1 /***************************************************************************
2 
3 	Atari Skull & Crossbones hardware
4 
5 	driver by Aaron Giles
6 
7 	Games supported:
8 		* Skull & Crossbones (1989) [5 sets]
9 
10 	Known bugs:
11 		* none at this time
12 
13 ****************************************************************************
14 
15 	Memory map (TBA)
16 
17 ***************************************************************************/
18 
19 
20 #include "driver.h"
21 #include "machine/atarigen.h"
22 #include "sndhrdw/atarijsa.h"
23 #include "skullxbo.h"
24 
25 
26 
27 /*************************************
28  *
29  *	Initialization & interrupts
30  *
31  *************************************/
32 
update_interrupts(void)33 static void update_interrupts(void)
34 {
35 	int newstate = 0;
36 
37 	if (atarigen_scanline_int_state)
38 		newstate = 1;
39 	if (atarigen_video_int_state)
40 		newstate = 2;
41 	if (atarigen_sound_int_state)
42 		newstate = 4;
43 
44 	if (newstate)
45 		cpu_set_irq_line(0, newstate, ASSERT_LINE);
46 	else
47 		cpu_set_irq_line(0, 7, CLEAR_LINE);
48 }
49 
50 
irq_gen(int param)51 static void irq_gen(int param)
52 {
53 	(void)param;
54 	atarigen_scanline_int_gen();
55 }
56 
57 
alpha_row_update(int scanline)58 static void alpha_row_update(int scanline)
59 {
60 	data16_t *check = &atarigen_alpha[(scanline / 8) * 64 + 42];
61 
62 	/* check for interrupts in the alpha ram */
63 	/* the interrupt occurs on the HBLANK of the 6th scanline following */
64 	if (check < &atarigen_alpha[0x7c0] && (*check & 0x8000))
65 		timer_set(cpu_getscanlineperiod() * 6.9, 0, irq_gen);
66 
67 	/* update the playfield and motion objects */
68 	skullxbo_scanline_update(scanline);
69 }
70 
71 
MACHINE_INIT(skullxbo)72 static MACHINE_INIT( skullxbo )
73 {
74 	atarigen_eeprom_reset();
75 	atarigen_interrupt_reset(update_interrupts);
76 	atarigen_scanline_timer_reset(alpha_row_update, 8);
77 	atarijsa_reset();
78 }
79 
80 
81 
82 /*************************************
83  *
84  *	I/O read dispatch.
85  *
86  *************************************/
87 
READ16_HANDLER(special_port1_r)88 static READ16_HANDLER( special_port1_r )
89 {
90 	int temp = readinputport(1);
91 	if (atarigen_cpu_to_sound_ready) temp ^= 0x0040;
92 	if (atarigen_get_hblank()) temp ^= 0x0010;
93 	return temp;
94 }
95 
96 
97 
98 /*************************************
99  *
100  *	Who knows what this is?
101  *
102  *************************************/
103 
WRITE16_HANDLER(skullxbo_mobwr_w)104 static WRITE16_HANDLER( skullxbo_mobwr_w )
105 {
106 	log_cb(RETRO_LOG_DEBUG, LOGPRE "MOBWR[%02X] = %04X\n", offset, data);
107 }
108 
109 
110 
111 /*************************************
112  *
113  *	Main CPU memory handlers
114  *
115  *************************************/
116 
MEMORY_READ16_START(main_readmem)117 static MEMORY_READ16_START( main_readmem )
118 	{ 0x000000, 0x07ffff, MRA16_ROM },
119 	{ 0xff2000, 0xff2fff, MRA16_RAM },
120 	{ 0xff5000, 0xff5001, atarigen_sound_r },
121 	{ 0xff5800, 0xff5801, input_port_0_word_r },
122 	{ 0xff5802, 0xff5803, special_port1_r },
123 	{ 0xff6000, 0xff6fff, atarigen_eeprom_r },
124 	{ 0xff8000, 0xffffff, MRA16_RAM },
125 MEMORY_END
126 
127 
128 static MEMORY_WRITE16_START( main_writemem )
129 	{ 0x000000, 0x07ffff, MWA16_ROM },
130 	{ 0xff0000, 0xff07ff, skullxbo_mobmsb_w },
131 	{ 0xff0800, 0xff0bff, atarigen_halt_until_hblank_0_w },
132 	{ 0xff0c00, 0xff0fff, atarigen_eeprom_enable_w },
133 	{ 0xff1000, 0xff13ff, atarigen_video_int_ack_w },
134 	{ 0xff1400, 0xff17ff, atarigen_sound_w },
135 	{ 0xff1800, 0xff1bff, atarigen_sound_reset_w },
136 	{ 0xff1c00, 0xff1c7f, skullxbo_playfieldlatch_w },
137 	{ 0xff1c80, 0xff1cff, skullxbo_xscroll_w, &atarigen_xscroll },
138 	{ 0xff1d00, 0xff1d7f, atarigen_scanline_int_ack_w },
139 	{ 0xff1d80, 0xff1dff, watchdog_reset16_w },
140 	{ 0xff1e00, 0xff1e7f, skullxbo_playfieldlatch_w },
141 	{ 0xff1e80, 0xff1eff, skullxbo_xscroll_w },
142 	{ 0xff1f00, 0xff1f7f, atarigen_scanline_int_ack_w },
143 	{ 0xff1f80, 0xff1fff, watchdog_reset16_w },
144 	{ 0xff2000, 0xff2fff, atarigen_666_paletteram_w, &paletteram16 },
145 	{ 0xff4000, 0xff47ff, skullxbo_yscroll_w, &atarigen_yscroll },
146 	{ 0xff4800, 0xff4fff, skullxbo_mobwr_w },
147 	{ 0xff6000, 0xff6fff, atarigen_eeprom_w, &atarigen_eeprom, &atarigen_eeprom_size },
148 	{ 0xff8000, 0xff9fff, atarigen_playfield_latched_lsb_w, &atarigen_playfield },
149 	{ 0xffa000, 0xffbfff, atarigen_playfield_upper_w, &atarigen_playfield_upper },
150 	{ 0xffc000, 0xffcf7f, atarigen_alpha_w, &atarigen_alpha },
151 	{ 0xffcf80, 0xffcfff, atarimo_0_slipram_w, &atarimo_0_slipram },
152 	{ 0xffd000, 0xffdfff, atarimo_0_spriteram_w, &atarimo_0_spriteram },
153 	{ 0xffe000, 0xffffff, MWA16_RAM },
154 MEMORY_END
155 
156 
157 
158 /*************************************
159  *
160  *	Port definitions
161  *
162  *************************************/
163 
164 INPUT_PORTS_START( skullxbo )
165 	PORT_START      /* ff5800 */
166 	PORT_BIT( 0x00ff, IP_ACTIVE_LOW, IPT_UNUSED )
