1 /***************************************************************************
2
3 Cinematronics Cosmic Chasm hardware
4
5 driver by Mathis Rosenhauer
6
7 Games supported:
8 * Cosmic Chasm
9
10 Known bugs:
11 * none at this time
12
13 ***************************************************************************/
14
15 #include "driver.h"
16 #include "vidhrdw/vector.h"
17 #include "machine/z80fmly.h"
18 #include "cchasm.h"
19
20
21
22 /*************************************
23 *
24 * Main CPU memory handlers
25 *
26 *************************************/
27
MEMORY_READ16_START(readmem)28 static MEMORY_READ16_START( readmem )
29 { 0x000000, 0x00ffff, MRA16_ROM },
30 { 0x040000, 0x04000f, cchasm_6840_r },
31 { 0x060000, 0x060001, input_port_0_word_r },
32 { 0xf80000, 0xf800ff, cchasm_io_r },
33 { 0xffb000, 0xffffff, MRA16_RAM },
34 MEMORY_END
35
36
37 static MEMORY_WRITE16_START( writemem )
38 { 0x000000, 0x00ffff, MWA16_ROM },
39 { 0x040000, 0x04000f, cchasm_6840_w },
40 { 0x050000, 0x050001, cchasm_refresh_control_w },
41 { 0x060000, 0x060001, cchasm_led_w },
42 { 0x070000, 0x070001, watchdog_reset16_w },
43 { 0xf80000, 0xf800ff, cchasm_io_w },
44 { 0xffb000, 0xffffff, MWA16_RAM, &cchasm_ram },
45 MEMORY_END
46
47
48
49 /*************************************
50 *
51 * Sound CPU memory handlers
52 *
53 *************************************/
54
55 static MEMORY_READ_START( sound_readmem )
56 { 0x0000, 0x0fff, MRA_ROM },
57 { 0x4000, 0x43ff, MRA_RAM },
58 { 0x5000, 0x53ff, MRA_RAM },
59 { 0x6000, 0x6fff, cchasm_snd_io_r },
60 MEMORY_END
61
62
63 static MEMORY_WRITE_START( sound_writemem )
64 { 0x0000, 0x0fff, MWA_ROM },
65 { 0x4000, 0x43ff, MWA_RAM },
66 { 0x5000, 0x53ff, MWA_RAM },
67 { 0x6000, 0x6fff, cchasm_snd_io_w },
68 MEMORY_END
69
70
71 static PORT_READ_START( sound_readport )
72 { 0x00, 0x03, z80ctc_0_r },
73 PORT_END
74
75
76 static PORT_WRITE_START( sound_writeport )
77 { 0x00, 0x03, z80ctc_0_w },
78 PORT_END
79
80
81
82 /*************************************
83 *
84 * Port definitions
85 *
86 *************************************/
87
88 INPUT_PORTS_START( cchasm )
89 PORT_START /* DSW */
90 PORT_DIPNAME( 0x01, 0x01, DEF_STR( Lives ) )
91 PORT_DIPSETTING( 0x01, "3" )
92 PORT_DIPSETTING( 0x00, "5" )
93 PORT_DIPNAME( 0x06, 0x06, DEF_STR( Bonus_Life ) )
94 PORT_DIPSETTING( 0x06, "40000" )
95 PORT_DIPSETTING( 0x04, "60000" )
96 PORT_DIPSETTING( 0x02, "80000" )
97 PORT_DIPSETTING( 0x00, "100000" )
98 PORT_DIPNAME( 0x08, 0x08, DEF_STR( Difficulty ) )
99 PORT_DIPSETTING( 0x00, "Easy" )
100 PORT_DIPSETTING( 0x08, "Hard" )
101 PORT_DIPNAME( 0x10, 0x10, DEF_STR( Bonus_Life ) )
102 PORT_DIPSETTING( 0x00, "Once" )
