trunk/src/mame/drivers/cops.c
| r0 | r18555 | |
| 1 | /*************************************************************************** |
| 2 | |
| 3 | Atari Games Cops |
| 4 | (hardware developed by Nova Productions Limited) |
| 5 | |
| 6 | Preliminary driver by Mariusz Wojcieszek |
| 7 | |
| 8 | ***************************************************************************/ |
| 9 | |
| 10 | |
| 11 | #include "emu.h" |
| 12 | #include "cpu/m6502/m6502.h" |
| 13 | #include "machine/6522via.h" |
| 14 | //#include "machine/6551acia.h" |
| 15 | |
| 16 | #include "cops.lh" |
| 17 | |
| 18 | #define MAIN_CLOCK XTAL_4MHz |
| 19 | |
| 20 | class cops_state : public driver_device |
| 21 | { |
| 22 | public: |
| 23 | cops_state(const machine_config &mconfig, device_type type, const char *tag) |
| 24 | : driver_device(mconfig, type, tag), |
| 25 | m_maincpu(*this, "maincpu"), |
| 26 | m_irq(0) |
| 27 | { } |
| 28 | |
| 29 | // devices |
| 30 | required_device<cpu_device> m_maincpu; |
| 31 | |
| 32 | // screen updates |
| 33 | UINT32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); |
| 34 | |
| 35 | protected: |
| 36 | // driver_device overrides |
| 37 | virtual void machine_start(); |
| 38 | virtual void machine_reset(); |
| 39 | |
| 40 | virtual void video_start(); |
| 41 | |
| 42 | public: |
| 43 | DECLARE_WRITE8_MEMBER(io1_w); |
| 44 | DECLARE_READ8_MEMBER(io1_r); |
| 45 | DECLARE_WRITE8_MEMBER(io2_w); |
| 46 | DECLARE_READ8_MEMBER(io2_r); |
| 47 | DECLARE_WRITE8_MEMBER(via1_irq); |
| 48 | DECLARE_WRITE8_MEMBER(via2_irq); |
| 49 | void dacia_receive(UINT8 data); |
| 50 | void laserdisc_w(UINT8 data); |
| 51 | DECLARE_WRITE8_MEMBER(dacia_w); |
| 52 | DECLARE_READ8_MEMBER(dacia_r); |
| 53 | DECLARE_WRITE8_MEMBER(cdrom_data_w); |
| 54 | DECLARE_WRITE8_MEMBER(cdrom_ctrl_w); |
| 55 | DECLARE_READ8_MEMBER(cdrom_data_r); |
| 56 | |
| 57 | int m_irq; |
| 58 | |
| 59 | UINT8 m_lcd_addr_l, m_lcd_addr_h; |
| 60 | UINT8 m_lcd_data_l, m_lcd_data_h; |
| 61 | |
| 62 | UINT8 m_dacia_receiver_data; |
| 63 | UINT8 m_dacia_receiver_full; |
| 64 | |
| 65 | UINT8 m_cdrom_ctrl; |
| 66 | UINT8 m_cdrom_data; |
| 67 | }; |
| 68 | |
| 69 | void cops_state::video_start() |
| 70 | { |
| 71 | |
| 72 | } |
| 73 | |
| 74 | UINT32 cops_state::screen_update( screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect ) |
| 75 | { |
| 76 | return 0; |
| 77 | } |
| 78 | |
| 79 | /************************************* |
| 80 | * |
| 81 | * Sony CDU33A-02 CDROM |
| 82 | * |
| 83 | *************************************/ |
| 84 | |
| 85 | WRITE8_MEMBER(cops_state::cdrom_data_w) |
| 86 | { |
| 87 | const char *regs[4] = { "CMD", "PARAM", "WRITE", "CTRL" }; |
| 88 | m_cdrom_data = BITSWAP8(data,0,1,2,3,4,5,6,7); |
| 89 | UINT8 reg = ((m_cdrom_ctrl & 4) >> 1) | ((m_cdrom_ctrl & 8) >> 3); |
| 90 | logerror("%s:cdrom_data_w(reg = %s, data = %02x)\n", machine().describe_context(), regs[reg & 0x03], m_cdrom_data); |
| 91 | } |
| 92 | |
| 93 | WRITE8_MEMBER(cops_state::cdrom_ctrl_w) |
| 94 | { |
| 95 | logerror("%s:cdrom_ctrl_w(%02x)\n", machine().describe_context(), data); |
| 96 | m_cdrom_ctrl = data; |
| 97 | } |