167 	PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_BUTTON1 | IPF_PLAYER1 )
168 	PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_BUTTON2 | IPF_PLAYER1 )
169 	PORT_BIT( 0x0400, IP_ACTIVE_LOW, IPT_UNUSED )
170 	PORT_BIT( 0x0800, IP_ACTIVE_LOW, IPT_UNUSED )
171 	PORT_BIT( 0x1000, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT | IPF_PLAYER1 )
172 	PORT_BIT( 0x2000, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT | IPF_PLAYER1 )
173 	PORT_BIT( 0x4000, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN | IPF_PLAYER1 )
174 	PORT_BIT( 0x8000, IP_ACTIVE_LOW, IPT_JOYSTICK_UP | IPF_PLAYER1 )
175 
176 	PORT_START      /* ff5802 */
177 	PORT_BIT( 0x000f, IP_ACTIVE_LOW, IPT_UNUSED )
178 	PORT_BIT( 0x0010, IP_ACTIVE_HIGH, IPT_UNUSED )	/* HBLANK */
179 	PORT_BIT( 0x0020, IP_ACTIVE_HIGH, IPT_VBLANK )
180 	PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_UNUSED )	/* /AUDBUSY */
181 	PORT_SERVICE( 0x0080, IP_ACTIVE_LOW )
182 	PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_BUTTON1 | IPF_PLAYER2 )
183 	PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_BUTTON2 | IPF_PLAYER2 )
184 	PORT_BIT( 0x0400, IP_ACTIVE_LOW, IPT_UNUSED )
185 	PORT_BIT( 0x0800, IP_ACTIVE_LOW, IPT_UNUSED )
186 	PORT_BIT( 0x1000, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT | IPF_PLAYER2 )
187 	PORT_BIT( 0x2000, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT | IPF_PLAYER2 )
188 	PORT_BIT( 0x4000, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN | IPF_PLAYER2 )
189 	PORT_BIT( 0x8000, IP_ACTIVE_LOW, IPT_JOYSTICK_UP | IPF_PLAYER2 )
190 
191 	JSA_II_PORT		/* audio board port */
192 INPUT_PORTS_END
193 
194 
195 
196 /*************************************
197  *
198  *	Graphics definitions
199  *
200  *************************************/
201 
202 static struct GfxLayout pflayout =
203 {
204 	16,8,
205 	RGN_FRAC(1,2),
206 	4,
207 	{ 0, 1, 2, 3 },
208 	{ RGN_FRAC(1,2)+0,RGN_FRAC(1,2)+0, RGN_FRAC(1,2)+4,RGN_FRAC(1,2)+4, 0,0, 4,4,
209 	  RGN_FRAC(1,2)+8,RGN_FRAC(1,2)+8, RGN_FRAC(1,2)+12,RGN_FRAC(1,2)+12, 8,8, 12,12 },
210 	{ 0*8, 2*8, 4*8, 6*8, 8*8, 10*8, 12*8, 14*8 },
211 	16*8
212 };
213 
214 
215 static struct GfxLayout anlayout =
216 {
217 	16,8,
218 	RGN_FRAC(1,1),
219 	2,
220 	{ 0, 1 },
221 	{ 0,0, 2,2, 4,4, 6,6, 8,8, 10,10, 12,12, 14,14 },
222 	{ 0*16, 1*16, 2*16, 3*16, 4*16, 5*16, 6*16, 7*16 },
223 	8*16
224 };
225 
226 
227 static struct GfxLayout molayout =
228 {
229 	16,8,
230 	RGN_FRAC(1,5),
231 	5,
232 	{ RGN_FRAC(4,5), RGN_FRAC(3,5), RGN_FRAC(2,5), RGN_FRAC(1,5), RGN_FRAC(0,5) },
233 	{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 },
234 	{ 0*8, 2*8, 4*8, 6*8, 8*8, 10*8, 12*8, 14*8 },
235 	16*8
236 };
237 
238 
239 static struct GfxDecodeInfo gfxdecodeinfo[] =
240 {
241 	{ REGION_GFX1, 0, &molayout, 0x000, 32 },
242 	{ REGION_GFX2, 0, &pflayout, 0x200, 16 },
243 	{ REGION_GFX3, 0, &anlayout, 0x300, 16 },
244 	{ -1 }
245 };
246 
247 
248 
249 /*************************************
250  *
251  *	Machine driver
252  *
253  *************************************/
254 
255 static MACHINE_DRIVER_START( skullxbo )
256 
257 	/* basic machine hardware */
258 	MDRV_CPU_ADD(M68000, ATARI_CLOCK_14MHz/2)
MDRV_CPU_MEMORY(main_readmem,main_writemem)259 	MDRV_CPU_MEMORY(main_readmem,main_writemem)
260 	MDRV_CPU_VBLANK_INT(atarigen_video_int_gen,1)
261 
262 	MDRV_FRAMES_PER_SECOND(60)
263 	MDRV_VBLANK_DURATION(DEFAULT_REAL_60HZ_VBLANK_DURATION)
264 
265 	MDRV_MACHINE_INIT(skullxbo)
266 	MDRV_NVRAM_HANDLER(atarigen)
267 
268 	/* video hardware */
269 	MDRV_VIDEO_ATTRIBUTES(VIDEO_TYPE_RASTER | VIDEO_NEEDS_6BITS_PER_GUN | VIDEO_UPDATE_BEFORE_VBLANK | VIDEO_PIXEL_ASPECT_RATIO_1_2)
270 	MDRV_SCREEN_SIZE(42*16, 30*8)
271 	MDRV_VISIBLE_AREA(0*8, 42*16-1, 0*8, 30*8-1)
272 	MDRV_GFXDECODE(gfxdecodeinfo)
273 	MDRV_PALETTE_LENGTH(2048)
274 
275 	MDRV_VIDEO_START(skullxbo)
276 	MDRV_VIDEO_UPDATE(skullxbo)
277 
278 	/* sound hardware */
279 	MDRV_IMPORT_FROM(jsa_ii_mono)
280 MACHINE_DRIVER_END
281 
282 
283 
284 /*************************************
285  *
286  *	ROM definition(s)
287  *
288  *************************************/
289 
290 ROM_START( skullxbo )
291 	ROM_REGION( 0x80000, REGION_CPU1, 0 )	/* 8*64k for 68000 code */
292 	ROM_LOAD16_BYTE( "5150228a.072", 0x000000, 0x010000, CRC(9546d88b) SHA1(4b02c1c8a57377e651a719a0fe2a3532594f3e71) )
293 	ROM_LOAD16_BYTE( "5151228c.072", 0x000001, 0x010000, CRC(b9ed8bd4) SHA1(784a2fc8f5901d9e462966e3f7226ce3c6db980a) )
294 	ROM_LOAD16_BYTE( "5152213a.072", 0x020000, 0x010000, CRC(c07e44fc) SHA1(0aacb77be59c398c9eb5f01108957bbb17c9e5cd) )
295 	ROM_LOAD16_BYTE( "5153213c.072", 0x020001, 0x010000, CRC(fef8297f) SHA1(f62f378a957599ea38579a29df1f9e11335e8fb3) )
296 	ROM_LOAD16_BYTE( "1154200a.072", 0x040000, 0x010000, CRC(de4101a3) SHA1(21cf656fc0695a0ef31cfa6e686069d7d4965cce) )
297 	ROM_LOAD16_BYTE( "1155200c.072", 0x040001, 0x010000, CRC(78c0f6ad) SHA1(21ce2a83cd3350cd7ff53627a7e27599b9754a12) )
298 	ROM_LOAD16_BYTE( "1156185a.072", 0x070000, 0x008000, CRC(cde16b55) SHA1(bf5059f0f73a8819551fb3ded3cb6a3123841481) )
