src/mess/drivers/victor9k.c
| r7450 | r7451 | |
| 26 | 26 | |
| 27 | 27 | static ADDRESS_MAP_START( victor9k_mem, ADDRESS_SPACE_PROGRAM, 8 )
|
| 28 | 28 | AM_RANGE(0x00000, 0x1ffff) AM_RAM
|
| 29 | | /* AM_RANGE(0xe0000, 0xe0001) AM_DEVREADWRITE(I8259A_TAG, pic8259_r, pic8259_w)
|
| 29 | AM_RANGE(0xe0000, 0xe0001) AM_DEVREADWRITE(I8259A_TAG, pic8259_r, pic8259_w)
|
| 30 | 30 | AM_RANGE(0xe0020, 0xe0023) AM_DEVREADWRITE(I8253_TAG, pit8253_r, pit8253_w)
|
| 31 | | AM_RANGE(0xe0040, 0xe0043) AM_DEVREADWRITE(UPD7201_TAG, upd7201_cd_ba_r, upd7201_cd_ba_w)*/
|
| 31 | AM_RANGE(0xe0040, 0xe0043) AM_DEVREADWRITE(UPD7201_TAG, upd7201_cd_ba_r, upd7201_cd_ba_w)
|
| 32 | 32 | AM_RANGE(0xe8000, 0xe8000) AM_DEVREADWRITE(HD46505S_TAG, mc6845_register_r, mc6845_register_w)
|
| 33 | 33 | AM_RANGE(0xe8001, 0xe8001) AM_DEVREADWRITE(HD46505S_TAG, mc6845_status_r, mc6845_address_w)
|
| 34 | | /* AM_RANGE(0xe8020, 0xe802f) AM_DEVREADWRITE(M6522_1_TAG, via_r, via_w)
|
| 34 | AM_RANGE(0xe8020, 0xe802f) AM_DEVREADWRITE(M6522_1_TAG, via_r, via_w)
|
| 35 | 35 | AM_RANGE(0xe8040, 0xe804f) AM_DEVREADWRITE(M6522_2_TAG, via_r, via_w)
|
| 36 | | AM_RANGE(0xe8060, 0xe806f) AM_DEVREADWRITE(M6852_TAG, m6852_r, m6852_w)
|
| 36 | // AM_RANGE(0xe8060, 0xe806f) AM_DEVREADWRITE(M6852_TAG, m6852_r, m6852_w)
|
| 37 | 37 | AM_RANGE(0xe8080, 0xe808f) AM_DEVREADWRITE(M6522_3_TAG, via_r, via_w)
|
| 38 | 38 | AM_RANGE(0xe80a0, 0xe80af) AM_DEVREADWRITE(M6522_4_TAG, via_r, via_w)
|
| 39 | 39 | AM_RANGE(0xe80c0, 0xe80cf) AM_DEVREADWRITE(M6522_6_TAG, via_r, via_w)
|
| 40 | | AM_RANGE(0xe80e0, 0xe80ef) AM_DEVREADWRITE(M6522_5_TAG, via_r, via_w)*/
|
| 41 | | AM_RANGE(0xf0000, 0xf0fff) AM_RAM
|
| 40 | AM_RANGE(0xe80e0, 0xe80ef) AM_DEVREADWRITE(M6522_5_TAG, via_r, via_w)
|
| 41 | AM_RANGE(0xf0000, 0xf0fff) AM_RAM AM_BASE_MEMBER(victor9k_state, video_ram)
|
| 42 | 42 | AM_RANGE(0xfe000, 0xfffff) AM_ROM AM_REGION(I8088_TAG, 0)
|
| 43 | 43 | ADDRESS_MAP_END
|
| 44 | 44 | |
| r7450 | r7451 | |
| 53 | 53 | {
|
| 54 | 54 | }
|
| 55 | 55 | |
| 56 | static WRITE_LINE_DEVICE_HANDLER( vsync_w )
|
| 57 | {
|
| 58 | victor9k_state *driver_state = (victor9k_state *)device->machine->driver_data;
|
| 59 | |
| 60 | pic8259_set_irq_line(driver_state->pic, 7, state);
|
| 61 | }
|
| 62 | |
| 56 | 63 | static const mc6845_interface hd46505s_intf = |
| 57 | 64 | {
|
| 58 | 65 | SCREEN_TAG,
|
| 59 | | 8,
|
| 66 | 10,
|
| 60 | 67 | NULL,
|
| 61 | 68 | victor9k_update_row,
|
| 62 | 69 | NULL,
|
| 63 | 70 | DEVCB_NULL,
|
| 64 | 71 | DEVCB_NULL,
|
| 65 | 72 | DEVCB_NULL,
|
| 66 | | DEVCB_NULL,
|
| 73 | DEVCB_LINE(vsync_w),
|
| 67 | 74 | NULL
|
| 68 | 75 | };
|
| 69 | 76 | |
| r7450 | r7451 | |
| 84 | 91 | return 0;
