summaryrefslogtreecommitdiffstatshomepage
path: root/src/mame/drivers/spg2xx_lexibook.cpp
blob: 1ac7783b1766cb4579a9f4beb98c1d4c7342f99c (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
417
418
419
420
421
// license:BSD-3-Clause
// copyright-holders:Ryan Holtz, David Haywood

#include "emu.h"
#include "includes/spg2xx.h"


class spg2xx_lexizeus_game_state : public spg2xx_game_state
{
public:
	spg2xx_lexizeus_game_state(const machine_config &mconfig, device_type type, const char *tag) :
		spg2xx_game_state(mconfig, type, tag)
	{ }

	void lexizeus(machine_config &config);

	void init_zeus();

protected:
	//virtual void machine_start() override;
	//virtual void machine_reset() override;
};


class spg2xx_lexiseal_game_state : public spg2xx_lexizeus_game_state
{
public:
	spg2xx_lexiseal_game_state(const machine_config &mconfig, device_type type, const char *tag) :
		spg2xx_lexizeus_game_state(mconfig, type, tag)
	{ }

	void lexiseal(machine_config& config);

protected:
	//virtual void machine_start() override;
	//virtual void machine_reset() override;

	virtual void portb_w(offs_t offset, uint16_t data, uint16_t mem_mask = ~0) override;
};

class spg2xx_vsplus_game_state : public spg2xx_lexizeus_game_state
{
public:
	spg2xx_vsplus_game_state(const machine_config &mconfig, device_type type, const char *tag) :
		spg2xx_lexizeus_game_state(mconfig, type, tag)
	{ }

	void vsplus(machine_config &config);

	void init_vsplus();

protected:
	//virtual void machine_start() override;
	//virtual void machine_reset() override;

	virtual void portb_w(offs_t offset, uint16_t data, uint16_t mem_mask = ~0) override;
};



static INPUT_PORTS_START( lexizeus ) // how many buttons does this have?  I accidentally entered a secret test mode before that seemed to indicate 6, but can't get there again
	PORT_START("P1")
	PORT_DIPNAME( 0x0001, 0x0001, "P1" )
	PORT_DIPSETTING(      0x0001, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0002, 0x0002, DEF_STR( Unknown ) )
	PORT_DIPSETTING(      0x0002, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0004, 0x0004, DEF_STR( Unknown ) )
	PORT_DIPSETTING(      0x0004, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0008, 0x0008, DEF_STR( Unknown ) )
	PORT_DIPSETTING(      0x0008, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0010, 0x0010, DEF_STR( Unknown ) )
	PORT_DIPSETTING(      0x0010, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0020, 0x0020, DEF_STR( Unknown ) )
	PORT_DIPSETTING(      0x0020, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0040, 0x0040, DEF_STR( Unknown ) )
	PORT_DIPSETTING(      0x0040, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0080, 0x0080, DEF_STR( Unknown ) )
	PORT_DIPSETTING(      0x0080, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_JOYSTICK_UP )
	PORT_DIPNAME( 0x0200, 0x0200, DEF_STR( Unknown ) )
	PORT_DIPSETTING(      0x0200, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0400, 0x0400, DEF_STR( Unknown ) )
	PORT_DIPSETTING(      0x0400, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_BIT( 0x0800, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT )
	PORT_DIPNAME( 0x1000, 0x1000, DEF_STR( Unknown ) )
	PORT_DIPSETTING(      0x1000, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x2000, 0x2000, DEF_STR( Unknown ) )
	PORT_DIPSETTING(      0x2000, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_BIT( 0x4000, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_NAME("Button 1") // shoot in Tiger Rescue & Deep
	PORT_BIT( 0x8000, IP_ACTIVE_LOW, IPT_BUTTON5 ) PORT_NAME("Pause")

