1 /***************************************************************************
2
3 Atari Boxer (prototype) driver
4
5 AKA Boxing, both game titles appear in the schematics
6
7 This game had some weird controls that don't work well in MAME.
8
9 ***************************************************************************/
10
11 #include "driver.h"
12
13 extern UINT8* boxer_tile_ram;
14 extern UINT8* boxer_sprite_ram;
15
16 extern VIDEO_UPDATE( boxer );
17
18 static UINT8 pot_state;
19 static UINT8 pot_latch;
20
21
pot_interrupt(int mask)22 static void pot_interrupt(int mask)
23 {
24 if (pot_latch & mask)
25 {
26 cpu_set_nmi_line(0, ASSERT_LINE);
27 }
28
29 pot_state |= mask;
30 }
31
32
periodic_callback(int scanline)33 static void periodic_callback(int scanline)
34 {
35 cpu_set_irq_line(0, 0, ASSERT_LINE);
36
37 if (scanline == 0)
38 {
39 UINT8 mask[256];
40
41 int i;
42
43 memset(mask, 0, sizeof mask);
44
45 mask[readinputport(3)] |= 0x01;
46 mask[readinputport(4)] |= 0x02;
47 mask[readinputport(5)] |= 0x04;
48 mask[readinputport(6)] |= 0x08;
49 mask[readinputport(7)] |= 0x10;
50 mask[readinputport(8)] |= 0x20;
51
52 for (i = 1; i < 256; i++)
53 {
54 if (mask[i] != 0)
55 {
56 timer_set(cpu_getscanlinetime(i), mask[i], pot_interrupt);
57 }
58 }
59
60 pot_state = 0;
61 }
62
63 scanline += 64;
64
65 if (scanline >= 262)
66 {
67 scanline = 0;
68 }
69
70 timer_set(cpu_getscanlinetime(scanline), scanline, periodic_callback);
71 }
72
73
PALETTE_INIT(boxer)74 static PALETTE_INIT( boxer )
75 {
76 palette_set_color(0, 0x00, 0x00, 0x00);
77 palette_set_color(1, 0xff, 0xff, 0xff);
78
79 colortable[0] = 0;
80 colortable[1] = 1;
81 colortable[2] = 1;
82 colortable[3] = 0;
83 }
84
85
MACHINE_INIT(boxer)86 static MACHINE_INIT( boxer )
87 {
88 timer_set(cpu_getscanlinetime(0), 0, periodic_callback);
89
90 pot_latch = 0;
91 }
92
93
READ_HANDLER(boxer_input_r)94 static READ_HANDLER( boxer_input_r )
95 {
96 UINT8 val = readinputport(0);
97
98 if (readinputport(9) < cpu_getscanline())
99 {
100 val |= 0x02;
101 }
102
103 return (val << ((offset & 7) ^ 7)) & 0x80;
104 }
105
106
READ_HANDLER(boxer_misc_r)107 static READ_HANDLER( boxer_misc_r )
108 {
109 UINT8 val = 0;
110
111 switch (offset & 3)
112 {
113 case 0:
114 val = pot_state & pot_latch;
115 break;
116
117 case 1:
118 val = cpu_getscanline();
119 break;
120
121 case 2:
122 val = readinputport(1);
123 break;
124
125 case 3:
126 val = readinputport(2);
127 break;
128 }
129
130 return val ^ 0x3f;
131 }
132
133
