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path: root/ini/presets/gba.ini
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diff --git a/ini/presets/gba.ini b/ini/presets/gba.ini
index c39a627099e..1be2a736d4e 100644
--- a/ini/presets/gba.ini
+++ b/ini/presets/gba.ini
@@ -31,7 +31,8 @@ offset 0.0,0.0,0.0
scale 1.0,1.0,1.0
power 1.0,1.0,1.0
floor 0.0,0.0,0.0
-lcd_persistence 0.03,0.03,0.03
+lcd_rise_time 0.05,0.05,0.05
+lcd_fall_time 0.1,0.1,0.1
#
# NTSC POST-PROCESSING OPTIONS
a id='n100' href='#n100'>100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913
// license:BSD-3-Clause
// copyright-holders:Wilbert Pol, Miodrag Milanovic
/***************************************************************************

    drivers/pc.c

Driver file for IBM PC, IBM PC XT, and related machines.

    PC-XT memory map

    00000-9FFFF   RAM
    A0000-AFFFF   NOP       or videoram EGA/VGA
    B0000-B7FFF   videoram  MDA, page #0
    B8000-BFFFF   videoram  CGA and/or MDA page #1, T1T mapped RAM
    C0000-C7FFF   NOP       or ROM EGA/VGA
    C8000-C9FFF   ROM       XT HDC #1
    CA000-CBFFF   ROM       XT HDC #2
    D0000-EFFFF   NOP       or 'adapter RAM'
    F0000-FDFFF   NOP       or ROM Basic + other Extensions
    FE000-FFFFF   ROM

Data General One / DG-1
=======================
Links: http://www.1000bit.it/ad/bro/datageneral/DG-ONE-PersonalSystem.pdf , http://www.1000bit.it/ad/bro/datageneral/DG-ONE-Interduction-PR.pdf , http://www.oldcomputers.net/data-general-one.html , http://forums.bannister.org/ubbthreads.php?ubb=showflat&Number=30897&page=all
Info: According to the discussion in the thread, the ROM we have is from the original version. Specs for later permutations can be found on oldcomputers.net
Form Factor: Laptop
CPU: 80C88 @ 4 MHz
RAM: 128K - 256K - 384K - 512K internally
Bus: no internal slots
Video: On board, Text mode 80x25 with 8x8 or 8x10 characters, CGA
Display: non-backlit LCD 640x256 pixels
Mass storage: 1/2x Floppy 3.5" 720K
On board Ports: Floppy, RTC, 1x RS232C + 1x RS232C/RS422 via 8251, speaker
Options: ext. 5.25" Floppy, int. Bell 103A 300 Baud Modem, 8087 FPU
Expansion: Expansion box, with 5 ISA slots and space for a 5.25" drive and a harddisk; specifically mentioned are the 5.25" drive, color graphics and memory expansion via ISA cards


Bondwell BW230 (Pro28 series)
=============
Links: http://gallery.fdd5-25.net/details.php?image_id=3463&sessionid=1eaeb42abdf2758a020b16204a2a8e5a ; http://www.zonadepruebas.com/viewtopic.php?t=3696 ; ftp://ftp.whtech.com/emulators/mess/old/Complete%20MESS%20Geneve%20emulation/mess/sysinfo/bondwell.htm
Info:   Info is hard to come by. A BW230 is nowhere to be found, the links about the Pro28 series suggest an XT compatible built around a passive backplane and a slot CPU. This is confirmed by the old MESS info.
Form Factor: Desktop
CPU: 8088 @ 4.77 MHz (MESS sysinfo: 3.75)/ 8 MHz
RAM: 512K / 640K
Bus: at least 2x ISA:   1)  CPU, RAM, Floppy controller
                        2)  Graphics, Game, Parallel
Video: Hercules/CGA
Mass storage: 1x 5.25" 360K and 20/30MB Harddisk.