	PORT_START("P2")
	PORT_DIPNAME( 0x0001, 0x0001, "P2" )
	PORT_DIPSETTING(      0x0001, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0002, 0x0002, DEF_STR( Unknown ) )
	PORT_DIPSETTING(      0x0002, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0004, 0x0004, DEF_STR( Unknown ) )
	PORT_DIPSETTING(      0x0004, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0008, 0x0008, DEF_STR( Unknown ) )
	PORT_DIPSETTING(      0x0008, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0010, 0x0010, DEF_STR( Unknown ) )
	PORT_DIPSETTING(      0x0010, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0020, 0x0020, DEF_STR( Unknown ) )
	PORT_DIPSETTING(      0x0020, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0040, 0x0040, DEF_STR( Unknown ) )
	PORT_DIPSETTING(      0x0040, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0080, 0x0080, DEF_STR( Unknown ) )
	PORT_DIPSETTING(      0x0080, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0100, 0x0100, DEF_STR( Unknown ) )
	PORT_DIPSETTING(      0x0100, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0200, 0x0200, DEF_STR( Unknown ) )
	PORT_DIPSETTING(      0x0200, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0400, 0x0400, DEF_STR( Unknown ) )
	PORT_DIPSETTING(      0x0400, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0800, 0x0800, DEF_STR( Unknown ) )
	PORT_DIPSETTING(      0x0800, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x1000, 0x1000, DEF_STR( Unknown ) )
	PORT_DIPSETTING(      0x1000, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x2000, 0x2000, DEF_STR( Unknown ) )
	PORT_DIPSETTING(      0x2000, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x4000, 0x4000, DEF_STR( Unknown ) )
	PORT_DIPSETTING(      0x4000, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x8000, 0x8000, DEF_STR( Unknown ) )
	PORT_DIPSETTING(      0x8000, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )

	PORT_START("P3")
	PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_NAME("Button 1 Rapid") // same function as button 1 but with rapid toggle on/off
	PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_BUTTON4 ) PORT_NAME("Button 2 Rapid") // same function as button 2 but with rapid toggle on/off
	PORT_DIPNAME( 0x0004, 0x0004, "P3" )
	PORT_DIPSETTING(      0x0004, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_NAME("Button 2") // toggles ball / number view in pool
	PORT_DIPNAME( 0x0010, 0x0010, DEF_STR( Unknown ) )
	PORT_DIPSETTING(      0x0010, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0020, 0x0020, DEF_STR( Unknown ) )
	PORT_DIPSETTING(      0x0020, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0040, 0x0040, DEF_STR( Unknown ) )
	PORT_DIPSETTING(      0x0040, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0080, 0x0080, DEF_STR( Unknown ) )
	PORT_DIPSETTING(      0x0080, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0100, 0x0100, DEF_STR( Unknown ) )
	PORT_DIPSETTING(      0x0100, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN )
	PORT_BIT( 0x0400, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT )
	PORT_DIPNAME( 0x0800, 0x0800, DEF_STR( Unknown ) )
	PORT_DIPSETTING(      0x0800, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x1000, 0x1000, DEF_STR( Unknown ) )
	PORT_DIPSETTING(      0x1000, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x2000, 0x2000, DEF_STR( Unknown ) )
	PORT_DIPSETTING(      0x2000, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x4000, 0x4000, DEF_STR( Unknown ) )
	PORT_DIPSETTING(      0x4000, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x8000, 0x8000, DEF_STR( Unknown ) )
	PORT_DIPSETTING(      0x8000, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
INPUT_PORTS_END



static INPUT_PORTS_START( lexiseal )
	PORT_START("P1")
	PORT_BIT( 0x00ff, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_JOYSTICK_UP )
	PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN )
	PORT_BIT( 0x0400, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT )
	PORT_BIT( 0x0800, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT )
	PORT_BIT( 0x1000, IP_ACTIVE_LOW, IPT_BUTTON2 )
	PORT_BIT( 0x2000, IP_ACTIVE_LOW, IPT_UNUSED ) // doesn't respond as 'select'
	PORT_BIT( 0x4000, IP_ACTIVE_LOW, IPT_BUTTON1 )
	PORT_BIT( 0x8000, IP_ACTIVE_LOW, IPT_BUTTON3 ) // pause / start

	PORT_START("P2")
	PORT_BIT( 0xffff, IP_ACTIVE_LOW, IPT_UNUSED )

	PORT_START("P3")
	PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_BUTTON4 )
	PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_BUTTON5 )
	PORT_BIT( 0xfffc, IP_ACTIVE_LOW, IPT_UNUSED )
INPUT_PORTS_END

static INPUT_PORTS_START( vsplus )
	PORT_START("P1")
	PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_JOYSTICK_UP )
	PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN )
	PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT )
	PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT )
	PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_NAME("B")
	PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_NAME("A")
	PORT_BIT( 0x0080, IP_ACTIVE_LOW, IPT_BUTTON5 ) PORT_NAME("Pause")
	PORT_BIT( 0xff00, IP_ACTIVE_LOW, IPT_UNUSED )

