1 /***************************************************************************
2
3 Atari Quantum hardware
4
5 driver by Paul Forgey, with some help from Aaron Giles
6
7 Games supported:
8 * Quantum
9
10 Known bugs:
11 * none at this time
12
13 ****************************************************************************
14
15 Memory map
16
17 ****************************************************************************
18
19 QUANTUM MEMORY MAP (per schem):
20
21 000000-003FFF ROM0
22 004000-004FFF ROM1
23 008000-00BFFF ROM2
24 00C000-00FFFF ROM3
25 010000-013FFF ROM4
26
27 018000-01BFFF RAM0
28 01C000-01CFFF RAM1
29
30 940000 TRACKBALL
31 948000 SWITCHES
32 950000 COLORRAM
33 958000 CONTROL (LED and coin control)
34 960000-970000 RECALL (nvram read)
35 968000 VGRST (vector reset)
36 970000 VGGO (vector go)
37 978000 WDCLR (watchdog)
38 900000 NVRAM (nvram write)
39 840000 I/OS (sound and dip switches)
40 800000-801FFF VMEM (vector display list)
41 940000 I/O (shematic label really - covered above)
42 900000 DTACK1
43
44 ***************************************************************************/
45
46 #include "driver.h"
47 #include "vidhrdw/vector.h"
48 #include "vidhrdw/avgdvg.h"
49
50
51
52 /*************************************
53 *
54 * Inputs
55 *
56 *************************************/
57
READ16_HANDLER(switches_r)58 static READ16_HANDLER( switches_r )
59 {
60 return (readinputport(0) | (avgdvg_done() ? 1 : 0));
61 }
62
63
READ16_HANDLER(trackball_r)64 static READ16_HANDLER( trackball_r )
65 {
66 return (readinputport(4) << 4) | readinputport(3);
67 }
68
69
READ_HANDLER(input_1_r)70 static READ_HANDLER( input_1_r )
71 {
72 return (readinputport(1) << (7 - (offset - POT0_C))) & 0x80;
73 }
74
75
READ_HANDLER(input_2_r)76 static READ_HANDLER( input_2_r )
77 {
78 return (readinputport(2) << (7 - (offset - POT0_C))) & 0x80;
79 }
80
81
82
83 /*************************************
84 *
85 * LEDs/coin counters
86 *
87 *************************************/
88
WRITE16_HANDLER(led_w)89 static WRITE16_HANDLER( led_w )
90 {
91 if (ACCESSING_LSB)
92 {
93 /* bits 0 and 1 are coin counters */
94 coin_counter_w(0, data & 2);
95 coin_counter_w(1, data & 1);
96
97 /* bit 3 = select second trackball for cocktail mode? */
98
99 /* bits 4 and 5 are LED controls */
100 set_led_status(0, data & 0x10);
101 set_led_status(1, data & 0x20);
102
103 /* bits 6 and 7 flip screen */
104 avg_set_flip_x (data & 0x40);
105 avg_set_flip_y (data & 0x80);
106 }
107 }
108
109
110
111 /*************************************
112 *
113 * POKEY I/O
114 *
115 *************************************/
116
WRITE16_HANDLER(pokey_word_w)117 static WRITE16_HANDLER( pokey_word_w )
118 {
119 if (offset & 0x10) /* A5 selects chip */
120 pokey2_w(offset & 0x0f, data);
121 else
122 pokey1_w(offset & 0x0f, data);
123 }
124
125
READ16_HANDLER(pokey_word_r)126 static READ16_HANDLER( pokey_word_r )
127 {
128 if (offset & 0x10)
129 return pokey2_r(offset & 0x0f);
130 else
131 return pokey1_r(offset & 0x0f);