Commodore PC-1
=============
Links: http://www.amiga-stuff.com/hardware/pc-i.html , http://www.zimmers.net/cbmpics/cpci.html
Form Factor: Desktop
CPU: 8088 @ 4.77 MHz
RAM: 512K / 640K
Bus: Proprietary expansion slot, carrying almost all ISA signals
Video: On board, MDA/Hercules/CGA
Mass storage: 1x 5.25" 360K
On board ports: Floppy, floppy expansion (for Amiga A1010/1011 (720 KB, 3.5") or A1020 (360 KB, 5.25" drives), speaker (but no speaker fitted), mouse,
Options: 8087 FPU
Expansion: Expansion box: 2x ISA


Commodore PC-10 III
=============
Links: http://dostalgie.de/downloads/pc10III-20III/PC10III_OM_COMMODORE_EN_DE.pdf ; ftp://ftp.zimmers.net/pub/cbm-pc/documents/PC-8088-Information.txt
Info: PC10-III and PC20-III are the same machines - PC10 has two floppies, PC20 one floppy and one harddisk
Form Factor: Desktop
CPU: 8088 @ 4.77 MHz / 7.16 MHz / 9.54 MHz
RAM: 640K
Bus: 3x ISA
Video: On board: MDA/CGA/Hercules/Plantronics
Mass storage: 1x Floppy 5.25" 360K and (PC10) another 360K or (PC20) 3.5" harddisk
On board ports: Floppy, XT-IDE Harddisk, Mouse, serial, parallel, RTC, Speaker
Options: 8087 FPU


Zenith SuperSport
=======================
Links:  http://www.focushacks.com/zenith/myzenith.html , http://retro-computing.blogspot.de/2006/08/zds-supersport-laptop.html , http://www.minuszerodegrees.net/manuals/Zenith%20Data%20Systems/ZDS%20SupersPort%20-%20Service%20Manual.pdf
        http://www.minuszerodegrees.net/manuals/Zenith%20Data%20Systems/ZDS%20SupersPort%20-%20User%20and%20Technical%20Manual.pdf
Info: ZWL-184 to distinguish it from the later 80286 based models
Form Factor: Laptop
CPU: 80C88 @ 4.77 MHz or 8 MHz
RAM: 640 KB
Bus: no internal slots
Video: CGA
Display: The second link has a picture of a working SuperSport. This shows the LCD display with a green background and blue text/graphics.
Mass storage: 1x 3.5" 720K floppy and 1x720K floppy or 20MB harddisk
On board ports: serial, parallel, ext. keyboard, ext. CGA video, ext. floppy
Options: 2400 Baud Modem, 8087 FPU


Siemens Sicomp PC16-05
=======================
Links: http://www.computerwoche.de/a/siemens-erweitert-pc-16-programm,1169752 , http://www.phantom.sannata.ru/museum/siemens_pc_16_05.shtml
Info: Multitech PC/700 mainboard
Form Factor: Desktop
CPU: 8088 @ 4.77MHz / 8 MHz
RAM: 640KB
Bus: 6x ISA:    1) MDA/Hercules/CGA and parallel port
                2) Floppy, RTC and serial port
                3) (optional) MFM harddisk controller
Video: MDA/Hercules, exchangable via ISA-slot
Mass storage: 1x 5.25" 360K floppy and 1x 5.25" 360K floppy or MFM hard drive (10MB or 20MB)
On board ports: parallel, serial, beeper
Options: 8087 FPU


NCR PC4i
========
Links: http://www.minuszerodegrees.net/manuals/NCR/NCR%20PC4i%20-%20Technical%20Reference%20Manual%20-%20January%201986.pdf
Info:   The earlier PC4 is not quite IBM compatible, the "i" in PC4i indicates full IBM compatibility.
        The NCR Graphics card supports a special 640x400 video mode
Form Factor: All-in-one desktop
CPU: 8088 @ 4.77 MHz
RAM: 256K, expandable to 640K
Bus: 7x ISA:    1)  (optional) RAM expansion board
                2)  empty
                3)  32K Video/Graphics board (64K option)
                4)  (optional) Alpha board
                5)  empty
                6)  (optional) MFM harddisk controller
                7)  empty
Video: K510: 4KB Alpha for internal monitor; K511: 32KB Graphics for internal monitor; K512: 32KB upgrade for K512; K140: 16KB Graphics for external monitor; K141: 4KB Alpha for external monitor
Display: Mono or color CRT 640x400 pixel
Mass storage: 1x 5.25" 360K floppy and 1x 5.25" 360K floppy or 10 MB harddisk
On board ports: parallel, serial, speaker, floppy
Options: 8087 FPU, K101 memory upgrade in 64K steps, 1.2MB floppy and controller board