	PORT_START("P2")
	PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_NAME("Rapid A")
	PORT_BIT( 0x0006, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_BUTTON4 ) PORT_NAME("Rapid B")
	PORT_BIT( 0xfff0, IP_ACTIVE_LOW, IPT_UNUSED )

	PORT_START("P3")
	PORT_BIT( 0xffff, IP_ACTIVE_LOW, IPT_UNUSED )
INPUT_PORTS_END


void spg2xx_lexiseal_game_state::portb_w(offs_t offset, uint16_t data, uint16_t mem_mask)
{
	logerror("%s: portb_w %04x %04x\n", machine().describe_context(), data, mem_mask);

	// mem_mask is set to fc when writing banks

	if ((data&mem_mask) == 0x5c)
		switch_bank(0);
	else if ((data&mem_mask) == 0xdc)
		switch_bank(1);
	else if ((data&mem_mask) == 0x7c)
		switch_bank(2);
}


void spg2xx_vsplus_game_state::portb_w(offs_t offset, uint16_t data, uint16_t mem_mask)
{
	if (mem_mask & 0x0080)
	{
		if (data & 0x0080)
			switch_bank(1);
		else
			switch_bank(0);
	}
}

void spg2xx_lexiseal_game_state::lexiseal(machine_config &config)
{
	non_spg_base(config);
	m_maincpu->portb_out().set(FUNC(spg2xx_lexiseal_game_state::portb_w));
	m_maincpu->porta_in().set_ioport("P1");
	m_maincpu->portb_in().set_ioport("P2");
	m_maincpu->portc_in().set_ioport("P3");
}

void spg2xx_lexizeus_game_state::lexizeus(machine_config &config)
{
	non_spg_base(config);
	m_maincpu->set_addrmap(AS_PROGRAM, &spg2xx_lexiseal_game_state::mem_map_4m);
	m_maincpu->porta_in().set_ioport("P1");
	m_maincpu->portb_in().set_ioport("P2");
	m_maincpu->portc_in().set_ioport("P3");
}

void spg2xx_vsplus_game_state::vsplus(machine_config &config)
{
	non_spg_base(config);
	m_maincpu->portb_out().set(FUNC(spg2xx_vsplus_game_state::portb_w));
	m_maincpu->porta_in().set_ioport("P1");
	m_maincpu->portb_in().set_ioport("P2");
	m_maincpu->portc_in().set_ioport("P3");
	
	// output was PAL when connected to TV at least
	m_maincpu->set_pal(true);
	m_screen->set_refresh_hz(50);
}


void spg2xx_lexizeus_game_state::init_zeus()
{
	uint16_t *ROM = (uint16_t*)memregion("maincpu")->base();
	int size = memregion("maincpu")->bytes();

	for (int i = 0x8000 / 2; i < size / 2; i++)
	{
		// global 16-bit xor
		ROM[i] = ROM[i] ^ 0x8a1d;

		// 4 single bit conditional xors
		if (ROM[i] & 0x0020)
			ROM[i] ^= 0x0100;

		if (ROM[i] & 0x0040)
			ROM[i] ^= 0x1000;

		if (ROM[i] & 0x4000)
			ROM[i] ^= 0x0001;

		if (ROM[i] & 0x0080)
			ROM[i] ^= 0x0004;

		// global 16-bit bitswap
		ROM[i] = bitswap<16>(ROM[i], 7, 12, 9, 14, 4, 6, 0, 10, 15, 1, 3, 2, 5, 13, 8, 11);
	}
}

void spg2xx_vsplus_game_state::init_vsplus()
{
	uint16_t *ROM = (uint16_t*)memregion("maincpu")->base();
	int size = memregion("maincpu")->bytes();

	decrypt_ac_ff(ROM, size);
}

ROM_START( lexizeus )
	ROM_REGION( 0x800000, "maincpu", ROMREGION_ERASE00 )
	ROM_LOAD16_WORD_SWAP( "lexibook1g900us.bin", 0x0000, 0x800000, CRC(c2370806) SHA1(cbb599c29c09b62b6a9951c724cd9fc496309cf9))
ROM_END

ROM_START( vsplus )
	ROM_REGION( 0x1000000, "maincpu", ROMREGION_ERASE00 )
	ROM_LOAD16_WORD_SWAP( "vsplus.bin", 0x0000, 0x1000000, CRC(2b13d2cc) SHA1(accae7606d83a313b8ec0232d2d67b63c9c617af) )
ROM_END

