1 #include "../vidhrdw/brkthru.c"
2 
3 /***************************************************************************
4 Break Thru Doc. Data East (1986)
5 
6 driver by Phil Stroffolino
7 
8 UNK-1.1    (16Kb)  Code (4000-7FFF)
9 UNK-1.2    (32Kb)  Main 6809 (8000-FFFF)
10 UNK-1.3    (32Kb)  Mapped (2000-3FFF)
11 UNK-1.4    (32Kb)  Mapped (2000-3FFF)
12 
13 UNK-1.5    (32Kb)  Sound 6809 (8000-FFFF)
14 
15 Background has 4 banks, with 256 16x16x8 tiles in each bank.
16 UNK-1.6    (32Kb)  GFX Background
17 UNK-1.7    (32Kb)  GFX Background
18 UNK-1.8    (32Kb)  GFX Background
19 
20 UNK-1.9    (32Kb)  GFX Sprites
21 UNK-1.10   (32Kb)  GFX Sprites
22 UNK-1.11   (32Kb)  GFX Sprites
23 
24 Text has 256 8x8x4 characters.
25 UNK-1.12   (8Kb)   GFX Text
26 
27 **************************************************************************
28 Memory Map for Main CPU by Carlos A. Lozano
29 **************************************************************************
30 
31 MAIN CPU
32 0000-03FF                                   W                   Plane0
33 0400-0BFF                                  R/W                  RAM
34 0C00-0FFF                                   W                   Plane2(Background)
35 1000-10FF                                   W                   Plane1(sprites)
36 1100-17FF                                  R/W                  RAM
37 1800-180F                                  R/W                  In/Out
38 1810-1FFF                                  R/W                  RAM (unmapped?)
39 2000-3FFF                                   R                   ROM Mapped(*)
40 4000-7FFF                                   R                   ROM(UNK-1.1)
41 8000-FFFF                                   R                   ROM(UNK-1.2)
42 
43 Interrupts: Reset, NMI, IRQ
44 The test routine is at F000
45 
46 Sound: YM2203 and YM3526 driven by 6809.  Sound added by Bryan McPhail, 1/4/98.
47 
48 ***************************************************************************/
49 
50 #include "driver.h"
51 #include "vidhrdw/generic.h"
52 #include "cpu/m6809/m6809.h"
53 
54 
55 unsigned char *brkthru_nmi_enable; /* needs to be tracked down */
56 extern unsigned char *brkthru_videoram;
57 extern size_t brkthru_videoram_size;
58 
59 WRITE_HANDLER( brkthru_1800_w );
60 int brkthru_vh_start(void);
61 void brkthru_vh_stop(void);
62 void brkthru_vh_convert_color_prom(unsigned char *palette, unsigned short *colortable,const unsigned char *color_prom);
63 void brkthru_vh_screenrefresh(struct osd_bitmap *bitmap,int full_refresh);
64 
65 
66 static int nmi_enable;
67 
WRITE_HANDLER(brkthru_1803_w)68 WRITE_HANDLER( brkthru_1803_w )
69 {
70 	/* bit 0 = NMI enable */
71 	nmi_enable = ~data & 1;
72 
73 	/* bit 1 = ? maybe IRQ acknowledge */
74 }
WRITE_HANDLER(darwin_0803_w)75 WRITE_HANDLER( darwin_0803_w )
76 {
77 	/* bit 0 = NMI enable */
78 	/*nmi_enable = ~data & 1;*/
79 	//logerror("0803 %02X\n",data);
80         nmi_enable = data;
81 	/* bit 1 = ? maybe IRQ acknowledge */
82 }
83 
WRITE_HANDLER(brkthru_soundlatch_w)84 WRITE_HANDLER( brkthru_soundlatch_w )
85 {
86 	soundlatch_w(offset,data);
87 	cpu_cause_interrupt(1,M6809_INT_NMI);
88 }
89 
90 
91 
92 static struct MemoryReadAddress readmem[] =
93 {
94 	{ 0x0000, 0x03ff, MRA_RAM },		/* Plane 0: Text */
95 	{ 0x0400, 0x0bff, MRA_RAM },