READ_HANDLER(boxer_bad_address_r)134 static READ_HANDLER( boxer_bad_address_r )
135 {
136 cpu_set_reset_line(0, PULSE_LINE);
137
138 return 0;
139 }
140
141
WRITE_HANDLER(boxer_bell_w)142 static WRITE_HANDLER( boxer_bell_w )
143 {
144 }
145
146
WRITE_HANDLER(boxer_sound_w)147 static WRITE_HANDLER( boxer_sound_w )
148 {
149 }
150
151
WRITE_HANDLER(boxer_pot_w)152 static WRITE_HANDLER( boxer_pot_w )
153 {
154 /* BIT0 => HPOT1 */
155 /* BIT1 => VPOT1 */
156 /* BIT2 => RPOT1 */
157 /* BIT3 => HPOT2 */
158 /* BIT4 => VPOT2 */
159 /* BIT5 => RPOT2 */
160
161 pot_latch = data & 0x3f;
162
163 cpu_set_nmi_line(0, CLEAR_LINE);
164 }
165
166
WRITE_HANDLER(boxer_irq_reset_w)167 static WRITE_HANDLER( boxer_irq_reset_w )
168 {
169 cpu_set_irq_line(0, 0, CLEAR_LINE);
170 }
171
172
WRITE_HANDLER(boxer_crowd_w)173 static WRITE_HANDLER( boxer_crowd_w )
174 {
175 /* BIT0 => ATTRACT */
176 /* BIT1 => CROWD-1 */
177 /* BIT2 => CROWD-2 */
178 /* BIT3 => CROWD-3 */
179
180 coin_lockout_global_w(data & 1);
181 }
182
183
WRITE_HANDLER(boxer_led_w)184 static WRITE_HANDLER( boxer_led_w )
185 {
186 set_led_status(1, !(data & 1));
187 set_led_status(0, !(data & 2));
188 }
189
190
WRITE_HANDLER(boxer_bad_address_w)191 static WRITE_HANDLER( boxer_bad_address_w )
192 {
193 cpu_set_reset_line(0, PULSE_LINE);
194 }
195
196
MEMORY_READ_START(boxer_readmem)197 static MEMORY_READ_START( boxer_readmem )
198 { 0x0000, 0x01ff, MRA_RAM },
199 { 0x0200, 0x03ff, MRA_RAM },
200 { 0x0800, 0x08ff, boxer_input_r },
201 { 0x1000, 0x17ff, boxer_misc_r },
202 { 0x3000, 0x3fff, MRA_ROM },
203 { 0x4000, 0xbfff, boxer_bad_address_r },
204 { 0xf000, 0xffff, MRA_ROM },
205 MEMORY_END
206
207
208 static MEMORY_WRITE_START( boxer_writemem )
209 { 0x0000, 0x01ff, MWA_RAM },
210 { 0x0200, 0x03ff, MWA_RAM, &boxer_tile_ram },
211 { 0x1800, 0x1800, boxer_pot_w },
212 { 0x1900, 0x19ff, boxer_led_w },
213 { 0x1a00, 0x1aff, boxer_sound_w },
214 { 0x1b00, 0x1bff, boxer_crowd_w },
215 { 0x1c00, 0x1cff, boxer_irq_reset_w },
216 { 0x1d00, 0x1dff, boxer_bell_w },
217 { 0x1e00, 0x1eff, MWA_RAM, &boxer_sprite_ram },
218 { 0x1f00, 0x1fff, watchdog_reset_w },
219 { 0x3000, 0x3fff, MWA_ROM },
220 { 0x4000, 0xbfff, boxer_bad_address_w },
221 { 0xf000, 0xffff, MWA_ROM },
222 MEMORY_END
223
224
225 INPUT_PORTS_START( boxer )
226
227 PORT_START
228 PORT_BIT ( 0x01, IP_ACTIVE_HIGH, IPT_UNUSED )
229 PORT_BIT ( 0x02, IP_ACTIVE_HIGH, IPT_UNUSED ) /* TIMER */
230 PORT_BIT ( 0x04, IP_ACTIVE_LOW, IPT_TILT )
231 PORT_SERVICE( 0x08, IP_ACTIVE_HIGH )
232 PORT_BIT ( 0x10, IP_ACTIVE_HIGH, IPT_START1 )