Olivetti M15
============
Links:  http://www.1000bit.it/ad/bro/olivetti/olivettiM15.pdf , http://electrickery.xs4all.nl/comp/m15/ , http://electrickery.xs4all.nl/comp/m15/doc/M15_InstallationAndOperationsGuide.pdf
        http://www.museotecnologicamente.it/olivetti-m-15-1987/ , http://www.museotecnologicamente.it/wp-content/uploads/M15_Depliant_inglese.pdf
Info: The info brochure has a picture of a working M15. This shows the LCD display with a green background and blue text/graphics.
Form Factor: Laptop
CPU: 80C88 @ 4.77 MHz
RAM: 256K / 512K
Bus: no internal slots
Video: 80x25 text mode, CGA
Display: LCD
Mass storage: 2x 3.5" 720K drives
Ports: serial, parallel, ext. floppy, RTC
Expansion: External 5.25" 360K floppy drive


IBM5550
=======
Information can be found at http://homepage3.nifty.com/ibm5550/index-e.html
It's a heavily modified IBM PC-XT machine, with a completely different
video HW too.


Sharp PC-7000
=============
Links: http://oldcomputers.net/sharp-pc7000.html , http://curtamania.com/curta/database/brand/sharp/Sharp%20PC-7000/index.html , http://pcmuseum.de/pc7000.html
Form Factor: Luggable
CPU: 8086 @ 4.77 MHz or 7.37 MHz
RAM: 320K / 704K
Bus: no internal slots
Video: 80x24 text, 600x200 pixel graphics
Display: electroluminescent mono backlit (blue) LCD
Mass storage: 2x 5.25" 360K floppies
On board ports: serial, parallel
Options: Modem, color video output


Sanyo MBC-16
============
Links:
Info: In the MBC-16 I had, the graphics card had a Sanyo sticker on it, so I assume that was the original graphics card for the machine.
Form Factor: Desktop
CPU: 8088 @ 8MHz
RAM: 640KB
Bus: 3x ISA:    1)  ATI Graphics Solution SR https://sites.google.com/site/atiwonderseriesdatabase/
Video: MDA/CGA/Plantronics
Mass storage: 1 or 2 5.25" 360K floppies, MFM harddisk on hardcard or via seperate controller
On board ports: serial, parallel, floppy


Atari PC1
=========
Links: http://www.ataripc.net/pc1-8088/ ; http://krap.pl/mirrorz/atari/www.atari-computermuseum.de/pc.htm ; http://www.atari-computermuseum.de/pc1.htm
Form Factor: Desktop
CPU: 8088 @ 4.77 MHz / 8 MHz
RAM: 512K / 640KB
Bus: ISA signals available on board, no slot
Video: Hercules/CGA/EGA
Mass storage: 1 5.25" 360K floppy
On board ports: floppy, graphics, parallel, serial, mouse, external floppy
Options: 8087 FPU
Expansion: Up to two external floppy drives: PCF554, SF314 or SF354


Atari PC2
Links: http://www.binarydinosaurs.co.uk/Museum/atari/pc2.php ; http://www.ataripc.net/pc2-8088/ ; http://www.ataripc.net/components/
Info: The Atari PC2 mainboard has only one ISA slot, but is expanded via a four slot riser card. BIOS is identical to later PC1 and PC3
CPU: 8088 @ 4.77 MHz / 8 MHz
RAM: 512K / 640KB
Bus: 4x ISA
Video: Hercules/CGA/EGA
Mass storage: 1 5.25" 360K floppy and 1 5.25" 360K floppy or 20MB hard drive
On board ports: floppy, graphics, parallel, serial, mouse
Expansion: 8087 FPU

Atari PC3
=========
Links: http://www.atari-computermuseum.de/pc1.htm , http://trelohra.blogspot.de/2015/06/atari-pc3.html , http://www.ataripc.net/pc3-8088/
Form Factor: Desktop
CPU: 8088 @ 4.77 MHz or 8 MHz
RAM: 640K
Bus: 5x ISA:    1) Adaptec ACB-2072 RLL Controller Card
Video: On-board MDA/CGA/Hercules/EGA
Mass storage: 1x 5.25" 360K floppy + 30MB RLL harddisk
On board ports: floppy, parallel, serial, mouse, speaker
Options: 8087 FPU