299 	ROM_LOAD16_BYTE( "1157185c.072", 0x070001, 0x008000, CRC(31c77376) SHA1(19eb54d73edb25fda6803df896e182d05c5bad7e) )
300 
301 	ROM_REGION( 0x14000, REGION_CPU2, 0 )	/* 64k for 6502 code */
302 	ROM_LOAD( "1149-1b.072",  0x010000, 0x004000, CRC(8d730e7a) SHA1(b89fb9cadcf813ea5cba55f1efcdcdd2517944c7) )
303 	ROM_CONTINUE(             0x004000, 0x00c000 )
304 
305 	ROM_REGION( 0x190000, REGION_GFX1, ROMREGION_DISPOSE )
306 	ROM_LOAD( "1102-13r.072", 0x000000, 0x010000, CRC(90becdfa) SHA1(aa5aaeda70e137518a9e58906daed66fa563b27e) )
307 	ROM_LOAD( "1104-28r.072", 0x010000, 0x010000, CRC(33609071) SHA1(6d9671a9edbdd28c1e360017253dab5dd858dbe7) )
308 	ROM_LOAD( "1106-41r.072", 0x020000, 0x010000, CRC(71962e9f) SHA1(4e6017ede5ce2fec7f6e25eadfc4070f3296ff2f) )
309 	ROM_LOAD( "1101-13p.072", 0x030000, 0x010000, CRC(4d41701e) SHA1(b34b392ba00e580cb719be2c1a40cfc0d2f177e3) )
310 	ROM_LOAD( "1103-28p.072", 0x040000, 0x010000, CRC(3011da3b) SHA1(e7118b111e0de9b9a2dfe5a165f2140e90c919e7) )
311 	ROM_LOAD( "1108-53r.072", 0x050000, 0x010000, CRC(386c7edc) SHA1(a2f61c7f8fb822433957565f373ab5cc8e0a2ba0) )
312 	ROM_LOAD( "1110-67r.072", 0x060000, 0x010000, CRC(a54d16e6) SHA1(ad10623f0a87e5a92b8e8c611c2d374a8fd7047e) )
313 	ROM_LOAD( "1112-81r.072", 0x070000, 0x010000, CRC(669411f6) SHA1(a0c678a75076b466f4a27c881642c44d47c9dea0) )
314 	ROM_LOAD( "1107-53p.072", 0x080000, 0x010000, CRC(caaeb57a) SHA1(e20050d10ee18f52ac36616003de241aa9951eab) )
315 	ROM_LOAD( "1109-67p.072", 0x090000, 0x010000, CRC(61cb4e28) SHA1(6d0cb4409fa4c9c696abd612395d5f6ddede6779) )
316 	ROM_LOAD( "1114-95r.072", 0x0a0000, 0x010000, CRC(e340d5a1) SHA1(29a23ad2b6c8302508a8b49cfbc064fe86a8b908) )
317 	ROM_LOAD( "1116109r.072", 0x0b0000, 0x010000, CRC(f25b8aca) SHA1(c8c6d0951098c32e32b87d9717cc14bb91ac2017) )
318 	ROM_LOAD( "1118123r.072", 0x0c0000, 0x010000, CRC(8cf73585) SHA1(b1f3e44f6cd434ecfe4d88463b7e2e7b48d2bf1f) )
319 	ROM_LOAD( "1113-95p.072", 0x0d0000, 0x010000, CRC(899b59af) SHA1(c7344e4bf57024415463cb50c788631fbad07132) )
320 	ROM_LOAD( "1115109p.072", 0x0e0000, 0x010000, CRC(cf4fd19a) SHA1(731fc7bb1dacacc6e2e4db1e096d07d5fe3d8b19) )
321 	ROM_LOAD( "1120137r.072", 0x0f0000, 0x010000, CRC(fde7c03d) SHA1(ec336af0f3314af134fd1a64c478be06249a550a) )
322 	ROM_LOAD( "1122151r.072", 0x100000, 0x010000, CRC(6ff6a9f2) SHA1(af8fda010c15e13e58e0f235b7b5a12d5a21fc0c) )
323 	ROM_LOAD( "1124165r.072", 0x110000, 0x010000, CRC(f11909f1) SHA1(2dbd5c92e8329f5b5033b3633bd56618eb7da875) )
324 	ROM_LOAD( "1119137p.072", 0x120000, 0x010000, CRC(6f8003a1) SHA1(df8494ce56213dddd11f1365c03bb77ebf3e6eba) )
325 	ROM_LOAD( "1121151p.072", 0x130000, 0x010000, CRC(8ff0a1ec) SHA1(8df33657a035316a1e4ce7d7b33af6e51b990c48) )
326 	ROM_LOAD( "1125123n.072", 0x140000, 0x010000, CRC(3aa7c756) SHA1(c1585733cef28fdf031e335503364846cfd0384a) )
327 	ROM_LOAD( "1126137n.072", 0x150000, 0x010000, CRC(cb82c9aa) SHA1(1469d2825e6d366a8e3f74294b0a64f2a63384aa) )
328 	ROM_LOAD( "1128151n.072", 0x160000, 0x010000, CRC(dce32863) SHA1(b0476de8d54dcf163a723b1fc805da4e1ca11c27) )
329 	/* 170000-18ffff empty */
330 
331 	ROM_REGION( 0x0a0000, REGION_GFX2, ROMREGION_DISPOSE | ROMREGION_INVERT )
332 	ROM_LOAD( "2129180p.072", 0x000000, 0x010000, CRC(36b1a578) SHA1(ded9cccd1009e517662387353333f20031abddd5) )
333 	ROM_LOAD( "2131193p.072", 0x010000, 0x010000, CRC(7b7c04a1) SHA1(b57f3f35f39ecf912daf2611919f31a92005f07b) )
334 	ROM_LOAD( "2133208p.072", 0x020000, 0x010000, CRC(e03fe4d9) SHA1(d9a9174a2d2e2d83f7c32177f0dbab74f3875d2e) )
335 	ROM_LOAD( "2135221p.072", 0x030000, 0x010000, CRC(7d497110) SHA1(4d5ce6673a112486e9dff77c901d90105aa0a210) )
336 	ROM_LOAD( "2137235p.072", 0x040000, 0x010000, CRC(f91e7872) SHA1(690715a92e8ca1b1d22fff85f9ed3f1e02edca99) )
337 	ROM_LOAD( "2130180r.072", 0x050000, 0x010000, CRC(b25368cc) SHA1(110e6882399e200b3a4cdd823cc5b0565183cfeb) )
338 	ROM_LOAD( "2132193r.072", 0x060000, 0x010000, CRC(112f2d20) SHA1(3acd43cf73f1be10c17a717c8990f5c656935b3a) )
339 	ROM_LOAD( "2134208r.072", 0x070000, 0x010000, CRC(84884ed6) SHA1(6129f090a4e5b8f65895086e1731b13ee72b6079) )
340 	ROM_LOAD( "2136221r.072", 0x080000, 0x010000, CRC(bc028690) SHA1(e75a961febf1f1a6c4981301b73bab82c3d19785) )
341 	ROM_LOAD( "2138235r.072", 0x090000, 0x010000, CRC(60cec955) SHA1(d184746589130a8f10fcc6c79484578bd08757f0) )
342 
343 	ROM_REGION( 0x008000, REGION_GFX3, ROMREGION_DISPOSE )
344 	ROM_LOAD( "2141250k.072", 0x000000, 0x008000, CRC(60d6d6df) SHA1(a8d56092f014a0a93742c701effaec86c75772e1) )
345 
346 	ROM_REGION( 0x40000, REGION_SOUND1, 0 )	/* 256k for ADPCM samples */
347 	ROM_LOAD( "1145-7k.072",  0x000000, 0x010000, CRC(d9475d58) SHA1(5a4a0094c83f5d0e26f0c35feb0b1f15a5f5c3f9) )
348 	ROM_LOAD( "1146-7j.072",  0x010000, 0x010000, CRC(133e6aef) SHA1(e393d0b246889779029443a19e3859d45cb900db) )
349 	ROM_LOAD( "1147-7e.072",  0x020000, 0x010000, CRC(ba4d556e) SHA1(af4364f2c456abc20f1742c945a3acfeb5e192c4) )
