOPPY_0, FLOPPY_1, FLOPPY_2, FLOPPY_3}
	67	{ FLOPPY_0, FLOPPY_1, FLOPPY_2, FLOPPY_3}
68	68	};
69	69
70	70	#if 0
71	71	const micropolis_interface default_micropolis_interface_2_drives =
72	72	{
73		~~DEVCB_NULL, DEVCB_NULL, DEVCB_NULL,~~ { FLOPPY_0, FLOPPY_1, NULL, NULL}
	73	{ FLOPPY_0, FLOPPY_1, NULL, NULL}
74	74	};
75	75	#endif
76	76
r28712	r28713
83	83
84	84	micropolis_device::micropolis_device(const machine_config &mconfig, const char tag, device_t owner, UINT32 clock)
85	85	: device_t(mconfig, MICROPOLIS, "MICROPOLIS", tag, owner, clock, "micropolis", __FILE__),
	86	m_read_dden(*this),
	87	m_write_intrq(*this),
	88	m_write_drq(*this),
86	89	m_data(0),
87	90	m_drive_num(0),
88	91	m_track(0),
r28712	r28713
117	120	// or initialize to defaults if none provided
118	121	else
119	122	{
120		memset(&m_in_dden_cb, 0, sizeof(m_in_dden_cb));
121		memset(&m_out_intrq_cb, 0, sizeof(m_out_intrq_cb));
122		memset(&m_out_drq_cb, 0, sizeof(m_out_drq_cb));
123	123	m_floppy_drive_tags[0] = "";
124	124	m_floppy_drive_tags[1] = "";
125	125	m_floppy_drive_tags[2] = "";
r28712	r28713
133	133
134	134	void micropolis_device::device_start()
135	135	{
136		m_in_dden_func.resolve(m_in_dden_cb, *this);
137		m_out_intrq_func.resolve(m_out_intrq_cb, *this);
138		m_out_drq_func.resolve(m_out_drq_cb, *this);
	136	m_read_dden.resolve_safe(1);
	137	m_write_intrq.resolve_safe();
	138	m_write_drq.resolve_safe();
139	139
140	140	save_item(NAME(m_data));
141	141	save_item(NAME(m_drive_num));

trunk/src/mess/machine/micropolis.h
r28712	r28713
17	17	TYPE DEFINITIONS
18	18	***************************************************************************/
19	19
	20	#define MCFG_MICROPOLIS_DDEN_CALLBACK(_read) \
	21	devcb = &micropolis_device::set_dden_rd_callback(*device, DEVCB2_##_read);
	22
	23	#define MCFG_MICROPOLIS_INTRQ_CALLBACK(_write) \
	24	devcb = &micropolis_device::set_intrq_wr_callback(*device, DEVCB2_##_write);
	25
	26	#define MCFG_MICROPOLIS_DRQ_CALLBACK(_write) \
	27	devcb = &micropolis_device::set_drq_wr_callback(*device, DEVCB2_##_write);
	28
20	29	/* Interface */
21	30	struct micropolis_interface
22	31	{
23		devcb_read_line m_in_dden_cb;
24		devcb_write_line m_out_intrq_cb;
25		devcb_write_line m_out_drq_cb;
26	32	const char *m_floppy_drive_tags[4];
27	33	};
28	34
r28712	r28713
31	37	***************************************************************************/
32	38
33	39	class micropolis_device : public device_t,
34		public micropolis_interface
	40	public micropolis_interface
35	41	{
36	42	public:
37	43	micropolis_device(const machine_config &mconfig, const char tag, device_t owner, UINT32 clock);
38	44	~micropolis_device() {}
39	45
	46	template<class _Object> static devcb2_base &set_dden_rd_callback(device_t &device, _Object object) { return downcast<micropolis_device &>(device).m_read_dden.set_callback(object); }
	47	template<class _Object> static devcb2_base &set_intrq_wr_callback(device_t &device, _Object object) { return downcast<micropolis_device &>(device).m_write_intrq.set_callback(object); }
	48	template<class _Object> static devcb2_base &set_drq_wr_callback(device_t &device, _Object object) { return downcast<micropolis_device &>(device).m_write_drq.set_callback(object); }
	49
40	50	void set_drive(UINT8 drive); // set current drive (0-3)
41	51
42	52	DECLARE_READ8_MEMBER( status_r );
r28712	r28713
57	67	private:
58	68	// internal state
59	69
60		devcb_resolved_read_line m_in_dden_func;
61		devcb_resolved_write_line m_out_intrq_func;
62		devcb_resolved_write_line m_out_drq_func;
	70	devcb2_read_line m_read_dden;
	71	devcb2_write_line m_write_intrq;
	72	devcb2_write_line m_write_drq;
63	73
64	74	/* register */
65	75	UINT8 m_data;

199869 Revisions