1 /***************************************************************************
2
3 Return of the Invaders
4
5 driver by Jarek Parchanski, Andrea Mazzoleni
6
7 the game was developed by UPL for Taito.
8
9 ***************************************************************************/
10
11 #include "driver.h"
12
13 /* in machine */
14 READ_HANDLER( retofinv_68705_portA_r );
15 WRITE_HANDLER( retofinv_68705_portA_w );
16 WRITE_HANDLER( retofinv_68705_ddrA_w );
17 READ_HANDLER( retofinv_68705_portB_r );
18 WRITE_HANDLER( retofinv_68705_portB_w );
19 WRITE_HANDLER( retofinv_68705_ddrB_w );
20 READ_HANDLER( retofinv_68705_portC_r );
21 WRITE_HANDLER( retofinv_68705_portC_w );
22 WRITE_HANDLER( retofinv_68705_ddrC_w );
23 WRITE_HANDLER( retofinv_mcu_w );
24 READ_HANDLER( retofinv_mcu_r );
25 READ_HANDLER( retofinv_mcu_status_r );
26
27 /* in vidhrdw */
28 VIDEO_START( retofinv );
29 PALETTE_INIT( retofinv );
30 VIDEO_UPDATE( retofinv );
31 READ_HANDLER( retofinv_bg_videoram_r );
32 READ_HANDLER( retofinv_fg_videoram_r );
33 READ_HANDLER( retofinv_bg_colorram_r );
34 READ_HANDLER( retofinv_fg_colorram_r );
35 WRITE_HANDLER( retofinv_bg_videoram_w );
36 WRITE_HANDLER( retofinv_fg_videoram_w );
37 WRITE_HANDLER( retofinv_bg_colorram_w );
38 WRITE_HANDLER( retofinv_fg_colorram_w );
39 WRITE_HANDLER( retofinv_flip_screen_w );
40
41 extern size_t retofinv_videoram_size;
42 extern unsigned char *retofinv_sprite_ram1;
43 extern unsigned char *retofinv_sprite_ram2;
44 extern unsigned char *retofinv_sprite_ram3;
45 extern unsigned char *retofinv_fg_videoram;
46 extern unsigned char *retofinv_bg_videoram;
47 extern unsigned char *retofinv_fg_colorram;
48 extern unsigned char *retofinv_bg_colorram;
49 extern unsigned char *retofinv_fg_char_bank;
50 extern unsigned char *retofinv_bg_char_bank;
51
52 static unsigned char cpu2_m6000=0;
53
54 #if 0
55 static MACHINE_INIT( retofinv )
56 {
57 cpu2_m6000 = 0;
58 }
59 #endif
60
61 static unsigned char *sharedram;
62
READ_HANDLER(retofinv_shared_ram_r)63 static READ_HANDLER( retofinv_shared_ram_r )
64 {
65 return sharedram[offset];
66 }
67
WRITE_HANDLER(retofinv_shared_ram_w)68 static WRITE_HANDLER( retofinv_shared_ram_w )
69 {
70 sharedram[offset] = data;
71 }
72
WRITE_HANDLER(reset_cpu2_w)73 static WRITE_HANDLER( reset_cpu2_w )
74 {
75 if (data)
76 cpu_set_reset_line(2,PULSE_LINE);
77 }
78
WRITE_HANDLER(reset_cpu1_w)79 static WRITE_HANDLER( reset_cpu1_w )
80 {
81 if (data)
82 cpu_set_reset_line(1,PULSE_LINE);
83 }
84
WRITE_HANDLER(cpu1_halt_w)85 static WRITE_HANDLER( cpu1_halt_w )
86 {
87 cpu_set_halt_line(1, data ? CLEAR_LINE : ASSERT_LINE);
88 }
89
WRITE_HANDLER(cpu2_m6000_w)90 static WRITE_HANDLER( cpu2_m6000_w )
91 {
92 cpu2_m6000 = data;
93 }
94
READ_HANDLER(cpu0_mf800_r)95 static READ_HANDLER( cpu0_mf800_r )
96 {
97 return cpu2_m6000;
98 }
99
WRITE_HANDLER(soundcommand_w)100 static WRITE_HANDLER( soundcommand_w )
101 {
102 soundlatch_w(0, data);
103 cpu_set_irq_line(2, 0, HOLD_LINE);
104 }
105