| 98 | |
| 99 | READ8_MEMBER(cops_state::cdrom_data_r) |
| 100 | { |
| 101 | logerror("%s:cdrom_data_r\n", machine().describe_context()); |
| 102 | return machine().rand()&0xff; |
| 103 | } |
| 104 | /************************************* |
| 105 | * |
| 106 | * 6552 DACIA & LDP-1450 Laserdisc |
| 107 | * |
| 108 | *************************************/ |
| 109 | |
| 110 | void cops_state::laserdisc_w(UINT8 data) |
| 111 | { |
| 112 | switch( data ) |
| 113 | { |
| 114 | case 0x26: /* Video off */ |
| 115 | dacia_receive(0x0a); |
| 116 | break; |
| 117 | case 0x27: /* Video on */ |
| 118 | dacia_receive(0x0a); |
| 119 | break; |
| 120 | case 0x30: /* Digit */ |
| 121 | case 0x31: |
| 122 | case 0x32: |
| 123 | case 0x33: |
| 124 | case 0x34: |
| 125 | case 0x35: |
| 126 | case 0x36: |
| 127 | case 0x37: |
| 128 | case 0x38: |
| 129 | case 0x39: |
| 130 | dacia_receive(0x0a); |
| 131 | break; |
| 132 | case 0x3f: /* Stop */ |
| 133 | dacia_receive(0x0a); |
| 134 | break; |
| 135 | case 0x40: /* Enter */ |
| 136 | dacia_receive(0x0a); |
| 137 | break; |
| 138 | case 0x43: /* Search */ |
| 139 | dacia_receive(0x0a); |
| 140 | break; |
| 141 | case 0x56: /* C. L. (Reset) */ |
| 142 | dacia_receive(0x0a); |
| 143 | break; |
| 144 | default: |
| 145 | logerror("Laserdisc command %02x\n", data); |
| 146 | break; |
| 147 | } |
| 148 | } |
| 149 | |
| 150 | void cops_state::dacia_receive(UINT8 data) |
| 151 | { |
| 152 | m_dacia_receiver_data = data; |
| 153 | m_dacia_receiver_full = 1; |
| 154 | m_maincpu->set_input_line(INPUT_LINE_NMI, PULSE_LINE); |
| 155 | } |
| 156 | |
| 157 | |
| 158 | READ8_MEMBER(cops_state::dacia_r) |
| 159 | { |
| 160 | switch(offset & 0x07) |
| 161 | { |
| 162 | case 0: /* ISR1: Interrupt Status Register */ |
| 163 | return 0x40 | m_dacia_receiver_full; /* Bit 6: Transmit Data Register Empty (TDRE) */ |
| 164 | case 3: /* RDR1: Receive data register */ |
| 165 | m_dacia_receiver_full = 0; |
| 166 | return m_dacia_receiver_data; |
| 167 | default: |
| 168 | logerror("%s:dacia_r(%02x)\n", machine().describe_context(), offset); |
| 169 | return 0; |
| 170 | } |
| 171 | } |
| 172 | |
| 173 | WRITE8_MEMBER(cops_state::dacia_w) |
| 174 | { |
| 175 | switch(offset & 0x07) |
| 176 | { |
| 177 | case 3: /* Transmit Data Register 1 */ |
| 178 | //logerror("DACIA Transmit: %02x %c\n", data, (char)data); |
| 179 | laserdisc_w(data); |
| 180 | break; |
| 181 | default: |
| 182 | logerror("%s:dacia_w(%02x,%02x)\n", machine().describe_context(), offset, data); |
| 183 | break; |
| 184 | } |
| 185 | } |
| 186 | |
| 187 | /************************************* |
| 188 | * |
| 189 | * I/O |
| 190 | * |
| 191 | *************************************/ |
| 192 | |
| 193 | READ8_MEMBER(cops_state::io1_r) |
| 194 | { |
| 195 | switch( offset & 0x0f ) |
| 196 | { |
| 197 | case 0x08: /* SW0 */ |
| 198 | return ioport("SW0")->read(); |
| 199 | case 0x09: /* SW1 */ |
| 200 | return ioport("SW1")->read(); |
| 201 | case 0x0a: /* SW2 */ |
| 202 | return ioport("SW2")->read(); |
| 203 | default: |
| 204 | logerror("Unknown io1_r, offset = %03x\n", offset); |
| 205 | return 0; |
