summaryrefslogtreecommitdiffstatshomepage
path: root/src/mame/drivers/usgames.cpp
blob: 8a7296a5f18664e0495178dec03d6741fe760ea5 (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
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
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
// license:BSD-3-Clause
// copyright-holders:David Haywood, Nicola Salmoria
/*

US Games - Trivia / Quiz / 'Amusement Only' Gambling Games


there is a 'Security Test' in service mode

'superten', 'usg82', and 'usg83x' don't seem to be able to record
the changes you make in the "test mode" 8(


readme info

US Games
Counter Top Mini Games
1987-1992

In this archive are different versions.
Version 3.2, 8.3, 18.5, and 25.2.

Hardware Specs: MC6809P, MC6845P, MB8146A x 3
Sound: AY-3-8912A

*/

#include "emu.h"
#include "includes/usgames.h"

#include "cpu/m6809/m6809.h"
#include "machine/nvram.h"
#include "sound/ay8910.h"
#include "video/mc6845.h"
#include "screen.h"
#include "speaker.h"


void usgames_state::machine_start()
{
	m_leds.resolve();

	membank("bank1")->configure_entries(0, 16, memregion("maincpu")->base() + 0x10000, 0x4000);
}

void usgames_state::rombank_w(uint8_t data)
{
	membank("bank1")->set_entry(data);
}

void usgames_state::lamps1_w(uint8_t data)
{
	/* button lamps */
	for (int i = 0; i < 4; i++)
		m_leds[i] = BIT(data, i);

	/* bit 5 toggles all the time - extra lamp? */
}

void usgames_state::lamps2_w(uint8_t data)
{
	/* bit 5 toggles all the time - extra lamp? */
}


void usgames_state::usgames_map(address_map &map)
{
	map(0x0000, 0x1fff).ram().share("nvram");
	map(0x2000, 0x2000).portr("DSW");
	map(0x2010, 0x2010).portr("INPUTS");
	map(0x2020, 0x2020).w(FUNC(usgames_state::lamps1_w));
	map(0x2030, 0x2030).w(FUNC(usgames_state::lamps2_w));
	map(0x2040, 0x2040).w("crtc", FUNC(mc6845_device::address_w));
	map(0x2041, 0x2041).portr("UNK1");
	map(0x2041, 0x2041).w("crtc", FUNC(mc6845_device::register_w));
	map(0x2060, 0x2060).w(FUNC(usgames_state::rombank_w));
	map(0x2070, 0x2070).portr("UNK2");
	map(0x2400, 0x2401).w("aysnd", FUNC(ay8912_device::address_data_w));
	map(0x2800, 0x2fff).ram().w(FUNC(usgames_state::charram_w)).share("charram");
	map(0x3000, 0x3fff).ram().share("videoram");
	map(0x4000, 0x7fff).bankr("bank1");
	map(0x8000, 0xffff).rom();
}


void usgames_state::usg185_map(address_map &map)
{
	map(0x0000, 0x1fff).ram().share("nvram");
	map(0x2000, 0x2001).w("aysnd", FUNC(ay8912_device::address_data_w));
	map(0x2400, 0x2400).portr("DSW");
	map(0x2410, 0x2410).portr("INPUTS");
	map(0x2420, 0x2420).w(FUNC(usgames_state::lamps1_w));
	map(0x2430, 0x2430).w(FUNC(usgames_state::lamps2_w));
	map(0x2440, 0x2440).w("crtc", FUNC(mc6845_device::address_w));
	map(0x2441, 0x2441).portr("UNK1");
	map(0x2441, 0x2441).w("crtc", FUNC(mc6845_device::register_w));
	map(0x2460, 0x2460).w(FUNC(usgames_state::rombank_w));
	map(0x2470, 0x2470).portr("UNK2");
	map(0x2800, 0x2fff).ram().w(FUNC(usgames_state::charram_w)).share("charram");
	map(0x3000, 0x3fff).ram().share("videoram");
	map(0x4000, 0x7fff).bankr("bank1");
	map(0x8000, 0xffff).rom();
}