132 }
133
134
135
136 /*************************************
137 *
138 * Main CPU memory handlers
139 *
140 *************************************/
141
MEMORY_READ16_START(readmem)142 MEMORY_READ16_START( readmem )
143 { 0x000000, 0x013fff, MRA16_ROM },
144 { 0x018000, 0x01cfff, MRA16_RAM },
145 { 0x800000, 0x801fff, MRA16_RAM },
146 { 0x840000, 0x84003f, pokey_word_r },
147 { 0x900000, 0x9001ff, MRA16_RAM },
148 { 0x940000, 0x940001, trackball_r }, /* trackball */
149 { 0x948000, 0x948001, switches_r },
150 { 0x978000, 0x978001, MRA16_NOP }, /* ??? */
151 MEMORY_END
152
153
154 MEMORY_WRITE16_START( writemem )
155 { 0x000000, 0x013fff, MWA16_ROM },
156 { 0x018000, 0x01cfff, MWA16_RAM },
157 { 0x800000, 0x801fff, MWA16_RAM, (data16_t **)&vectorram, &vectorram_size },
158 { 0x840000, 0x84003f, pokey_word_w },
159 { 0x900000, 0x9001ff, MWA16_RAM, (data16_t **)&generic_nvram, &generic_nvram_size },
160 { 0x950000, 0x95001f, quantum_colorram_w },
161 { 0x958000, 0x958001, led_w },
162 { 0x960000, 0x960001, MWA16_NOP }, /* enable NVRAM? */
163 { 0x968000, 0x968001, avgdvg_reset_word_w },
164 /* { 0x970000, 0x970001, avgdvg_go_w },*/
165 /* { 0x978000, 0x978001, watchdog_reset_w },*/
166 /* the following is wrong, but it's the only way I found to fix the service mode */
167 { 0x978000, 0x978001, avgdvg_go_word_w },
168 MEMORY_END
169
170
171
172 /*************************************
173 *
174 * Port definitions
175 *
176 *************************************/
177
178 INPUT_PORTS_START( quantum )
179 PORT_START /* IN0 */
180 /* YHALT here MUST BE ALWAYS 0 */
181 PORT_BIT( 0x01, IP_ACTIVE_HIGH,IPT_SPECIAL ) /* vg YHALT */
182 PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_COIN3 )
183 PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_START1 )
184 PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_START2 )
185 PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_COIN2 )
186 PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_COIN1 )
187 PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN )
188 PORT_SERVICE( 0x80, IP_ACTIVE_LOW )
189
190 /* first POKEY is SW2, second is SW1 -- more confusion! */
191 PORT_START /* DSW0 */
192 PORT_DIPNAME( 0xc0, 0x00, DEF_STR( Coinage ) )
193 PORT_DIPSETTING( 0x80, DEF_STR( 2C_1C ) )
194 PORT_DIPSETTING( 0x00, DEF_STR( 1C_1C ) )
195 PORT_DIPSETTING( 0xc0, DEF_STR( 1C_2C ) )
196 PORT_DIPSETTING( 0x40, DEF_STR( Free_Play ) )
197 PORT_DIPNAME( 0x30, 0x00, "Right Coin" )
198 PORT_DIPSETTING( 0x00, "*1" )
199 PORT_DIPSETTING( 0x20, "*4" )
200 PORT_DIPSETTING( 0x10, "*5" )
201 PORT_DIPSETTING( 0x30, "*6" )
202 PORT_DIPNAME( 0x08, 0x00, "Left Coin" )
203 PORT_DIPSETTING( 0x00, "*1" )
204 PORT_DIPSETTING( 0x08, "*2" )
205 PORT_DIPNAME( 0x07, 0x00, "Bonus Coins" )
206 PORT_DIPSETTING( 0x00, "None" )
207 PORT_DIPSETTING( 0x01, "1 each 5" )
208 PORT_DIPSETTING( 0x02, "1 each 4" )
209 PORT_DIPSETTING( 0x05, "1 each 3" )
210 PORT_DIPSETTING( 0x06, "2 each 4" )
211
212 PORT_START /* DSW1 */
