summaryrefslogtreecommitdiffstatshomepage
path: root/src/emu/bus/iq151/iq151.h
blob: 9b85ee9d3a2722fd11511211491a25042d09b56c (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
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
// license:BSD-3-Clause
// copyright-holders:Sandro Ronco
/*********************************************************************

    iq151cart.h

    IQ151 cartridge slot pinout:

                     +--------+
        +12V         | 01  32 |   IO     /MW
        +12V         | 02  33 |   IO     /IOR
        +5V          | 03  34 |   IO     /IOW
        +5V          | 04  35 |    O     /NRDY
        GND          | 05  36 |    O     /HOLD
        GND          | 06  37 |   I      HLDA
        A0      IO   | 07  38 |    O     /RAM
        A1      IO   | 08  39 |    O     /INT0
        A2      IO   | 09  40 |    O     /INT1
        A3      IO   | 10  41 |    O     /INT2
        A4      IO   | 11  42 |    O     /INT3
        A5      IO   | 12  43 |    O     /INT4
        A6      IO   | 13  44 |    O     /VID
        A7      IO   | 14  45 |   I       OSC
        A8      IO   | 15  46 |   I       TTL
        A9      IO   | 16  47 |    O      NF
        A10     IO   | 17  48 |           N.C.
        A11     IO   | 18  49 |           N.C.
        A12     IO   | 19  50 |   I       /INIT
        A13     IO   | 20  51 |   IO      /SS
        A14     IO   | 21  52 |   IO      /SR
        A15     IO   | 22  53 |           N.C.
        D0      IO   | 23  54 |   IO      /ZS
        D1      IO   | 24  55 |   IO      /ZR
        D2      IO   | 25  56 |    O      /DMA
        D3      IO   | 26  57 |           GND
        D4      IO   | 27  58 |           GND
        D5      IO   | 28  59 |           -5V
        D6      IO   | 29  60 |           -5V
        D7      IO   | 30  61 |           -12V
        /MR     IO   | 31  62 |           -12V
                     +--------+

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

#ifndef __IQ151CART_H__
#define __IQ151CART_H__

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

// ======================> device_iq151cart_interface

class device_iq151cart_interface : public device_slot_card_interface
{
public:
	// construction/destruction
	device_iq151cart_interface(const machine_config &mconfig, device_t &device);
	virtual ~device_iq151cart_interface();

	// reading and writing
	virtual void read(offs_t offset, UINT8 &data) { }
	virtual void write(offs_t offset, UINT8 data) { }
	virtual void io_read(offs_t offset, UINT8 &data) { }
	virtual void io_write(offs_t offset, UINT8 data) { }
	virtual UINT8* get_cart_base() { return NULL; }

	// video update
	virtual void video_update(bitmap_ind16 &bitmap, const rectangle &cliprect) { }
};

// ======================> iq151cart_slot_device

class iq151cart_slot_device : public device_t,
								public device_slot_interface,
								public device_image_interface
{
public:
	// construction/destruction
	iq151cart_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
	virtual ~iq151cart_slot_device();

	template<class _Object> static devcb_base &set_out_irq0_callback(device_t &device, _Object object) { return downcast<iq151cart_slot_device &>(device).m_out_irq0_cb.set_callback(object); }
	template<class _Object> static devcb_base &set_out_irq1_callback(device_t &device, _Object object) { return downcast<iq151cart_slot_device &>(device).m_out_irq1_cb.set_callback(object); }
	template<class _Object> static devcb_base &set_out_irq2_callback(device_t &device, _Object object) { return downcast<iq151cart_slot_device &>(device).m_out_irq2_cb.set_callback(object); }
	template<class _Object> static devcb_base &set_out_irq3_callback(device_t &device, _Object object) { return downcast<iq151cart_slot_device &>(device).m_out_irq3_cb.set_callback(object); }
	template<class _Object> static devcb_base &set_out_irq4_callback(device_t &device, _Object object) { return downcast<iq151cart_slot_device &>(device).m_out_irq4_cb.set_callback(object); }
	template<class _Object> static devcb_base &set_out_drq_callback(device_t &device, _Object object) { return downcast<iq151cart_slot_device &>(device).m_out_drq_cb.set_callback(object); }

	// device-level overrides
	virtual void device_start();
	virtual void device_config_complete();

	// image-level overrides
	virtual bool call_load();
	virtual bool call_softlist_load(software_list_device &swlist, const char *swname, const rom_entry *start_entry);

	virtual iodevice_t image_type() const { return IO_CARTSLOT; }
	virtual bool is_readable()  const { return 1; }
	virtual bool is_writeable() const { return 0; }
	virtual bool is_creatable() const { return 0; }
	virtual bool must_be_loaded() const { return 0; }
	virtual bool is_reset_on_load() const { return 1; }
	virtual const char *image_interface() const { return "iq151_cart"; }
	virtual const char *file_extensions() const { return "bin,rom"; }
	virtual const option_guide *create_option_guide() const { return NULL; }

	// slot interface overrides
	virtual void get_default_card_software(astring &result);

	// reading and writing
	virtual void read(offs_t offset, UINT8 &data);
	virtual void write(offs_t offset, UINT8 data);
	virtual void io_read(offs_t offset, UINT8 &data);
	virtual void io_write(offs_t offset, UINT8 data);
	virtual void video_update(bitmap_ind16 &bitmap, const rectangle &cliprect);

	devcb_write_line                m_out_irq0_cb;
	devcb_write_line                m_out_irq1_cb;
	devcb_write_line                m_out_irq2_cb;
	devcb_write_line                m_out_irq3_cb;
	devcb_write_line                m_out_irq4_cb;
	devcb_write_line                m_out_drq_cb;

	device_iq151cart_interface* m_cart;
};


// device type definition
extern const device_type IQ151CART_SLOT;


/***************************************************************************
    DEVICE CONFIGURATION MACROS
***************************************************************************/

#define MCFG_IQ151CART_SLOT_OUT_IRQ0_CB(_devcb) \
	devcb = &iq151cart_slot_device::set_out_irq0_callback(*device, DEVCB_##_devcb);

#define MCFG_IQ151CART_SLOT_OUT_IRQ1_CB(_devcb) \
	devcb = &iq151cart_slot_device::set_out_irq1_callback(*device, DEVCB_##_devcb);

#define MCFG_IQ151CART_SLOT_OUT_IRQ2_CB(_devcb) \
	devcb = &iq151cart_slot_device::set_out_irq2_callback(*device, DEVCB_##_devcb);

#define MCFG_IQ151CART_SLOT_OUT_IRQ3_CB(_devcb) \
	devcb = &iq151cart_slot_device::set_out_irq3_callback(*device, DEVCB_##_devcb);

#define MCFG_IQ151CART_SLOT_OUT_IRQ4_CB(_devcb) \
	devcb = &iq151cart_slot_device::set_out_irq4_callback(*device, DEVCB_##_devcb);

#define MCFG_IQ151CART_SLOT_OUT_DRQ_CB(_devcb) \
	devcb = &iq151cart_slot_device::set_out_drq_callback(*device, DEVCB_##_devcb);

#endif /* __IQ151CART_H__ */