MEMORY_READ_START(readmem)106 static MEMORY_READ_START( readmem )
107 { 0x0000, 0x5fff, MRA_ROM },
108 { 0x7b00, 0x7b00, MRA_NOP }, /* space for diagnostic ROM? The code looks */
109 /* for a string here, and jumps if it's present */
110 { 0x8000, 0x83ff, retofinv_fg_videoram_r },
111 { 0x8400, 0x87ff, retofinv_fg_colorram_r },
112 { 0x8800, 0x9fff, MRA_RAM },
113 { 0xa000, 0xa3ff, retofinv_bg_videoram_r },
114 { 0xa400, 0xa7ff, retofinv_bg_colorram_r },
115 { 0xc800, 0xc800, MRA_NOP },
116 { 0xc000, 0xc000, input_port_1_r },
117 { 0xc001, 0xc001, input_port_2_r },
118 { 0xc002, 0xc002, MRA_NOP }, /* bit 7 must be 0, otherwise game resets */
119 { 0xc003, 0xc003, retofinv_mcu_status_r },
120 { 0xc004, 0xc004, input_port_0_r },
121 { 0xc005, 0xc005, input_port_3_r },
122 { 0xc006, 0xc006, input_port_5_r },
123 { 0xc007, 0xc007, input_port_4_r },
124 { 0xe000, 0xe000, retofinv_mcu_r },
125 { 0xf800, 0xf800, cpu0_mf800_r },
126 MEMORY_END
127
128 static MEMORY_WRITE_START( writemem )
129 { 0x0000, 0x5fff, MWA_ROM },
130 /* { 0x7fff, 0x7fff, MWA_NOP },*/
131 { 0x8000, 0x83ff, retofinv_fg_videoram_w, &retofinv_fg_videoram, &retofinv_videoram_size },
132 { 0x8400, 0x87ff, retofinv_fg_colorram_w, &retofinv_fg_colorram },
133 { 0x8800, 0x9fff, MWA_RAM, &sharedram },
134 { 0x8f00, 0x8f7f, MWA_RAM, &retofinv_sprite_ram1 }, /* covered by the above, */
135 { 0x9700, 0x977f, MWA_RAM, &retofinv_sprite_ram2 }, /* here only to */
136 { 0x9f00, 0x9f7f, MWA_RAM, &retofinv_sprite_ram3 }, /* initialize the pointers */
137 { 0xa000, 0xa3ff, retofinv_bg_videoram_w, &retofinv_bg_videoram },
138 { 0xa400, 0xa7ff, retofinv_bg_colorram_w, &retofinv_bg_colorram },
139 { 0xb800, 0xb800, retofinv_flip_screen_w },
140 { 0xb801, 0xb801, MWA_RAM, &retofinv_fg_char_bank },
141 { 0xb802, 0xb802, MWA_RAM, &retofinv_bg_char_bank },
142 { 0xc800, 0xc800, MWA_NOP },
143 { 0xc801, 0xc801, reset_cpu2_w },
144 { 0xc802, 0xc802, reset_cpu1_w },
145 { 0xc803, 0xc803, MWA_NOP },
146 { 0xc804, 0xc804, MWA_NOP },
147 { 0xc805, 0xc805, cpu1_halt_w },
148 { 0xd800, 0xd800, soundcommand_w },
149 { 0xd000, 0xd000, MWA_NOP },
150 { 0xe800, 0xe800, retofinv_mcu_w },
151 MEMORY_END
152
153 static MEMORY_READ_START( readmem_sub )
154 { 0x0000, 0x1fff, MRA_ROM },
155 { 0x8000, 0x83ff, retofinv_fg_videoram_r },
156 { 0x8400, 0x87ff, retofinv_fg_colorram_r },
157 { 0x8800, 0x9fff, retofinv_shared_ram_r },
158 { 0xa000, 0xa3ff, retofinv_bg_videoram_r },
159 { 0xa400, 0xa7ff, retofinv_bg_colorram_r },
160 { 0xc804, 0xc804, MRA_NOP },
161 MEMORY_END
162
163 static MEMORY_WRITE_START( writemem_sub )
164 { 0x0000, 0x1fff, MWA_ROM },
165 { 0x8000, 0x83ff, retofinv_fg_videoram_w },
166 { 0x8400, 0x87ff, retofinv_fg_colorram_w },
167 { 0x8800, 0x9fff, retofinv_shared_ram_w },
168 { 0xa000, 0xa3ff, retofinv_bg_videoram_w },
169 { 0xa400, 0xa7ff, retofinv_bg_colorram_w },
170 { 0xc804, 0xc804, MWA_NOP },
171 MEMORY_END
172
173 static MEMORY_READ_START( readmem_sound )
174 { 0x0000, 0x1fff, MRA_ROM },
175 { 0x2000, 0x27ff, MRA_RAM },
