1 /***************************************************************************
2
3 Atari Shuuz hardware
4
5 driver by Aaron Giles
6
7 Games supported:
8 * Shuuz (1990) [2 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 "shuuz.h"
23
24
25
26 /*************************************
27 *
28 * Interrupt handling
29 *
30 *************************************/
31
update_interrupts(void)32 static void update_interrupts(void)
33 {
34 int newstate = 0;
35
36 if (atarigen_scanline_int_state)
37 newstate = 4;
38
39 if (newstate)
40 cpu_set_irq_line(0, newstate, ASSERT_LINE);
41 else
42 cpu_set_irq_line(0, 7, CLEAR_LINE);
43 }
44
45
46
47 /*************************************
48 *
49 * Initialization
50 *
51 *************************************/
52
MACHINE_INIT(shuuz)53 static MACHINE_INIT( shuuz )
54 {
55 atarigen_eeprom_reset();
56 atarivc_reset(atarivc_eof_data, 1);
57 atarigen_interrupt_reset(update_interrupts);
58 }
59
60
WRITE16_HANDLER(latch_w)61 static WRITE16_HANDLER( latch_w )
62 {
63 }
64
65
66
67 /*************************************
68 *
69 * LETA I/O
70 *
71 *************************************/
72
READ16_HANDLER(leta_r)73 static READ16_HANDLER( leta_r )
74 {
75 /* trackball -- rotated 45 degrees? */
76 static int cur[2];
77 int which = offset & 1;
78
79 /* when reading the even ports, do a real analog port update */
80 if (which == 0)
81 {
82 int dx = (INT8)readinputport(2);
83 int dy = (INT8)readinputport(3);
84
85 cur[0] = dx + dy;
86 cur[1] = dx - dy;
87 }
88
89 /* clip the result to -0x3f to +0x3f to remove directional ambiguities */
90 return cur[which];
91 }
92
93
94
95 /*************************************
96 *
97 * MSM5295 I/O
98 *
99 *************************************/
100
READ16_HANDLER(adpcm_r)101 static READ16_HANDLER( adpcm_r )
102 {
103 return OKIM6295_status_0_r(offset) | 0xff00;
104 }
105
106
WRITE16_HANDLER(adpcm_w)107 static WRITE16_HANDLER( adpcm_w )
108 {
109 if (ACCESSING_LSB)
110 OKIM6295_data_0_w(offset, data & 0xff);
111 }
112
113
114
115 /*************************************
116 *
117 * Additional I/O
118 *
119 *************************************/
120
READ16_HANDLER(special_port0_r)121 static READ16_HANDLER( special_port0_r )
122 {
123 int result = readinputport(0);
124
125 if ((result & 0x0800) && atarigen_get_hblank())
126 result &= ~0x0800;
127
128 return result;
129 }
130
131
132
133 /*************************************
134 *
135 * Main CPU memory handlers
136 *
137 *************************************/
138
MEMORY_READ16_START(main_readmem)139 static MEMORY_READ16_START( main_readmem )
140 { 0x000000, 0x03ffff, MRA16_ROM },
141 { 0x100000, 0x100fff, atarigen_eeprom_r },
142 { 0x103000, 0x103003, leta_r },