static INPUT_PORTS_START( usg32 )
	PORT_START("INPUTS")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_NAME("Button 1") PORT_CODE(KEYCODE_Z)
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_NAME("Button 2") PORT_CODE(KEYCODE_X)
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_NAME("Button 3") PORT_CODE(KEYCODE_C)
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON4 ) PORT_NAME("Button 4") PORT_CODE(KEYCODE_V)
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON5 ) PORT_NAME("Button 5") PORT_CODE(KEYCODE_B)
	PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x20, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_COIN1 )
	PORT_DIPNAME( 0x80, 0x80, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x80, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )

	PORT_START("DSW")
	PORT_DIPNAME( 0x01, 0x01, "Service Keyboard Attached?" )    // Not actually a DIP, when keyboard is plugged in, this goes low
	PORT_DIPSETTING(    0x01, DEF_STR( No ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Yes ) )
	PORT_SERVICE_NO_TOGGLE( 0x02, IP_ACTIVE_HIGH )
	PORT_DIPNAME( 0x04, 0x04, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x04, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x08, 0x08, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x08, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x10, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x20, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_CUSTOM ) // +12 Volts?
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_CUSTOM ) PORT_VBLANK("screen")

	PORT_START("UNK1")
	PORT_DIPNAME( 0x01, 0x01, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x01, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x02, 0x02, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x02, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x04, 0x04, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x04, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x08, 0x08, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x08, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x10, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x20, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x40, 0x40, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x40, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x80, 0x80, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x80, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )

	PORT_START("UNK2")
	PORT_DIPNAME( 0x01, 0x01, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x01, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x02, 0x02, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x02, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x04, 0x04, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x04, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x08, 0x08, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x08, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x10, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x20, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x40, 0x40, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x40, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x80, 0x80, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x80, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
INPUT_PORTS_END

/* From here, the hardware was slightly upgraded, but not too different. */
static INPUT_PORTS_START( usg83 )
	PORT_INCLUDE( usg32 )

	PORT_MODIFY("DSW")
	PORT_DIPNAME( 0x04, 0x04, "Test_Switch" )
	PORT_DIPSETTING(    0x04, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
INPUT_PORTS_END


static const gfx_layout charlayout =
{
	8,8,
	0x100,
	1,
	{ 0 },
	{ 0, 1, 2, 3, 4, 5, 6, 7 },
	{ 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 },
	8*8
};

static GFXDECODE_START( gfx_usgames )
	GFXDECODE_ENTRY( nullptr, 0x2800, charlayout, 0, 1 )
GFXDECODE_END


void usgames_state::usg32(machine_config &config)
{
	/* basic machine hardware */
	MC6809(config, m_maincpu, 18_MHz_XTAL / 3); // 68B09P (divider not verified)
	m_maincpu->set_addrmap(AS_PROGRAM, &usgames_state::usgames_map);
	m_maincpu->set_periodic_int(FUNC(usgames_state::irq0_line_hold), attotime::from_hz(5*60)); /* ?? */

	NVRAM(config, "nvram", nvram_device::DEFAULT_ALL_0);

	/* video hardware */
	screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER));
	screen.set_refresh_hz(60);
	screen.set_vblank_time(ATTOSECONDS_IN_USEC(2500) /* not accurate */);
	screen.set_size(64*8, 32*8);
	screen.set_visarea(7*8, 57*8-1, 0*8, 31*8-1);
	screen.set_screen_update("crtc", FUNC(mc6845_device::screen_update));

	GFXDECODE(config, m_gfxdecode, "palette", gfx_usgames);
	PALETTE(config, "palette", FUNC(usgames_state::usgames_palette), 16);

	mc6845_device &crtc(MC6845(config, "crtc", 18_MHz_XTAL / 16));
	crtc.set_screen("screen");
	crtc.set_show_border_area(false);
	crtc.set_char_width(8);
	crtc.set_update_row_callback(FUNC(usgames_state::update_row));