213 PORT_BIT( 0xff, IP_ACTIVE_HIGH, IPT_UNKNOWN )
214
215 PORT_START /* IN2 */
216 PORT_ANALOG( 0x0f, 0, IPT_TRACKBALL_Y | IPF_REVERSE, 10, 10, 0,0)
217
218 PORT_START /* IN3 */
219 PORT_ANALOG( 0x0f, 0, IPT_TRACKBALL_X, 10, 10, 0, 0 )
220 INPUT_PORTS_END
221
222
223
224 /*************************************
225 *
226 * Sound definitions
227 *
228 *************************************/
229
230 static struct POKEYinterface pokey_interface =
231 {
232 2, /* 2 chips */
233 600000, /* .6 MHz? (hand tuned) */
234 { 50, 50 },
235 /* The 8 pot handlers */
236 { input_1_r, input_2_r },
237 { input_1_r, input_2_r },
238 { input_1_r, input_2_r },
239 { input_1_r, input_2_r },
240 { input_1_r, input_2_r },
241 { input_1_r, input_2_r },
242 { input_1_r, input_2_r },
243 { input_1_r, input_2_r },
244 /* The allpot handler */
245 { 0, 0 },
246 };
247
248
249
250 /*************************************
251 *
252 * Machine driver
253 *
254 *************************************/
255
256 static MACHINE_DRIVER_START( quantum )
257
258 /* basic machine hardware */
259 MDRV_CPU_ADD(M68000,6000000)
260 MDRV_CPU_MEMORY(readmem,writemem)
261 MDRV_CPU_VBLANK_INT(irq1_line_hold,3) /* IRQ rate = 750kHz/4096 */
262
263 MDRV_FRAMES_PER_SECOND(60)
264 MDRV_NVRAM_HANDLER(generic_1fill)
265
266 /* video hardware */
267 MDRV_VIDEO_ATTRIBUTES(VIDEO_TYPE_VECTOR | VIDEO_RGB_DIRECT)
268 MDRV_SCREEN_SIZE(400, 300)
269 MDRV_VISIBLE_AREA(0, 900, 0, 600)
270 MDRV_PALETTE_LENGTH(32768)
271
272 MDRV_PALETTE_INIT(avg_multi)
273 MDRV_VIDEO_START(avg_quantum)
274 MDRV_VIDEO_UPDATE(vector)
275
276 /* sound hardware */
277 MDRV_SOUND_ADD(POKEY, pokey_interface)
278 MACHINE_DRIVER_END
279
280
281
282 /*************************************
283 *
284 * ROM definition(s)
285 *
286 *************************************/
287
288 ROM_START( quantum )
289 ROM_REGION( 0x014000, REGION_CPU1, 0 )
290 ROM_LOAD16_BYTE( "136016.201", 0x000000, 0x002000, CRC(7e7be63a) SHA1(11b2d0168cdbaa7a48656b77abc0bcbe9408fe84) )
291 ROM_LOAD16_BYTE( "136016.206", 0x000001, 0x002000, CRC(2d8f5759) SHA1(54b0388ef44b5d34e621b48b465566aa16887e8f) )
292 ROM_LOAD16_BYTE( "136016.102", 0x004000, 0x002000, CRC(408d34f4) SHA1(9a30debd1240b9c103134701943c94d6b48b926d) )
293 ROM_LOAD16_BYTE( "136016.107", 0x004001, 0x002000, CRC(63154484) SHA1(c098cdbc339c9ea291c4c4fb203c60b3284e894a) )
294 ROM_LOAD16_BYTE( "136016.203", 0x008000, 0x002000, CRC(bdc52fad) SHA1(c8ede54a4f7f555adffa5b4bfea6bf646a0d02d4) )
295 ROM_LOAD16_BYTE( "136016.208", 0x008001, 0x002000, CRC(dab4066b) SHA1(dbb82df8e6de4e0f9f6e7ddd5f07618864fce8f9) )
296 ROM_LOAD16_BYTE( "136016.104", 0x00C000, 0x002000, CRC(bf271e5c) SHA1(012edb947f1437932b9283e49d025a7794c45669) )
297 ROM_LOAD16_BYTE( "136016.109", 0x00C001, 0x002000, CRC(d2894424) SHA1(5390025136b677b66d948c8cf6ea5e20203a4bae) )
298 ROM_LOAD16_BYTE( "136016.105", 0x010000, 0x002000, CRC(13ec512c) SHA1(22a0395135b83ba47eacb5129f34fc97aa1b70a1) )
299 ROM_LOAD16_BYTE( "136016.110", 0x010001, 0x002000, CRC(acb50363) SHA1(9efa9ca88efdd2d5e212bd537903892b67b4fe53) )