ROM_START( lexiseal )
	ROM_REGION( 0x1000000, "maincpu", ROMREGION_ERASE00 )
	ROM_LOAD16_WORD_SWAP( "lexibook_seal.bin", 0x0000, 0x1000000, CRC(3529f154) SHA1(f5f142600c6b2d037b97e007364ea2fa228e0163) )
ROM_END

ROM_START( discpal )
	ROM_REGION( 0x800000, "maincpu", ROMREGION_ERASE00 )
	ROM_LOAD16_WORD_SWAP( "disneyhh.bin", 0x0000, 0x400000, CRC(5fb7f32e) SHA1(795c992826ad4ac66d5438207f1c9b48f9fadc44) )
ROM_END

/*

VG Caplet ROM pinout from Sean Riddle (2 ROMs in single package)

BSIC M6MLT947 pinout
wide SOP64 footprint
end with 2 circles denotes pin 1 end
24MB with 2 chip enables
/CE1 L, CE2 H is 16MB, /CE1 H, CE2 L is 8MB
do not drive /CE1 and /CE2 both L at the same time

1  N/C          64 N/C
2  A15          63 A16
3  A14          62 /CE1
4  A13          61 VCC
5  A12          60 N/C
6  A11          59 GND
7  A10          58 N/C
8  A9           57 D15
9  A8           56 D7
10 A21          55 D14
11 A20          54 D6
12 N/C          53 D13
13 N/C          52 D5
14 VCC          51 D12
15 VCC          50 D4
16 N/C          49 GND
17 N/C          48 VCC
18 N/C          47 D11
19 N/C          46 D3
20 A22          45 D10
21 also A21     44 D2
22 A19          43 D9
23 A18          42 D1
24 A17          41 D8
25 A7           40 D0
26 A6           39 /OE
27 A5           38 GND
28 A4           37 N/C
29 A3           36 /CE2
30 A2           35 A0
31 A1           34 N/C
32 N/C          33 N/C

*/

ROM_START( vgcaplet )
	ROM_REGION( 0x2000000, "maincpu", ROMREGION_ERASE00 )
	ROM_LOAD16_WORD_SWAP( "capleth.bin", 0x0000000, 0x1000000, CRC(f6cad3a7) SHA1(54167ab7651cf7a758ae36c443e74d3919e7fd6d) )
	ROM_LOAD16_WORD_SWAP( "capletl.bin", 0x1000000, 0x0800000, CRC(1ae2fa49) SHA1(62f41d45da011c1dfb35c1111a478798c2b33aaf) )
ROM_END

// these all have the same ROM scrambling

CONS( 200?, lexizeus,    0,     0,        lexizeus,     lexizeus, spg2xx_lexizeus_game_state, init_zeus, "Lexibook", "Zeus IG900 20-in-1 (US?)",          MACHINE_IMPERFECT_SOUND | MACHINE_IMPERFECT_GRAPHICS ) // bad sound and some corrupt bg tilemap entries in Tiger Rescue, verify ROM data (same game runs in Zone 60 without issue)

CONS( 200?, vsplus,      0,     0,        vsplus,     vsplus, spg2xx_vsplus_game_state, init_vsplus, "<unknown>", "Vs Power Plus 30-in-1",          MACHINE_IMPERFECT_SOUND | MACHINE_IMPERFECT_GRAPHICS )


CONS( 200?, lexiseal,    0,     0,        lexiseal,     lexiseal, spg2xx_lexiseal_game_state, init_zeus, "Lexibook / Sit Up Limited", "Seal 50-in-1",          MACHINE_IMPERFECT_SOUND | MACHINE_IMPERFECT_GRAPHICS ) // also has bad sound in Tiger Rescue, but no corrupt tilemap
// there are versions of the Seal that actually show Lexibook on the boot screen rather than just the unit

CONS( 200?, discpal,     0,     0,        lexizeus,     lexiseal, spg2xx_lexizeus_game_state, init_zeus, "Performance Designed Products / Disney / Jungle Soft", "Disney Game It! Classic Pals",          MACHINE_IMPERFECT_SOUND | MACHINE_IMPERFECT_GRAPHICS )
// there was also a Game It! Princess Pals

CONS( 200?, vgcaplet,    0,     0,        lexiseal,     lexiseal, spg2xx_lexiseal_game_state, init_zeus, "Performance Designed Products (licensed by Taito / Data East)", "VG Pocket Caplet Fast Acting 50-in-1",          MACHINE_IMPERFECT_SOUND | MACHINE_IMPERFECT_GRAPHICS )
// there was also a 35 game version of the Caplet