Eagle 1600
==========
Links: https://archive.org/details/bitsavers_eagleCompu00Brochure_9975235 , http://www.vcfed.org/forum/showthread.php?49510-Eagle-Computer-model-list , http://bitsavers.trailing-edge.com/pdf/eagleComputer/1600/1600_Series_Training_Notes.pdf
Info:   Eagle 1620 - 8086/128K, 2 Quad density floppy drives, 4 Expansion slots available, ~1983, Eagle 1630 - 8086/128K, 1 Quad density floppy drive, 10MB HD, 3 Expansion Slots available (Same as 1620 with hard drive), ~1983Eagle 1640 - 8086/512K, 1 Quad density floppy drive, 32MB HD, 3 Expansion Slots available, ~1984
        The native floppy format is 780K, 2 sides, 80 tracks/side, 1024 bytes/sector, 5 sectors per track. Standard 360K disks can be read
        Holding "T" and resetting starts a system diagnostics test
Form Factor: Desktop
CPU: 8086 @ 8 MHz
RAM: 128K / 512K
Bus: 8xISA:     1) SASI board, connects to a XEBEC Sl410 SASI => MFM bridge board
                2) Floppy controller
                3) empty
                4) Video/graphics controller board
                5) empty
                6) empty
                7) Serial board: 2x serial, one sync/async, one async only
                8) Parallel board
Video: 80x25 text mode, 720x352 pixel graphics mode
Mass storage: 1x 5.25" QD 780K floppy and 1x 5.25" QD 820K floppy or 10/30MB MFM harddisk
Options: 8087 FPU, EagleNet File server, EightPort serial card, High Resolution color board and video, Video Cassette Adapter board for 80MB backup on video cassette

VTech Laser Turbo XT
=======================
Links: http://minuszerodegrees.net/manuals.htm#VTech , http://minuszerodegrees.net/manuals/VTech/VTech%20-%20Laser%20Turbo%20XT%20-%20Brochure.pdf
Form Factor: Desktop
CPU: 8088 @ 4.77 MHz or 10 MHz
RAM: 512K / 640K, additionally 512K or 1M EMS on board
Bus: 8xISA:     1) Monochrome graphics/color graphics card
                2) Multi I/O Card (Floppy, 2x serial, parallel, game, RTC)
                3) (optional) hard disk controller
Video: MDA/CGA/Hercules
Mass storage: 2x 5.25" 360K floppies and 1 or 2 harddisks (20MB / 30MB / 40MB)
On board ports: speaker
Options: 8087 FPU

VTech Laser XT/3
=======================
Links: http://minuszerodegrees.net/manuals.htm#VTech , http://th99.classic-computing.de/src/v/U-Z/52547.htm
Form Factor: Desktop
CPU: 8088 @ 4.77MHz or 10 MHz
RAM: 512K / 640K, additionally 512K or 1M EMS on board
Bus: 8x ISA:    1) Monochrome graphics/color graphics card http://th99.classic-computing.de/src/v/U-Z/52547.htm , alternatively an EGA card
                2) Multi I/O Card (Floppy, 2x serial, 1x parallel, game, RTC) http://th99.classic-computing.de/src/i/U-Z/52519.htm
                3) (optional) hard disk controller
Video: MDA/Hercules/CGA
Mass storage: 2x 5.25" 360K or 1x 5.25" 360K and 1x 3.5" 720K, additional harddisk optional
On board ports: speaker
Options: 8087 FPU

***************************************************************************/


#include "emu.h"
#include "machine/genpc.h"
#include "cpu/i86/i86.h"
#include "bus/isa/isa.h"
#include "bus/isa/isa_cards.h"
#include "bus/pc_kbd/keyboards.h"
#include "softlist.h"

class pc_state : public driver_device
{
public:
	pc_state(const machine_config &mconfig, device_type type, const char *tag) :
		driver_device(mconfig, type, tag),
		m_maincpu(*this, "maincpu")
	{ }

	required_device<cpu_device> m_maincpu;

	DECLARE_READ8_MEMBER(unk_r);

	DECLARE_DRIVER_INIT(bondwell);