300 ROM_END
301
302
303 ROM_START( quantum1 )
304 ROM_REGION( 0x014000, REGION_CPU1, 0 )
305 ROM_LOAD16_BYTE( "136016.101", 0x000000, 0x002000, CRC(5af0bd5b) SHA1(f6e46fbebbf52294e78ae240fe2628c6b29b8dea) )
306 ROM_LOAD16_BYTE( "136016.106", 0x000001, 0x002000, CRC(f9724666) SHA1(1bb073135029c92bef9afc9ccd910e0ab3302c8a) )
307 ROM_LOAD16_BYTE( "136016.102", 0x004000, 0x002000, CRC(408d34f4) SHA1(9a30debd1240b9c103134701943c94d6b48b926d) )
308 ROM_LOAD16_BYTE( "136016.107", 0x004001, 0x002000, CRC(63154484) SHA1(c098cdbc339c9ea291c4c4fb203c60b3284e894a) )
309 ROM_LOAD16_BYTE( "136016.103", 0x008000, 0x002000, CRC(948f228b) SHA1(878ac96173a793997cc88be469ec1ccdf833a7e8) )
310 ROM_LOAD16_BYTE( "136016.108", 0x008001, 0x002000, CRC(e4c48e4e) SHA1(caaf9d20741fcb961d590b634250a44a166cc33a) )
311 ROM_LOAD16_BYTE( "136016.104", 0x00C000, 0x002000, CRC(bf271e5c) SHA1(012edb947f1437932b9283e49d025a7794c45669) )
312 ROM_LOAD16_BYTE( "136016.109", 0x00C001, 0x002000, CRC(d2894424) SHA1(5390025136b677b66d948c8cf6ea5e20203a4bae) )
313 ROM_LOAD16_BYTE( "136016.105", 0x010000, 0x002000, CRC(13ec512c) SHA1(22a0395135b83ba47eacb5129f34fc97aa1b70a1) )
314 ROM_LOAD16_BYTE( "136016.110", 0x010001, 0x002000, CRC(acb50363) SHA1(9efa9ca88efdd2d5e212bd537903892b67b4fe53) )
315 ROM_END
316
317
318 ROM_START( quantump )
319 ROM_REGION( 0x014000, REGION_CPU1, 0 )
320 ROM_LOAD16_BYTE( "quantump.2e", 0x000000, 0x002000, CRC(176d73d3) SHA1(b887ee50af5db6f6d43cc6ba57451173f996dedc) )
321 ROM_LOAD16_BYTE( "quantump.3e", 0x000001, 0x002000, CRC(12fc631f) SHA1(327a44da897199536f43e5f792cb4a18d9055ac4) )
322 ROM_LOAD16_BYTE( "quantump.2f", 0x004000, 0x002000, CRC(b64fab48) SHA1(d5a77a367d4f652261c381e6bdd55c2175ace857) )
323 ROM_LOAD16_BYTE( "quantump.3f", 0x004001, 0x002000, CRC(a52a9433) SHA1(33787adb04864efebb04483353bbc96c966ec607) )
324 ROM_LOAD16_BYTE( "quantump.2h", 0x008000, 0x002000, CRC(5b29cba3) SHA1(e83b68907bc397994ed51a39dfa241430a0adb0c) )
325 ROM_LOAD16_BYTE( "quantump.3h", 0x008001, 0x002000, CRC(c64fc03a) SHA1(ab6cd710d01bc85432cc52021f27fd8f2a5e3168) )
326 ROM_LOAD16_BYTE( "quantump.2k", 0x00C000, 0x002000, CRC(854f9c09) SHA1(d908b8c7f6837e511004cbd45a8883c6c7b155dd) )
327 ROM_LOAD16_BYTE( "quantump.3k", 0x00C001, 0x002000, CRC(1aac576c) SHA1(28bdb5fcbd8cccc657d6e00ace3c083c21015564) )
328 ROM_LOAD16_BYTE( "quantump.2l", 0x010000, 0x002000, CRC(1285b5e7) SHA1(0e01e361da2d9cf1fac1896f8f44c4c2e75a3061) )
329 ROM_LOAD16_BYTE( "quantump.3l", 0x010001, 0x002000, CRC(e19de844) SHA1(cb4f9d80807b26d6b95405b2d830799984667f54) )
330 ROM_END
331
332
333
334 /*************************************
335 *
336 * Game driver(s)
337 *
338 *************************************/
339
340 GAME( 1982, quantum, 0, quantum, quantum, 0, ROT270, "Atari", "Quantum (rev 2)" )
341 GAME( 1982, quantum1, quantum, quantum, quantum, 0, ROT270, "Atari", "Quantum (rev 1)" )
342 GAME( 1982, quantump, quantum, quantum, quantum, 0, ROT270, "Atari", "Quantum (prototype)" )
343