350 	ROM_LOAD( "1148-7d.072",  0x030000, 0x010000, CRC(c48df49a) SHA1(c92fde9be1a1ab09453c57eefb0dcfe49e538d07) )
351 ROM_END
352 
353 
354 ROM_START( skullxb4 )
355 	ROM_REGION( 0x80000, REGION_CPU1, 0 )	/* 8*64k for 68000 code */
356 	ROM_LOAD16_BYTE( "4150228a.072", 0x000000, 0x010000, CRC(607fc73b) SHA1(e6ebaf1a7570df1d12becae217becdd0a60d6aca) )
357 	ROM_LOAD16_BYTE( "4151228c.072", 0x000001, 0x010000, CRC(76bbf619) SHA1(2cbd61f414684587c0e634c223c758b0a28aafc0) )
358 	ROM_LOAD16_BYTE( "4152213a.072", 0x020000, 0x010000, CRC(095206f5) SHA1(c468b908b7a6cb83a4a91e3999494531511eee2b) )
359 	ROM_LOAD16_BYTE( "4153213c.072", 0x020001, 0x010000, CRC(e44be9d3) SHA1(f1637c3512f99a43f62833319194d18c2a56e581) )
360 	ROM_LOAD16_BYTE( "1154200a.072", 0x040000, 0x010000, CRC(de4101a3) SHA1(21cf656fc0695a0ef31cfa6e686069d7d4965cce) )
361 	ROM_LOAD16_BYTE( "1155200c.072", 0x040001, 0x010000, CRC(78c0f6ad) SHA1(21ce2a83cd3350cd7ff53627a7e27599b9754a12) )
362 	ROM_LOAD16_BYTE( "1156185a.072", 0x070000, 0x008000, CRC(cde16b55) SHA1(bf5059f0f73a8819551fb3ded3cb6a3123841481) )
363 	ROM_LOAD16_BYTE( "1157185c.072", 0x070001, 0x008000, CRC(31c77376) SHA1(19eb54d73edb25fda6803df896e182d05c5bad7e) )
364 
365 	ROM_REGION( 0x14000, REGION_CPU2, 0 )	/* 64k for 6502 code */
366 	ROM_LOAD( "1149-1b.072",  0x010000, 0x004000, CRC(8d730e7a) SHA1(b89fb9cadcf813ea5cba55f1efcdcdd2517944c7) )
367 	ROM_CONTINUE(             0x004000, 0x00c000 )
368 
369 	ROM_REGION( 0x190000, REGION_GFX1, ROMREGION_DISPOSE )
370 	ROM_LOAD( "1102-13r.072", 0x000000, 0x010000, CRC(90becdfa) SHA1(aa5aaeda70e137518a9e58906daed66fa563b27e) )
371 	ROM_LOAD( "1104-28r.072", 0x010000, 0x010000, CRC(33609071) SHA1(6d9671a9edbdd28c1e360017253dab5dd858dbe7) )
372 	ROM_LOAD( "1106-41r.072", 0x020000, 0x010000, CRC(71962e9f) SHA1(4e6017ede5ce2fec7f6e25eadfc4070f3296ff2f) )
373 	ROM_LOAD( "1101-13p.072", 0x030000, 0x010000, CRC(4d41701e) SHA1(b34b392ba00e580cb719be2c1a40cfc0d2f177e3) )
374 	ROM_LOAD( "1103-28p.072", 0x040000, 0x010000, CRC(3011da3b) SHA1(e7118b111e0de9b9a2dfe5a165f2140e90c919e7) )
375 	ROM_LOAD( "1108-53r.072", 0x050000, 0x010000, CRC(386c7edc) SHA1(a2f61c7f8fb822433957565f373ab5cc8e0a2ba0) )
376 	ROM_LOAD( "1110-67r.072", 0x060000, 0x010000, CRC(a54d16e6) SHA1(ad10623f0a87e5a92b8e8c611c2d374a8fd7047e) )
377 	ROM_LOAD( "1112-81r.072", 0x070000, 0x010000, CRC(669411f6) SHA1(a0c678a75076b466f4a27c881642c44d47c9dea0) )
378 	ROM_LOAD( "1107-53p.072", 0x080000, 0x010000, CRC(caaeb57a) SHA1(e20050d10ee18f52ac36616003de241aa9951eab) )
379 	ROM_LOAD( "1109-67p.072", 0x090000, 0x010000, CRC(61cb4e28) SHA1(6d0cb4409fa4c9c696abd612395d5f6ddede6779) )
380 	ROM_LOAD( "1114-95r.072", 0x0a0000, 0x010000, CRC(e340d5a1) SHA1(29a23ad2b6c8302508a8b49cfbc064fe86a8b908) )
381 	ROM_LOAD( "1116109r.072", 0x0b0000, 0x010000, CRC(f25b8aca) SHA1(c8c6d0951098c32e32b87d9717cc14bb91ac2017) )
382 	ROM_LOAD( "1118123r.072", 0x0c0000, 0x010000, CRC(8cf73585) SHA1(b1f3e44f6cd434ecfe4d88463b7e2e7b48d2bf1f) )
383 	ROM_LOAD( "1113-95p.072", 0x0d0000, 0x010000, CRC(899b59af) SHA1(c7344e4bf57024415463cb50c788631fbad07132) )
384 	ROM_LOAD( "1115109p.072", 0x0e0000, 0x010000, CRC(cf4fd19a) SHA1(731fc7bb1dacacc6e2e4db1e096d07d5fe3d8b19) )
385 	ROM_LOAD( "1120137r.072", 0x0f0000, 0x010000, CRC(fde7c03d) SHA1(ec336af0f3314af134fd1a64c478be06249a550a) )
386 	ROM_LOAD( "1122151r.072", 0x100000, 0x010000, CRC(6ff6a9f2) SHA1(af8fda010c15e13e58e0f235b7b5a12d5a21fc0c) )
387 	ROM_LOAD( "1124165r.072", 0x110000, 0x010000, CRC(f11909f1) SHA1(2dbd5c92e8329f5b5033b3633bd56618eb7da875) )
388 	ROM_LOAD( "1119137p.072", 0x120000, 0x010000, CRC(6f8003a1) SHA1(df8494ce56213dddd11f1365c03bb77ebf3e6eba) )
389 	ROM_LOAD( "1121151p.072", 0x130000, 0x010000, CRC(8ff0a1ec) SHA1(8df33657a035316a1e4ce7d7b33af6e51b990c48) )
390 	ROM_LOAD( "1125123n.072", 0x140000, 0x010000, CRC(3aa7c756) SHA1(c1585733cef28fdf031e335503364846cfd0384a) )
391 	ROM_LOAD( "1126137n.072", 0x150000, 0x010000, CRC(cb82c9aa) SHA1(1469d2825e6d366a8e3f74294b0a64f2a63384aa) )
392 	ROM_LOAD( "1128151n.072", 0x160000, 0x010000, CRC(dce32863) SHA1(b0476de8d54dcf163a723b1fc805da4e1ca11c27) )
393 	/* 170000-18ffff empty */
394 
395 	ROM_REGION( 0x0a0000, REGION_GFX2, ROMREGION_DISPOSE | ROMREGION_INVERT )
396 	ROM_LOAD( "2129180p.072", 0x000000, 0x010000, CRC(36b1a578) SHA1(ded9cccd1009e517662387353333f20031abddd5) )
397 	ROM_LOAD( "2131193p.072", 0x010000, 0x010000, CRC(7b7c04a1) SHA1(b57f3f35f39ecf912daf2611919f31a92005f07b) )
398 	ROM_LOAD( "2133208p.072", 0x020000, 0x010000, CRC(e03fe4d9) SHA1(d9a9174a2d2e2d83f7c32177f0dbab74f3875d2e) )
399 	ROM_LOAD( "2135221p.072", 0x030000, 0x010000, CRC(7d497110) SHA1(4d5ce6673a112486e9dff77c901d90105aa0a210) )
400 	ROM_LOAD( "2137235p.072", 0x040000, 0x010000, CRC(f91e7872) SHA1(690715a92e8ca1b1d22fff85f9ed3f1e02edca99) )
401 	ROM_LOAD( "2130180r.072", 0x050000, 0x010000, CRC(b25368cc) SHA1(110e6882399e200b3a4cdd823cc5b0565183cfeb) )
402 	ROM_LOAD( "2132193r.072", 0x060000, 0x010000, CRC(112f2d20) SHA1(3acd43cf73f1be10c17a717c8990f5c656935b3a) )