	/* sound hardware */
	SPEAKER(config, "mono").front_center();

	AY8912(config, "aysnd", 2000000).add_route(ALL_OUTPUTS, "mono", 0.30);
}

void usgames_state::usg185(machine_config &config)
{
	usg32(config);
	m_maincpu->set_addrmap(AS_PROGRAM, &usgames_state::usg185_map);
}


ROM_START( usg32 )
	ROM_REGION( 0x80000, "maincpu", 0 )
	ROM_LOAD( "usg32-0.bin", 0x08000, 0x08000, CRC(bc313387) SHA1(8df2e2736f14e965303993ae4105176bdd59f49d) )
	/* for the banked region */
	ROM_LOAD( "usg32-1.bin", 0x18000, 0x08000, CRC(baaea800) SHA1(1f35b8c0d40a923488c591497a3c3806d6d104e1) )
	ROM_LOAD( "usg32-2.bin", 0x28000, 0x08000, CRC(d73d7f48) SHA1(a76582b80acd38abbb6f0f61d27b2920a3128516) )
	ROM_LOAD( "usg32-3.bin", 0x38000, 0x08000, CRC(22747804) SHA1(b86af1db1733ddd0629843e44da9bc8d6b102eb6) )
ROM_END

ROM_START( superten ) /*  Version 8.3 - You can't change the status of "Sexy Triv I" and "Sexy Triv II" */
	ROM_REGION( 0x80000, "maincpu", 0 )
	ROM_LOAD( "usg83-rom0.bin", 0x08000, 0x08000, CRC(aae84186) SHA1(8385b5c1dded1ea6f90c277b045778c7110a45db) ) /* FRI JUL 01 22:43:10 1988, Checksum=30DF19 */
	/* for the banked region */
	ROM_LOAD( "usg83-rom1.bin", 0x18000, 0x08000, CRC(7b520b6f) SHA1(2231e63fecc6e9026dd4b6ee3e21a74cc0e0ae44) ) /* WED JUL 13 02:01:33 1988, Checksum=26F176 */
	ROM_LOAD( "usg83-rom2.bin", 0x28000, 0x08000, CRC(29fbb23b) SHA1(6c2c17897e60ec8d4cdeaf9b382ef00ab71f6e0a) ) /* THU FEB 04 12:27:14 1988, Checksum=7068E1 */
	ROM_LOAD( "usg83-rom3.bin", 0x38000, 0x10000, CRC(4e110844) SHA1(b51c596a41760f1f0f70f49ae81f03d98a17fb6f) ) /* WED NOV 25 14:57:05 1987, Checksum=6E3126 */
	ROM_LOAD( "usg83-rom4.bin", 0x48000, 0x08000, CRC(437697c4) SHA1(d14ae6f0b7adfb921c69ae3fdcd2cb525cb731fa) ) /* WED NOV 25 14:53:29 1987, Checksum DC7BF5 */
ROM_END

ROM_START( usg83x ) /* Version 8.3x - You can change the status of "Sexy Triv I" */
	ROM_REGION( 0x80000, "maincpu", 0 )
	ROM_LOAD( "usg83x-rom0.bin", 0x08000, 0x08000, CRC(4ad9b6e0) SHA1(54940619511b37577bbcd9d05b941079ba793c72) ) /* FRI JUL 01 22:43:10 1988, Checksum=30DF51 */
	/* for the banked region */
	ROM_LOAD( "usg83-rom1.bin",  0x18000, 0x08000, CRC(7b520b6f) SHA1(2231e63fecc6e9026dd4b6ee3e21a74cc0e0ae44) ) /* WED JUL 13 02:01:33 1988, Checksum=26F176 */
	ROM_LOAD( "usg83-rom2.bin",  0x28000, 0x08000, CRC(29fbb23b) SHA1(6c2c17897e60ec8d4cdeaf9b382ef00ab71f6e0a) ) /* THU FEB 04 12:27:14 1988, Checksum=7068E1 */
	ROM_LOAD( "usg83x-rom3.bin", 0x38000, 0x08000, CRC(41c475ac) SHA1(48019843e2f57bf4c2fca5136e3d0a64de3dfc04) ) /* WED NOV 25 14:50:08 1987, Checksum=6E815F */
	ROM_LOAD( "usg83-rom4.bin",  0x48000, 0x08000, CRC(437697c4) SHA1(d14ae6f0b7adfb921c69ae3fdcd2cb525cb731fa) ) /* WED NOV 25 14:53:29 1987, Checksum DC7BF5 */
ROM_END