| 206 | } |
| 207 | return 0; |
| 208 | } |
| 209 | |
| 210 | WRITE8_MEMBER(cops_state::io1_w) |
| 211 | { |
| 212 | int i; |
| 213 | char output_name[16]; |
| 214 | UINT16 display_data; |
| 215 | |
| 216 | switch( offset & 0x0f ) |
| 217 | { |
| 218 | case 0x00: /* WOP0 Alpha display*/ |
| 219 | m_lcd_addr_l = data; |
| 220 | break; |
| 221 | case 0x01: /* WOP1 Alpha display*/ |
| 222 | m_lcd_addr_h = data; |
| 223 | { |
| 224 | // update display |
| 225 | const UINT16 addrs_table[] = { 0x0004, 0x0008, 0x0010, 0x0020, 0x0040, 0x0002, 0x0001, 0x0080, |
| 226 | 0x1000, 0x0800, 0x0400, 0x2000, 0x4000, 0x0200, 0x0100, 0x8000 }; |
| 227 | UINT16 addr = m_lcd_addr_l | (m_lcd_addr_h << 8); |
| 228 | for (i = 0; i < 16; i++ ) |
| 229 | { |
| 230 | if (addr == addrs_table[i]) |
| 231 | { |
| 232 | break; |
| 233 | } |
| 234 | } |
| 235 | |
| 236 | if (i < 16) |
| 237 | { |
| 238 | sprintf(output_name, "digit%d", i); |
| 239 | display_data = m_lcd_data_l | (m_lcd_data_h << 8); |
| 240 | display_data = BITSWAP16(display_data, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0); // todo: |
| 241 | output_set_value(output_name, display_data); |
| 242 | } |
| 243 | } |
| 244 | break; |
| 245 | case 0x02: /* WOP2 Alpha display*/ |
| 246 | m_lcd_data_l = data; |
| 247 | break; |
| 248 | case 0x03: /* WOP3 Alpha display*/ |
| 249 | m_lcd_data_h = data; |
| 250 | break; |
| 251 | case 0x04: /* WOP4 */ |
| 252 | break; |
| 253 | case 0x05: /* WOP5 */ |
| 254 | break; |
| 255 | case 0x06: /* WOP6 */ |
| 256 | break; |
| 257 | case 0x07: /* WOP? */ |
| 258 | break; |
| 259 | case 0x08: /* WOP0 */ |
| 260 | break; |
| 261 | default: |
| 262 | logerror("Unknown io1_w, offset = %03x, data = %02x\n", offset, data); |
| 263 | break; |
| 264 | } |
| 265 | } |
| 266 | |
| 267 | READ8_MEMBER(cops_state::io2_r) |
| 268 | { |
| 269 | return 0; |
| 270 | } |
| 271 | |
| 272 | WRITE8_MEMBER(cops_state::io2_w) |
| 273 | { |
| 274 | } |
| 275 | |
| 276 | /************************************* |
| 277 | * |
| 278 | * VIA 1 (U18) |
| 279 | * PA0-2 Steer |
| 280 | * PA3 ? |
| 281 | * PA4-6 Fade? |
| 282 | * PA7 STK (system rom banking) |
| 283 | * PB0-7 SN76489 data bus |
| 284 | * CA1-2 n.c. |
| 285 | * CB1 /WE SN76489 |
| 286 | * IRQ IRQ |
| 287 | * |
| 288 | *************************************/ |
| 289 | |
| 290 | WRITE8_MEMBER(cops_state::via1_irq) |
| 291 | { |
| 292 | if ( data == ASSERT_LINE ) |
| 293 | { |
| 294 | m_irq |= 1; |
| 295 | } |
| 296 | else |
| 297 | { |
| 298 | m_irq &= ~1; |
| 299 | } |
| 300 | m_maincpu->set_input_line(M6502_IRQ_LINE, m_irq ? ASSERT_LINE : CLEAR_LINE); |
| 301 | } |
| 302 | |
| 303 | static const via6522_interface via_1_interface = |
| 304 | { |
| 305 | DEVCB_NULL, DEVCB_NULL, /*inputs : A/B */ |
| 306 | DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, /*inputs : CA/B1,CA/B2 */ |
| 307 | DEVCB_NULL, DEVCB_NULL, /*outputs: A/B */ |
| 308 | DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, /*outputs: CA/B1,CA/B2 */ |
| 309 | DEVCB_DRIVER_MEMBER(cops_state,via1_irq) /*irq */ |
| 310 | }; |
| 311 | |
| 312 | /************************************* |