403 	ROM_LOAD( "2134208r.072", 0x070000, 0x010000, CRC(84884ed6) SHA1(6129f090a4e5b8f65895086e1731b13ee72b6079) )
404 	ROM_LOAD( "2136221r.072", 0x080000, 0x010000, CRC(bc028690) SHA1(e75a961febf1f1a6c4981301b73bab82c3d19785) )
405 	ROM_LOAD( "2138235r.072", 0x090000, 0x010000, CRC(60cec955) SHA1(d184746589130a8f10fcc6c79484578bd08757f0) )
406 
407 	ROM_REGION( 0x008000, REGION_GFX3, ROMREGION_DISPOSE )
408 	ROM_LOAD( "2141250k.072", 0x000000, 0x008000, CRC(60d6d6df) SHA1(a8d56092f014a0a93742c701effaec86c75772e1) )
409 
410 	ROM_REGION( 0x40000, REGION_SOUND1, 0 )	/* 256k for ADPCM samples */
411 	ROM_LOAD( "1145-7k.072",  0x000000, 0x010000, CRC(d9475d58) SHA1(5a4a0094c83f5d0e26f0c35feb0b1f15a5f5c3f9) )
412 	ROM_LOAD( "1146-7j.072",  0x010000, 0x010000, CRC(133e6aef) SHA1(e393d0b246889779029443a19e3859d45cb900db) )
413 	ROM_LOAD( "1147-7e.072",  0x020000, 0x010000, CRC(ba4d556e) SHA1(af4364f2c456abc20f1742c945a3acfeb5e192c4) )
414 	ROM_LOAD( "1148-7d.072",  0x030000, 0x010000, CRC(c48df49a) SHA1(c92fde9be1a1ab09453c57eefb0dcfe49e538d07) )
415 ROM_END
416 
417 
418 ROM_START( skullxb3 )
419 	ROM_REGION( 0x80000, REGION_CPU1, 0 )	/* 8*64k for 68000 code */
420 	ROM_LOAD16_BYTE( "3150228a.072", 0x000000, 0x010000, CRC(47083d59) SHA1(a713231c22a3c2de09af65aa2bae17ea41f10cf0) )
421 	ROM_LOAD16_BYTE( "3151228c.072", 0x000001, 0x010000, CRC(2c03feaf) SHA1(e7ad1568e3008386f520ed3ba90aefbfc9417a64) )
422 	ROM_LOAD16_BYTE( "3152213a.072", 0x020000, 0x010000, CRC(aa0471de) SHA1(c0bf12304b9d64595f2fc40c2fb67f6ccb9d3b8f) )
423 	ROM_LOAD16_BYTE( "3153213c.072", 0x020001, 0x010000, CRC(a65386f9) SHA1(3bc7d0bc844cd1f9efa1a5f6abccfbe3ab7c2bef) )
424 	ROM_LOAD16_BYTE( "1154200a.072", 0x040000, 0x010000, CRC(de4101a3) SHA1(21cf656fc0695a0ef31cfa6e686069d7d4965cce) )
425 	ROM_LOAD16_BYTE( "1155200c.072", 0x040001, 0x010000, CRC(78c0f6ad) SHA1(21ce2a83cd3350cd7ff53627a7e27599b9754a12) )
426 	ROM_LOAD16_BYTE( "1156185a.072", 0x070000, 0x008000, CRC(cde16b55) SHA1(bf5059f0f73a8819551fb3ded3cb6a3123841481) )
427 	ROM_LOAD16_BYTE( "1157185c.072", 0x070001, 0x008000, CRC(31c77376) SHA1(19eb54d73edb25fda6803df896e182d05c5bad7e) )
428 
429 	ROM_REGION( 0x14000, REGION_CPU2, 0 )	/* 64k for 6502 code */
430 	ROM_LOAD( "1149-1b.072",  0x010000, 0x004000, CRC(8d730e7a) SHA1(b89fb9cadcf813ea5cba55f1efcdcdd2517944c7) )
431 	ROM_CONTINUE(             0x004000, 0x00c000 )
432 
433 	ROM_REGION( 0x190000, REGION_GFX1, ROMREGION_DISPOSE )
434 	ROM_LOAD( "1102-13r.072", 0x000000, 0x010000, CRC(90becdfa) SHA1(aa5aaeda70e137518a9e58906daed66fa563b27e) )
435 	ROM_LOAD( "1104-28r.072", 0x010000, 0x010000, CRC(33609071) SHA1(6d9671a9edbdd28c1e360017253dab5dd858dbe7) )
436 	ROM_LOAD( "1106-41r.072", 0x020000, 0x010000, CRC(71962e9f) SHA1(4e6017ede5ce2fec7f6e25eadfc4070f3296ff2f) )
437 	ROM_LOAD( "1101-13p.072", 0x030000, 0x010000, CRC(4d41701e) SHA1(b34b392ba00e580cb719be2c1a40cfc0d2f177e3) )
438 	ROM_LOAD( "1103-28p.072", 0x040000, 0x010000, CRC(3011da3b) SHA1(e7118b111e0de9b9a2dfe5a165f2140e90c919e7) )
439 	ROM_LOAD( "1108-53r.072", 0x050000, 0x010000, CRC(386c7edc) SHA1(a2f61c7f8fb822433957565f373ab5cc8e0a2ba0) )
440 	ROM_LOAD( "1110-67r.072", 0x060000, 0x010000, CRC(a54d16e6) SHA1(ad10623f0a87e5a92b8e8c611c2d374a8fd7047e) )
441 	ROM_LOAD( "1112-81r.072", 0x070000, 0x010000, CRC(669411f6) SHA1(a0c678a75076b466f4a27c881642c44d47c9dea0) )
442 	ROM_LOAD( "1107-53p.072", 0x080000, 0x010000, CRC(caaeb57a) SHA1(e20050d10ee18f52ac36616003de241aa9951eab) )
443 	ROM_LOAD( "1109-67p.072", 0x090000, 0x010000, CRC(61cb4e28) SHA1(6d0cb4409fa4c9c696abd612395d5f6ddede6779) )
444 	ROM_LOAD( "1114-95r.072", 0x0a0000, 0x010000, CRC(e340d5a1) SHA1(29a23ad2b6c8302508a8b49cfbc064fe86a8b908) )
445 	ROM_LOAD( "1116109r.072", 0x0b0000, 0x010000, CRC(f25b8aca) SHA1(c8c6d0951098c32e32b87d9717cc14bb91ac2017) )
446 	ROM_LOAD( "1118123r.072", 0x0c0000, 0x010000, CRC(8cf73585) SHA1(b1f3e44f6cd434ecfe4d88463b7e2e7b48d2bf1f) )
447 	ROM_LOAD( "1113-95p.072", 0x0d0000, 0x010000, CRC(899b59af) SHA1(c7344e4bf57024415463cb50c788631fbad07132) )
448 	ROM_LOAD( "1115109p.072", 0x0e0000, 0x010000, CRC(cf4fd19a) SHA1(731fc7bb1dacacc6e2e4db1e096d07d5fe3d8b19) )
449 	ROM_LOAD( "1120137r.072", 0x0f0000, 0x010000, CRC(fde7c03d) SHA1(ec336af0f3314af134fd1a64c478be06249a550a) )
450 	ROM_LOAD( "1122151r.072", 0x100000, 0x010000, CRC(6ff6a9f2) SHA1(af8fda010c15e13e58e0f235b7b5a12d5a21fc0c) )
451 	ROM_LOAD( "1124165r.072", 0x110000, 0x010000, CRC(f11909f1) SHA1(2dbd5c92e8329f5b5033b3633bd56618eb7da875) )
452 	ROM_LOAD( "1119137p.072", 0x120000, 0x010000, CRC(6f8003a1) SHA1(df8494ce56213dddd11f1365c03bb77ebf3e6eba) )
453 	ROM_LOAD( "1121151p.072", 0x130000, 0x010000, CRC(8ff0a1ec) SHA1(8df33657a035316a1e4ce7d7b33af6e51b990c48) )
454 	ROM_LOAD( "1125123n.072", 0x140000, 0x010000, CRC(3aa7c756) SHA1(c1585733cef28fdf031e335503364846cfd0384a) )
455 	ROM_LOAD( "1126137n.072", 0x150000, 0x010000, CRC(cb82c9aa) SHA1(1469d2825e6d366a8e3f74294b0a64f2a63384aa) )
456 	ROM_LOAD( "1128151n.072", 0x160000, 0x010000, CRC(dce32863) SHA1(b0476de8d54dcf163a723b1fc805da4e1ca11c27) )