143 { 0x105000, 0x105001, special_port0_r },
144 { 0x105002, 0x105003, input_port_1_word_r },
145 { 0x106000, 0x106001, adpcm_r },
146 { 0x107000, 0x107007, MRA16_NOP },
147 { 0x3e0000, 0x3e087f, MRA16_RAM },
148 { 0x3effc0, 0x3effff, atarivc_r },
149 { 0x3f4000, 0x3fffff, MRA16_RAM },
150 MEMORY_END
151
152
153 static MEMORY_WRITE16_START( main_writemem )
154 { 0x000000, 0x03ffff, MWA16_ROM },
155 { 0x100000, 0x100fff, atarigen_eeprom_w, &atarigen_eeprom, &atarigen_eeprom_size },
156 { 0x101000, 0x101fff, atarigen_eeprom_enable_w },
157 { 0x102000, 0x102001, watchdog_reset16_w },
158 { 0x105000, 0x105001, latch_w },
159 { 0x106000, 0x106001, adpcm_w },
160 { 0x107000, 0x107007, MWA16_NOP },
161 { 0x3e0000, 0x3e087f, atarigen_666_paletteram_w, &paletteram16 },
162 { 0x3effc0, 0x3effff, atarivc_w, &atarivc_data },
163 { 0x3f4000, 0x3f5eff, atarigen_playfield_latched_msb_w, &atarigen_playfield },
164 { 0x3f5f00, 0x3f5f7f, MWA16_RAM, &atarivc_eof_data },
165 { 0x3f5f80, 0x3f5fff, atarimo_0_slipram_w, &atarimo_0_slipram },
166 { 0x3f6000, 0x3f7fff, atarigen_playfield_upper_w, &atarigen_playfield_upper },
167 { 0x3f8000, 0x3fcfff, MWA16_RAM },
168 { 0x3fd000, 0x3fd3ff, atarimo_0_spriteram_w, &atarimo_0_spriteram },
169 { 0x3fd400, 0x3fffff, MWA16_RAM },
170 MEMORY_END
171
172
173
174 /*************************************
175 *
176 * Port definitions
177 *
178 *************************************/
179
180 INPUT_PORTS_START( shuuz )
181 PORT_START
182 PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_COIN1 )
183 PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_COIN2 )
184 PORT_BIT( 0x07fc, IP_ACTIVE_LOW, IPT_UNUSED )
185 PORT_BIT( 0x0800, IP_ACTIVE_LOW, IPT_VBLANK )
186 PORT_BIT( 0xf000, IP_ACTIVE_LOW, IPT_UNUSED )
187
188 PORT_START
189 PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_BUTTON1 | IPF_PLAYER1 )
190 PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_BUTTON2 | IPF_PLAYER1 )
191 PORT_BIT( 0x07fc, IP_ACTIVE_LOW, IPT_UNUSED )
192 PORT_SERVICE( 0x0800, IP_ACTIVE_LOW )
193 PORT_BIT( 0xf000, IP_ACTIVE_LOW, IPT_UNUSED )
194
195 PORT_START
196 PORT_ANALOG( 0xff, 0, IPT_TRACKBALL_X | IPF_PLAYER1, 50, 30, 0, 0 )
197 PORT_BIT( 0xff00, IP_ACTIVE_LOW, IPT_UNUSED )
198
199 PORT_START
200 PORT_ANALOG( 0xff, 0, IPT_TRACKBALL_Y | IPF_REVERSE | IPF_PLAYER1, 50, 30, 0, 0 )
201 PORT_BIT( 0xff00, IP_ACTIVE_LOW, IPT_UNUSED )
202 INPUT_PORTS_END
203
204
205 INPUT_PORTS_START( shuuz2 )
206 PORT_START
207 PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_COIN1 )
208 PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_COIN2 )
209 PORT_BIT( 0x00fc, IP_ACTIVE_LOW, IPT_UNUSED )
210 PORT_BITX( 0x0100, IP_ACTIVE_LOW, 0, "Step Debug SW", KEYCODE_S, IP_JOY_NONE )