96 	{ 0x0c00, 0x0fff, MRA_RAM },		/* Plane 2  Background */
97 	{ 0x1000, 0x10ff, MRA_RAM },		/* Plane 1: Sprites */
98 	{ 0x1100, 0x17ff, MRA_RAM },
99 	{ 0x1800, 0x1800, input_port_0_r },	/* player controls, player start */
100 	{ 0x1801, 0x1801, input_port_1_r },	/* cocktail player controls */
101 	{ 0x1802, 0x1802, input_port_3_r },	/* DSW 0 */
102 	{ 0x1803, 0x1803, input_port_2_r },	/* coin input & DSW */
103 	{ 0x2000, 0x3fff, MRA_BANK1 },
104 	{ 0x4000, 0xffff, MRA_ROM },
105 	{ -1 }  /* end of table */
106 };
107 
108 static struct MemoryWriteAddress writemem[] =
109 {
110 	{ 0x0000, 0x03ff, MWA_RAM, &brkthru_videoram, &brkthru_videoram_size },
111 	{ 0x0400, 0x0bff, MWA_RAM },
112 	{ 0x0c00, 0x0fff, videoram_w, &videoram, &videoram_size },
113 	{ 0x1000, 0x10ff, MWA_RAM, &spriteram, &spriteram_size },
114 	{ 0x1100, 0x17ff, MWA_RAM },
115 	{ 0x1800, 0x1801, brkthru_1800_w },	/* bg scroll and color, ROM bank selection, flip screen */
116 	{ 0x1802, 0x1802, brkthru_soundlatch_w },
117 	{ 0x1803, 0x1803, brkthru_1803_w },	/* NMI enable, + ? */
118 	{ 0x2000, 0xffff, MWA_ROM },
119 	{ -1 }  /* end of table */
120 };
121 static struct MemoryReadAddress darwin_readmem[] =
122 {
123 	{ 0x1000, 0x13ff, MRA_RAM },		/* Plane 0: Text */
124 	{ 0x0400, 0x07ff, MRA_RAM },
125 	{ 0x1c00, 0x1fff, MRA_RAM },		/* Plane 2  Background */
126 	{ 0x0000, 0x00ff, MRA_RAM },		/* Plane 1: Sprites */
127  	{ 0x1400, 0x1bff, MRA_RAM },
128 	{ 0x0800, 0x0800, input_port_0_r },	/* player controls, player start */
129 	{ 0x0801, 0x0801, input_port_1_r },	/* cocktail player controls */
130 	{ 0x0802, 0x0802, input_port_3_r },	/* DSW 0 */
131 	{ 0x0803, 0x0803, input_port_2_r },	/* coin input & DSW */
132 	{ 0x2000, 0x3fff, MRA_BANK1 },
133 	{ 0x4000, 0xffff, MRA_ROM },
134 	{ -1 }  /* end of table */
135 };
136 
137 static struct MemoryWriteAddress darwin_writemem[] =
138 {
139 	{ 0x1000, 0x13ff, MWA_RAM, &brkthru_videoram, &brkthru_videoram_size },
140 	{ 0x1c00, 0x1fff, videoram_w, &videoram, &videoram_size },
141 	{ 0x0000, 0x00ff, MWA_RAM, &spriteram, &spriteram_size },
142 	{ 0x1400, 0x1bff, MWA_RAM },
143 	{ 0x0100, 0x01ff, MWA_NOP  }, /*tidyup, nothing realy here?*/
144 	{ 0x0800, 0x0801, brkthru_1800_w },     /* bg scroll and color, ROM bank selection, flip screen */
145 	{ 0x0802, 0x0802, brkthru_soundlatch_w },
146 	{ 0x0803, 0x0803, darwin_0803_w },     /* NMI enable, + ? */
147 	{ 0x2000, 0xffff, MWA_ROM },
148 	{ -1 }  /* end of table */
149 };
150 
151 static struct MemoryReadAddress sound_readmem[] =
152 {
153 	{ 0x0000, 0x1fff, MRA_RAM },
154 	{ 0x4000, 0x4000, soundlatch_r },
155 	{ 0x6000, 0x6000, YM2203_status_port_0_r },
156 	{ 0x8000, 0xffff, MRA_ROM },
157 	{ -1 }  /* end of table */
158 };
159 
160 static struct MemoryWriteAddress sound_writemem[] =
161 {
162 	{ 0x0000, 0x1fff, MWA_RAM },
163 	{ 0x2000, 0x2000, YM3526_control_port_0_w  },
164 	{ 0x2001, 0x2001, YM3526_write_port_0_w },
165 	{ 0x6000, 0x6000, YM2203_control_port_0_w },
166 	{ 0x6001, 0x6001, YM2203_write_port_0_w },
167 	{ 0x8000, 0xffff, MWA_ROM },
168 	{ -1 }  /* end of table */
169 };
170 
171 
172 
brkthru_interrupt(void)173 int brkthru_interrupt(void)
174 {
175 	if (cpu_getiloops() == 0)
176 	{
177 		if (nmi_enable) return nmi_interrupt();
178 	}
179 	else
180 	{