176 { 0x4000, 0x4000, soundlatch_r },
177 { 0xe000, 0xe000, MRA_NOP }, /* Rom version ? */
178 MEMORY_END
179
180 static MEMORY_WRITE_START( writemem_sound )
181 { 0x0000, 0x1fff, MWA_ROM },
182 { 0x2000, 0x27ff, MWA_RAM },
183 { 0x6000, 0x6000, cpu2_m6000_w },
184 { 0x8000, 0x8000, SN76496_0_w },
185 { 0xa000, 0xa000, SN76496_1_w },
186 MEMORY_END
187
188 static MEMORY_READ_START( mcu_readmem )
189 { 0x0000, 0x0000, retofinv_68705_portA_r },
190 { 0x0001, 0x0001, retofinv_68705_portB_r },
191 { 0x0002, 0x0002, retofinv_68705_portC_r },
192 { 0x0010, 0x007f, MRA_RAM },
193 { 0x0080, 0x07ff, MRA_ROM },
194 MEMORY_END
195
196 static MEMORY_WRITE_START( mcu_writemem )
197 { 0x0000, 0x0000, retofinv_68705_portA_w },
198 { 0x0001, 0x0001, retofinv_68705_portB_w },
199 { 0x0002, 0x0002, retofinv_68705_portC_w },
200 { 0x0004, 0x0004, retofinv_68705_ddrA_w },
201 { 0x0005, 0x0005, retofinv_68705_ddrB_w },
202 { 0x0006, 0x0006, retofinv_68705_ddrC_w },
203 { 0x0010, 0x007f, MWA_RAM },
204 { 0x0080, 0x07ff, MWA_ROM },
205 MEMORY_END
206
207
208
209 INPUT_PORTS_START( retofinv )
210 PORT_START /* IN0 */
211 PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_START1 )
212 PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_START2 )
213 PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_TILT )
214 PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_SERVICE1 )
215 PORT_BIT( 0x10, IP_ACTIVE_HIGH,IPT_COIN1 )
216 PORT_BIT( 0x20, IP_ACTIVE_HIGH,IPT_COIN2 )
217 PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED )
218 PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED )
219
220 PORT_START /* IN1 */
221 PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNUSED )
222 PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT | IPF_2WAY )
223 PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_UNUSED )
224 PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT | IPF_2WAY )
225 PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNUSED )
226 PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNUSED )
227 PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED )
228 PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_BUTTON1 )
229
230 PORT_START /* IN2 */
231 PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNUSED )
232 PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT | IPF_2WAY | IPF_COCKTAIL )
233 PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_UNUSED )
234 PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT | IPF_2WAY | IPF_COCKTAIL )
235 PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNUSED )
236 PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNUSED )
237 PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED )
238 PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_BUTTON1 | IPF_COCKTAIL )
239
240 PORT_START /* DSW1 */
241 PORT_DIPNAME( 0x03, 0x03, DEF_STR( Bonus_Life ) )
242 PORT_DIPSETTING( 0x03, "30k, 80k & every 80k" )
243 PORT_DIPSETTING( 0x02, "30k, 80k" )
244 PORT_DIPSETTING( 0x01, "30k" )