457 	/* 170000-18ffff empty */
458 
459 	ROM_REGION( 0x0a0000, REGION_GFX2, ROMREGION_DISPOSE | ROMREGION_INVERT )
460 	ROM_LOAD( "2129180p.072", 0x000000, 0x010000, CRC(36b1a578) SHA1(ded9cccd1009e517662387353333f20031abddd5) )
461 	ROM_LOAD( "2131193p.072", 0x010000, 0x010000, CRC(7b7c04a1) SHA1(b57f3f35f39ecf912daf2611919f31a92005f07b) )
462 	ROM_LOAD( "2133208p.072", 0x020000, 0x010000, CRC(e03fe4d9) SHA1(d9a9174a2d2e2d83f7c32177f0dbab74f3875d2e) )
463 	ROM_LOAD( "2135221p.072", 0x030000, 0x010000, CRC(7d497110) SHA1(4d5ce6673a112486e9dff77c901d90105aa0a210) )
464 	ROM_LOAD( "2137235p.072", 0x040000, 0x010000, CRC(f91e7872) SHA1(690715a92e8ca1b1d22fff85f9ed3f1e02edca99) )
465 	ROM_LOAD( "2130180r.072", 0x050000, 0x010000, CRC(b25368cc) SHA1(110e6882399e200b3a4cdd823cc5b0565183cfeb) )
466 	ROM_LOAD( "2132193r.072", 0x060000, 0x010000, CRC(112f2d20) SHA1(3acd43cf73f1be10c17a717c8990f5c656935b3a) )
467 	ROM_LOAD( "2134208r.072", 0x070000, 0x010000, CRC(84884ed6) SHA1(6129f090a4e5b8f65895086e1731b13ee72b6079) )
468 	ROM_LOAD( "2136221r.072", 0x080000, 0x010000, CRC(bc028690) SHA1(e75a961febf1f1a6c4981301b73bab82c3d19785) )
469 	ROM_LOAD( "2138235r.072", 0x090000, 0x010000, CRC(60cec955) SHA1(d184746589130a8f10fcc6c79484578bd08757f0) )
470 
471 	ROM_REGION( 0x008000, REGION_GFX3, ROMREGION_DISPOSE )
472 	ROM_LOAD( "2141250k.072", 0x000000, 0x008000, CRC(60d6d6df) SHA1(a8d56092f014a0a93742c701effaec86c75772e1) )
473 
474 	ROM_REGION( 0x40000, REGION_SOUND1, 0 )	/* 256k for ADPCM samples */
475 	ROM_LOAD( "1145-7k.072",  0x000000, 0x010000, CRC(d9475d58) SHA1(5a4a0094c83f5d0e26f0c35feb0b1f15a5f5c3f9) )
476 	ROM_LOAD( "1146-7j.072",  0x010000, 0x010000, CRC(133e6aef) SHA1(e393d0b246889779029443a19e3859d45cb900db) )
477 	ROM_LOAD( "1147-7e.072",  0x020000, 0x010000, CRC(ba4d556e) SHA1(af4364f2c456abc20f1742c945a3acfeb5e192c4) )
478 	ROM_LOAD( "1148-7d.072",  0x030000, 0x010000, CRC(c48df49a) SHA1(c92fde9be1a1ab09453c57eefb0dcfe49e538d07) )
479 ROM_END
480 
481 
482 ROM_START( skullxb2 )
483 	ROM_REGION( 0x80000, REGION_CPU1, 0 )	/* 8*64k for 68000 code */
484 	ROM_LOAD16_BYTE( "2150228a.072", 0x000000, 0x010000, CRC(8614f9ef) SHA1(981ba6fad7aa7002c3a5aa0d4dd859e664ca0fdb) )
485 	ROM_LOAD16_BYTE( "2151228c.072", 0x000001, 0x010000, CRC(47090acb) SHA1(12c47d6112bec88aaf25d10ba2d5335b6b474fb7) )
486 	ROM_LOAD16_BYTE( "2152213a.072", 0x020000, 0x010000, CRC(02f6a944) SHA1(24c2326c8b175fd03c5cf44f091365a860dbb9c9) )
487 	ROM_LOAD16_BYTE( "2153213c.072", 0x020001, 0x010000, CRC(589ce449) SHA1(fdc3d2ba30390848d8728b4256bf06af470de6a7) )
488 	ROM_LOAD16_BYTE( "1154200a.072", 0x040000, 0x010000, CRC(de4101a3) SHA1(21cf656fc0695a0ef31cfa6e686069d7d4965cce) )
489 	ROM_LOAD16_BYTE( "1155200c.072", 0x040001, 0x010000, CRC(78c0f6ad) SHA1(21ce2a83cd3350cd7ff53627a7e27599b9754a12) )
490 	ROM_LOAD16_BYTE( "1156185a.072", 0x070000, 0x008000, CRC(cde16b55) SHA1(bf5059f0f73a8819551fb3ded3cb6a3123841481) )
491 	ROM_LOAD16_BYTE( "1157185c.072", 0x070001, 0x008000, CRC(31c77376) SHA1(19eb54d73edb25fda6803df896e182d05c5bad7e) )
492 
493 	ROM_REGION( 0x14000, REGION_CPU2, 0 )	/* 64k for 6502 code */
494 	ROM_LOAD( "1149-1b.072",  0x010000, 0x004000, CRC(8d730e7a) SHA1(b89fb9cadcf813ea5cba55f1efcdcdd2517944c7) )
495 	ROM_CONTINUE(             0x004000, 0x00c000 )
496 
497 	ROM_REGION( 0x190000, REGION_GFX1, ROMREGION_DISPOSE )
498 	ROM_LOAD( "1102-13r.072", 0x000000, 0x010000, CRC(90becdfa) SHA1(aa5aaeda70e137518a9e58906daed66fa563b27e) )
499 	ROM_LOAD( "1104-28r.072", 0x010000, 0x010000, CRC(33609071) SHA1(6d9671a9edbdd28c1e360017253dab5dd858dbe7) )
500 	ROM_LOAD( "1106-41r.072", 0x020000, 0x010000, CRC(71962e9f) SHA1(4e6017ede5ce2fec7f6e25eadfc4070f3296ff2f) )
501 	ROM_LOAD( "1101-13p.072", 0x030000, 0x010000, CRC(4d41701e) SHA1(b34b392ba00e580cb719be2c1a40cfc0d2f177e3) )
502 	ROM_LOAD( "1103-28p.072", 0x040000, 0x010000, CRC(3011da3b) SHA1(e7118b111e0de9b9a2dfe5a165f2140e90c919e7) )
503 	ROM_LOAD( "1108-53r.072", 0x050000, 0x010000, CRC(386c7edc) SHA1(a2f61c7f8fb822433957565f373ab5cc8e0a2ba0) )
504 	ROM_LOAD( "1110-67r.072", 0x060000, 0x010000, CRC(a54d16e6) SHA1(ad10623f0a87e5a92b8e8c611c2d374a8fd7047e) )
505 	ROM_LOAD( "1112-81r.072", 0x070000, 0x010000, CRC(669411f6) SHA1(a0c678a75076b466f4a27c881642c44d47c9dea0) )
506 	ROM_LOAD( "1107-53p.072", 0x080000, 0x010000, CRC(caaeb57a) SHA1(e20050d10ee18f52ac36616003de241aa9951eab) )
507 	ROM_LOAD( "1109-67p.072", 0x090000, 0x010000, CRC(61cb4e28) SHA1(6d0cb4409fa4c9c696abd612395d5f6ddede6779) )
508 	ROM_LOAD( "1114-95r.072", 0x0a0000, 0x010000, CRC(e340d5a1) SHA1(29a23ad2b6c8302508a8b49cfbc064fe86a8b908) )
509 	ROM_LOAD( "1116109r.072", 0x0b0000, 0x010000, CRC(f25b8aca) SHA1(c8c6d0951098c32e32b87d9717cc14bb91ac2017) )
510 	ROM_LOAD( "1118123r.072", 0x0c0000, 0x010000, CRC(8cf73585) SHA1(b1f3e44f6cd434ecfe4d88463b7e2e7b48d2bf1f) )
511 	ROM_LOAD( "1113-95p.072", 0x0d0000, 0x010000, CRC(899b59af) SHA1(c7344e4bf57024415463cb50c788631fbad07132) )