|
| 85 | 92 | }
|
| 86 | 93 | |
| 94 | /* Intel 8253 Interface */
|
| 95 | |
| 96 | static PIT8253_OUTPUT_CHANGED( mux_serial_b_w )
|
| 97 | {
|
| 98 | }
|
| 99 | |
| 100 | static PIT8253_OUTPUT_CHANGED( mux_serial_a_w )
|
| 101 | {
|
| 102 | }
|
| 103 | |
| 104 | static PIT8253_OUTPUT_CHANGED( timer_w )
|
| 105 | {
|
| 106 | victor9k_state *driver_state = (victor9k_state *)device->machine->driver_data;
|
| 107 | |
| 108 | pic8259_set_irq_line(driver_state->pic, 2, state);
|
| 109 | }
|
| 110 | |
| 111 | static const struct pit8253_config pit_intf =
|
| 112 | {
|
| 113 | {
|
| 114 | {
|
| 115 | 2500000,
|
| 116 | mux_serial_b_w
|
| 117 | }, {
|
| 118 | 2500000,
|
| 119 | mux_serial_a_w
|
| 120 | }, {
|
| 121 | 100000,
|
| 122 | timer_w
|
| 123 | }
|
| 124 | }
|
| 125 | };
|
| 126 | |
| 127 | /* Intel 8259 Interfaces */
|
| 128 | |
| 129 | /*
|
| 130 | |
| 131 | pin signal description
|
| 132 | |
| 133 | IR0 SYN sync detect
|
| 134 | IR1 COMM serial communications (7201)
|
| 135 | IR2 TIMER 8253 timer
|
| 136 | IR3 PARALLEL all 6522 IRQ (including disk)
|
| 137 | IR4 IR4 expansion IR4
|
| 138 | IR5 IR5 expansion IR5
|
| 139 | IR6 KBINT keyboard data ready
|
| 140 | IR7 VINT vertical sync or nonspecific interrupt
|
| 141 | |
| 142 | */
|
| 143 | |
| 144 | static WRITE_LINE_DEVICE_HANDLER( int0_w )
|
| 145 | {
|
| 146 | cputag_set_input_line(device->machine, I8088_TAG, INPUT_LINE_IRQ0, state);
|
| 147 | }
|
| 148 | |
| 149 | static const struct pic8259_interface pic_intf =
|
| 150 | {
|
| 151 | int0_w
|
| 152 | };
|
| 153 | |
| 154 | /* NEC uPD7201 Interface */
|
| 155 | |
| 156 | static WRITE_LINE_DEVICE_HANDLER( upd7201_int_w )
|
| 157 | {
|
| 158 | victor9k_state *driver_state = (victor9k_state *)device->machine->driver_data;
|
| 159 | |
| 160 | pic8259_set_irq_line(driver_state->pic, 1, state);
|
| 161 | }
|
| 162 | |
| 163 | static UPD7201_INTERFACE( mpsc_intf )
|
| 164 | {
|
| 165 | DEVCB_LINE(upd7201_int_w), /* interrupt */
|
| 166 | {
|
| 167 | {
|
| 168 | 0, /* receive clock */
|
| 169 | 0, /* transmit clock */
|
| 170 | DEVCB_NULL, /* receive DRQ */
|
| 171 | DEVCB_NULL, /* transmit DRQ */
|
| 172 | DEVCB_NULL, /* receive data */
|
| 173 | DEVCB_NULL, /* transmit data */
|
| 174 | DEVCB_NULL, /* clear to send */
|
| 175 | DEVCB_NULL, /* data carrier detect */
|
| 176 | DEVCB_NULL, /* ready to send */
|
| 177 | DEVCB_NULL, /* data terminal ready */
|
| 178 | DEVCB_NULL, /* wait */
|
| 179 | DEVCB_NULL /* sync output */
|
| 180 | }, {
|
| 181 | 0, /* receive clock */
|
| 182 | 0, /* transmit clock */
|
| 183 | DEVCB_NULL, /* receive DRQ */
|
| 184 | DEVCB_NULL, /* transmit DRQ */
|
| 185 | DEVCB_NULL, /* receive data */
|