103 PORT_DIPSETTING( 0x10, "Every" )
104 PORT_DIPNAME( 0x20, 0x00, DEF_STR( Demo_Sounds ) )
105 PORT_DIPSETTING( 0x20, DEF_STR( Off ) )
106 PORT_DIPSETTING( 0x00, DEF_STR( On ) )
107 PORT_DIPNAME( 0x40, 0x40, DEF_STR( Coinage ) )
108 PORT_DIPSETTING( 0x00, DEF_STR( 2C_1C ) )
109 PORT_DIPSETTING( 0x40, DEF_STR( 1C_1C ) )
110 PORT_SERVICE( 0x80, IP_ACTIVE_LOW )
111
112 PORT_START /* IN1 */
113 PORT_ANALOG( 0xff, 0, IPT_DIAL, 100, 10, 0, 0)
114
115 PORT_START /* IN2 */
116 PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNUSED )
117 PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_BUTTON1 )
118 PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON2 )
119 PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON3 )
120 PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNUSED )
121 PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNUSED )
122 PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_START1 )
123 PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_START2 )
124
125 PORT_START /* IN3 */
126 PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_COIN1 )
127 PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_COIN2 )
128 PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_COIN3 )
129 PORT_BITX(0x01, IP_ACTIVE_LOW, 0, "Test 1", KEYCODE_F1, IP_JOY_NONE )
130 PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_UNUSED ) /* Test 2, not used in cchasm */
131 PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_UNUSED ) /* Test 3, not used in cchasm */
132 INPUT_PORTS_END
133
134
135
136 /*************************************
137 *
138 * Sound interfaces
139 *
140 *************************************/
141
142 static struct AY8910interface ay8910_interface =
143 {
144 2, /* 2 chips */
145 1818182, /* 1.82 MHz */
146 { 20, 20 },
147 { 0, 0 },
148 { 0, 0 },
149 { 0, 0 },
150 { 0, 0 }
151 };
152
153
154 static struct CustomSound_interface custom_interface =
155 {
156 cchasm_sh_start,
157 0,
158 cchasm_sh_update
159 };
160
161
162
163 /*************************************
164 *
165 * CPU config
166 *
167 *************************************/
168
169 static Z80_DaisyChain daisy_chain[] =
170 {
171 { z80ctc_reset, z80ctc_interrupt, z80ctc_reti, 0 }, /* CTC number 0 */
172 { 0,0,0,-1 } /* end mark */
173 };
174
175
176
177 /*************************************
178 *
179 * Machine drivers
180 *
181 *************************************/
182
183 static MACHINE_DRIVER_START( cchasm )
184
185 /* basic machine hardware */
186 MDRV_CPU_ADD(M68000,8000000) /* 8 MHz (from schematics) */
187 MDRV_CPU_MEMORY(readmem,writemem)
188
189 MDRV_CPU_ADD(Z80,3584229) /* 3.58 MHz (from schematics) */