245 PORT_DIPSETTING( 0x00, "None" )
246 PORT_DIPNAME( 0x04, 0x04, DEF_STR( Free_Play ) )
247 PORT_DIPSETTING( 0x04, DEF_STR( No ) )
248 PORT_DIPSETTING( 0x00, DEF_STR( Yes ) )
249 PORT_DIPNAME( 0x18, 0x08, DEF_STR( Lives ) )
250 PORT_DIPSETTING( 0x18, "1" )
251 PORT_DIPSETTING( 0x10, "2" )
252 PORT_DIPSETTING( 0x08, "3" )
253 PORT_DIPSETTING( 0x00, "4" )
254 PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) )
255 PORT_DIPSETTING( 0x20, DEF_STR( Off ) )
256 PORT_DIPSETTING( 0x00, DEF_STR( On ) )
257 PORT_DIPNAME( 0x40, 0x40, DEF_STR( Flip_Screen ) )
258 PORT_DIPSETTING( 0x40, DEF_STR( Off ) )
259 PORT_DIPSETTING( 0x00, DEF_STR( On ) )
260 PORT_DIPNAME( 0x80, 0x00, DEF_STR( Cabinet ) )
261 PORT_DIPSETTING( 0x00, DEF_STR( Upright ) )
262 PORT_DIPSETTING( 0x80, DEF_STR( Cocktail ) )
263
264 PORT_START /* DSW3 modified by Shingo Suzuki 1999/11/03 */
265 PORT_BITX( 0x01, 0x01, IPT_DIPSWITCH_NAME | IPF_CHEAT, "Push Start to Skip Stage", IP_KEY_NONE, IP_JOY_NONE )
266 PORT_DIPSETTING( 0x01, DEF_STR( Off ) )
267 PORT_DIPSETTING( 0x00, DEF_STR( On ) )
268 PORT_DIPNAME( 0x02, 0x02, DEF_STR( Unknown ) )
269 PORT_DIPSETTING( 0x02, DEF_STR( Off ) )
270 PORT_DIPSETTING( 0x00, DEF_STR( On ) )
271 PORT_DIPNAME( 0x04, 0x04, DEF_STR( Unknown ) )
272 PORT_DIPSETTING( 0x04, DEF_STR( Off ) )
273 PORT_DIPSETTING( 0x00, DEF_STR( On ) )
274 PORT_DIPNAME( 0x08, 0x08, DEF_STR( Unknown ) )
275 PORT_DIPSETTING( 0x08, DEF_STR( Off ) )
276 PORT_DIPSETTING( 0x00, DEF_STR( On ) )
277 PORT_DIPNAME( 0x10, 0x10, "Coin Per Play Display" )
278 PORT_DIPSETTING( 0x00, DEF_STR( No ) )
279 PORT_DIPSETTING( 0x10, DEF_STR( Yes ) )
280 PORT_DIPNAME( 0x20, 0x20, "Year Display" )
281 PORT_DIPSETTING( 0x00, DEF_STR( No ) )
282 PORT_DIPSETTING( 0x20, DEF_STR( Yes ) )
283 PORT_BITX( 0x40, 0x40, IPT_DIPSWITCH_NAME | IPF_CHEAT, "Invulnerability", IP_KEY_NONE, IP_JOY_NONE )
284 PORT_DIPSETTING( 0x40, DEF_STR( Off ) )
285 PORT_DIPSETTING( 0x00, DEF_STR( On ) )
286 PORT_DIPNAME( 0x80, 0x80, DEF_STR( Coinage ) )
287 PORT_DIPSETTING( 0x80, "A and B" )
288 PORT_DIPSETTING( 0x00, "A only" )
289
290 PORT_START /* DSW2 */
291 PORT_DIPNAME( 0x0f, 0x00, DEF_STR( Coin_A ) )
292 PORT_DIPSETTING( 0x0f, DEF_STR( 9C_1C ) )
293 PORT_DIPSETTING( 0x0e, DEF_STR( 8C_1C ) )
294 PORT_DIPSETTING( 0x0d, DEF_STR( 7C_1C ) )
295 PORT_DIPSETTING( 0x0c, DEF_STR( 6C_1C ) )
296 PORT_DIPSETTING( 0x0b, DEF_STR( 5C_1C ) )
297 PORT_DIPSETTING( 0x0a, DEF_STR( 4C_1C ) )
298 PORT_DIPSETTING( 0x09, DEF_STR( 3C_1C ) )
299 PORT_DIPSETTING( 0x08, DEF_STR( 2C_1C ) )
300 PORT_DIPSETTING( 0x00, DEF_STR( 1C_1C ) )
301 PORT_DIPSETTING( 0x01, DEF_STR( 1C_2C ) )
302 PORT_DIPSETTING( 0x02, DEF_STR( 1C_3C ) )
303 PORT_DIPSETTING( 0x03, DEF_STR( 1C_4C ) )
304 PORT_DIPSETTING( 0x04, DEF_STR( 1C_5C ) )
305 PORT_DIPSETTING( 0x05, DEF_STR( 1C_6C ) )
306 PORT_DIPSETTING( 0x06, DEF_STR( 1C_7C ) )
307 PORT_DIPSETTING( 0x07, DEF_STR( 1C_8C ) )
308 PORT_DIPNAME( 0xf0, 0x00, DEF_STR( Coin_B ) )
309 PORT_DIPSETTING( 0xf0, DEF_STR( 9C_1C ) )
310 PORT_DIPSETTING( 0xe0, DEF_STR( 8C_1C ) )