512 	ROM_LOAD( "1115109p.072", 0x0e0000, 0x010000, CRC(cf4fd19a) SHA1(731fc7bb1dacacc6e2e4db1e096d07d5fe3d8b19) )
513 	ROM_LOAD( "1120137r.072", 0x0f0000, 0x010000, CRC(fde7c03d) SHA1(ec336af0f3314af134fd1a64c478be06249a550a) )
514 	ROM_LOAD( "1122151r.072", 0x100000, 0x010000, CRC(6ff6a9f2) SHA1(af8fda010c15e13e58e0f235b7b5a12d5a21fc0c) )
515 	ROM_LOAD( "1124165r.072", 0x110000, 0x010000, CRC(f11909f1) SHA1(2dbd5c92e8329f5b5033b3633bd56618eb7da875) )
516 	ROM_LOAD( "1119137p.072", 0x120000, 0x010000, CRC(6f8003a1) SHA1(df8494ce56213dddd11f1365c03bb77ebf3e6eba) )
517 	ROM_LOAD( "1121151p.072", 0x130000, 0x010000, CRC(8ff0a1ec) SHA1(8df33657a035316a1e4ce7d7b33af6e51b990c48) )
518 	ROM_LOAD( "1125123n.072", 0x140000, 0x010000, CRC(3aa7c756) SHA1(c1585733cef28fdf031e335503364846cfd0384a) )
519 	ROM_LOAD( "1126137n.072", 0x150000, 0x010000, CRC(cb82c9aa) SHA1(1469d2825e6d366a8e3f74294b0a64f2a63384aa) )
520 	ROM_LOAD( "1128151n.072", 0x160000, 0x010000, CRC(dce32863) SHA1(b0476de8d54dcf163a723b1fc805da4e1ca11c27) )
521 	/* 170000-18ffff empty */
522 
523 	ROM_REGION( 0x0a0000, REGION_GFX2, ROMREGION_DISPOSE | ROMREGION_INVERT )
524 	ROM_LOAD( "2129180p.072", 0x000000, 0x010000, CRC(36b1a578) SHA1(ded9cccd1009e517662387353333f20031abddd5) )
525 	ROM_LOAD( "2131193p.072", 0x010000, 0x010000, CRC(7b7c04a1) SHA1(b57f3f35f39ecf912daf2611919f31a92005f07b) )
526 	ROM_LOAD( "2133208p.072", 0x020000, 0x010000, CRC(e03fe4d9) SHA1(d9a9174a2d2e2d83f7c32177f0dbab74f3875d2e) )
527 	ROM_LOAD( "2135221p.072", 0x030000, 0x010000, CRC(7d497110) SHA1(4d5ce6673a112486e9dff77c901d90105aa0a210) )
528 	ROM_LOAD( "2137235p.072", 0x040000, 0x010000, CRC(f91e7872) SHA1(690715a92e8ca1b1d22fff85f9ed3f1e02edca99) )
529 	ROM_LOAD( "2130180r.072", 0x050000, 0x010000, CRC(b25368cc) SHA1(110e6882399e200b3a4cdd823cc5b0565183cfeb) )
530 	ROM_LOAD( "2132193r.072", 0x060000, 0x010000, CRC(112f2d20) SHA1(3acd43cf73f1be10c17a717c8990f5c656935b3a) )
531 	ROM_LOAD( "2134208r.072", 0x070000, 0x010000, CRC(84884ed6) SHA1(6129f090a4e5b8f65895086e1731b13ee72b6079) )
532 	ROM_LOAD( "2136221r.072", 0x080000, 0x010000, CRC(bc028690) SHA1(e75a961febf1f1a6c4981301b73bab82c3d19785) )
533 	ROM_LOAD( "2138235r.072", 0x090000, 0x010000, CRC(60cec955) SHA1(d184746589130a8f10fcc6c79484578bd08757f0) )
534 
535 	ROM_REGION( 0x008000, REGION_GFX3, ROMREGION_DISPOSE )
536 	ROM_LOAD( "2141250k.072", 0x000000, 0x008000, CRC(60d6d6df) SHA1(a8d56092f014a0a93742c701effaec86c75772e1) )
537 
538 	ROM_REGION( 0x40000, REGION_SOUND1, 0 )	/* 256k for ADPCM samples */
539 	ROM_LOAD( "1145-7k.072",  0x000000, 0x010000, CRC(d9475d58) SHA1(5a4a0094c83f5d0e26f0c35feb0b1f15a5f5c3f9) )
540 	ROM_LOAD( "1146-7j.072",  0x010000, 0x010000, CRC(133e6aef) SHA1(e393d0b246889779029443a19e3859d45cb900db) )
541 	ROM_LOAD( "1147-7e.072",  0x020000, 0x010000, CRC(ba4d556e) SHA1(af4364f2c456abc20f1742c945a3acfeb5e192c4) )
542 	ROM_LOAD( "1148-7d.072",  0x030000, 0x010000, CRC(c48df49a) SHA1(c92fde9be1a1ab09453c57eefb0dcfe49e538d07) )
543 ROM_END
544 
545 
546 ROM_START( skullxb1 )
547 	ROM_REGION( 0x80000, REGION_CPU1, 0 )	/* 8*64k for 68000 code */
548 	ROM_LOAD16_BYTE( "1150228a.072", 0x000000, 0x010000, CRC(376bb0c7) SHA1(195c8411f3ea9681e9ba6661a55418c194324339) )
549 	ROM_LOAD16_BYTE( "1151228c.072", 0x000001, 0x010000, CRC(858382f7) SHA1(6e18183962c36bf2599cf04b7dc824e840a94343) )
550 	ROM_LOAD16_BYTE( "1152213a.072", 0x020000, 0x010000, CRC(dc5b2008) SHA1(03a343d3cfd7c86b778ea9d568babc72dee23e1f) )
551 	ROM_LOAD16_BYTE( "1153213c.072", 0x020001, 0x010000, CRC(e5266c7c) SHA1(c8facce7fcb9777b157e515ca62b1e5f2be8b2ab) )
552 	ROM_LOAD16_BYTE( "1154200a.072", 0x040000, 0x010000, CRC(de4101a3) SHA1(21cf656fc0695a0ef31cfa6e686069d7d4965cce) )
553 	ROM_LOAD16_BYTE( "1155200c.072", 0x040001, 0x010000, CRC(78c0f6ad) SHA1(21ce2a83cd3350cd7ff53627a7e27599b9754a12) )
554 	ROM_LOAD16_BYTE( "1156185a.072", 0x070000, 0x008000, CRC(cde16b55) SHA1(bf5059f0f73a8819551fb3ded3cb6a3123841481) )
555 	ROM_LOAD16_BYTE( "1157185c.072", 0x070001, 0x008000, CRC(31c77376) SHA1(19eb54d73edb25fda6803df896e182d05c5bad7e) )
556 
557 	ROM_REGION( 0x14000, REGION_CPU2, 0 )	/* 64k for 6502 code */
558 	ROM_LOAD( "1149-1b.072",  0x010000, 0x004000, CRC(8d730e7a) SHA1(b89fb9cadcf813ea5cba55f1efcdcdd2517944c7) )
559 	ROM_CONTINUE(             0x004000, 0x00c000 )
560 
561 	ROM_REGION( 0x190000, REGION_GFX1, ROMREGION_DISPOSE )
562 	ROM_LOAD( "1102-13r.072", 0x000000, 0x010000, CRC(90becdfa) SHA1(aa5aaeda70e137518a9e58906daed66fa563b27e) )
563 	ROM_LOAD( "1104-28r.072", 0x010000, 0x010000, CRC(33609071) SHA1(6d9671a9edbdd28c1e360017253dab5dd858dbe7) )
564 	ROM_LOAD( "1106-41r.072", 0x020000, 0x010000, CRC(71962e9f) SHA1(4e6017ede5ce2fec7f6e25eadfc4070f3296ff2f) )
565 	ROM_LOAD( "1101-13p.072", 0x030000, 0x010000, CRC(4d41701e) SHA1(b34b392ba00e580cb719be2c1a40cfc0d2f177e3) )
566 	ROM_LOAD( "1103-28p.072", 0x040000, 0x010000, CRC(3011da3b) SHA1(e7118b111e0de9b9a2dfe5a165f2140e90c919e7) )
567 	ROM_LOAD( "1108-53r.072", 0x050000, 0x010000, CRC(386c7edc) SHA1(a2f61c7f8fb822433957565f373ab5cc8e0a2ba0) )