ROM_START( usg82 ) /*  Version 8.2 - "Sport Triv" and "Rush Hour" aren't available by default */
	ROM_REGION( 0x80000, "maincpu", 0 )
	ROM_LOAD( "usg82-rom0.bin", 0x08000, 0x08000, CRC(09c20b78) SHA1(8b622fef536e98e22866a15c6a5b5da583169e8c) ) /* MON FEB 08 11:23:01 1988, Checksum=31911A */
	/* for the banked region */
	ROM_LOAD( "usg82-rom1.bin", 0x18000, 0x08000, CRC(915a9ff4) SHA1(5007210ed46a9cea530c18a8c4a67b07b87cb781) ) /* FRI FEB 05 16:17:13 1988, Checksum=36B7A3 */
	ROM_LOAD( "usg82-rom2.bin", 0x28000, 0x08000, CRC(29fbb23b) SHA1(6c2c17897e60ec8d4cdeaf9b382ef00ab71f6e0a) ) /* THU FEB 04 12:27:14 1988, Checksum=7068E1 */
	ROM_LOAD( "usg82-rom3.bin", 0x38000, 0x10000, CRC(4e110844) SHA1(b51c596a41760f1f0f70f49ae81f03d98a17fb6f) ) /* WED NOV 25 14:57:05 1987, Checksum=6E3126 */
	ROM_LOAD( "usg82-rom4.bin", 0x48000, 0x08000, CRC(437697c4) SHA1(d14ae6f0b7adfb921c69ae3fdcd2cb525cb731fa) ) /* WED NOV 25 14:53:29 1987, Checksum DC7BF5 */
ROM_END


/*
Games V18.2
US Games, 1989

A Trivia game by US Games.
The PCB looks _A LOT_ like a Williams Pinball PCB.
Perhaps they manufactured it?

PCB Layout
----------

|--------------------------------------------------|
|   DS1225   6809     68B45     AY-3-8912   TDA2003|
|                                      18MHz       |
|    GROM0                                         |-|
|           PAL                            ULN2805   |
|    GROM1          6116  6116                      2|
|                                                   2|
|    GROM2                                          W|
|                                                   A|
|    GROM3                                          Y|
|LED                                                 |
|LED GROM4                                         |-|
|    PAL      6116                                 |
|--------------------------------------------------|

Rom labels verified for v18.5, which look like this:

Copyright 1986-90     Copyright 1986-90     Copyright 1986-90     Copyright 1986-90     Copyright 1986-90
  U.S.Games.Inc.        U.S.Games.Inc.        U.S.Games.Inc.        U.S.Games.Inc.        U.S.Games.Inc.
   Version 18.5          Version 18.5          Version 18.5          Version 18.5          Version 18.5
  ROM 0 CS=315D5C       ROM 1 CS=2CB91D       ROM 2 CS=8973C0       ROM 3 CS=76AEBF       ROM 4 CS=90B95E

The first screen that comes up reports:

+--------------+-----------------------------+
|SPECIAL THANKS| ROM0  V18.5  315D5C  ****** |
|MARGARET+JAMIE+-----------------------------+
|FOR EVERYTHING| ROM1  V18.5  2CB91D  2CB91D |
|TESTSWITCH:OK!+-----------------------------+
|SYSTEM RAM:OK!| ROM2  V18.5  4957A2  8973C0 |
|CHARAC RAM:OK!+-----------------------------+
|COLOR  RAM:OK!| ROM3  V18.5  3ADB28  76AEBF |
|BLOCK  RAM:OK!+-----------------------------+
|+12 VOLTS :OK!| ROM4  V18.5  53125B  90B95E |
+--------------+-----------------------------+

This shows corresponding version number and checksums as listed on the labels.