181 		/* generate IRQ on coin insertion */
182 		if ((readinputport(2) & 0xe0) != 0xe0) return interrupt();
183 	}
184 
185 	return ignore_interrupt();
186 }
187 
188 INPUT_PORTS_START( brkthru )
189 	PORT_START	/* IN0 */
190 	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON1 )
191 	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON2 )
192 	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN | IPF_8WAY )
193 	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_UP | IPF_8WAY )
194 	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT | IPF_8WAY )
195 	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT | IPF_8WAY )
196 	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_START1 )
197 	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_START2 )
198 
199 	PORT_START	/* IN1 */
200 	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON1 | IPF_COCKTAIL )
201 	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON2 | IPF_COCKTAIL )
202 	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN | IPF_8WAY | IPF_COCKTAIL )
203 	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_UP | IPF_8WAY | IPF_COCKTAIL )
204 	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT | IPF_8WAY | IPF_COCKTAIL )
205 	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT | IPF_8WAY | IPF_COCKTAIL )
206 	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN )
207 	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_VBLANK )	/* used only by the self test */
208 
209 	PORT_START	/* IN2 */
210 	PORT_DIPNAME( 0x03, 0x03, DEF_STR( Lives ) )
211 	PORT_DIPSETTING(    0x02, "2" )
212 	PORT_DIPSETTING(    0x03, "3" )
213 	PORT_DIPSETTING(    0x01, "5" )
214 	PORT_BITX(0,        0x00, IPT_DIPSWITCH_SETTING | IPF_CHEAT, "99", IP_KEY_NONE, IP_JOY_NONE )
215 	PORT_DIPNAME( 0x04, 0x04, DEF_STR( Unknown ) )
216 	PORT_DIPSETTING(    0x04, DEF_STR( Off ) )
217 	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
218 	PORT_DIPNAME( 0x08, 0x08, DEF_STR( Unknown ) )
219 	PORT_DIPSETTING(    0x08, DEF_STR( Off ) )
220 	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
221 	PORT_DIPNAME( 0x10, 0x10, "Allow Continue" )
222 	PORT_DIPSETTING(    0x00, DEF_STR( No ) )
223 	PORT_DIPSETTING(    0x10, DEF_STR( Yes ) )
224 	PORT_BIT_IMPULSE( 0x20, IP_ACTIVE_LOW, IPT_COIN1, 2 )
225 	PORT_BIT_IMPULSE( 0x40, IP_ACTIVE_LOW, IPT_COIN2, 2 )
226 	PORT_BIT_IMPULSE( 0x80, IP_ACTIVE_LOW, IPT_SERVICE1, 2 )
227 
228 	PORT_START      /* DSW0 */
229 	PORT_DIPNAME( 0x03, 0x03, DEF_STR( Coin_A ) )
230 	PORT_DIPSETTING(    0x00, DEF_STR( 2C_1C ) )
231 	PORT_DIPSETTING(    0x03, DEF_STR( 1C_1C ) )
232 	PORT_DIPSETTING(    0x02, DEF_STR( 1C_2C ) )
233 	PORT_DIPSETTING(    0x01, DEF_STR( 1C_3C ) )
234 	PORT_DIPNAME( 0x0c, 0x0c, DEF_STR( Coin_B ) )
235 	PORT_DIPSETTING(    0x00, DEF_STR( 2C_1C ) )
236 	PORT_DIPSETTING(    0x0c, DEF_STR( 1C_1C ) )
237 	PORT_DIPSETTING(    0x08, DEF_STR( 1C_2C ) )
238 	PORT_DIPSETTING(    0x04, DEF_STR( 1C_3C ) )
239 	PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unknown ) )
240 	PORT_DIPSETTING(    0x10, DEF_STR( Off ) )
241 	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
242 	PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) )
243 	PORT_DIPSETTING(    0x20, DEF_STR( Off ) )
244 	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
245 	PORT_DIPNAME( 0x40, 0x00, DEF_STR( Cabinet ) )