233 PORT_BIT ( 0x20, IP_ACTIVE_HIGH, IPT_START2 )
234 PORT_BIT ( 0x40, IP_ACTIVE_LOW, IPT_COIN1 )
235 PORT_BIT ( 0x80, IP_ACTIVE_LOW, IPT_COIN2 )
236
237 PORT_START
238 PORT_DIPNAME( 0x03, 0x01, "Number of Rounds" )
239 PORT_DIPSETTING( 0x03, "1" )
240 PORT_DIPSETTING( 0x02, "2" )
241 PORT_DIPSETTING( 0x01, "3" )
242 PORT_DIPSETTING( 0x00, "4" )
243
244 PORT_START
245 PORT_DIPNAME( 0x03, 0x01, DEF_STR( Coinage ) )
246 PORT_DIPSETTING( 0x00, DEF_STR( 2C_1C ) )
247 PORT_DIPSETTING( 0x01, DEF_STR( 1C_1C ) )
248 PORT_DIPSETTING( 0x02, DEF_STR( 1C_2C ) )
249 PORT_DIPSETTING( 0x03, DEF_STR( Free_Play ) )
250
251 PORT_START
252 PORT_ANALOG ( 0xff, 0x80, IPT_AD_STICK_X | IPF_REVERSE | IPF_PLAYER1, 30, 16, 0x20, 0xe0)
253
254 PORT_START
255 PORT_ANALOG ( 0xff, 0x80, IPT_AD_STICK_Y | IPF_REVERSE | IPF_PLAYER1, 30, 16, 0x20, 0xe0)
256
257 PORT_START
258 PORT_ANALOGX( 0xff, 0x80, IPT_PADDLE | IPF_PLAYER1, 30, 16, 0x20, 0xe0, KEYCODE_Z, KEYCODE_X, IP_JOY_NONE, IP_JOY_NONE )
259
260 PORT_START
261 PORT_ANALOG ( 0xff, 0x80, IPT_AD_STICK_X | IPF_REVERSE | IPF_PLAYER2, 30, 16, 0x20, 0xe0)
262
263 PORT_START
264 PORT_ANALOG ( 0xff, 0x80, IPT_AD_STICK_Y | IPF_REVERSE | IPF_PLAYER2, 30, 16, 0x20, 0xe0)
265
266 PORT_START
267 PORT_ANALOGX( 0xff, 0x80, IPT_PADDLE | IPF_PLAYER2, 30, 16, 0x20, 0xe0, KEYCODE_Q, KEYCODE_W, IP_JOY_NONE, IP_JOY_NONE )
268
269 PORT_START
270 PORT_DIPNAME( 0xff, 0x5C, "Round Time" ) /* actually a potentiometer */
271 PORT_DIPSETTING( 0x3C, "15 seconds" )
272 PORT_DIPSETTING( 0x5C, "30 seconds" )
273 PORT_DIPSETTING( 0x7C, "45 seconds" )
274
275 INPUT_PORTS_END
276
277
278 static struct GfxLayout tile_layout =
279 {
280 8, 8,
281 64,
282 1,
283 { 0 },
284 {
285 0x7, 0x6, 0x5, 0x4, 0xf, 0xe, 0xd, 0xc
286 },
287 {
288 0x00, 0x10, 0x20, 0x30, 0x40, 0x50, 0x60, 0x70
289 },
290 0x80
291 };
292
293
294 static struct GfxLayout sprite_layout =
295 {
296 8, 8,
297 64,
298 1,
299 { 0 },
300 {
301 0x4, 0x5, 0x6, 0x7, 0xc, 0xd, 0xe, 0xf
302 },
303 {
304 0x00, 0x10, 0x20, 0x30, 0x40, 0x50, 0x60, 0x70
305 },
306 0x80
307 };
308
309
310 static struct GfxDecodeInfo gfxdecodeinfo[] =
311 {
312 { REGION_GFX1, 0, &sprite_layout, 0, 1 },
313 { REGION_GFX2, 0, &sprite_layout, 0, 1 },
314 { REGION_GFX3, 0, &tile_layout, 2, 1 },
315 { -1 } /* end of array */
316 };
317
318
319 static MACHINE_DRIVER_START(boxer)
320
321 /* basic machine hardware */
322 MDRV_CPU_ADD(M6502, 12096000 / 16)
323 MDRV_CPU_MEMORY(boxer_readmem, boxer_writemem)
324
325 MDRV_FRAMES_PER_SECOND(60)
326