| 186 | DEVCB_NULL, /* transmit data */
|
| 187 | DEVCB_NULL, /* clear to send */
|
| 188 | DEVCB_NULL, /* data carrier detect */
|
| 189 | DEVCB_NULL, /* ready to send */
|
| 190 | DEVCB_NULL, /* data terminal ready */
|
| 191 | DEVCB_NULL, /* wait */
|
| 192 | DEVCB_NULL /* sync output */
|
| 193 | }
|
| 194 | }
|
| 195 | };
|
| 196 | |
| 197 | /* M6522 Interface */
|
| 198 | |
| 199 | static READ8_DEVICE_HANDLER( via1_pa_r )
|
| 200 | {
|
| 201 | /*
|
| 202 | |
| 203 | bit description
|
| 204 | |
| 205 | PA0 DIO1
|
| 206 | PA1 DIO2
|
| 207 | PA2 DIO3
|
| 208 | PA3 DIO4
|
| 209 | PA4 DIO5
|
| 210 | PA5 DIO6
|
| 211 | PA6 DIO7
|
| 212 | PA7 DIO8
|
| 213 | |
| 214 | */
|
| 215 | |
| 216 | return 0;
|
| 217 | }
|
| 218 | |
| 219 | static WRITE8_DEVICE_HANDLER( via1_pa_w )
|
| 220 | {
|
| 221 | /*
|
| 222 | |
| 223 | bit description
|
| 224 | |
| 225 | PA0 DIO1
|
| 226 | PA1 DIO2
|
| 227 | PA2 DIO3
|
| 228 | PA3 DIO4
|
| 229 | PA4 DIO5
|
| 230 | PA5 DIO6
|
| 231 | PA6 DIO7
|
| 232 | PA7 DIO8
|
| 233 | |
| 234 | */
|
| 235 | }
|
| 236 | |
| 237 | static READ8_DEVICE_HANDLER( via1_pb_r )
|
| 238 | {
|
| 239 | /*
|
| 240 | |
| 241 | bit description
|
| 242 | |
| 243 | PB0 DAV
|
| 244 | PB1 EOI
|
| 245 | PB2 REN
|
| 246 | PB3 ATN
|
| 247 | PB4 IFC
|
| 248 | PB5 SRQ
|
| 249 | PB6 NRFD
|
| 250 | PB7 NDAC
|
| 251 | |
| 252 | */
|
| 253 | |
| 254 | return 0;
|
| 255 | }
|
| 256 | |
| 257 | static WRITE8_DEVICE_HANDLER( via1_pb_w )
|
| 258 | {
|
| 259 | /*
|
| 260 | |
| 261 | bit description
|
| 262 | |
| 263 | PB0 DAV
|
| 264 | PB1 EOI
|
| 265 | PB2 REN
|
| 266 | PB3 ATN
|
| 267 | PB4 IFC
|
| 268 | PB5 SRQ
|
| 269 | PB6 NRFD
|
| 270 | PB7 NDAC
|
| 271 | |
| 272 | */
|
| 273 | }
|
| 274 | |
| 275 | static WRITE_LINE_DEVICE_HANDLER( via1_irq_w )
|
| 276 | {
|
| 277 | victor9k_state *driver_state = (victor9k_state *)device->machine->driver_data;
|
| 278 | |
| 279 | driver_state->via1_irq = state;
|
| 280 | |
| 281 | pic8259_set_irq_line(driver_state->pic, 3, driver_state->via1_irq | driver_state->via2_irq | driver_state->via3_irq | driver_state->via4_irq | driver_state->via5_irq | driver_state->via6_irq );
|
| 282 | }
|
| 283 | |
| 284 | static const via6522_interface via1_intf =
|
| 285 | {
|
| 286 | DEVCB_HANDLER(via1_pa_r),
|
| 287 | DEVCB_HANDLER(via1_pb_r),
|
| 288 | DEVCB_NULL, // NRFD
|
| 289 | DEVCB_NULL,
|
| 290 | DEVCB_NULL, // NDAC
|
| 291 | DEVCB_NULL,
|
| 292 | |
| 293 | DEVCB_HANDLER(via1_pa_w),
|
| 294 | DEVCB_HANDLER(via1_pb_w),
|
| 295 | DEVCB_NULL,
|
| 296 | DEVCB_NULL,
|
| 297 | DEVCB_NULL,
|
| 298 | DEVCB_NULL, // CODEC VOL
|
| 299 | |
| 300 | DEVCB_LINE(via1_irq_w)
|
| 301 | };
|
| 302 | |
| 303 | static READ8_DEVICE_HANDLER( via2_pa_r )