311 PORT_DIPSETTING( 0xd0, DEF_STR( 7C_1C ) )
312 PORT_DIPSETTING( 0xc0, DEF_STR( 6C_1C ) )
313 PORT_DIPSETTING( 0xb0, DEF_STR( 5C_1C ) )
314 PORT_DIPSETTING( 0xa0, DEF_STR( 4C_1C ) )
315 PORT_DIPSETTING( 0x90, DEF_STR( 3C_1C ) )
316 PORT_DIPSETTING( 0x80, DEF_STR( 2C_1C ) )
317 PORT_DIPSETTING( 0x00, DEF_STR( 1C_1C ) )
318 PORT_DIPSETTING( 0x10, DEF_STR( 1C_2C ) )
319 PORT_DIPSETTING( 0x20, DEF_STR( 1C_3C ) )
320 PORT_DIPSETTING( 0x30, DEF_STR( 1C_4C ) )
321 PORT_DIPSETTING( 0x40, DEF_STR( 1C_5C ) )
322 PORT_DIPSETTING( 0x50, DEF_STR( 1C_6C ) )
323 PORT_DIPSETTING( 0x60, DEF_STR( 1C_7C ) )
324 PORT_DIPSETTING( 0x70, DEF_STR( 1C_8C ) )
325 INPUT_PORTS_END
326
327
328 static struct GfxLayout charlayout =
329 {
330 8,8, /* 8*8 characters */
331 512, /* 512 characters */
332 1, /* 1 bits per pixel */
333 { 0 },
334 { 0, 1, 2, 3, 4, 5, 6, 7 }, /* x bit */
335 { 56, 48, 40, 32, 24, 16, 8, 0 }, /* y bit */
336 8*8 /* every char takes 8 consecutive bytes */
337 };
338
339 static struct GfxLayout bglayout =
340 {
341 8,8, /* 8*8 characters */
342 512, /* 512 characters */
343 4, /* 4 bits per pixel */
344 { 0, 0x2000*8+4, 0x2000*8, 4 },
345 { 8*8+3, 8*8+2, 8*8+1, 8*8+0, 3, 2, 1, 0 },
346 { 7*8, 6*8, 5*8, 4*8, 3*8, 2*8, 1*8, 0*8 },
347 16*8 /* every char takes 16 consecutive bytes */
348 };
349
350 static struct GfxLayout spritelayout =
351 {
352 16,16, /* 16*16 characters */
353 256, /* 256 characters */
354 4, /* 4 bits per pixel */
355 { 0, 0x4000*8+4, 0x4000*8, 4 },
356 { 24*8+3, 24*8+2, 24*8+1, 24*8+0, 16*8+3, 16*8+2, 16*8+1, 16*8+0,
357 8*8+3, 8*8+2, 8*8+1, 8*8+0, 3, 2, 1, 0 },
358 { 39*8, 38*8, 37*8, 36*8, 35*8, 34*8, 33*8, 32*8,
359 7*8, 6*8, 5*8, 4*8, 3*8, 2*8, 1*8, 0*8 },
360 64*8 /* every char takes 64 consecutive bytes */
361 };
362
363 static struct GfxDecodeInfo gfxdecodeinfo[] =
364 {
365 { REGION_GFX1, 0, &charlayout, 0, 256 },
366 { REGION_GFX2, 0, &bglayout, 256*2, 64 },
367 { REGION_GFX3, 0, &spritelayout, 64*16+256*2, 64 },
368 { -1 } /* end of array */
369 };
370
371
372
373 static struct SN76496interface sn76496_interface =
374 {
375 2, /* 2 chips */
376 { 3072000, 3072000 }, /* ??? */
377 { 80, 80 }
378 };
379
380
381
382 static MACHINE_DRIVER_START( retofinv )
383
384 /* basic machine hardware */
385 MDRV_CPU_ADD(Z80, 3072000)
386 MDRV_CPU_MEMORY(readmem,writemem)
387 MDRV_CPU_VBLANK_INT(irq0_line_hold,1)
388
389 MDRV_CPU_ADD(Z80, 3072000)
390 MDRV_CPU_MEMORY(readmem_sub,writemem_sub)
391 MDRV_CPU_VBLANK_INT(irq0_line_hold,1)
392
393 MDRV_CPU_ADD(Z80, 3072000)
394 MDRV_CPU_MEMORY(readmem_sound,writemem_sound)
395 MDRV_CPU_VBLANK_INT(nmi_line_pulse,2)
396
397 MDRV_CPU_ADD(M68705,8000000/2) /* 4 MHz */
398 MDRV_CPU_MEMORY(mcu_readmem,mcu_writemem)
399
400 MDRV_FRAMES_PER_SECOND(60)
401 MDRV_VBLANK_DURATION(DEFAULT_REAL_60HZ_VBLANK_DURATION)
402 MDRV_INTERLEAVE(100) /* 100 CPU slices per frame - enough for the sound CPU to read all commands */
403
404 /* video hardware */
405 MDRV_VIDEO_ATTRIBUTES(VIDEO_TYPE_RASTER)