211 PORT_BIT( 0x0600, IP_ACTIVE_LOW, IPT_UNUSED )
212 PORT_BIT( 0x0800, IP_ACTIVE_LOW, IPT_VBLANK )
213 PORT_BITX( 0x1000, IP_ACTIVE_LOW, 0, "Playfield Debug SW", KEYCODE_Y, IP_JOY_NONE )
214 PORT_BITX( 0x2000, IP_ACTIVE_LOW, 0, "Reset Debug SW", KEYCODE_E, IP_JOY_NONE )
215 PORT_BITX( 0x4000, IP_ACTIVE_LOW, 0, "Crosshair Debug SW", KEYCODE_C, IP_JOY_NONE )
216 PORT_BITX( 0x8000, IP_ACTIVE_LOW, 0, "Freeze Debug SW", KEYCODE_F, IP_JOY_NONE )
217
218 PORT_START
219 PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_BUTTON1 | IPF_PLAYER1 )
220 PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_BUTTON2 | IPF_PLAYER1 )
221 PORT_BIT( 0x00fc, IP_ACTIVE_LOW, IPT_UNUSED )
222 PORT_BITX( 0x0100, IP_ACTIVE_LOW, 0, "Replay Debug SW", KEYCODE_R, IP_JOY_NONE )
223 PORT_BIT( 0x0600, IP_ACTIVE_LOW, IPT_UNUSED )
224 PORT_SERVICE( 0x0800, IP_ACTIVE_LOW )
225 PORT_BIT( 0x1000, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT | IPF_PLAYER1 )
226 PORT_BIT( 0x2000, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT | IPF_PLAYER1 )
227 PORT_BIT( 0x4000, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN | IPF_PLAYER1 )
228 PORT_BIT( 0x8000, IP_ACTIVE_LOW, IPT_JOYSTICK_UP | IPF_PLAYER1 )
229
230 PORT_START
231 PORT_ANALOG( 0xff, 0, IPT_TRACKBALL_X | IPF_PLAYER1, 50, 30, 0, 0 )
232 PORT_BIT( 0xff00, IP_ACTIVE_LOW, IPT_UNUSED )
233
234 PORT_START
235 PORT_ANALOG( 0xff, 0, IPT_TRACKBALL_Y | IPF_REVERSE | IPF_PLAYER1, 50, 30, 0, 0 )
236 PORT_BIT( 0xff00, IP_ACTIVE_LOW, IPT_UNUSED )
237 INPUT_PORTS_END
238
239
240
241 /*************************************
242 *
243 * Graphics definitions
244 *
245 *************************************/
246
247 static struct GfxLayout pfmolayout =
248 {
249 8,8,
250 RGN_FRAC(1,2),
251 4,
252 { 0, 4, 0+RGN_FRAC(1,2), 4+RGN_FRAC(1,2) },
253 { 0, 1, 2, 3, 8, 9, 10, 11 },
254 { 0*8, 2*8, 4*8, 6*8, 8*8, 10*8, 12*8, 14*8 },
255 16*8
256 };
257
258
259 static struct GfxDecodeInfo gfxdecodeinfo[] =
260 {
261 { REGION_GFX1, 0, &pfmolayout, 256, 16 }, /* sprites & playfield */
262 { REGION_GFX2, 0, &pfmolayout, 0, 16 }, /* sprites & playfield */
263 { -1 }
264 };
265
266
267
268 /*************************************
269 *
270 * Sound definitions
271 *
272 *************************************/
273
274 static struct OKIM6295interface okim6295_interface =
275 {
276 1,
277 { ATARI_CLOCK_14MHz/16/132 },
278 { REGION_SOUND1 },
279 { 100 }
280 };
281
282
283
284 /*************************************
285 *
286 * Machine driver
287 *
288 *************************************/
289
290 static MACHINE_DRIVER_START( shuuz )
291
292 /* basic machine hardware */
293 MDRV_CPU_ADD(M68000, ATARI_CLOCK_14MHz/2)
MDRV_CPU_MEMORY(main_readmem,main_writemem)294 MDRV_CPU_MEMORY(main_readmem,main_writemem)