|
| 304 | {
|
| 305 | /*
|
| 306 | |
| 307 | bit description
|
| 308 | |
| 309 | PA0 INT/EXTA
|
| 310 | PA1 INT/EXTB
|
| 311 | PA2 RIA
|
| 312 | PA3 DSRA
|
| 313 | PA4 RIB
|
| 314 | PA5 DSRB
|
| 315 | PA6 KBDATA
|
| 316 | PA7 VERT
|
| 317 | |
| 318 | */
|
| 319 | |
| 320 | return 0;
|
| 321 | }
|
| 322 | |
| 323 | static WRITE8_DEVICE_HANDLER( via2_pa_w )
|
| 324 | {
|
| 325 | /*
|
| 326 | |
| 327 | bit description
|
| 328 | |
| 329 | PA0 INT/EXTA
|
| 330 | PA1 INT/EXTB
|
| 331 | PA2 RIA
|
| 332 | PA3 DSRA
|
| 333 | PA4 RIB
|
| 334 | PA5 DSRB
|
| 335 | PA6 KBDATA
|
| 336 | PA7 VERT
|
| 337 | |
| 338 | */
|
| 339 | }
|
| 340 | |
| 341 | static WRITE8_DEVICE_HANDLER( via2_pb_w )
|
| 342 | {
|
| 343 | /*
|
| 344 | |
| 345 | bit description
|
| 346 | |
| 347 | PB0 TALK/LISTEN
|
| 348 | PB1 KBACKCTL
|
| 349 | PB2 BRT0
|
| 350 | PB3 BRT1
|
| 351 | PB4 BRT2
|
| 352 | PB5 CONT0
|
| 353 | PB6 CONT1
|
| 354 | PB7 CONT2
|
| 355 | |
| 356 | */
|
| 357 | }
|
| 358 | |
| 359 | static WRITE_LINE_DEVICE_HANDLER( via2_irq_w )
|
| 360 | {
|
| 361 | victor9k_state *driver_state = (victor9k_state *)device->machine->driver_data;
|
| 362 | |
| 363 | driver_state->via2_irq = state;
|
| 364 | |
| 365 | pic8259_set_irq_line(driver_state->pic, 3, driver_state->via1_irq | driver_state->via2_irq | driver_state->via3_irq | driver_state->via4_irq | driver_state->via5_irq | driver_state->via6_irq );
|
| 366 | }
|
| 367 | |
| 368 | static const via6522_interface via2_intf =
|
| 369 | {
|
| 370 | DEVCB_HANDLER(via2_pa_r),
|
| 371 | DEVCB_NULL,
|
| 372 | DEVCB_NULL,
|
| 373 | DEVCB_NULL, // KBRDY
|
| 374 | DEVCB_NULL, // SRQ/BUSY
|
| 375 | DEVCB_NULL, // KBDATA
|
| 376 | |
| 377 | DEVCB_HANDLER(via2_pa_w),
|
| 378 | DEVCB_HANDLER(via2_pb_w),
|
| 379 | DEVCB_NULL,
|
| 380 | DEVCB_NULL,
|
| 381 | DEVCB_NULL,
|
| 382 | DEVCB_NULL,
|
| 383 | |
| 384 | DEVCB_LINE(via2_irq_w)
|
| 385 | };
|
| 386 | |
| 387 | static READ8_DEVICE_HANDLER( via3_pa_r )
|
| 388 | {
|
| 389 | /*
|
| 390 | |
| 391 | bit description
|
| 392 | |
| 393 | PA0 J5-16
|
| 394 | PA1 J5-18
|
| 395 | PA2 J5-20
|
| 396 | PA3 J5-22
|
| 397 | PA4 J5-24
|
| 398 | PA5 J5-26
|
| 399 | PA6 J5-28
|
| 400 | PA7 J5-30
|
| 401 | |
| 402 | */
|
| 403 | |
| 404 | return 0;
|
| 405 | }
|
| 406 | |
| 407 | static WRITE8_DEVICE_HANDLER( via3_pa_w )
|
| 408 | {
|
| 409 | /*
|
| 410 | |
| 411 | bit description
|
| 412 | |
| 413 | PA0 J5-16
|
| 414 | PA1 J5-18
|
| 415 | PA2 J5-20
|
| 416 | PA3 J5-22
|
| 417 | PA4 J5-24
|
| 418 | PA5 J5-26
|
| 419 | PA6 J5-28
|
| 420 | PA7 J5-30
|
| 421 | |
| 422 | */
|
| 423 | }
|
| 424 | |
| 425 | static READ8_DEVICE_HANDLER( via3_pb_r )
|
| 426 | {
|
| 427 | /*
|
| 428 | |
| 429 | bit description