327 /* video hardware */
328 MDRV_MACHINE_INIT(boxer)
329
330 MDRV_VIDEO_ATTRIBUTES(VIDEO_TYPE_RASTER)
331 MDRV_SCREEN_SIZE(256, 262)
332 MDRV_VISIBLE_AREA(8, 247, 0, 239)
333 MDRV_GFXDECODE(gfxdecodeinfo)
334 MDRV_PALETTE_LENGTH(2)
335 MDRV_COLORTABLE_LENGTH(4)
336 MDRV_PALETTE_INIT(boxer)
337 MDRV_VIDEO_UPDATE(boxer)
338
339 /* sound hardware */
340 MACHINE_DRIVER_END
341
342
343 ROM_START( boxer )
344
345 ROM_REGION( 0x10000, REGION_CPU1, 0 )
346 ROM_LOAD_NIB_LOW ( "3400l.e1", 0x3400, 0x0400, CRC(df85afa4) SHA1(5a74a08f1e0b0bbec02999d5e46513d8afd333ac) )
347 ROM_RELOAD ( 0xF400, 0x0400 )
348 ROM_LOAD_NIB_HIGH( "3400m.a1", 0x3400, 0x0400, CRC(23fe06aa) SHA1(03a4eedbf60f07d1dd8d7af576828df5f032146e) )
349 ROM_RELOAD ( 0xF400, 0x0400 )
350 ROM_LOAD_NIB_LOW ( "3800l.j1", 0x3800, 0x0400, CRC(087263fb) SHA1(cc3715a68bd05f23b4abf9f18ca14a8fe55163f7) )
351 ROM_RELOAD ( 0xF800, 0x0400 )
352 ROM_LOAD_NIB_HIGH( "3800m.d1", 0x3800, 0x0400, CRC(3bbf605e) SHA1(be4ff1702eb837710421a7dafcdc60fe2d3259e8) )
353 ROM_RELOAD ( 0xF800, 0x0400 )
354 ROM_LOAD_NIB_LOW ( "3c00l.h1", 0x3C00, 0x0400, CRC(09e204f2) SHA1(565d4c8865da7d96a45e909973d570101de61f63) )
355 ROM_RELOAD ( 0xFC00, 0x0400 )
356 ROM_LOAD_NIB_HIGH( "3c00m.c1", 0x3C00, 0x0400, CRC(2f8ebc85) SHA1(05a4e29ec7e49173200d5fe5344274fd6afd16d7) )
357 ROM_RELOAD ( 0xFC00, 0x0400 )
358
359 ROM_REGION( 0x0400, REGION_GFX1, ROMREGION_DISPOSE ) /* lower boxer */
360 ROM_LOAD( "bx137l.c8", 0x0000, 0x0400, CRC(e91f2048) SHA1(64039d07557e210aa4f6663cd7e72814cb881310) )
361
362 ROM_REGION( 0x0400, REGION_GFX2, ROMREGION_DISPOSE ) /* upper boxer */
363 ROM_LOAD( "bx137u.m8", 0x0000, 0x0400, CRC(e4fee386) SHA1(79b70aca4a92c56363689a363b643d46294d3e88) )
364
365 ROM_REGION( 0x0400, REGION_GFX3, ROMREGION_DISPOSE ) /* tiles */
366 ROM_LOAD( "9417.k2", 0x0000, 0x0400, CRC(7e3d22cf) SHA1(92e6bbe049dc8fcd674f2ff96cde3786f714508d) )
367
368 ROM_REGION( 0x0200, REGION_USER1, 0 ) /* lower boxer map */
369 ROM_LOAD( "bx115l.b7", 0x0000, 0x0200, CRC(31f2234f) SHA1(d53f3a1d0db3cf3024de61ef64f76c6dfdf6861c) )
370
371 ROM_REGION( 0x0200, REGION_USER2, 0 ) /* upper boxer map */
372 ROM_LOAD( "bx115u.l7", 0x0000, 0x0200, CRC(124d3f24) SHA1(09fab2ae218b8584c0e3c8e02f5680ce083a33d6) )
373
374 ROM_REGION( 0x0100, REGION_PROMS, 0 ) /* sync prom */
375 ROM_LOAD( "9402.m3", 0x0000, 0x0100, CRC(00e224a0) SHA1(1a384ef488791c62566c91b18d6a1fb4a5def2ba) )
376 ROM_END
377
378
379 GAMEX( 1978, boxer, 0, boxer, boxer, 0, 0, "Atari", "Boxer (prototype)", GAME_NO_SOUND )
380