568 	ROM_LOAD( "1110-67r.072", 0x060000, 0x010000, CRC(a54d16e6) SHA1(ad10623f0a87e5a92b8e8c611c2d374a8fd7047e) )
569 	ROM_LOAD( "1112-81r.072", 0x070000, 0x010000, CRC(669411f6) SHA1(a0c678a75076b466f4a27c881642c44d47c9dea0) )
570 	ROM_LOAD( "1107-53p.072", 0x080000, 0x010000, CRC(caaeb57a) SHA1(e20050d10ee18f52ac36616003de241aa9951eab) )
571 	ROM_LOAD( "1109-67p.072", 0x090000, 0x010000, CRC(61cb4e28) SHA1(6d0cb4409fa4c9c696abd612395d5f6ddede6779) )
572 	ROM_LOAD( "1114-95r.072", 0x0a0000, 0x010000, CRC(e340d5a1) SHA1(29a23ad2b6c8302508a8b49cfbc064fe86a8b908) )
573 	ROM_LOAD( "1116109r.072", 0x0b0000, 0x010000, CRC(f25b8aca) SHA1(c8c6d0951098c32e32b87d9717cc14bb91ac2017) )
574 	ROM_LOAD( "1118123r.072", 0x0c0000, 0x010000, CRC(8cf73585) SHA1(b1f3e44f6cd434ecfe4d88463b7e2e7b48d2bf1f) )
575 	ROM_LOAD( "1113-95p.072", 0x0d0000, 0x010000, CRC(899b59af) SHA1(c7344e4bf57024415463cb50c788631fbad07132) )
576 	ROM_LOAD( "1115109p.072", 0x0e0000, 0x010000, CRC(cf4fd19a) SHA1(731fc7bb1dacacc6e2e4db1e096d07d5fe3d8b19) )
577 	ROM_LOAD( "1120137r.072", 0x0f0000, 0x010000, CRC(fde7c03d) SHA1(ec336af0f3314af134fd1a64c478be06249a550a) )
578 	ROM_LOAD( "1122151r.072", 0x100000, 0x010000, CRC(6ff6a9f2) SHA1(af8fda010c15e13e58e0f235b7b5a12d5a21fc0c) )
579 	ROM_LOAD( "1124165r.072", 0x110000, 0x010000, CRC(f11909f1) SHA1(2dbd5c92e8329f5b5033b3633bd56618eb7da875) )
580 	ROM_LOAD( "1119137p.072", 0x120000, 0x010000, CRC(6f8003a1) SHA1(df8494ce56213dddd11f1365c03bb77ebf3e6eba) )
581 	ROM_LOAD( "1121151p.072", 0x130000, 0x010000, CRC(8ff0a1ec) SHA1(8df33657a035316a1e4ce7d7b33af6e51b990c48) )
582 	ROM_LOAD( "1125123n.072", 0x140000, 0x010000, CRC(3aa7c756) SHA1(c1585733cef28fdf031e335503364846cfd0384a) )
583 	ROM_LOAD( "1126137n.072", 0x150000, 0x010000, CRC(cb82c9aa) SHA1(1469d2825e6d366a8e3f74294b0a64f2a63384aa) )
584 	ROM_LOAD( "1128151n.072", 0x160000, 0x010000, CRC(dce32863) SHA1(b0476de8d54dcf163a723b1fc805da4e1ca11c27) )
585 	/* 170000-18ffff empty */
586 
587 	ROM_REGION( 0x0a0000, REGION_GFX2, ROMREGION_DISPOSE | ROMREGION_INVERT )
588 	ROM_LOAD( "2129180p.072", 0x000000, 0x010000, CRC(36b1a578) SHA1(ded9cccd1009e517662387353333f20031abddd5) )
589 	ROM_LOAD( "2131193p.072", 0x010000, 0x010000, CRC(7b7c04a1) SHA1(b57f3f35f39ecf912daf2611919f31a92005f07b) )
590 	ROM_LOAD( "2133208p.072", 0x020000, 0x010000, CRC(e03fe4d9) SHA1(d9a9174a2d2e2d83f7c32177f0dbab74f3875d2e) )
591 	ROM_LOAD( "2135221p.072", 0x030000, 0x010000, CRC(7d497110) SHA1(4d5ce6673a112486e9dff77c901d90105aa0a210) )
592 	ROM_LOAD( "2137235p.072", 0x040000, 0x010000, CRC(f91e7872) SHA1(690715a92e8ca1b1d22fff85f9ed3f1e02edca99) )
593 	ROM_LOAD( "2130180r.072", 0x050000, 0x010000, CRC(b25368cc) SHA1(110e6882399e200b3a4cdd823cc5b0565183cfeb) )
594 	ROM_LOAD( "2132193r.072", 0x060000, 0x010000, CRC(112f2d20) SHA1(3acd43cf73f1be10c17a717c8990f5c656935b3a) )
595 	ROM_LOAD( "2134208r.072", 0x070000, 0x010000, CRC(84884ed6) SHA1(6129f090a4e5b8f65895086e1731b13ee72b6079) )
596 	ROM_LOAD( "2136221r.072", 0x080000, 0x010000, CRC(bc028690) SHA1(e75a961febf1f1a6c4981301b73bab82c3d19785) )
597 	ROM_LOAD( "2138235r.072", 0x090000, 0x010000, CRC(60cec955) SHA1(d184746589130a8f10fcc6c79484578bd08757f0) )
598 
599 	ROM_REGION( 0x008000, REGION_GFX3, ROMREGION_DISPOSE )
600 	ROM_LOAD( "2141250k.072", 0x000000, 0x008000, CRC(60d6d6df) SHA1(a8d56092f014a0a93742c701effaec86c75772e1) )
601 
602 	ROM_REGION( 0x40000, REGION_SOUND1, 0 )	/* 256k for ADPCM samples */
603 	ROM_LOAD( "1145-7k.072",  0x000000, 0x010000, CRC(d9475d58) SHA1(5a4a0094c83f5d0e26f0c35feb0b1f15a5f5c3f9) )
604 	ROM_LOAD( "1146-7j.072",  0x010000, 0x010000, CRC(133e6aef) SHA1(e393d0b246889779029443a19e3859d45cb900db) )
605 	ROM_LOAD( "1147-7e.072",  0x020000, 0x010000, CRC(ba4d556e) SHA1(af4364f2c456abc20f1742c945a3acfeb5e192c4) )
606 	ROM_LOAD( "1148-7d.072",  0x030000, 0x010000, CRC(c48df49a) SHA1(c92fde9be1a1ab09453c57eefb0dcfe49e538d07) )
607 ROM_END
608 
609 
610 
611 /*************************************
612  *
613  *	ROM decoding
614  *
615  *************************************/
616 
617 static DRIVER_INIT( skullxbo )
618 {
619 	atarigen_eeprom_default = NULL;
620 	atarijsa_init(1, 2, 1, 0x0080);
621 	memset(memory_region(REGION_GFX1) + 0x170000, 0, 0x20000);
622 }
623 
624 
625 
626 /*************************************
627  *
628  *	Game driver(s)
629  *
630  *************************************/
631 
632 GAME( 1989, skullxbo, 0,        skullxbo, skullxbo, skullxbo, ROT0, "Atari Games", "Skull and Crossbones (rev 5)" )
633 GAME( 1989, skullxb4, skullxbo, skullxbo, skullxbo, skullxbo, ROT0, "Atari Games", "Skull and Crossbones (rev 4)" )
634 GAME( 1989, skullxb3, skullxbo, skullxbo, skullxbo, skullxbo, ROT0, "Atari Games", "Skull and Crossbones (rev 3)" )
635 GAME( 1989, skullxb2, skullxbo, skullxbo, skullxbo, skullxbo, ROT0, "Atari Games", "Skull and Crossbones (rev 2)" )
636 GAME( 1989, skullxb1, skullxbo, skullxbo, skullxbo, skullxbo, ROT0, "Atari Games", "Skull and Crossbones (rev 1)" )
637