|
| 430 | |
| 431 | PB0 J5-32
|
| 432 | PB1 J5-34
|
| 433 | PB2 J5-36
|
| 434 | PB3 J5-38
|
| 435 | PB4 J5-40
|
| 436 | PB5 J5-42
|
| 437 | PB6 J5-44
|
| 438 | PB7 J5-46
|
| 439 | |
| 440 | */
|
| 441 | |
| 442 | return 0;
|
| 443 | }
|
| 444 | |
| 445 | static WRITE8_DEVICE_HANDLER( via3_pb_w )
|
| 446 | {
|
| 447 | /*
|
| 448 | |
| 449 | bit description
|
| 450 | |
| 451 | PB0 J5-32
|
| 452 | PB1 J5-34
|
| 453 | PB2 J5-36
|
| 454 | PB3 J5-38
|
| 455 | PB4 J5-40
|
| 456 | PB5 J5-42
|
| 457 | PB6 J5-44
|
| 458 | PB7 J5-46
|
| 459 | |
| 460 | */
|
| 461 | }
|
| 462 | |
| 463 | static WRITE_LINE_DEVICE_HANDLER( via3_irq_w )
|
| 464 | {
|
| 465 | victor9k_state *driver_state = (victor9k_state *)device->machine->driver_data;
|
| 466 | |
| 467 | driver_state->via3_irq = state;
|
| 468 | |
| 469 | pic8259_set_irq_line(driver_state->pic, 3, driver_state->via1_irq | driver_state->via2_irq | driver_state->via3_irq | driver_state->via4_irq | driver_state->via5_irq | driver_state->via6_irq );
|
| 470 | }
|
| 471 | |
| 472 | static const via6522_interface via3_intf =
|
| 473 | {
|
| 474 | DEVCB_HANDLER(via3_pa_r),
|
| 475 | DEVCB_HANDLER(via3_pb_r),
|
| 476 | DEVCB_NULL, // J5-12
|
| 477 | DEVCB_NULL, // J5-48
|
| 478 | DEVCB_NULL, // J5-14
|
| 479 | DEVCB_NULL, // J5-50
|
| 480 | |
| 481 | DEVCB_HANDLER(via3_pa_w),
|
| 482 | DEVCB_HANDLER(via3_pb_w),
|
| 483 | DEVCB_NULL,
|
| 484 | DEVCB_NULL,
|
| 485 | DEVCB_NULL,
|
| 486 | DEVCB_NULL,
|
| 487 | |
| 488 | DEVCB_LINE(via3_irq_w)
|
| 489 | };
|
| 490 | |
| 491 | static WRITE8_DEVICE_HANDLER( via4_pa_w )
|
| 492 | {
|
| 493 | /*
|
| 494 | |
| 495 | bit description
|
| 496 | |
| 497 | PA0 L0MS0
|
| 498 | PA1 L0MS1
|
| 499 | PA2 L0MS2
|
| 500 | PA3 L0MS3
|
| 501 | PA4 ST0A
|
| 502 | PA5 ST0B
|
| 503 | PA6 ST0C
|
| 504 | PA7 ST0D
|
| 505 | |
| 506 | */
|
| 507 | }
|
| 508 | |
| 509 | static WRITE8_DEVICE_HANDLER( via4_pb_w )
|
| 510 | {
|
| 511 | /*
|
| 512 | |
| 513 | bit description
|
| 514 | |
| 515 | PB0 L1MS0
|
| 516 | PB1 L1MS1
|
| 517 | PB2 L1MS2
|
| 518 | PB3 L1MS3
|
| 519 | PB4 ST1A
|
| 520 | PB5 ST1B
|
| 521 | PB6 ST1C
|
| 522 | PB7 ST1D
|
| 523 | |
| 524 | */
|
| 525 | }
|
| 526 | |
| 527 | static WRITE_LINE_DEVICE_HANDLER( via4_irq_w )
|
| 528 | {
|
| 529 | victor9k_state *driver_state = (victor9k_state *)device->machine->driver_data;
|
| 530 | |
| 531 | driver_state->via4_irq = state;
|
| 532 | |
| 533 | pic8259_set_irq_line(driver_state->pic, 3, driver_state->via1_irq | driver_state->via2_irq | driver_state->via3_irq | driver_state->via4_irq | driver_state->via5_irq | driver_state->via6_irq );
|
| 534 | }
|
| 535 | |
| 536 | static const via6522_interface via4_intf =
|
| 537 | {
|