295
296 MDRV_FRAMES_PER_SECOND(60)
297 MDRV_VBLANK_DURATION(DEFAULT_REAL_60HZ_VBLANK_DURATION)
298
299 MDRV_MACHINE_INIT(shuuz)
300 MDRV_NVRAM_HANDLER(atarigen)
301
302 /* video hardware */
303 MDRV_VIDEO_ATTRIBUTES(VIDEO_TYPE_RASTER | VIDEO_NEEDS_6BITS_PER_GUN | VIDEO_UPDATE_BEFORE_VBLANK)
304 MDRV_SCREEN_SIZE(42*8, 30*8)
305 MDRV_VISIBLE_AREA(0*8, 42*8-1, 0*8, 30*8-1)
306 MDRV_GFXDECODE(gfxdecodeinfo)
307 MDRV_PALETTE_LENGTH(1024)
308
309 MDRV_VIDEO_START(shuuz)
310 MDRV_VIDEO_UPDATE(shuuz)
311
312 /* sound hardware */
313 MDRV_SOUND_ADD(OKIM6295, okim6295_interface)
314 MACHINE_DRIVER_END
315
316
317
318 /*************************************
319 *
320 * ROM definition(s)
321 *
322 *************************************/
323
324 ROM_START( shuuz )
325 ROM_REGION( 0x40000, REGION_CPU1, 0 ) /* 4*64k for 68000 code */
326 ROM_LOAD16_BYTE( "4010.23p", 0x00000, 0x20000, CRC(1c2459f8) SHA1(4b8daf196e3ba17cf958a3c1af4e4dacfb79b9e7) )
327 ROM_LOAD16_BYTE( "4011.13p", 0x00001, 0x20000, CRC(6db53a85) SHA1(7f9b3ea78fa65221931bfdab1aa5f1913ffed753) )
328
329 ROM_REGION( 0x080000, REGION_GFX1, ROMREGION_DISPOSE | ROMREGION_INVERT )
330 ROM_LOAD( "2030.43x", 0x000000, 0x20000, CRC(8ecf1ed8) SHA1(47143f1eaf43027c5301eb6009d8a56a98328894) )
331 ROM_LOAD( "2032.20x", 0x020000, 0x20000, CRC(5af184e6) SHA1(630969466c606d1f51da81911fb365a4cac4685c) )
332 ROM_LOAD( "2031.87x", 0x040000, 0x20000, CRC(72e9db63) SHA1(be13830b38c2603bbd6b875abdc1675788a60b24) )
333 ROM_LOAD( "2033.65x", 0x060000, 0x20000, CRC(8f552498) SHA1(7fd323f3b30747a8645d7a9676fdf8f973b6632a) )
334
335 ROM_REGION( 0x100000, REGION_GFX2, ROMREGION_DISPOSE | ROMREGION_INVERT )
336 ROM_LOAD( "1020.43u", 0x000000, 0x20000, CRC(d21ad039) SHA1(5389745eff6690c1890f98a9630869b1084fb2f3) )
337 ROM_LOAD( "1022.20u", 0x020000, 0x20000, CRC(0c10bc90) SHA1(11272757ecad42a4fae49046bd1b01d5ff7f7d4f) )
338 ROM_LOAD( "1024.43m", 0x040000, 0x20000, CRC(adb09347) SHA1(5294dfb3d4aa83525795ca03c2f328ab9a666baf) )
339 ROM_LOAD( "1026.20m", 0x060000, 0x20000, CRC(9b20e13d) SHA1(726b6fb548c0906a5baa90b9698f99a6af9ecc36) )
340 ROM_LOAD( "1021.87u", 0x080000, 0x20000, CRC(8388910c) SHA1(62c6b1885bed042ef72fb62464923a33f9b464f1) )
341 ROM_LOAD( "1023.65u", 0x0a0000, 0x20000, CRC(71353112) SHA1(0aab14379e1b562b81cdd52eb209e264a12232c4) )
342 ROM_LOAD( "1025.87m", 0x0c0000, 0x20000, CRC(f7b20a64) SHA1(667c539fa809d3ae4a1c127e2044dd3a4e533266) )
343 ROM_LOAD( "1027.65m", 0x0e0000, 0x20000, CRC(55d54952) SHA1(73e1a388ea48bab567bde8958ee228432ebfbf67) )
344
345 ROM_REGION( 0x40000, REGION_SOUND1, 0 ) /* ADPCM data */
346 ROM_LOAD( "1040.75b", 0x00000, 0x20000, CRC(0896702b) SHA1(d826bb4812d393889584c7c656c317fd5745a05f) )