246 	PORT_DIPSETTING(    0x00, DEF_STR( Upright ) )
247 	PORT_DIPSETTING(    0x40, DEF_STR( Cocktail ) )
248 	PORT_DIPNAME( 0x80, 0x80, DEF_STR( Unknown ) )
249 	PORT_DIPSETTING(    0x80, DEF_STR( Off ) )
250 	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
251 INPUT_PORTS_END
252 
253 INPUT_PORTS_START( darwin )
254 	PORT_START	/* IN0 */
255 	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON1 )
256 	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON2 )
257 	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN | IPF_8WAY )
258 	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_UP | IPF_8WAY )
259 	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT | IPF_8WAY )
260 	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT | IPF_8WAY )
261 	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_START1 )
262 	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_START2 )
263 
264 	PORT_START	/* IN1 */
265 	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON1 | IPF_COCKTAIL )
266 	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON2 | IPF_COCKTAIL )
267 	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN | IPF_8WAY | IPF_COCKTAIL )
268 	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_UP | IPF_8WAY | IPF_COCKTAIL )
269 	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT | IPF_8WAY | IPF_COCKTAIL )
270 	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT | IPF_8WAY | IPF_COCKTAIL )
271 	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN )
272 	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_VBLANK )
273 
274 	PORT_START	/* IN2 modified by Shingo Suzuki 1999/11/02 */
275 	PORT_DIPNAME( 0x01, 0x01, DEF_STR( Lives ) )
276 	PORT_DIPSETTING(    0x01, "3" )
277 	PORT_DIPSETTING(    0x00, "5" )
278 	PORT_DIPNAME( 0x02, 0x02, DEF_STR( Bonus_Life ) )
279 	PORT_DIPSETTING(    0x02, "20k 50k and every 50k" )
280 	PORT_DIPSETTING(    0x00, "30k 80k and every 80k" )
281 	PORT_DIPNAME( 0x0c, 0x0c, DEF_STR( Difficulty ) )
282 	PORT_DIPSETTING(    0x0c, "Easy" )
283 	PORT_DIPSETTING(    0x08, "Medium" )
284 	PORT_DIPSETTING(    0x04, "Hard" )
285 	PORT_DIPSETTING(    0x00, "Hardest" )
286 	PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unknown ) )
287 	PORT_DIPSETTING(    0x10, DEF_STR( Off ) )
288 	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
289 	PORT_BIT_IMPULSE( 0x20, IP_ACTIVE_LOW, IPT_COIN1, 2 )
290 	PORT_BIT_IMPULSE( 0x40, IP_ACTIVE_LOW, IPT_COIN2, 2 )
291 	PORT_BIT_IMPULSE( 0x80, IP_ACTIVE_LOW, IPT_SERVICE1, 2 )
292 
293 	PORT_START      /* DSW0 */
294 	PORT_DIPNAME( 0x03, 0x03, DEF_STR( Coin_A ) )
295 	PORT_DIPSETTING(    0x00, DEF_STR( 2C_1C ) )
296 	PORT_DIPSETTING(    0x03, DEF_STR( 1C_1C ) )
297 	PORT_DIPSETTING(    0x02, DEF_STR( 1C_2C ) )
298 	PORT_DIPSETTING(    0x01, DEF_STR( 1C_3C ) )
299 	PORT_DIPNAME( 0x0c, 0x0c, DEF_STR( Coin_B ) )
300 	PORT_DIPSETTING(    0x00, DEF_STR( 2C_1C ) )
301 	PORT_DIPSETTING(    0x0c, DEF_STR( 1C_1C ) )
302 	PORT_DIPSETTING(    0x08, DEF_STR( 1C_2C ) )
303 	PORT_DIPSETTING(    0x04, DEF_STR( 1C_3C ) )
304 	PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unknown ) )
305 	PORT_DIPSETTING(    0x10, DEF_STR( Off ) )
306 	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
307 	PORT_DIPNAME( 0x20, 0x00, DEF_STR( Cabinet ) )
