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
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
|
// license:BSD-3-Clause
// copyright-holders:Curt Coder
/**********************************************************************
TeleNova Compis (Ultra) High Resolution Graphics adapter emulation
**********************************************************************/
#include "hrg.h"
//**************************************************************************
// MACROS / CONSTANTS
//**************************************************************************
#define UPD7220_TAG "upd7220"
#define SCREEN_TAG "screen"
//**************************************************************************
// DEVICE DEFINITIONS
//**************************************************************************
const device_type COMPIS_HRG = &device_creator<compis_hrg_t>;
const device_type COMPIS_UHRG = &device_creator<compis_uhrg_t>;
//-------------------------------------------------
// ADDRESS_MAP( upd7220_map )
//-------------------------------------------------
static ADDRESS_MAP_START( hrg_map, AS_0, 16, compis_hrg_t )
ADDRESS_MAP_GLOBAL_MASK(0x7fff)
AM_RANGE(0x00000, 0x7fff) AM_RAM AM_SHARE("video_ram")
ADDRESS_MAP_END
static ADDRESS_MAP_START( uhrg_map, AS_0, 16, compis_uhrg_t )
ADDRESS_MAP_GLOBAL_MASK(0x1ffff)
AM_RANGE(0x00000, 0x1ffff) AM_RAM AM_SHARE("video_ram")
ADDRESS_MAP_END
//-------------------------------------------------
// UPD7220_INTERFACE( hgdc_intf )
//-------------------------------------------------
UPD7220_DISPLAY_PIXELS_MEMBER( compis_hrg_t::display_pixels )
{
UINT16 i,gfx = m_video_ram[(address & 0x7fff) >> 1];
const pen_t *pen = m_palette->pens();
for(i=0; i<16; i++)
bitmap.pix32(y, x + i) = pen[BIT(gfx, i)];
}
//-------------------------------------------------
// MACHINE_CONFIG_FRAGMENT( hrg )
//-------------------------------------------------
static MACHINE_CONFIG_FRAGMENT( hrg )
MCFG_SCREEN_ADD_MONOCHROME(SCREEN_TAG, RASTER, rgb_t::green)
MCFG_SCREEN_VIDEO_ATTRIBUTES(VIDEO_UPDATE_BEFORE_VBLANK)
MCFG_SCREEN_REFRESH_RATE(50)
MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) // not accurate
MCFG_SCREEN_SIZE(640, 400)
MCFG_SCREEN_VISIBLE_AREA(0, 640-1, 0, 400-1)
MCFG_SCREEN_UPDATE_DEVICE(UPD7220_TAG, upd7220_device, screen_update)
MCFG_DEVICE_ADD(UPD7220_TAG, UPD7220, XTAL_4_433619MHz/2) // unknown clock
MCFG_DEVICE_ADDRESS_MAP(AS_0, hrg_map)
MCFG_UPD7220_DISPLAY_PIXELS_CALLBACK_OWNER(compis_hrg_t, display_pixels)
MCFG_VIDEO_SET_SCREEN(SCREEN_TAG)
MCFG_PALETTE_ADD_MONOCHROME("palette")
MACHINE_CONFIG_END
//-------------------------------------------------
// machine_config_additions - device-specific
// machine configurations
//-------------------------------------------------
machine_config_constructor compis_hrg_t::device_mconfig_additions() const
{
return MACHINE_CONFIG_NAME( hrg );
}
//-------------------------------------------------
// MACHINE_CONFIG_FRAGMENT( uhrg )
//-------------------------------------------------
static MACHINE_CONFIG_FRAGMENT( uhrg )
MCFG_SCREEN_ADD_MONOCHROME(SCREEN_TAG, RASTER, rgb_t::green)
MCFG_SCREEN_VIDEO_ATTRIBUTES(VIDEO_UPDATE_BEFORE_VBLANK)
MCFG_SCREEN_REFRESH_RATE(50)
MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) // not accurate
MCFG_SCREEN_SIZE(1280, 800)
MCFG_SCREEN_VISIBLE_AREA(0, 1280-1, 0, 800-1)
MCFG_SCREEN_UPDATE_DEVICE(UPD7220_TAG, upd7220_device, screen_update)
MCFG_DEVICE_ADD(UPD7220_TAG, UPD7220, XTAL_4_433619MHz/2) // unknown clock
MCFG_DEVICE_ADDRESS_MAP(AS_0, uhrg_map)
MCFG_UPD7220_DISPLAY_PIXELS_CALLBACK_OWNER(compis_hrg_t, display_pixels)
MCFG_VIDEO_SET_SCREEN(SCREEN_TAG)
MCFG_PALETTE_ADD_MONOCHROME("palette")
MACHINE_CONFIG_END
//-------------------------------------------------
// machine_config_additions - device-specific
// machine configurations
//-------------------------------------------------
machine_config_constructor compis_uhrg_t::device_mconfig_additions() const
{
return MACHINE_CONFIG_NAME( uhrg );
}
//**************************************************************************
// LIVE DEVICE
//**************************************************************************
//-------------------------------------------------
// compis_hrg_t - constructor
//-------------------------------------------------
compis_hrg_t::compis_hrg_t(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source) :
device_t(mconfig, type, name, tag, owner, clock, shortname, source),
device_compis_graphics_card_interface(mconfig, *this),
m_crtc(*this, UPD7220_TAG),
m_palette(*this, "palette"),
m_video_ram(*this, "video_ram")
{
}
compis_hrg_t::compis_hrg_t(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) :
compis_hrg_t(mconfig, COMPIS_HRG, "Compis HRG", tag, owner, clock, "compis_hrg", __FILE__)
{
}
compis_uhrg_t::compis_uhrg_t(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) :
compis_hrg_t(mconfig, COMPIS_UHRG, "Compis UHRG", tag, owner, clock, "compis_uhrg", __FILE__)
{
}
//-------------------------------------------------
// device_start - device-specific startup
//-------------------------------------------------
void compis_hrg_t::device_start()
{
}
//-------------------------------------------------
// device_reset - device-specific reset
//-------------------------------------------------
void compis_hrg_t::device_reset()
{
}
//-------------------------------------------------
// pcs6_6_r -
//-------------------------------------------------
UINT8 compis_hrg_t::pcs6_6_r(address_space &space, offs_t offset)
{
UINT8 data = 0xff;
if (offset < 2)
data = m_crtc->read(space, offset & 0x01);
else
// monochrome only, hblank? vblank?
if(offset == 2)
{
switch(m_unk_video)
{
case 0x04:
m_unk_video = 0x44;
break;
case 0x44:
m_unk_video = 0x64;
break;
default:
m_unk_video = 0x04;
break;
}
data = m_unk_video;
}
else
data = 0;
logerror("%s PCS 6:6 read %04x : %02x\n", machine().describe_context(), offset, data);
return data;
}
//-------------------------------------------------
// pcs6_6_w -
//-------------------------------------------------
void compis_hrg_t::pcs6_6_w(address_space &space, offs_t offset, UINT8 data)
{
logerror("%s PCS 6:6 write %04x : %02x\n", machine().describe_context(), offset, data);
// 0x336 is likely the color plane register
if (offset < 2) m_crtc->write(space, offset & 0x01, data);
}
|