Versions 18.3 and 18.6 confirmed to exist, just not currently dumped.

*/

ROM_START( usgames ) /* Version 25.4x */
	ROM_REGION( 0x80000, "maincpu", 0 )
	ROM_LOAD( "version_25.4x_rom0_cs=324591.u12", 0x08000, 0x08000, CRC(766a855a) SHA1(e67ca9944d92192de423de6aa8a60f2e28b17db1) )
	/* for the banked region */
	ROM_LOAD( "version_25.4x_rom2_cs=6a42e7.u28", 0x1c000, 0x04000, CRC(d44d2ffa) SHA1(8bd756418b4f8ad11cb0f2044fb91c63d7771497) )  // ROM 2
	ROM_CONTINUE(                                 0x18000, 0x04000 )
	ROM_CONTINUE(                                 0x14000, 0x04000 )
	ROM_CONTINUE(                                 0x10000, 0x04000 )
	ROM_LOAD( "version_25.4x_rom1_cs=31a223.u18", 0x2c000, 0x04000, CRC(2fff1da2) SHA1(c44718f7aab82f45379f21b68e8ee2668fe3a378) )  // ROM 1
	ROM_CONTINUE(                                 0x28000, 0x04000 )
	ROM_CONTINUE(                                 0x24000, 0x04000 )
	ROM_CONTINUE(                                 0x20000, 0x04000 )
	ROM_LOAD( "version_25.4x_rom4_cs=5a447e.u36", 0x3c000, 0x04000, CRC(b6d007be) SHA1(ec2afe983fd925d9f4602f47ddadd117bcc74972) )  // ROM 4
	ROM_CONTINUE(                                 0x38000, 0x04000 )
	ROM_CONTINUE(                                 0x34000, 0x04000 )
	ROM_CONTINUE(                                 0x30000, 0x04000 )
	ROM_LOAD( "version_25.4x_rom3_cs=7924ba.u35", 0x4c000, 0x04000, CRC(9542295b) SHA1(56dd7b8fd581779656cb71cc42dbb9f77fb303f4) )  // ROM 3
	ROM_CONTINUE(                                 0x48000, 0x04000 )
	ROM_CONTINUE(                                 0x44000, 0x04000 )
	ROM_CONTINUE(                                 0x40000, 0x04000 )
ROM_END


ROM_START( usg187c ) /* Version 18.7C */
	ROM_REGION( 0x80000, "maincpu", 0 )
	ROM_LOAD( "version_18.7c_rom0_cs=30a6ba.u12", 0x08000, 0x08000, CRC(2f4ed125) SHA1(6ea2ce263b8abe8d283d1c85d403ec908a422448) )
	/* for the banked region */
	ROM_LOAD( "version_18.7c_rom4_cs=90b95e.u36", 0x10000, 0x10000, CRC(b104744d) SHA1(fa2128c39a135b119ef625eed447afa523f912c0) )
	ROM_LOAD( "version_18.7c_rom3_cs=76aebf.u35", 0x20000, 0x10000, CRC(795e71c8) SHA1(852dceab906f79d05da67a81f855c71738662430) )
	ROM_LOAD( "version_18.7c_rom2_cs=8973c0.u28", 0x30000, 0x10000, CRC(c6ba8a81) SHA1(e826492626707e30782d4d2f42419357970d67b3) )
	ROM_LOAD( "version_18.7c_rom1_cs=6dcfd3.u18", 0x40000, 0x10000, CRC(1cfd934d) SHA1(544c41c5fcc2e576f5a8c88996f9257956f6c580) )
ROM_END