347 ROM_LOAD( "1041.65b", 0x20000, 0x20000, CRC(b3b07ce9) SHA1(f1128a143b72867c16b9803b0beb0188420cbfb5) )
348 ROM_END
349
350
351 ROM_START( shuuz2 )
352 ROM_REGION( 0x40000, REGION_CPU1, 0 ) /* 4*64k for 68000 code */
353 ROM_LOAD16_BYTE( "23p.rom", 0x00000, 0x20000, CRC(98aec4e7) SHA1(8cbe6e7835ecf0ef74a2de723ef970a63d3bddd1) )
354 ROM_LOAD16_BYTE( "13p.rom", 0x00001, 0x20000, CRC(dd9d5d5c) SHA1(0bde6be55532c232b1d27824c2ce61f33501cbb0) )
355
356 ROM_REGION( 0x080000, REGION_GFX1, ROMREGION_DISPOSE | ROMREGION_INVERT )
357 ROM_LOAD( "2030.43x", 0x000000, 0x20000, CRC(8ecf1ed8) SHA1(47143f1eaf43027c5301eb6009d8a56a98328894) )
358 ROM_LOAD( "2032.20x", 0x020000, 0x20000, CRC(5af184e6) SHA1(630969466c606d1f51da81911fb365a4cac4685c) )
359 ROM_LOAD( "2031.87x", 0x040000, 0x20000, CRC(72e9db63) SHA1(be13830b38c2603bbd6b875abdc1675788a60b24) )
360 ROM_LOAD( "2033.65x", 0x060000, 0x20000, CRC(8f552498) SHA1(7fd323f3b30747a8645d7a9676fdf8f973b6632a) )
361
362 ROM_REGION( 0x100000, REGION_GFX2, ROMREGION_DISPOSE | ROMREGION_INVERT )
363 ROM_LOAD( "1020.43u", 0x000000, 0x20000, CRC(d21ad039) SHA1(5389745eff6690c1890f98a9630869b1084fb2f3) )
364 ROM_LOAD( "1022.20u", 0x020000, 0x20000, CRC(0c10bc90) SHA1(11272757ecad42a4fae49046bd1b01d5ff7f7d4f) )
365 ROM_LOAD( "1024.43m", 0x040000, 0x20000, CRC(adb09347) SHA1(5294dfb3d4aa83525795ca03c2f328ab9a666baf) )
366 ROM_LOAD( "1026.20m", 0x060000, 0x20000, CRC(9b20e13d) SHA1(726b6fb548c0906a5baa90b9698f99a6af9ecc36) )
367 ROM_LOAD( "1021.87u", 0x080000, 0x20000, CRC(8388910c) SHA1(62c6b1885bed042ef72fb62464923a33f9b464f1) )
368 ROM_LOAD( "1023.65u", 0x0a0000, 0x20000, CRC(71353112) SHA1(0aab14379e1b562b81cdd52eb209e264a12232c4) )
369 ROM_LOAD( "1025.87m", 0x0c0000, 0x20000, CRC(f7b20a64) SHA1(667c539fa809d3ae4a1c127e2044dd3a4e533266) )
370 ROM_LOAD( "1027.65m", 0x0e0000, 0x20000, CRC(55d54952) SHA1(73e1a388ea48bab567bde8958ee228432ebfbf67) )
371
372 ROM_REGION( 0x40000, REGION_SOUND1, 0 ) /* ADPCM data */
373 ROM_LOAD( "1040.75b", 0x00000, 0x20000, CRC(0896702b) SHA1(d826bb4812d393889584c7c656c317fd5745a05f) )
374 ROM_LOAD( "1041.65b", 0x20000, 0x20000, CRC(b3b07ce9) SHA1(f1128a143b72867c16b9803b0beb0188420cbfb5) )
375 ROM_END
376
377
378
379 /*************************************
380 *
381 * Driver init
382 *
383 *************************************/
384
385 static DRIVER_INIT( shuuz )
386 {
387 atarigen_eeprom_default = NULL;
388 }
389
390
391
392 /*************************************
393 *
394 * Game driver(s)
395 *
396 *************************************/
397
398 GAME( 1990, shuuz, 0, shuuz, shuuz, shuuz, ROT0, "Atari Games", "Shuuz (version 8.0)" )
399 GAME( 1990, shuuz2, shuuz, shuuz, shuuz2, shuuz, ROT0, "Atari Games", "Shuuz (version 7.1)" )
400