summaryrefslogtreecommitdiffstatshomepage
path: root/src/devices/bus/isa/svga_cirrus.cpp
blob: 943606e9be4b796edc0a465e1191631cd2e41be2 (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
156
157
158
159
160
161
162
163
164
165
166
167
168
// license:BSD-3-Clause
// copyright-holders:Barry Rodewald
/***************************************************************************

  ISA SVGA Cirrus Logic wrapper

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

#include "emu.h"
#include "svga_cirrus.h"

#include "screen.h"


ROM_START( dm_clgd5430 )
	ROM_REGION(0x8000,"dm_clgd5430", 0)
	ROM_LOAD("speedstar_pro_se_v1.00.u2", 0x00000, 0x8000, CRC(ed79572c) SHA1(15131e2b2db7a34971083a250e4a21ab7bd64a9d) )
	ROM_IGNORE( 0x8000 )
ROM_END

//**************************************************************************
//  GLOBAL VARIABLES
//**************************************************************************

DEFINE_DEVICE_TYPE(ISA16_SVGA_CIRRUS,        isa16_svga_cirrus_device,        "dm_clgd5430", "Diamond Speedstar Pro SE ISA Graphics Card (BIOS v1.00)")
DEFINE_DEVICE_TYPE(ISA16_SVGA_CIRRUS_GD542X, isa16_svga_cirrus_gd542x_device, "clgd542x",    "Generic Cirrus Logic CD542 Graphics Card (BIOS v1.20)")


//-------------------------------------------------
//  device_add_mconfig - add device configuration
//-------------------------------------------------

void isa16_svga_cirrus_device::device_add_mconfig(machine_config &config)
{
	screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER));
	screen.set_raw(25.175_MHz_XTAL, 800, 0, 640, 524, 0, 480);
	screen.set_screen_update("vga", FUNC(cirrus_gd5430_device::screen_update));

	CIRRUS_GD5430(config, m_vga, 0).set_screen("screen");
}

//-------------------------------------------------
//  rom_region - device-specific ROM region
//-------------------------------------------------

const tiny_rom_entry *isa16_svga_cirrus_device::device_rom_region() const
{
	return ROM_NAME( dm_clgd5430 );
}

//**************************************************************************
//  LIVE DEVICE
//**************************************************************************

//-------------------------------------------------
//  isa16_vga_device - constructor
//-------------------------------------------------

isa16_svga_cirrus_device::isa16_svga_cirrus_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) :
	device_t(mconfig, ISA16_SVGA_CIRRUS, tag, owner, clock),
	device_isa16_card_interface(mconfig, *this),
	m_vga(*this, "vga")
{
}

//-------------------------------------------------
//  device_start - device-specific startup
//-------------------------------------------------
uint8_t isa16_svga_cirrus_device::input_port_0_r() { return 0xff; } //return machine().root_device().ioport("IN0")->read(); }

void isa16_svga_cirrus_device::device_start()
{
	set_isa_device();

	m_isa->install_rom(this, 0xc0000, 0xc7fff, "dm_clgd5430");

	m_isa->install_device(0x03b0, 0x03bf, read8sm_delegate(*m_vga, FUNC(cirrus_gd5430_device::port_03b0_r)), write8sm_delegate(*m_vga, FUNC(cirrus_gd5430_device::port_03b0_w)));
	m_isa->install_device(0x03c0, 0x03cf, read8sm_delegate(*m_vga, FUNC(cirrus_gd5430_device::port_03c0_r)), write8sm_delegate(*m_vga, FUNC(cirrus_gd5430_device::port_03c0_w)));
	m_isa->install_device(0x03d0, 0x03df, read8sm_delegate(*m_vga, FUNC(cirrus_gd5430_device::port_03d0_r)), write8sm_delegate(*m_vga, FUNC(cirrus_gd5430_device::port_03d0_w)));

	m_isa->install_memory(0xa0000, 0xbffff, read8sm_delegate(*m_vga, FUNC(cirrus_gd5430_device::mem_r)), write8sm_delegate(*m_vga, FUNC(cirrus_gd5430_device::mem_w)));
}

//-------------------------------------------------
//  device_reset - device-specific reset
//-------------------------------------------------

void isa16_svga_cirrus_device::device_reset()
{
}


/*
    Generic CL-GD542x video card
*/

ROM_START( clgd542x )
	ROM_REGION(0x08000, "clgd542x", 0)
	ROM_LOAD16_BYTE("techyosd-isa-bios-v1.2.u8",     0x00000, 0x04000, CRC(6adf7e71) SHA1(2b07d964cc7c2c0aa560625b7c12f38d4537d652) )
	ROM_CONTINUE(                                    0x00001, 0x04000 )
ROM_END

//**************************************************************************
//  GLOBAL VARIABLES
//**************************************************************************

//-------------------------------------------------
//  device_add_mconfig - add device configuration
//-------------------------------------------------

void isa16_svga_cirrus_gd542x_device::device_add_mconfig(machine_config &config)
{
	screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER));
	screen.set_raw(25.175_MHz_XTAL, 800, 0, 640, 524, 0, 480);
	screen.set_screen_update("vga", FUNC(cirrus_gd5428_device::screen_update));

	CIRRUS_GD5428(config, m_vga, 0).set_screen("screen");
}

//-------------------------------------------------
//  rom_region - device-specific ROM region
//-------------------------------------------------

const tiny_rom_entry *isa16_svga_cirrus_gd542x_device::device_rom_region() const
{
	return ROM_NAME( clgd542x );
}

//**************************************************************************
//  LIVE DEVICE
//**************************************************************************

//-------------------------------------------------
//  isa16_vga_device - constructor
//-------------------------------------------------

isa16_svga_cirrus_gd542x_device::isa16_svga_cirrus_gd542x_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) :
	device_t(mconfig, ISA16_SVGA_CIRRUS_GD542X, tag, owner, clock),
	device_isa16_card_interface(mconfig, *this),
	m_vga(*this, "vga")
{
}

//-------------------------------------------------
//  device_start - device-specific startup
//-------------------------------------------------
uint8_t isa16_svga_cirrus_gd542x_device::input_port_0_r() { return 0xff; } //return machine().root_device().ioport("IN0")->read(); }

void isa16_svga_cirrus_gd542x_device::device_start()
{
	set_isa_device();

	m_isa->install_rom(this, 0xc0000, 0xc7fff, "clgd542x");

	m_isa->install_device(0x03b0, 0x03bf, read8sm_delegate(*m_vga, FUNC(cirrus_gd5428_device::port_03b0_r)), write8sm_delegate(*m_vga, FUNC(cirrus_gd5428_device::port_03b0_w)));
	m_isa->install_device(0x03c0, 0x03cf, read8sm_delegate(*m_vga, FUNC(cirrus_gd5428_device::port_03c0_r)), write8sm_delegate(*m_vga, FUNC(cirrus_gd5428_device::port_03c0_w)));
	m_isa->install_device(0x03d0, 0x03df, read8sm_delegate(*m_vga, FUNC(cirrus_gd5428_device::port_03d0_r)), write8sm_delegate(*m_vga, FUNC(cirrus_gd5428_device::port_03d0_w)));

	m_isa->install_memory(0xa0000, 0xbffff, read8sm_delegate(*m_vga, FUNC(cirrus_gd5428_device::mem_r)), write8sm_delegate(*m_vga, FUNC(cirrus_gd5428_device::mem_w)));
}

//-------------------------------------------------
//  device_reset - device-specific reset
//-------------------------------------------------

void isa16_svga_cirrus_gd542x_device::device_reset()
{
}