| 538 | DEVCB_NULL,
|
| 539 | DEVCB_NULL,
|
| 540 | DEVCB_NULL, // DS0
|
| 541 | DEVCB_NULL, // DS1
|
| 542 | DEVCB_NULL,
|
| 543 | DEVCB_NULL,
|
| 544 | |
| 545 | DEVCB_HANDLER(via4_pa_w),
|
| 546 | DEVCB_HANDLER(via4_pb_w),
|
| 547 | DEVCB_NULL,
|
| 548 | DEVCB_NULL,
|
| 549 | DEVCB_NULL, // MODE
|
| 550 | DEVCB_NULL,
|
| 551 | |
| 552 | DEVCB_LINE(via4_irq_w)
|
| 553 | };
|
| 554 | |
| 555 | static READ8_DEVICE_HANDLER( via5_pa_r )
|
| 556 | {
|
| 557 | /*
|
| 558 | |
| 559 | bit description
|
| 560 | |
| 561 | PA0 E0
|
| 562 | PA1 E1
|
| 563 | PA2 I1
|
| 564 | PA3 E2
|
| 565 | PA4 E4
|
| 566 | PA5 E5
|
| 567 | PA6 I7
|
| 568 | PA7 E6
|
| 569 | |
| 570 | */
|
| 571 | |
| 572 | return 0;
|
| 573 | }
|
| 574 | |
| 575 | static WRITE8_DEVICE_HANDLER( via5_pb_w )
|
| 576 | {
|
| 577 | /*
|
| 578 | |
| 579 | bit description
|
| 580 | |
| 581 | PB0 WD0
|
| 582 | PB1 WD1
|
| 583 | PB2 WD2
|
| 584 | PB3 WD3
|
| 585 | PB4 WD4
|
| 586 | PB5 WD5
|
| 587 | PB6 WD6
|
| 588 | PB7 WD7
|
| 589 | |
| 590 | */
|
| 591 | }
|
| 592 | |
| 593 | static WRITE_LINE_DEVICE_HANDLER( via5_irq_w )
|
| 594 | {
|
| 595 | victor9k_state *driver_state = (victor9k_state *)device->machine->driver_data;
|
| 596 | |
| 597 | driver_state->via5_irq = state;
|
| 598 | |
| 599 | pic8259_set_irq_line(driver_state->pic, 3, driver_state->via1_irq | driver_state->via2_irq | driver_state->via3_irq | driver_state->via4_irq | driver_state->via5_irq | driver_state->via6_irq );
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| 600 | }
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| 601 | |
| 602 | static const via6522_interface via5_intf =
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| 603 | {
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| 604 | DEVCB_HANDLER(via5_pa_r),
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| 605 | DEVCB_NULL,
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| 606 | DEVCB_NULL, // BRDY
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| 607 | DEVCB_NULL,
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| 608 | DEVCB_NULL, // RDY0
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| 609 | DEVCB_NULL, // RDY1
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| 610 | |
| 611 | DEVCB_NULL,
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| 612 | DEVCB_HANDLER(via5_pb_w),
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| 613 | DEVCB_NULL,
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| 614 | DEVCB_NULL,
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| 615 | DEVCB_NULL,
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| 616 | DEVCB_NULL,
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| 617 | |