190 MDRV_CPU_CONFIG(daisy_chain)
191 MDRV_CPU_MEMORY(sound_readmem,sound_writemem)
192 MDRV_CPU_PORTS(sound_readport,sound_writeport)
193
194 MDRV_FRAMES_PER_SECOND(40)
195
196 /* video hardware */
197 MDRV_VIDEO_ATTRIBUTES(VIDEO_TYPE_VECTOR | VIDEO_RGB_DIRECT)
198 MDRV_SCREEN_SIZE(400, 300)
199 MDRV_VISIBLE_AREA(0, 1024-1, 0, 768-1)
200 MDRV_PALETTE_LENGTH(32768)
201
202 MDRV_VIDEO_START(cchasm)
203 MDRV_VIDEO_UPDATE(vector)
204
205 /* sound hardware */
206 MDRV_SOUND_ADD(AY8910, ay8910_interface)
207 MDRV_SOUND_ADD(CUSTOM, custom_interface)
208 MACHINE_DRIVER_END
209
210
211
212 /*************************************
213 *
214 * ROM definitions
215 *
216 *************************************/
217
218 ROM_START( cchasm )
219 ROM_REGION( 0x010000, REGION_CPU1, 0 )
220 ROM_LOAD16_BYTE( "chasm.u4", 0x000000, 0x001000, CRC(19244f25) SHA1(79deaae82da8d1b16d05bbac43ba900c4b1d9f26) )
221 ROM_LOAD16_BYTE( "chasm.u12", 0x000001, 0x001000, CRC(5d702c7d) SHA1(cbdceed45a1112594fbcbeb6976edc932b32d518) )
222 ROM_LOAD16_BYTE( "chasm.u8", 0x002000, 0x001000, CRC(56a7ce8a) SHA1(14c790dcddb78d3b81b5a65fe3529e42c9708273) )
223 ROM_LOAD16_BYTE( "chasm.u16", 0x002001, 0x001000, CRC(2e192db0) SHA1(1a8ff983295ab52b5099c089b3142cdc56d28aee) )
224 ROM_LOAD16_BYTE( "chasm.u3", 0x004000, 0x001000, CRC(9c71c600) SHA1(900526eaff7483fc478ebfb3f14796ff8fd1d01f) )
225 ROM_LOAD16_BYTE( "chasm.u11", 0x004001, 0x001000, CRC(a4eb59a5) SHA1(a7bb3ca8f1f000f224def6342ca9d1eabcb210e6) )
226 ROM_LOAD16_BYTE( "chasm.u7", 0x006000, 0x001000, CRC(8308dd6e) SHA1(82ad7c27e9a41af5280ecd975d3530ff2ed27ad4) )
227 ROM_LOAD16_BYTE( "chasm.u15", 0x006001, 0x001000, CRC(9d3abf97) SHA1(476d684182d92d66263df82e1b5c4ff24b6814e8) )
228 ROM_LOAD16_BYTE( "u2", 0x008000, 0x001000, CRC(4e076ae7) SHA1(a72f5425b256785b810ee5f23917b44f778cfcd3) )
229 ROM_LOAD16_BYTE( "u10", 0x008001, 0x001000, CRC(cc9e19ca) SHA1(6c46ec265c2cc0683470ed1df978b96b577c5ca1) )
230 ROM_LOAD16_BYTE( "chasm.u6", 0x00a000, 0x001000, CRC(a96525d2) SHA1(1c41bc3bf051cf1830182cbde6fba4e56db7e431) )
231 ROM_LOAD16_BYTE( "chasm.u14", 0x00a001, 0x001000, CRC(8e426628) SHA1(2d70a7717b18cc892332b9d5d2de3ceba6c1481d) )
232 ROM_LOAD16_BYTE( "u1", 0x00c000, 0x001000, CRC(88b71027) SHA1(49fa676d7838c643d642fbc70579ce29e76ba724) )
233 ROM_LOAD16_BYTE( "chasm.u9", 0x00c001, 0x001000, CRC(d90c9773) SHA1(4033f0579f0782db2157f6cbece53b0d74e61d4f) )
234 ROM_LOAD16_BYTE( "chasm.u5", 0x00e000, 0x001000, CRC(e4a58b7d) SHA1(0e5f948cd110804e6119fafb4e3fa5904dd1390f) )
235 ROM_LOAD16_BYTE( "chasm.u13", 0x00e001, 0x001000, CRC(877e849c) SHA1(bdeb97fcb7488e7f0866dd651204c362d2ec9f4f) )
236