| 313 | * |
| 314 | * VIA 2 (U27) |
| 315 | * PA0-7 GUN |
| 316 | * PB0-7 GUN |
| 317 | * IRQ IRQ |
| 318 | * |
| 319 | *************************************/ |
| 320 | |
| 321 | WRITE8_MEMBER(cops_state::via2_irq) |
| 322 | { |
| 323 | if ( data == ASSERT_LINE ) |
| 324 | { |
| 325 | m_irq |= 2; |
| 326 | } |
| 327 | else |
| 328 | { |
| 329 | m_irq &= ~2; |
| 330 | } |
| 331 | m_maincpu->set_input_line(M6502_IRQ_LINE, m_irq ? ASSERT_LINE : CLEAR_LINE); |
| 332 | } |
| 333 | |
| 334 | |
| 335 | static const via6522_interface via_2_interface = |
| 336 | { |
| 337 | DEVCB_NULL, DEVCB_NULL, /*inputs : A/B */ |
| 338 | DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, /*inputs : CA/B1,CA/B2 */ |
| 339 | DEVCB_NULL, DEVCB_NULL, /*outputs: A/B */ |
| 340 | DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, /*outputs: CA/B1,CA/B2 */ |
| 341 | DEVCB_DRIVER_MEMBER(cops_state,via2_irq) /*irq */ |
| 342 | }; |
| 343 | |
| 344 | /************************************* |
| 345 | * |
| 346 | * VIA 3 |
| 347 | * PA0-7 CDROM |
| 348 | * PB0-8 CDROM |
| 349 | * |
| 350 | *************************************/ |
| 351 | |
| 352 | static const via6522_interface via_3_interface = |
| 353 | { |
| 354 | DEVCB_DRIVER_MEMBER(cops_state, cdrom_data_r), DEVCB_NULL, /*inputs : A/B */ |
| 355 | DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, /*inputs : CA/B1,CA/B2 */ |
| 356 | DEVCB_DRIVER_MEMBER(cops_state, cdrom_data_w), DEVCB_DRIVER_MEMBER(cops_state, cdrom_ctrl_w), /*outputs: A/B */ |
| 357 | DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, /*outputs: CA/B1,CA/B2 */ |
| 358 | DEVCB_NULL /*irq */ |
| 359 | }; |
| 360 | |
| 361 | /************************************* |
| 362 | * |
| 363 | * Main CPU memory handlers |
| 364 | * |
| 365 | *************************************/ |
| 366 | |
| 367 | static ADDRESS_MAP_START( cops_map, AS_PROGRAM, 8, cops_state ) |
| 368 | AM_RANGE(0x0000, 0x1fff) AM_RAM |
| 369 | AM_RANGE(0x2000, 0x9fff) AM_ROM AM_REGION("program", 0) |
| 370 | AM_RANGE(0xa000, 0xafff) AM_READWRITE(io1_r, io1_w) |
| 371 | AM_RANGE(0xb000, 0xb00f) AM_DEVREADWRITE("via6522_1", via6522_device, read, write) /* VIA 1 */ |
| 372 | AM_RANGE(0xb800, 0xb80f) AM_DEVREADWRITE("via6522_2", via6522_device, read, write) /* VIA 2 */ |
| 373 | AM_RANGE(0xc000, 0xcfff) AM_READWRITE(io2_r, io2_w) |
| 374 | // AM_RANGE(0xd000, 0xd003) AM_DEVREADWRITE("acia6551_1", acia6551_device, read, write ) |
| 375 | // AM_RANGE(0xd004, 0xd007) AM_DEVREADWRITE("acia6551_2", acia6551_device, read, write ) |
| 376 | AM_RANGE(0xd000, 0xd007) AM_READWRITE(dacia_r, dacia_w) |
| 377 | AM_RANGE(0xd800, 0xd80f) AM_DEVREADWRITE("via6522_3", via6522_device, read, write) /* VIA 3 */ |
| 378 | AM_RANGE(0xe000, 0xffff) AM_ROM AM_REGION("system", 0) |
| 379 | ADDRESS_MAP_END |
| 380 | |
| 381 | |
| 382 | static INPUT_PORTS_START( cops ) |
| 383 | PORT_START("SW0") |
| 384 | PORT_DIPNAME( 0x01, 0x00, "SW0" ) |
| 385 | PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) |
| 386 | PORT_DIPSETTING( 0x01, DEF_STR( On ) ) |
| 387 | PORT_DIPNAME( 0x02, 0x00, DEF_STR( Unknown ) ) |