308 	PORT_DIPSETTING(    0x00, DEF_STR( Upright ) )
309 	PORT_DIPSETTING(    0x20, DEF_STR( Cocktail ) )
310 	PORT_DIPNAME( 0x40, 0x40, DEF_STR( Demo_Sounds ) )
311 	PORT_DIPSETTING(    0x00, DEF_STR( Off ) )
312 	PORT_DIPSETTING(    0x40, DEF_STR( On ) )
313 	PORT_DIPNAME( 0x80, 0x80, DEF_STR( Unknown ) )
314 	PORT_DIPSETTING(    0x80, DEF_STR( Off ) )
315 	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
316 INPUT_PORTS_END
317 
318 
319 static struct GfxLayout charlayout =
320 {
321 	8,8,	/* 8*8 chars */
322 	256,	/* 256 characters */
323 	3,	/* 3 bits per pixel */
324 	{ 512*8*8+4, 0, 4 },	/* plane offset */
325 	{ 256*8*8+0, 256*8*8+1, 256*8*8+2, 256*8*8+3, 0, 1, 2, 3 },
326 	{ 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 },
327 	8*8	/* every char takes 8 consecutive bytes */
328 };
329 
330 static struct GfxLayout tilelayout1 =
331 {
332 	16,16,	/* 16*16 tiles */
333 	128,	/* 128 tiles */
334 	3,	/* 3 bits per pixel */
335 	{ 0x4000*8+4, 0, 4 },	/* plane offset */
336 	{ 0, 1, 2, 3, 1024*8*8+0, 1024*8*8+1, 1024*8*8+2, 1024*8*8+3,
337 			16*8+0, 16*8+1, 16*8+2, 16*8+3, 16*8+1024*8*8+0, 16*8+1024*8*8+1, 16*8+1024*8*8+2, 16*8+1024*8*8+3 },
338 	{ 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8,
339 			8*8, 9*8, 10*8, 11*8, 12*8, 13*8, 14*8, 15*8 },
340 	32*8	/* every tile takes 32 consecutive bytes */
341 };
342 
343 static struct GfxLayout tilelayout2 =
344 {
345 	16,16,	/* 16*16 tiles */
346 	128,	/* 128 tiles */
347 	3,	/* 3 bits per pixel */
348 	{ 0x3000*8+0, 0, 4 },	/* plane offset */
349 	{ 0, 1, 2, 3, 1024*8*8+0, 1024*8*8+1, 1024*8*8+2, 1024*8*8+3,
350 			16*8+0, 16*8+1, 16*8+2, 16*8+3, 16*8+1024*8*8+0, 16*8+1024*8*8+1, 16*8+1024*8*8+2, 16*8+1024*8*8+3 },
351 	{ 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8,
352 			8*8, 9*8, 10*8, 11*8, 12*8, 13*8, 14*8, 15*8 },
353 	32*8	/* every tile takes 32 consecutive bytes */
354 };
355 
356 static struct GfxLayout spritelayout =
357 {
358 	16,16,	/* 16*16 sprites */
359 	1024,	/* 1024 sprites */
360 	3,	/* 3 bits per pixel */
361 	{ 2*1024*32*8, 1024*32*8, 0 },	/* plane offset */
362 	{ 16*8+0, 16*8+1, 16*8+2, 16*8+3, 16*8+4, 16*8+5, 16*8+6, 16*8+7,
363 			0, 1, 2, 3, 4, 5, 6, 7 },
364 	{ 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8,
365 			8*8, 9*8, 10*8, 11*8, 12*8, 13*8, 14*8, 15*8 },
366 	32*8	/* every sprite takes 32 consecutive bytes */
367 };
368 
369 static struct GfxDecodeInfo gfxdecodeinfo[] =
370 {
371 	{ REGION_GFX1, 0x00000, &charlayout,      0, 1 },
372 	{ REGION_GFX2, 0x00000, &tilelayout1, 8+8*8, 16 },
373 	{ REGION_GFX2, 0x01000, &tilelayout2, 8+8*8, 16 },
374 	{ REGION_GFX2, 0x08000, &tilelayout1, 8+8*8, 16 },
375 	{ REGION_GFX2, 0x09000, &tilelayout2, 8+8*8, 16 },
376 	{ REGION_GFX2, 0x10000, &tilelayout1, 8+8*8, 16 },
377 	{ REGION_GFX2, 0x11000, &tilelayout2, 8+8*8, 16 },
378 	{ REGION_GFX2, 0x18000, &tilelayout1, 8+8*8, 16 },
379 	{ REGION_GFX2, 0x19000, &tilelayout2, 8+8*8, 16 },
380 	{ REGION_GFX3, 0x00000, &spritelayout,    8, 8 },
381 	{ -1 } /* end of array */
382 };
383 
384 /* handler called by the 3812 emulator when the internal timers cause an IRQ */
irqhandler(int linestate)385 static void irqhandler(int linestate)
386 {
387 	cpu_set_irq_line(1,0,linestate);
388 	//cpu_cause_interrupt(1,M6809_INT_IRQ);
389 }
390 
391 static struct YM2203interface ym2203_interface =
