1 /***************************************************************************
2
3 Centuri Aztarac hardware
4
5 driver by Mathis Rosenhauer
6 Thanks to David Fish for additional hardware information.
7
8 Games supported:
9 * Aztarac
10
11 Known bugs:
12 * none at this time
13
14 ***************************************************************************/
15
16 #include "driver.h"
17 #include "vidhrdw/vector.h"
18 #include "aztarac.h"
19
20
21
22 /*************************************
23 *
24 * Machine init
25 *
26 *************************************/
27
aztarac_irq_callback(int irqline)28 static int aztarac_irq_callback(int irqline)
29 {
30 return 0xc;
31 }
32
33
MACHINE_INIT(aztarac)34 static MACHINE_INIT( aztarac )
35 {
36 cpu_set_irq_callback(0, aztarac_irq_callback);
37 }
38
39
40
41 /*************************************
42 *
43 * NVRAM handler
44 *
45 *************************************/
46
READ16_HANDLER(nvram_r)47 static READ16_HANDLER( nvram_r )
48 {
49 return ((data16_t *)generic_nvram)[offset] | 0xfff0;
50 }
51
52
53
54 /*************************************
55 *
56 * Input ports
57 *
58 *************************************/
59
READ16_HANDLER(joystick_r)60 static READ16_HANDLER( joystick_r )
61 {
62 return (((input_port_0_r (offset) - 0xf) << 8) |
63 ((input_port_1_r (offset) - 0xf) & 0xff));
64 }
65
66
67
68 /*************************************
69 *
70 * Main CPU memory handlers
71 *
72 *************************************/
73
MEMORY_READ16_START(readmem)74 static MEMORY_READ16_START( readmem )
75 { 0x000000, 0x00bfff, MRA16_ROM },
76 { 0x022000, 0x022fff, nvram_r },
77 { 0x027000, 0x027001, joystick_r },
78 { 0x027004, 0x027005, input_port_3_word_r },
79 { 0x027008, 0x027009, aztarac_sound_r },
80 { 0x02700c, 0x02700d, input_port_2_word_r },
81 { 0x02700e, 0x02700f, watchdog_reset16_r },
82 { 0xff8000, 0xffafff, MRA16_RAM },
83 { 0xffe000, 0xffffff, MRA16_RAM },
84 MEMORY_END
85
86
87 static MEMORY_WRITE16_START( writemem )
88 { 0x000000, 0x00bfff, MWA16_ROM },
89 { 0x022000, 0x0220ff, MWA16_RAM, (data16_t **)&generic_nvram, &generic_nvram_size },
90 { 0x027008, 0x027009, aztarac_sound_w },
91 { 0xff8000, 0xffafff, MWA16_RAM, &aztarac_vectorram },
92 { 0xffb000, 0xffb001, aztarac_ubr_w },
93 { 0xffe000, 0xffffff, MWA16_RAM },
94 MEMORY_END
95
96
97
98 /*************************************
99 *
100 * Sound CPU memory handlers
101 *
102 *************************************/
103
104 static MEMORY_READ_START( sound_readmem )
105 { 0x0000, 0x1fff, MRA_ROM },
106 { 0x8000, 0x87ff, MRA_RAM },
107 { 0x8800, 0x8800, aztarac_snd_command_r },
108 { 0x8c00, 0x8c01, AY8910_read_port_0_r },
109 { 0x8c02, 0x8c03, AY8910_read_port_1_r },
110 { 0x8c04, 0x8c05, AY8910_read_port_2_r },
111 { 0x8c06, 0x8c07, AY8910_read_port_3_r },
112 { 0x9000, 0x9000, aztarac_snd_status_r },
113 MEMORY_END
114
115
116 static MEMORY_WRITE_START( sound_writemem )
117 { 0x0000, 0x1fff, MWA_ROM },
118 { 0x8000, 0x87ff, MWA_RAM },
119 { 0x8c00, 0x8c00, AY8910_write_port_0_w },
120 { 0x8c01, 0x8c01, AY8910_control_port_0_w },
121 { 0x8c02, 0x8c02, AY8910_write_port_1_w },
122 { 0x8c03, 0x8c03, AY8910_control_port_1_w },
123 { 0x8c04, 0x8c04, AY8910_write_port_2_w },
124 { 0x8c05, 0x8c05, AY8910_control_port_2_w },
125 { 0x8c06, 0x8c06, AY8910_write_port_3_w },
126 { 0x8c07, 0x8c07, AY8910_control_port_3_w },
127 { 0x9000, 0x9000, aztarac_snd_status_w },
128 MEMORY_END
129
130
131
132 /*************************************
133 *
134 * Port definitions
135 *
136 *************************************/
137
138 INPUT_PORTS_START( aztarac )
139 PORT_START /* IN0 */
140 PORT_ANALOG( 0x1f, 0xf, IPT_AD_STICK_Z | IPF_CENTER, 100, 1, 0, 0x1e )
141
142 PORT_START /* IN1 */
143 PORT_ANALOG( 0x1f, 0xf, IPT_AD_STICK_Y | IPF_CENTER | IPF_REVERSE, 100, 1, 0, 0x1e )
144
145 PORT_START /* IN2 */
146 PORT_ANALOGX( 0xff, 0x00, IPT_DIAL | IPF_REVERSE, 25, 10, 0, 0, KEYCODE_Z, KEYCODE_X, IP_JOY_NONE, IP_JOY_NONE )
147
148 PORT_START /* IN3 */