406 MDRV_SCREEN_SIZE(36*8, 32*8)
407 MDRV_VISIBLE_AREA(0*8, 36*8-1, 2*8, 30*8-1)
408 MDRV_GFXDECODE(gfxdecodeinfo)
409 MDRV_PALETTE_LENGTH(256)
410 MDRV_COLORTABLE_LENGTH(256*2+64*16+64*16)
411
412 MDRV_PALETTE_INIT(retofinv)
413 MDRV_VIDEO_START(retofinv)
414 MDRV_VIDEO_UPDATE(retofinv)
415
416 /* sound hardware */
417 MDRV_SOUND_ADD(SN76496, sn76496_interface)
418 MACHINE_DRIVER_END
419
420
421 /* bootleg has no mcu */
422 static MACHINE_DRIVER_START( retofinb )
423
424 /* basic machine hardware */
425 MDRV_CPU_ADD(Z80, 3072000)
426 MDRV_CPU_MEMORY(readmem,writemem)
427 MDRV_CPU_VBLANK_INT(irq0_line_hold,1)
428
429 MDRV_CPU_ADD(Z80, 3072000)
430 MDRV_CPU_MEMORY(readmem_sub,writemem_sub)
431 MDRV_CPU_VBLANK_INT(irq0_line_hold,1)
432
433 MDRV_CPU_ADD(Z80, 3072000)
434 MDRV_CPU_MEMORY(readmem_sound,writemem_sound)
435 MDRV_CPU_VBLANK_INT(nmi_line_pulse,2)
436
437 MDRV_FRAMES_PER_SECOND(60)
438 MDRV_VBLANK_DURATION(DEFAULT_REAL_60HZ_VBLANK_DURATION)
439 MDRV_INTERLEAVE(100) /* 100 CPU slices per frame - enough for the sound CPU to read all commands */
440
441 /* video hardware */
442 MDRV_VIDEO_ATTRIBUTES(VIDEO_TYPE_RASTER)
443 MDRV_SCREEN_SIZE(36*8, 32*8)
444 MDRV_VISIBLE_AREA(0*8, 36*8-1, 2*8, 30*8-1)
445 MDRV_GFXDECODE(gfxdecodeinfo)
446 MDRV_PALETTE_LENGTH(256)
447 MDRV_COLORTABLE_LENGTH(256*2+64*16+64*16)
448
449 MDRV_PALETTE_INIT(retofinv)
450 MDRV_VIDEO_START(retofinv)
451 MDRV_VIDEO_UPDATE(retofinv)
452
453 /* sound hardware */
454 MDRV_SOUND_ADD(SN76496, sn76496_interface)
455 MACHINE_DRIVER_END
456
457
458 /***************************************************************************
459
460 Game driver(s)
461
462 ***************************************************************************/
463
464 ROM_START( retofinv )
465 ROM_REGION( 0x10000, REGION_CPU1, 0 ) /* 64k for code */
466 ROM_LOAD( "ic70.rom", 0x0000, 0x2000, CRC(eae7459d) SHA1(c105f6adbd4c09decaad68ed13163d8f9b55e646) )
467 ROM_LOAD( "ic71.rom", 0x2000, 0x2000, CRC(72895e37) SHA1(42fb904338e9f92a79d587eac401d456e7fb6e55) )
468 ROM_LOAD( "ic72.rom", 0x4000, 0x2000, CRC(505dd20b) SHA1(3a34b1515bb834ff9e2d86b0b43a752d9619307b) )
469
470 ROM_REGION( 0x10000, REGION_CPU2, 0 ) /* 64k for code */
471 ROM_LOAD( "ic62.rom", 0x0000, 0x2000, CRC(d2899cc1) SHA1(fdbec743b06f4cdcc134ef863e4e71337ad0b2c5) )
472
473 ROM_REGION( 0x10000, REGION_CPU3, 0 ) /* 64k for sound cpu */
474 ROM_LOAD( "ic17.rom", 0x0000, 0x2000, CRC(9025abea) SHA1(2f03e8572f23624d7cd1215a55109e97fd66e271) )
475
476 ROM_REGION( 0x0800, REGION_CPU4, 0 ) /* 8k for the microcontroller */
477 ROM_LOAD( "68705p3.bin", 0x00000, 0x0800, CRC(79bd6ded) SHA1(4967e95b4461c1bfb4e933d1804677799014f77b) ) /* from a bootleg board */
478
479 ROM_REGION( 0x02000, REGION_GFX1, ROMREGION_DISPOSE )
480 ROM_LOAD( "ic61.rom", 0x0000, 0x2000, CRC(4e3f501c) SHA1(2d832f4038ae65bfdeedfab870f6f1176ec6b676) )
481
482 ROM_REGION( 0x04000, REGION_GFX2, ROMREGION_DISPOSE )
483 ROM_LOAD( "ic55.rom", 0x0000, 0x2000, CRC(ef7f8651) SHA1(2d91057501e5e9c4255e0d55fff0d99c2a5be7e8) )