392 {
393 	1,
394 	1500000,	/* Unknown */
395 	{ YM2203_VOL(25,25) },
396 	{ 0 },
397 	{ 0 },
398 	{ 0 },
399 	{ 0 }
400 };
401 
402 static struct YM3526interface ym3526_interface =
403 {
404 	1,			/* 1 chip (no more supported) */
405 	3000000,	/* 3.000000 MHz ? (partially supported) */
406 	{ 255 },		/* (not supported) */
407 	{ irqhandler },
408 };
409 
410 
411 
412 static struct MachineDriver machine_driver_brkthru =
413 {
414 	/* basic machine hardware */
415 	{
416 		{
417 			CPU_M6809,
418 			1250000,        /* 1.25 Mhz ? */
419 			readmem,writemem,0,0,
420 			brkthru_interrupt,2
421 		},
422 		{
423 			CPU_M6809 | CPU_AUDIO_CPU,
424 			1250000,        /* 1.25 Mhz ? */
425 			sound_readmem,sound_writemem,0,0,
426 			ignore_interrupt,0	/* IRQs are caused by the YM3526 */
427 		}
428 	},
429 	58, DEFAULT_REAL_60HZ_VBLANK_DURATION,	/* frames per second, vblank duration (not sure) */
430 	1,	/* 1 CPU slice per frame - interleaving is forced when a sound command is written */
431 	0,	/* init machine */
432 
433 	/* video hardware */
434 	32*8, 32*8, { 1*8, 31*8-1, 1*8, 31*8-1 },	/* not sure */
435 	gfxdecodeinfo,
436 	256,8+8*8+16*8,
437 	brkthru_vh_convert_color_prom,
438 
439 	VIDEO_TYPE_RASTER,
440 	0,
441 	brkthru_vh_start,
442 	brkthru_vh_stop,
443 	brkthru_vh_screenrefresh,
444 
445 	/* sound hardware */
446 	0,0,0,0,
447 	{
448 		{
449 			SOUND_YM2203,
450 			&ym2203_interface
451 		},
452 		{
453 			SOUND_YM3526,
454 			&ym3526_interface
455 		}
456 	}
457 };
458 
459 static struct MachineDriver machine_driver_darwin =
460 {
461 	/* basic machine hardware */
462 	{
463 		{
464 			CPU_M6809,
465 			1500000,        /* 1.25 Mhz ? */
466 			darwin_readmem,darwin_writemem,0,0,
467 			brkthru_interrupt,2
468 		},
469 		{
470 			CPU_M6809 | CPU_AUDIO_CPU,
471 			1500000,        /* 1.25 Mhz ? */
472 			sound_readmem,sound_writemem,0,0,
473 			ignore_interrupt,0	/* IRQs are caused by the YM3526 */
474 		}
475 	},
476 	58, DEFAULT_REAL_60HZ_VBLANK_DURATION,	/* frames per second, vblank duration / 60->58 tuned by Shingo Suzuki 1999/10/16 */
477 	1,	/* 1 CPU slice per frame - interleaving is forced when a sound command is written */
478 	0,	/* init machine */
479 
480 	/* video hardware */
481 	32*8, 32*8, { 1*8, 31*8-1, 1*8, 31*8-1 },
482 	gfxdecodeinfo,
483 	256,8+8*8+16*8,
484 	brkthru_vh_convert_color_prom,
485 
486 	VIDEO_TYPE_RASTER ,
487 	0,
488 	brkthru_vh_start,
489 	brkthru_vh_stop,
490 	brkthru_vh_screenrefresh,
491 
492 	/* sound hardware */
493 	0,0,0,0,
494 	{
495 		{
496 			SOUND_YM2203,
497 			&ym2203_interface
498 		},
499 		{
500 			SOUND_YM3526,
501 			&ym3526_interface
502 		}
503 	}
504 };
505 
506 
507 /***************************************************************************
508 
509   Game driver(s)
510 
511 ***************************************************************************/
512 
513 ROM_START( brkthru )
514 	ROM_REGION( 0x20000, REGION_CPU1 )     /* 64k for main CPU + 64k for banked ROMs */
515 	ROM_LOAD( "brkthru.1",    0x04000, 0x4000, 0xcfb4265f )
516 	ROM_LOAD( "brkthru.2",    0x08000, 0x8000, 0xfa8246d9 )
517 	ROM_LOAD( "brkthru.4",    0x10000, 0x8000, 0x8cabf252 )
518 	ROM_LOAD( "brkthru.3",    0x18000, 0x8000, 0x2f2c40c2 )
519 
520 	ROM_REGION( 0x02000, REGION_GFX1 | REGIONFLAG_DISPOSE )