| 388 | PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) |
| 389 | PORT_DIPSETTING( 0x02, DEF_STR( On ) ) |
| 390 | PORT_DIPNAME( 0x04, 0x00, DEF_STR( Unknown ) ) |
| 391 | PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) |
| 392 | PORT_DIPSETTING( 0x04, DEF_STR( On ) ) |
| 393 | PORT_DIPNAME( 0x08, 0x00, DEF_STR( Unknown ) ) |
| 394 | PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) |
| 395 | PORT_DIPSETTING( 0x08, DEF_STR( On ) ) |
| 396 | PORT_DIPNAME( 0x10, 0x00, DEF_STR( Unknown ) ) |
| 397 | PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) |
| 398 | PORT_DIPSETTING( 0x10, DEF_STR( On ) ) |
| 399 | PORT_DIPNAME( 0x20, 0x00, DEF_STR( Unknown ) ) |
| 400 | PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) |
| 401 | PORT_DIPSETTING( 0x20, DEF_STR( On ) ) |
| 402 | PORT_DIPNAME( 0x40, 0x00, DEF_STR( Unknown ) ) |
| 403 | PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) |
| 404 | PORT_DIPSETTING( 0x40, DEF_STR( On ) ) |
| 405 | PORT_DIPNAME( 0x80, 0x00, DEF_STR( Unknown ) ) |
| 406 | PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) |
| 407 | PORT_DIPSETTING( 0x80, DEF_STR( On ) ) |
| 408 | |
| 409 | PORT_START("SW1") |
| 410 | PORT_DIPNAME( 0x01, 0x00, "SW1" ) |
| 411 | PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) |
| 412 | PORT_DIPSETTING( 0x01, DEF_STR( On ) ) |
| 413 | PORT_DIPNAME( 0x02, 0x00, DEF_STR( Unknown ) ) |
| 414 | PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) |
| 415 | PORT_DIPSETTING( 0x02, DEF_STR( On ) ) |
| 416 | PORT_DIPNAME( 0x04, 0x00, DEF_STR( Unknown ) ) |
| 417 | PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) |
| 418 | PORT_DIPSETTING( 0x04, DEF_STR( On ) ) |
| 419 | PORT_DIPNAME( 0x08, 0x00, DEF_STR( Unknown ) ) |
| 420 | PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) |
| 421 | PORT_DIPSETTING( 0x08, DEF_STR( On ) ) |
| 422 | PORT_DIPNAME( 0x10, 0x00, DEF_STR( Unknown ) ) |
| 423 | PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) |
| 424 | PORT_DIPSETTING( 0x10, DEF_STR( On ) ) |
| 425 | PORT_DIPNAME( 0x20, 0x00, DEF_STR( Unknown ) ) |
| 426 | PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) |
| 427 | PORT_DIPSETTING( 0x20, DEF_STR( On ) ) |
| 428 | PORT_DIPNAME( 0x40, 0x00, DEF_STR( Unknown ) ) |
| 429 | PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) |
| 430 | PORT_DIPSETTING( 0x40, DEF_STR( On ) ) |
| 431 | PORT_DIPNAME( 0x80, 0x00, DEF_STR( Unknown ) ) |
| 432 | PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) |
| 433 | PORT_DIPSETTING( 0x80, DEF_STR( On ) ) |
| 434 | |
| 435 | PORT_START("SW2") |
| 436 | PORT_DIPNAME( 0x01, 0x00, "SW2" ) |
| 437 | PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) |
| 438 | PORT_DIPSETTING( 0x01, DEF_STR( On ) ) |
| 439 | PORT_DIPNAME( 0x02, 0x00, DEF_STR( Unknown ) ) |
| 440 | PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) |
| 441 | PORT_DIPSETTING( 0x02, DEF_STR( On ) ) |
| 442 | PORT_DIPNAME( 0x04, 0x00, DEF_STR( Unknown ) ) |
| 443 | PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) |
| 444 | PORT_DIPSETTING( 0x04, DEF_STR( On ) ) |
| 445 | PORT_DIPNAME( 0x08, 0x00, DEF_STR( Unknown ) ) |