484 ROM_LOAD( "ic56.rom", 0x2000, 0x2000, CRC(03b40905) SHA1(c10d87796e8a6e6a2a37c6fb713821cc87299cc8) )
485
486 ROM_REGION( 0x08000, REGION_GFX3, ROMREGION_DISPOSE )
487 ROM_LOAD( "ic8.rom", 0x0000, 0x2000, CRC(6afdeec8) SHA1(782fe0a8aea48c3c270318b7ba011fc6fce0db7a) )
488 ROM_LOAD( "ic9.rom", 0x2000, 0x2000, CRC(d3dc9da3) SHA1(0d98d6e993b5a4845a23802751023b7a593dce29) )
489 ROM_LOAD( "ic10.rom", 0x4000, 0x2000, CRC(d10b2eed) SHA1(3809a0adf935a119f9ee0d4c24f1456c35d2a6fa) )
490 ROM_LOAD( "ic11.rom", 0x6000, 0x2000, CRC(00ca6b3d) SHA1(08ce5b13d5ebc79cc803949f4ba9e630e6cd92b8) )
491
492 ROM_REGION( 0x0b00, REGION_PROMS, 0 )
493 ROM_LOAD( "74s287.p6", 0x0000, 0x0100, CRC(50030af0) SHA1(e748ae0b8702b7d20fb65c254dceee23246b3d13) ) /* palette blue bits */
494 ROM_LOAD( "74s287.o6", 0x0100, 0x0100, CRC(e8f34e11) SHA1(8f438561b8d46ffff00747ed8baf0ebb6a081615) ) /* palette green bits */
495 ROM_LOAD( "74s287.q5", 0x0200, 0x0100, CRC(e9643b8b) SHA1(7bbb92a42e7c3effb701fc7b2c24f2470f31b063) ) /* palette red bits */
496 ROM_LOAD( "82s191n", 0x0300, 0x0800, CRC(93c891e3) SHA1(643a0107717b6a434432dda73a0102e6e8adbca7) ) /* lookup table */
497 ROM_END
498
499 ROM_START( retofin1 )
500 ROM_REGION( 0x10000, REGION_CPU1, 0 ) /* 64k for code */
501 ROM_LOAD( "roi.02", 0x0000, 0x2000, CRC(d98fd462) SHA1(fd35e13b7dee58639a01b040b8f84d42bb40b633) )
502 ROM_LOAD( "roi.01b", 0x2000, 0x2000, CRC(3379f930) SHA1(c67d687a10b6240bd6e2fbdb15e1b7d276e6fc07) )
503 ROM_LOAD( "roi.01", 0x4000, 0x2000, CRC(57679062) SHA1(4f121101ab1cb8de8e693e5984ef23fa587fe696) )
504
505 ROM_REGION( 0x10000, REGION_CPU2, 0 ) /* 64k for code */
506 ROM_LOAD( "ic62.rom", 0x0000, 0x2000, CRC(d2899cc1) SHA1(fdbec743b06f4cdcc134ef863e4e71337ad0b2c5) )
507
508 ROM_REGION( 0x10000, REGION_CPU3, 0 ) /* 64k for sound cpu */
509 ROM_LOAD( "ic17.rom", 0x0000, 0x2000, CRC(9025abea) SHA1(2f03e8572f23624d7cd1215a55109e97fd66e271) )
510
511 ROM_REGION( 0x02000, REGION_GFX1, ROMREGION_DISPOSE )
512 ROM_LOAD( "ic61.rom", 0x0000, 0x2000, CRC(4e3f501c) SHA1(2d832f4038ae65bfdeedfab870f6f1176ec6b676) )
513
514 ROM_REGION( 0x04000, REGION_GFX2, ROMREGION_DISPOSE )
515 ROM_LOAD( "ic55.rom", 0x0000, 0x2000, CRC(ef7f8651) SHA1(2d91057501e5e9c4255e0d55fff0d99c2a5be7e8) )
516 ROM_LOAD( "ic56.rom", 0x2000, 0x2000, CRC(03b40905) SHA1(c10d87796e8a6e6a2a37c6fb713821cc87299cc8) )
517
518 ROM_REGION( 0x08000, REGION_GFX3, ROMREGION_DISPOSE )
519 ROM_LOAD( "ic8.rom", 0x0000, 0x2000, CRC(6afdeec8) SHA1(782fe0a8aea48c3c270318b7ba011fc6fce0db7a) )
520 ROM_LOAD( "ic9.rom", 0x2000, 0x2000, CRC(d3dc9da3) SHA1(0d98d6e993b5a4845a23802751023b7a593dce29) )
521 ROM_LOAD( "ic10.rom", 0x4000, 0x2000, CRC(d10b2eed) SHA1(3809a0adf935a119f9ee0d4c24f1456c35d2a6fa) )
522 ROM_LOAD( "ic11.rom", 0x6000, 0x2000, CRC(00ca6b3d) SHA1(08ce5b13d5ebc79cc803949f4ba9e630e6cd92b8) )
523
524 ROM_REGION( 0x0b00, REGION_PROMS, 0 )
525 ROM_LOAD( "74s287.p6", 0x0000, 0x0100, CRC(50030af0) SHA1(e748ae0b8702b7d20fb65c254dceee23246b3d13) ) /* palette blue bits */