521 	ROM_LOAD( "brkthru.12",   0x00000, 0x2000, 0x58c0b29b )	/* characters */
522 
523 	ROM_REGION( 0x20000, REGION_GFX2 | REGIONFLAG_DISPOSE )
524 	/* background */
525 	/* we do a lot of scatter loading here, to place the data in a format */
526 	/* which can be decoded by MAME's standard functions */
527 	ROM_LOAD( "brkthru.7",    0x00000, 0x4000, 0x920cc56a )	/* bitplanes 1,2 for bank 1,2 */
528 	ROM_CONTINUE(             0x08000, 0x4000 )				/* bitplanes 1,2 for bank 3,4 */
529 	ROM_LOAD( "brkthru.6",    0x10000, 0x4000, 0xfd3cee40 )	/* bitplanes 1,2 for bank 5,6 */
530 	ROM_CONTINUE(             0x18000, 0x4000 )				/* bitplanes 1,2 for bank 7,8 */
531 	ROM_LOAD( "brkthru.8",    0x04000, 0x1000, 0xf67ee64e )	/* bitplane 3 for bank 1,2 */
532 	ROM_CONTINUE(             0x06000, 0x1000 )
533 	ROM_CONTINUE(             0x0c000, 0x1000 )				/* bitplane 3 for bank 3,4 */
534 	ROM_CONTINUE(             0x0e000, 0x1000 )
535 	ROM_CONTINUE(             0x14000, 0x1000 )				/* bitplane 3 for bank 5,6 */
536 	ROM_CONTINUE(             0x16000, 0x1000 )
537 	ROM_CONTINUE(             0x1c000, 0x1000 )				/* bitplane 3 for bank 7,8 */
538 	ROM_CONTINUE(             0x1e000, 0x1000 )
539 
540 	ROM_REGION( 0x18000, REGION_GFX3 | REGIONFLAG_DISPOSE )
541 	ROM_LOAD( "brkthru.9",    0x00000, 0x8000, 0xf54e50a7 )	/* sprites */
542 	ROM_LOAD( "brkthru.10",   0x08000, 0x8000, 0xfd156945 )
543 	ROM_LOAD( "brkthru.11",   0x10000, 0x8000, 0xc152a99b )
544 
545 	ROM_REGION( 0x0200, REGION_PROMS )
546 	ROM_LOAD( "brkthru.13",   0x0000, 0x0100, 0xaae44269 ) /* red and green component */
547 	ROM_LOAD( "brkthru.14",   0x0100, 0x0100, 0xf2d4822a ) /* blue component */
548 
549 	ROM_REGION( 0x10000, REGION_CPU2 )	/* 64K for sound CPU */
550 	ROM_LOAD( "brkthru.5",    0x8000, 0x8000, 0xc309435f )
551 ROM_END
552 
553 ROM_START( brkthruj )
554 	ROM_REGION( 0x20000, REGION_CPU1 )     /* 64k for main CPU + 64k for banked ROMs */
555 	ROM_LOAD( "1",            0x04000, 0x4000, 0x09bd60ee )
556 	ROM_LOAD( "2",            0x08000, 0x8000, 0xf2b2cd1c )
557 	ROM_LOAD( "4",            0x10000, 0x8000, 0xb42b3359 )
558 	ROM_LOAD( "brkthru.3",    0x18000, 0x8000, 0x2f2c40c2 )
559 
560 	ROM_REGION( 0x02000, REGION_GFX1 | REGIONFLAG_DISPOSE )
561 	ROM_LOAD( "12",   0x00000, 0x2000, 0x3d9a7003 )	/* characters */
562 
563 	ROM_REGION( 0x20000, REGION_GFX2 | REGIONFLAG_DISPOSE )
564 	/* background */
565 	/* we do a lot of scatter loading here, to place the data in a format */
566 	/* which can be decoded by MAME's standard functions */
567 	ROM_LOAD( "brkthru.7",    0x00000, 0x4000, 0x920cc56a )	/* bitplanes 1,2 for bank 1,2 */
568 	ROM_CONTINUE(             0x08000, 0x4000 )				/* bitplanes 1,2 for bank 3,4 */
569 	ROM_LOAD( "6",            0x10000, 0x4000, 0xcb47b395 )	/* bitplanes 1,2 for bank 5,6 */
570 	ROM_CONTINUE(             0x18000, 0x4000 )				/* bitplanes 1,2 for bank 7,8 */
571 	ROM_LOAD( "8",            0x04000, 0x1000, 0x5e5a2cd7 )	/* bitplane 3 for bank 1,2 */
572 	ROM_CONTINUE(             0x06000, 0x1000 )
573 	ROM_CONTINUE(             0x0c000, 0x1000 )				/* bitplane 3 for bank 3,4 */
574 	ROM_CONTINUE(             0x0e000, 0x1000 )
575 	ROM_CONTINUE(             0x14000, 0x1000 )				/* bitplane 3 for bank 5,6 */
576 	ROM_CONTINUE(             0x16000, 0x1000 )