	DECLARE_INPUT_CHANGED_MEMBER(pc_turbo_callback);

	double m_turbo_off_speed;
};

static ADDRESS_MAP_START( pc8_map, AS_PROGRAM, 8, pc_state )
	ADDRESS_MAP_UNMAP_HIGH
	AM_RANGE(0xf0000, 0xfffff) AM_ROM AM_REGION("bios", 0)
ADDRESS_MAP_END

static ADDRESS_MAP_START( zenith_map, AS_PROGRAM, 8, pc_state )
	ADDRESS_MAP_UNMAP_HIGH
	AM_RANGE(0xf0000, 0xf7fff) AM_RAM
	AM_RANGE(0xf8000, 0xfffff) AM_ROM AM_REGION("bios", 0x8000)
ADDRESS_MAP_END

static ADDRESS_MAP_START( pc16_map, AS_PROGRAM, 16, pc_state )
	ADDRESS_MAP_UNMAP_HIGH
	AM_RANGE(0xf0000, 0xfffff) AM_ROM AM_REGION("bios", 0)
ADDRESS_MAP_END

static ADDRESS_MAP_START(pc8_io, AS_IO, 8, pc_state )
	ADDRESS_MAP_UNMAP_HIGH
	AM_RANGE(0x0000, 0x00ff) AM_DEVICE("mb", ibm5160_mb_device, map)
ADDRESS_MAP_END

static ADDRESS_MAP_START(pc16_io, AS_IO, 16, pc_state )
	ADDRESS_MAP_UNMAP_HIGH
	AM_RANGE(0x0070, 0x007f) AM_RAM // needed for Poisk-2
	AM_RANGE(0x0000, 0x00ff) AM_DEVICE8("mb", ibm5160_mb_device, map, 0xffff)
ADDRESS_MAP_END

READ8_MEMBER(pc_state::unk_r)
{
	return 0;
}

static ADDRESS_MAP_START(ibm5550_io, AS_IO, 16, pc_state )
	ADDRESS_MAP_UNMAP_HIGH
	AM_RANGE(0x00a0, 0x00a1) AM_READ8(unk_r, 0x00ff )
	AM_RANGE(0x0000, 0x00ff) AM_DEVICE8("mb", ibm5160_mb_device, map, 0xffff)
ADDRESS_MAP_END

INPUT_CHANGED_MEMBER(pc_state::pc_turbo_callback)
{
	m_maincpu->set_clock_scale((newval & 2) ? 1 : m_turbo_off_speed);
}

DRIVER_INIT_MEMBER(pc_state,bondwell)
{
	m_turbo_off_speed = 4.77/12;
}

static INPUT_PORTS_START( pccga )
	PORT_START("DSW1") /* IN2 */
	PORT_DIPNAME( 0x80, 0x80, "COM1: enable")
	PORT_DIPSETTING(    0x00, DEF_STR( No ) )
	PORT_DIPSETTING(    0x80, DEF_STR( Yes ) )
	PORT_DIPNAME( 0x40, 0x40, "COM2: enable")
	PORT_DIPSETTING(    0x00, DEF_STR( No ) )
	PORT_DIPSETTING(    0x40, DEF_STR( Yes ) )
	PORT_DIPNAME( 0x20, 0x00, "COM3: enable")
	PORT_DIPSETTING(    0x00, DEF_STR( No ) )
	PORT_DIPSETTING(    0x20, DEF_STR( Yes ) )
	PORT_DIPNAME( 0x10, 0x00, "COM4: enable")
	PORT_DIPSETTING(    0x00, DEF_STR( No ) )
	PORT_DIPSETTING(    0x10, DEF_STR( Yes ) )
	PORT_DIPNAME( 0x08, 0x08, "LPT1: enable")
	PORT_DIPSETTING(    0x00, DEF_STR( No ) )
	PORT_DIPSETTING(    0x08, DEF_STR( Yes ) )
	PORT_DIPNAME( 0x04, 0x00, "LPT2: enable")
	PORT_DIPSETTING(    0x00, DEF_STR( No ) )
	PORT_DIPSETTING(    0x04, DEF_STR( Yes ) )
	PORT_DIPNAME( 0x02, 0x00, "LPT3: enable")
	PORT_DIPSETTING(    0x00, DEF_STR( No ) )
	PORT_DIPSETTING(    0x02, DEF_STR( Yes ) )
	PORT_DIPNAME( 0x01, 0x00, "Game port enable")
	PORT_DIPSETTING(    0x00, DEF_STR( No ) )
	PORT_DIPSETTING(    0x01, DEF_STR( Yes ) )