526 ROM_LOAD( "74s287.o6", 0x0100, 0x0100, CRC(e8f34e11) SHA1(8f438561b8d46ffff00747ed8baf0ebb6a081615) ) /* palette green bits */
527 ROM_LOAD( "74s287.q5", 0x0200, 0x0100, CRC(e9643b8b) SHA1(7bbb92a42e7c3effb701fc7b2c24f2470f31b063) ) /* palette red bits */
528 ROM_LOAD( "82s191n", 0x0300, 0x0800, CRC(93c891e3) SHA1(643a0107717b6a434432dda73a0102e6e8adbca7) ) /* lookup table */
529 ROM_END
530
531 ROM_START( retofin2 )
532 ROM_REGION( 0x10000, REGION_CPU1, 0 ) /* 64k for code */
533 ROM_LOAD( "ri-c.1e", 0x0000, 0x2000, CRC(e3c31260) SHA1(cc8774251c567da2e4a54091223927c95f497fe8) )
534 ROM_LOAD( "roi.01b", 0x2000, 0x2000, CRC(3379f930) SHA1(c67d687a10b6240bd6e2fbdb15e1b7d276e6fc07) )
535 ROM_LOAD( "ri-a.1c", 0x4000, 0x2000, CRC(3ae7c530) SHA1(5d1be375494fa07124071067661c4bfc2d724d54) )
536
537 ROM_REGION( 0x10000, REGION_CPU2, 0 ) /* 64k for code */
538 ROM_LOAD( "ic62.rom", 0x0000, 0x2000, CRC(d2899cc1) SHA1(fdbec743b06f4cdcc134ef863e4e71337ad0b2c5) )
539
540 ROM_REGION( 0x10000, REGION_CPU3, 0 ) /* 64k for sound cpu */
541 ROM_LOAD( "ic17.rom", 0x0000, 0x2000, CRC(9025abea) SHA1(2f03e8572f23624d7cd1215a55109e97fd66e271) )
542
543 ROM_REGION( 0x02000, REGION_GFX1, ROMREGION_DISPOSE )
544 ROM_LOAD( "ic61.rom", 0x0000, 0x2000, CRC(4e3f501c) SHA1(2d832f4038ae65bfdeedfab870f6f1176ec6b676) )
545
546 ROM_REGION( 0x04000, REGION_GFX2, ROMREGION_DISPOSE )
547 ROM_LOAD( "ic55.rom", 0x0000, 0x2000, CRC(ef7f8651) SHA1(2d91057501e5e9c4255e0d55fff0d99c2a5be7e8) )
548 ROM_LOAD( "ic56.rom", 0x2000, 0x2000, CRC(03b40905) SHA1(c10d87796e8a6e6a2a37c6fb713821cc87299cc8) )
549
550 ROM_REGION( 0x08000, REGION_GFX3, ROMREGION_DISPOSE )
551 ROM_LOAD( "ic8.rom", 0x0000, 0x2000, CRC(6afdeec8) SHA1(782fe0a8aea48c3c270318b7ba011fc6fce0db7a) )
552 ROM_LOAD( "ic9.rom", 0x2000, 0x2000, CRC(d3dc9da3) SHA1(0d98d6e993b5a4845a23802751023b7a593dce29) )
553 ROM_LOAD( "ic10.rom", 0x4000, 0x2000, CRC(d10b2eed) SHA1(3809a0adf935a119f9ee0d4c24f1456c35d2a6fa) )
554 ROM_LOAD( "ic11.rom", 0x6000, 0x2000, CRC(00ca6b3d) SHA1(08ce5b13d5ebc79cc803949f4ba9e630e6cd92b8) )
555
556 ROM_REGION( 0x0b00, REGION_PROMS, 0 )
557 ROM_LOAD( "74s287.p6", 0x0000, 0x0100, CRC(50030af0) SHA1(e748ae0b8702b7d20fb65c254dceee23246b3d13) ) /* palette blue bits */
558 ROM_LOAD( "74s287.o6", 0x0100, 0x0100, CRC(e8f34e11) SHA1(8f438561b8d46ffff00747ed8baf0ebb6a081615) ) /* palette green bits */
559 ROM_LOAD( "74s287.q5", 0x0200, 0x0100, CRC(e9643b8b) SHA1(7bbb92a42e7c3effb701fc7b2c24f2470f31b063) ) /* palette red bits */
560 ROM_LOAD( "82s191n", 0x0300, 0x0800, CRC(93c891e3) SHA1(643a0107717b6a434432dda73a0102e6e8adbca7) ) /* lookup table */
561 ROM_END
562
563
564
565 GAME( 1985, retofinv, 0, retofinv, retofinv, 0, ROT270, "Taito Corporation", "Return of the Invaders" )
566 GAME( 1985, retofin1, retofinv, retofinb, retofinv, 0, ROT270, "bootleg", "Return of the Invaders (bootleg set 1)" )
567 GAME( 1985, retofin2, retofinv, retofinb, retofinv, 0, ROT270, "bootleg", "Return of the Invaders (bootleg set 2)" )
568