577 	ROM_CONTINUE(             0x1c000, 0x1000 )				/* bitplane 3 for bank 7,8 */
578 	ROM_CONTINUE(             0x1e000, 0x1000 )
579 
580 	ROM_REGION( 0x18000, REGION_GFX3 | REGIONFLAG_DISPOSE )
581 	ROM_LOAD( "brkthru.9",    0x00000, 0x8000, 0xf54e50a7 )	/* sprites */
582 	ROM_LOAD( "brkthru.10",   0x08000, 0x8000, 0xfd156945 )
583 	ROM_LOAD( "brkthru.11",   0x10000, 0x8000, 0xc152a99b )
584 
585 	ROM_REGION( 0x0200, REGION_PROMS )
586 	ROM_LOAD( "brkthru.13",   0x0000, 0x0100, 0xaae44269 ) /* red and green component */
587 	ROM_LOAD( "brkthru.14",   0x0100, 0x0100, 0xf2d4822a ) /* blue component */
588 
589 	ROM_REGION( 0x10000, REGION_CPU2 )	/* 64K for sound CPU */
590 	ROM_LOAD( "brkthru.5",    0x8000, 0x8000, 0xc309435f )
591 ROM_END
592 
593 ROM_START( darwin )
594 	ROM_REGION( 0x20000, REGION_CPU1 )     /* 64k for main CPU + 64k for banked ROMs */
595 	ROM_LOAD( "darw_04.rom",  0x04000, 0x4000, 0x0eabf21c )
596 	ROM_LOAD( "darw_05.rom",  0x08000, 0x8000, 0xe771f864 )
597 	ROM_LOAD( "darw_07.rom",  0x10000, 0x8000, 0x97ac052c )
598 	ROM_LOAD( "darw_06.rom",  0x18000, 0x8000, 0x2a9fb208 )
599 
600 	ROM_REGION( 0x02000, REGION_GFX1 | REGIONFLAG_DISPOSE )
601 	ROM_LOAD( "darw_09.rom",  0x00000, 0x2000, 0x067b4cf5 )   /* characters */
602 
603 	ROM_REGION( 0x20000, REGION_GFX2 | REGIONFLAG_DISPOSE )
604 	/* background */
605 	/* we do a lot of scatter loading here, to place the data in a format */
606 	/* which can be decoded by MAME's standard functions */
607 	ROM_LOAD( "darw_03.rom",  0x00000, 0x4000, 0x57d0350d )	/* bitplanes 1,2 for bank 1,2 */
608 	ROM_CONTINUE(             0x08000, 0x4000 )				/* bitplanes 1,2 for bank 3,4 */
609 	ROM_LOAD( "darw_02.rom",  0x10000, 0x4000, 0x559a71ab )	/* bitplanes 1,2 for bank 5,6 */
610 	ROM_CONTINUE(             0x18000, 0x4000 )				/* bitplanes 1,2 for bank 7,8 */
611 	ROM_LOAD( "darw_01.rom",  0x04000, 0x1000, 0x15a16973 )	/* bitplane 3 for bank 1,2 */
612 	ROM_CONTINUE(             0x06000, 0x1000 )
613 	ROM_CONTINUE(             0x0c000, 0x1000 )				/* bitplane 3 for bank 3,4 */
614 	ROM_CONTINUE(             0x0e000, 0x1000 )
615 	ROM_CONTINUE(             0x14000, 0x1000 )				/* bitplane 3 for bank 5,6 */
616 	ROM_CONTINUE(             0x16000, 0x1000 )
617 	ROM_CONTINUE(             0x1c000, 0x1000 )				/* bitplane 3 for bank 7,8 */
618 	ROM_CONTINUE(             0x1e000, 0x1000 )
619 
620 	ROM_REGION( 0x18000, REGION_GFX3 | REGIONFLAG_DISPOSE )
621 	ROM_LOAD( "darw_10.rom",  0x00000, 0x8000, 0x487a014c )	/* sprites */
622 	ROM_LOAD( "darw_11.rom",  0x08000, 0x8000, 0x548ce2d1 )
623 	ROM_LOAD( "darw_12.rom",  0x10000, 0x8000, 0xfaba5fef )
624 
625 	ROM_REGION( 0x0200, REGION_PROMS )
626 	ROM_LOAD( "df.12",   0x0000, 0x0100, 0x89b952ef ) /* red and green component */
627 	ROM_LOAD( "df.13",   0x0100, 0x0100, 0xd595e91d ) /* blue component */
628 
629 	ROM_REGION( 0x10000, REGION_CPU2 )	/* 64K for sound CPU */
630 	ROM_LOAD( "darw_08.rom",  0x8000, 0x8000, 0x6b580d58 )
631 ROM_END
632 
633 
634 
635 GAME( 1986, brkthru,  0,       brkthru, brkthru, 0, ROT0,   "Data East USA", "Break Thru (US)" )
636 GAME( 1986, brkthruj, brkthru, brkthru, brkthru, 0, ROT0,   "Data East Corporation", "Kyohkoh-Toppa (Japan)" )
637 GAME( 1986, darwin,   0,       darwin,  darwin,  0, ROT270, "Data East Corporation", "Darwin 4078 (Japan)" )
638