| 446 | PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) |
| 447 | PORT_DIPSETTING( 0x08, DEF_STR( On ) ) |
| 448 | PORT_DIPNAME( 0x10, 0x00, DEF_STR( Unknown ) ) |
| 449 | PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) |
| 450 | PORT_DIPSETTING( 0x10, DEF_STR( On ) ) |
| 451 | PORT_DIPNAME( 0x20, 0x00, DEF_STR( Unknown ) ) |
| 452 | PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) |
| 453 | PORT_DIPSETTING( 0x20, DEF_STR( On ) ) |
| 454 | PORT_DIPNAME( 0x40, 0x00, DEF_STR( Unknown ) ) |
| 455 | PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) |
| 456 | PORT_DIPSETTING( 0x40, DEF_STR( On ) ) |
| 457 | PORT_DIPNAME( 0x80, 0x00, DEF_STR( Unknown ) ) |
| 458 | PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) |
| 459 | PORT_DIPSETTING( 0x80, DEF_STR( On ) ) |
| 460 | INPUT_PORTS_END |
| 461 | |
| 462 | void cops_state::machine_start() |
| 463 | { |
| 464 | } |
| 465 | |
| 466 | void cops_state::machine_reset() |
| 467 | { |
| 468 | m_irq = 0; |
| 469 | m_lcd_addr_l = m_lcd_addr_h = 0; |
| 470 | m_lcd_data_l = m_lcd_data_h = 0; |
| 471 | |
| 472 | m_dacia_receiver_full = 0; |
| 473 | } |
| 474 | |
| 475 | |
| 476 | static PALETTE_INIT( cops ) |
| 477 | { |
| 478 | } |
| 479 | |
| 480 | static MACHINE_CONFIG_START( cops, cops_state ) |
| 481 | |
| 482 | /* basic machine hardware */ |
| 483 | MCFG_CPU_ADD("maincpu",M6502,MAIN_CLOCK/2) |
| 484 | MCFG_CPU_PROGRAM_MAP(cops_map) |
| 485 | |
| 486 | /* video hardware */ |
| 487 | MCFG_SCREEN_ADD("screen", RASTER) |
| 488 | MCFG_SCREEN_REFRESH_RATE(60) |
| 489 | MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0)) |
| 490 | MCFG_SCREEN_UPDATE_DRIVER(cops_state, screen_update) |
| 491 | MCFG_SCREEN_SIZE(32*8, 32*8) |
| 492 | MCFG_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 2*8, 30*8-1) |
| 493 | |
| 494 | MCFG_PALETTE_INIT(cops) |
| 495 | MCFG_PALETTE_LENGTH(8) |
| 496 | |
| 497 | /* via */ |
| 498 | MCFG_VIA6522_ADD("via6522_1", 0, via_1_interface) |
| 499 | MCFG_VIA6522_ADD("via6522_2", 0, via_2_interface) |
| 500 | MCFG_VIA6522_ADD("via6522_3", 0, via_3_interface) |
| 501 | |
| 502 | /* acia */ |
| 503 | // MCFG_ACIA6551_ADD("acia6551_1") |
| 504 | // MCFG_ACIA6551_ADD("acia6551_2") |
| 505 | |
| 506 | /* sound hardware */ |
| 507 | MCFG_SPEAKER_STANDARD_MONO("mono") |
| 508 | MACHINE_CONFIG_END |
| 509 | |
| 510 | |
| 511 | /*************************************************************************** |
| 512 | |
| 513 | Game driver(s) |
| 514 | |
| 515 | ***************************************************************************/ |
| 516 | |
| 517 | ROM_START( cops ) |
| 518 | ROM_REGION( 0x8000, "program", 0 ) |
| 519 | ROM_LOAD( "cops_prg.dat", 0x0000, 0x8000, CRC(a5c02366) SHA1(b135d72fcfe737a113c984b0b8dd78428f248414) ) |
| 520 | |
| 521 | ROM_REGION( 0x8000, "system", 0 ) |
| 522 | ROM_LOAD( "cops_sys.dat", 0x0000, 0x8000, CRC(0060e5d0) SHA1(b8c9f6fde6a315e33fa7946e5d3bb4ea2fbe76a8) ) |
| 523 | ROM_END |
| 524 | |
| 525 | GAMEL( 1994, cops, 0, cops, cops, driver_device, 0, ROT0, "Atari Games", "Cops", GAME_NOT_WORKING | GAME_NO_SOUND, layout_cops ) |