| 618 | DEVCB_LINE(via5_irq_w)
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| 619 | };
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| 620 | |
| 621 | static READ8_DEVICE_HANDLER( via6_pa_r )
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| 622 | {
|
| 623 | /*
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| 624 | |
| 625 | bit description
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| 626 | |
| 627 | PA0 LED0A
|
| 628 | PA1 TRK0D0
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| 629 | PA2 LED1A
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| 630 | PA3 TRK0D1
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| 631 | PA4 SIDE SELECT
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| 632 | PA5 DRIVE SELECT
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| 633 | PA6 WPS
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| 634 | PA7 SYNC
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| 635 | |
| 636 | */
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| 637 | |
| 638 | return 0;
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| 639 | }
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| 640 | |
| 641 | static WRITE8_DEVICE_HANDLER( via6_pa_w )
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| 642 | {
|
| 643 | /*
|
| 644 | |
| 645 | bit description
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| 646 | |
| 647 | PA0 LED0A
|
| 648 | PA1 TRK0D0
|
| 649 | PA2 LED1A
|
| 650 | PA3 TRK0D1
|
| 651 | PA4 SIDE SELECT
|
| 652 | PA5 DRIVE SELECT
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| 653 | PA6 WPS
|
| 654 | PA7 SYNC
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| 655 | |
| 656 | */
|
| 657 | }
|
| 658 | |
| 659 | static READ8_DEVICE_HANDLER( via6_pb_r )
|
| 660 | {
|
| 661 | /*
|
| 662 | |
| 663 | bit description
|
| 664 | |
| 665 | PB0 RDY0
|
| 666 | PB1 RDY1
|
| 667 | PB2 SCRESET
|
| 668 | PB3 DS1
|
| 669 | PB4 DS0
|
| 670 | PB5 SINGLE/_DOUBLE SIDED
|
| 671 | PB6 stepper enable A
|
| 672 | PB7 stepper enable B
|
| 673 | |
| 674 | */
|
| 675 | |
| 676 | return 0;
|
| 677 | }
|
| 678 | |
| 679 | static WRITE8_DEVICE_HANDLER( via6_pb_w )
|
| 680 | {
|
| 681 | /*
|
| 682 | |
| 683 | bit description
|
| 684 | |
| 685 | PB0 RDY0
|
| 686 | PB1 RDY1
|
| 687 | PB2 SCRESET
|
| 688 | PB3 DS1
|
| 689 | PB4 DS0
|
| 690 | PB5 SINGLE/_DOUBLE SIDED
|
| 691 | PB6 stepper enable A
|
| 692 | PB7 stepper enable B
|
| 693 | |
| 694 | */
|
| 695 | }
|
| 696 | |
| 697 | static WRITE_LINE_DEVICE_HANDLER( via6_irq_w )
|
| 698 | {
|
| 699 | victor9k_state *driver_state = (victor9k_state *)device->machine->driver_data;
|
| 700 | |