149 PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON1 )
150 PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON2 )
151 PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_START1 )
152 PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_START2 )
153 PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_COIN1 )
154 PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNKNOWN )
155 PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN )
156 PORT_BITX(0x80, IP_ACTIVE_LOW, IPT_SERVICE, DEF_STR( Service_Mode ), KEYCODE_F2, IP_JOY_NONE )
157 INPUT_PORTS_END
158
159
160
161 /*************************************
162 *
163 * Sound interfaces
164 *
165 *************************************/
166
167 static struct AY8910interface ay8910_interface =
168 {
169 4, /* 4 chips */
170 2000000, /* 2 MHz */
171 { 15, 15, 15, 15 },
172 { 0, 0, 0, 0 },
173 { 0, 0, 0, 0 },
174 { 0, 0, 0, 0 },
175 { 0, 0, 0, 0 }
176 };
177
178
179
180 /*************************************
181 *
182 * Machine drivers
183 *
184 *************************************/
185
186 static MACHINE_DRIVER_START( aztarac )
187
188 /* basic machine hardware */
189 MDRV_CPU_ADD(M68000, 8000000)
190 MDRV_CPU_MEMORY(readmem,writemem)
191 MDRV_CPU_VBLANK_INT(irq4_line_hold,1)
192
193 MDRV_CPU_ADD(Z80, 2000000)
194 MDRV_CPU_FLAGS(CPU_AUDIO_CPU)
195 MDRV_CPU_MEMORY(sound_readmem,sound_writemem)
196 MDRV_CPU_PERIODIC_INT(aztarac_snd_timed_irq,100)
197
198 MDRV_FRAMES_PER_SECOND(40)
199 MDRV_MACHINE_INIT(aztarac)
200 MDRV_NVRAM_HANDLER(generic_1fill)
201
202 /* video hardware */
203 MDRV_VIDEO_ATTRIBUTES(VIDEO_TYPE_VECTOR | VIDEO_RGB_DIRECT)
204 MDRV_SCREEN_SIZE(400, 300)
205 MDRV_VISIBLE_AREA(0, 1024-1, 0, 768-1)
206 MDRV_PALETTE_LENGTH(32768)
207
208 MDRV_VIDEO_START(aztarac)
209 MDRV_VIDEO_UPDATE(vector)
210
211 /* sound hardware */
212 MDRV_SOUND_ADD(AY8910, ay8910_interface)
213 MACHINE_DRIVER_END
214
215
216
217 /*************************************
218 *
219 * ROM definitions
220 *
221 *************************************/
222
223 ROM_START( aztarac )
224 ROM_REGION( 0xc000, REGION_CPU1, 0 )
225 ROM_LOAD16_BYTE( "l8_6.bin", 0x000000, 0x001000, CRC(25f8da18) SHA1(e8179ba3683e39c8225b549ead74c8af2d0a0b3e) )
226 ROM_LOAD16_BYTE( "n8_0.bin", 0x000001, 0x001000, CRC(04e20626) SHA1(2b6a04992037257830df2c01a6da748fb4449f79) )
227 ROM_LOAD16_BYTE( "l7_7.bin", 0x002000, 0x001000, CRC(230e244c) SHA1(42283a368144acf2aad2ef390e312e0951c3ea64) )
228 ROM_LOAD16_BYTE( "n7_1.bin", 0x002001, 0x001000, CRC(37b12697) SHA1(da288b077902e3205600a021c3fac5730f9fb832) )
229 ROM_LOAD16_BYTE( "l6_8.bin", 0x004000, 0x001000, CRC(1293fb9d) SHA1(5a8d512372fd38f1a55f990f5c3eb51833c463d8) )
230 ROM_LOAD16_BYTE( "n6_2.bin", 0x004001, 0x001000, CRC(712c206a) SHA1(eb29f161189c14d84896502940e3ab6cc3bd1cd0) )
231 ROM_LOAD16_BYTE( "l5_9.bin", 0x006000, 0x001000, CRC(743a6501) SHA1(da83a8f756466bcd94d4b0cc28a1a1858e9532f3) )
232 ROM_LOAD16_BYTE( "n5_3.bin", 0x006001, 0x001000, CRC(a65cbf99) SHA1(dd06f98c0989604bd4ac6317e545e1fcf6722e75) )
233 ROM_LOAD16_BYTE( "l4_a.bin", 0x008000, 0x001000, CRC(9cf1b0a1) SHA1(dd644026f49d8430c0b4cf4c750dc33c013c19fc) )
234 ROM_LOAD16_BYTE( "n4_4.bin", 0x008001, 0x001000, CRC(5f0080d5) SHA1(fb1303f9a02067faea2ac4d523051c416de9cf35) )
235 ROM_LOAD16_BYTE( "l3_b.bin", 0x00a000, 0x001000, CRC(8cc7f7fa) SHA1(fefb9a4fdd63878bc5d8138e3e8456cb6638425a) )
236 ROM_LOAD16_BYTE( "n3_5.bin", 0x00a001, 0x001000, CRC(40452376) SHA1(1d058b7ecd2bbff3393950aab9215b262908475b) )
237
238 ROM_REGION( 0x10000, REGION_CPU2, 0 )
239 ROM_LOAD( "j4_c.bin", 0x0000, 0x1000, CRC(e897dfcd) SHA1(750df3d08512d8098a13ec62677831efa164c126) )
240 ROM_LOAD( "j3_d.bin", 0x1000, 0x1000, CRC(4016de77) SHA1(7232ec003f1b9d3623d762f3270108a1d1837846) )
241 ROM_END
242
243
244
245 /*************************************
246 *
247 * Game drivers
248 *
249 *************************************/
250
251 GAME( 1983, aztarac, 0, aztarac, aztarac, 0, ROT0, "Centuri", "Aztarac" )
252