237 ROM_REGION( 0x10000, REGION_CPU2, 0 ) /* 64k for the audio CPU */
238 ROM_LOAD( "2732.bin", 0x0000, 0x1000, CRC(715adc4a) SHA1(426be4f3334ef7f2e8eb4d533e64276c30812aa3) )
239 ROM_END
240
241 ROM_START( cchasm1 )
242 ROM_REGION( 0x010000, REGION_CPU1, 0 )
243 ROM_LOAD16_BYTE( "chasm.u4", 0x000000, 0x001000, CRC(19244f25) SHA1(79deaae82da8d1b16d05bbac43ba900c4b1d9f26) )
244 ROM_LOAD16_BYTE( "chasm.u12", 0x000001, 0x001000, CRC(5d702c7d) SHA1(cbdceed45a1112594fbcbeb6976edc932b32d518) )
245 ROM_LOAD16_BYTE( "chasm.u8", 0x002000, 0x001000, CRC(56a7ce8a) SHA1(14c790dcddb78d3b81b5a65fe3529e42c9708273) )
246 ROM_LOAD16_BYTE( "chasm.u16", 0x002001, 0x001000, CRC(2e192db0) SHA1(1a8ff983295ab52b5099c089b3142cdc56d28aee) )
247 ROM_LOAD16_BYTE( "chasm.u3", 0x004000, 0x001000, CRC(9c71c600) SHA1(900526eaff7483fc478ebfb3f14796ff8fd1d01f) )
248 ROM_LOAD16_BYTE( "chasm.u11", 0x004001, 0x001000, CRC(a4eb59a5) SHA1(a7bb3ca8f1f000f224def6342ca9d1eabcb210e6) )
249 ROM_LOAD16_BYTE( "chasm.u7", 0x006000, 0x001000, CRC(8308dd6e) SHA1(82ad7c27e9a41af5280ecd975d3530ff2ed27ad4) )
250 ROM_LOAD16_BYTE( "chasm.u15", 0x006001, 0x001000, CRC(9d3abf97) SHA1(476d684182d92d66263df82e1b5c4ff24b6814e8) )
251 ROM_LOAD16_BYTE( "chasm.u2", 0x008000, 0x001000, CRC(008b26ef) SHA1(6758d77bf48f466b8692bf7c678a597792d8cfdb) )
252 ROM_LOAD16_BYTE( "chasm.u10", 0x008001, 0x001000, CRC(c2c532a3) SHA1(d29d40d42a2f69de0b1e2ee6a32633468a94fd85) )
253 ROM_LOAD16_BYTE( "chasm.u6", 0x00a000, 0x001000, CRC(a96525d2) SHA1(1c41bc3bf051cf1830182cbde6fba4e56db7e431) )
254 ROM_LOAD16_BYTE( "chasm.u14", 0x00a001, 0x001000, CRC(8e426628) SHA1(2d70a7717b18cc892332b9d5d2de3ceba6c1481d) )
255 ROM_LOAD16_BYTE( "chasm.u1", 0x00c000, 0x001000, CRC(e02293f8) SHA1(136757b3c9e0ebfde6c13c57ac52f5fdbf5fd65b) )
256 ROM_LOAD16_BYTE( "chasm.u9", 0x00c001, 0x001000, CRC(d90c9773) SHA1(4033f0579f0782db2157f6cbece53b0d74e61d4f) )
257 ROM_LOAD16_BYTE( "chasm.u5", 0x00e000, 0x001000, CRC(e4a58b7d) SHA1(0e5f948cd110804e6119fafb4e3fa5904dd1390f) )
258 ROM_LOAD16_BYTE( "chasm.u13", 0x00e001, 0x001000, CRC(877e849c) SHA1(bdeb97fcb7488e7f0866dd651204c362d2ec9f4f) )
259
260 ROM_REGION( 0x10000, REGION_CPU2, 0 ) /* 64k for the audio CPU */
261 ROM_LOAD( "2732.bin", 0x0000, 0x1000, CRC(715adc4a) SHA1(426be4f3334ef7f2e8eb4d533e64276c30812aa3) )
262 ROM_END
263
264
265
266
267 /*************************************
268 *
269 * Game drivers
270 *
271 *************************************/
272
273 GAME( 1983, cchasm, 0, cchasm, cchasm, 0, ROT270, "Cinematronics / GCE", "Cosmic Chasm (set 1)" )
274 GAME( 1983, cchasm1, cchasm, cchasm, cchasm, 0, ROT270, "Cinematronics / GCE", "Cosmic Chasm (set 2)" )
275