| 701 | driver_state->via6_irq = state;
|
| 702 | |
| 703 | pic8259_set_irq_line(driver_state->pic, 3, driver_state->via1_irq | driver_state->via2_irq | driver_state->via3_irq | driver_state->via4_irq | driver_state->via5_irq | driver_state->via6_irq );
|
| 704 | }
|
| 705 | |
| 706 | static const via6522_interface via6_intf =
|
| 707 | {
|
| 708 | DEVCB_HANDLER(via6_pa_r),
|
| 709 | DEVCB_HANDLER(via6_pb_r),
|
| 710 | DEVCB_NULL, // GCRERR
|
| 711 | DEVCB_NULL,
|
| 712 | DEVCB_NULL,
|
| 713 | DEVCB_NULL,
|
| 714 | |
| 715 | DEVCB_HANDLER(via6_pa_w),
|
| 716 | DEVCB_HANDLER(via6_pb_w),
|
| 717 | DEVCB_NULL,
|
| 718 | DEVCB_NULL,
|
| 719 | DEVCB_NULL, // DRW
|
| 720 | DEVCB_NULL, // ERASE
|
| 721 | |
| 722 | DEVCB_LINE(via6_irq_w)
|
| 723 | };
|
| 724 | |
| 87 | 725 | /* Floppy Configuration */
|
| 88 | 726 | |
| 89 | 727 | static const floppy_config victor9k_floppy_config =
|
| r7450 | r7451 | |
| 114 | 752 | |
| 115 | 753 | /* find devices */
|
| 116 | 754 | state->ieee488 = devtag_get_device(machine, IEEE488_TAG);
|
| 755 | state->pic = devtag_get_device(machine, I8259A_TAG);
|
| 117 | 756 | }
|
| 118 | 757 | |
| 119 | 758 | /* Machine Driver */
|
| r7450 | r7451 | |
| 150 | 789 | |
| 151 | 790 | /* devices */
|
| 152 | 791 | MDRV_IEEE488_ADD(IEEE488_TAG, ieee488_daisy)
|
| 153 | | // MDRV_PIC8259_ADD(I8259A_TAG, i8259_intf)
|
| 154 | | // MDRV_PIT8253_ADD(I8253_TAG, i8253_intf)
|
| 155 | | // MDRV_UPD7201_ADD(UPD7201_TAG, 0, upd7201_intf)
|
| 156 | | // MDRV_VIA6522_ADD(M6522_1_TAG, 0, m6522_1_intf)
|
| 157 | | // MDRV_VIA6522_ADD(M6522_2_TAG, 0, m6522_2_intf)
|
| 158 | | // MDRV_VIA6522_ADD(M6522_3_TAG, 0, m6522_3_intf)
|
| 159 | | // MDRV_VIA6522_ADD(M6522_4_TAG, 0, m6522_4_intf)
|
| 160 | | // MDRV_VIA6522_ADD(M6522_5_TAG, 0, m6522_5_intf)
|
| 161 | | // MDRV_VIA6522_ADD(M6522_6_TAG, 0, m6522_6_intf)
|
| 792 | MDRV_PIC8259_ADD(I8259A_TAG, pic_intf)
|
| 793 | MDRV_PIT8253_ADD(I8253_TAG, pit_intf)
|
| 794 | MDRV_UPD7201_ADD(UPD7201_TAG, 0, mpsc_intf)
|
| 795 | MDRV_VIA6522_ADD(M6522_1_TAG, 0, via1_intf)
|
| 796 | MDRV_VIA6522_ADD(M6522_2_TAG, 0, via2_intf)
|
| 797 | MDRV_VIA6522_ADD(M6522_3_TAG, 0, via3_intf)
|
| 798 | MDRV_VIA6522_ADD(M6522_4_TAG, 0, via4_intf)
|
| 799 | MDRV_VIA6522_ADD(M6522_5_TAG, 0, via5_intf)
|
| 800 | MDRV_VIA6522_ADD(M6522_6_TAG, 0, via6_intf)
|
| 162 | 801 | MDRV_FLOPPY_2_DRIVES_ADD(victor9k_floppy_config)
|
| 163 | 802 | |
| 164 | 803 | /* internal ram */
|
| 165 | 804 | MDRV_RAM_ADD("messram")
|
| 166 | 805 | MDRV_RAM_DEFAULT_SIZE("128K")
|
| 167 | | MDRV_RAM_EXTRA_OPTIONS("512K")
|
| 806 | MDRV_RAM_EXTRA_OPTIONS("256K,384K,512K,640K,768K,896K")
|
| 168 | 807 | MACHINE_DRIVER_END
|
| 169 | 808 | |
| 170 | 809 | /* ROMs */
|