ROM_START( usg185 ) /* Version 18.5 */
	ROM_REGION( 0x80000, "maincpu", 0 )
	ROM_LOAD( "version_18.5_rom0_cs=315d5c.u12", 0x08000, 0x08000, CRC(2cc68502) SHA1(e00b5bb5ca5a4a5f5ee3c8b0fd779659337f881f) )
	/* for the banked region */
	ROM_LOAD( "version_18.5_rom4_cs=90b95e.u36", 0x10000, 0x10000, CRC(b104744d) SHA1(fa2128c39a135b119ef625eed447afa523f912c0) )
	ROM_LOAD( "version_18.5_rom3_cs=76aebf.u35", 0x20000, 0x10000, CRC(795e71c8) SHA1(852dceab906f79d05da67a81f855c71738662430) )
	ROM_LOAD( "version_18.5_rom2_cs=8973c0.u28", 0x30000, 0x10000, CRC(c6ba8a81) SHA1(e826492626707e30782d4d2f42419357970d67b3) )
	ROM_LOAD( "version_18.5_rom1_cs=2cb91d.u18", 0x48000, 0x08000, CRC(bd384e5a) SHA1(1a09e2485471aa22f4260e6993f4636f7310e0b5) )
ROM_END


ROM_START( usg182 ) /* Version 18.2 */
	ROM_REGION( 0x80000, "maincpu", 0 )
	ROM_LOAD( "version_18.2_rom0_cs=2e6ae3.u12",    0x08000, 0x08000, CRC(f5a053c1) SHA1(ae2740cd9af0af7a74a88720ebafd785bfc8614b) )
	/* for the banked region */
	ROM_LOAD( "version_18.2_rom4_cs=90b95e.u36", 0x10000, 0x10000, CRC(b104744d) SHA1(fa2128c39a135b119ef625eed447afa523f912c0) )
	ROM_LOAD( "version_18.2_rom3_cs=76aebf.u35", 0x20000, 0x10000, CRC(795e71c8) SHA1(852dceab906f79d05da67a81f855c71738662430) )
	ROM_LOAD( "version_18.2_rom2_cs=8973c0.u28", 0x30000, 0x10000, CRC(c6ba8a81) SHA1(e826492626707e30782d4d2f42419357970d67b3) )
	ROM_LOAD( "version_18.2_rom1_cs=2bf00d.u18", 0x48000, 0x08000, CRC(73bbc1c8) SHA1(9bb5067bf914b7c87a1ee29d6818de782fa28637) )
ROM_END


GAME( 1987, usg32,    0,        usg32,  usg32, usgames_state, empty_init, ROT0, "U.S. Games", "Super Duper Casino (California V3.2)", MACHINE_SUPPORTS_SAVE )
GAME( 1988, superten, 0,        usg32,  usg83, usgames_state, empty_init, ROT0, "U.S. Games", "Super Ten V8.3",                       MACHINE_SUPPORTS_SAVE )
GAME( 1988, usg83x,   superten, usg32,  usg83, usgames_state, empty_init, ROT0, "U.S. Games", "Super Ten V8.3X",                      MACHINE_SUPPORTS_SAVE ) /* "Experimental" version?? */
GAME( 1988, usg82,    superten, usg32,  usg83, usgames_state, empty_init, ROT0, "U.S. Games", "Super Ten V8.2" ,                      MACHINE_SUPPORTS_SAVE )
GAME( 1992, usgames,  0,        usg185, usg83, usgames_state, empty_init, ROT0, "U.S. Games", "Games V25.4X",                         MACHINE_SUPPORTS_SAVE )
GAME( 1991, usg187c,  usgames,  usg185, usg83, usgames_state, empty_init, ROT0, "U.S. Games", "Games V18.7C",                         MACHINE_SUPPORTS_SAVE )
GAME( 1990, usg185,   usgames,  usg185, usg83, usgames_state, empty_init, ROT0, "U.S. Games", "Games V18.5",                          MACHINE_SUPPORTS_SAVE )
GAME( 1989, usg182,   usgames,  usg185, usg83, usgames_state, empty_init, ROT0, "U.S. Games", "Games V18.2",                          MACHINE_SUPPORTS_SAVE )