	PORT_START("DSW2") /* IN3 */
	PORT_DIPNAME( 0x08, 0x08, "HDC1 (C800:0 port 320-323)")
	PORT_DIPSETTING(    0x00, DEF_STR( No ) )
	PORT_DIPSETTING(    0x08, DEF_STR( Yes ) )
	PORT_DIPNAME( 0x04, 0x04, "HDC2 (CA00:0 port 324-327)")
	PORT_DIPSETTING(    0x00, DEF_STR( No ) )
	PORT_DIPSETTING(    0x04, DEF_STR( Yes ) )
	PORT_BIT( 0x02, 0x02,   IPT_UNUSED ) /* no turbo switch */
	PORT_BIT( 0x01, 0x01,   IPT_UNUSED )
INPUT_PORTS_END


static DEVICE_INPUT_DEFAULTS_START( pccga )
	DEVICE_INPUT_DEFAULTS("DSW0", 0x30, 0x20)
DEVICE_INPUT_DEFAULTS_END


#define MCFG_CPU_PC(mem, port, type, clock) \
	MCFG_CPU_ADD("maincpu", type, clock)                \
	MCFG_CPU_PROGRAM_MAP(mem##_map) \
	MCFG_CPU_IO_MAP(port##_io) \
	MCFG_CPU_IRQ_ACKNOWLEDGE_DEVICE("mb:pic8259", pic8259_device, inta_cb)


static MACHINE_CONFIG_START( pccga )
	/* basic machine hardware */
	MCFG_CPU_PC(pc8, pc8, I8088, 4772720)   /* 4,77 MHz */

	MCFG_IBM5160_MOTHERBOARD_ADD("mb", "maincpu")
	MCFG_DEVICE_INPUT_DEFAULTS(pccga)

	MCFG_ISA8_SLOT_ADD("mb:isa", "isa1", pc_isa8_cards, "cga", false)
	MCFG_ISA8_SLOT_ADD("mb:isa", "isa2", pc_isa8_cards, "fdc_xt", false)
	MCFG_ISA8_SLOT_ADD("mb:isa", "isa3", pc_isa8_cards, "lpt", false)
	MCFG_ISA8_SLOT_ADD("mb:isa", "isa4", pc_isa8_cards, "com", false)
	MCFG_ISA8_SLOT_ADD("mb:isa", "isa5", pc_isa8_cards, nullptr, false)

	/* keyboard */
	MCFG_PC_KBDC_SLOT_ADD("mb:pc_kbdc", "kbd", pc_xt_keyboards, STR_KBD_IBM_PC_XT_83)
	/* internal ram */
	MCFG_RAM_ADD(RAM_TAG)
	MCFG_RAM_DEFAULT_SIZE("640K")
	MCFG_RAM_EXTRA_OPTIONS("64K, 128K, 256K, 512K")

	/* software lists */
	MCFG_SOFTWARE_LIST_ADD("disk_list","ibm5150")
MACHINE_CONFIG_END


static MACHINE_CONFIG_START( cfg_dual_720K )
	MCFG_DEVICE_MODIFY("fdc:0")
	MCFG_SLOT_DEFAULT_OPTION("35dd")
	MCFG_DEVICE_MODIFY("fdc:1")
	MCFG_SLOT_DEFAULT_OPTION("35dd")
MACHINE_CONFIG_END

static MACHINE_CONFIG_START( cfg_single_360K )
	MCFG_DEVICE_MODIFY("fdc:0")
	MCFG_SLOT_DEFAULT_OPTION("525dd")
	MCFG_SLOT_FIXED(true)
	MCFG_DEVICE_REMOVE("fdc:1")
MACHINE_CONFIG_END


//Data General One
static MACHINE_CONFIG_DERIVED( dgone, pccga )
	MCFG_DEVICE_MODIFY("isa2")
	MCFG_SLOT_OPTION_MACHINE_CONFIG("fdc_xt", cfg_dual_720K)
MACHINE_CONFIG_END


// Bondwell BW230
static INPUT_PORTS_START( bondwell )
	PORT_INCLUDE(pccga)

	PORT_MODIFY("DSW2") /* IN3 */
	PORT_DIPNAME( 0x02, 0x02, "Turbo Switch" ) PORT_CHANGED_MEMBER(DEVICE_SELF, pc_state, pc_turbo_callback, 0)
	PORT_DIPSETTING(    0x00, "Off (4.77 MHz)" )
	PORT_DIPSETTING(    0x02, "On (12 MHz)" )
INPUT_PORTS_END

static MACHINE_CONFIG_DERIVED(bondwell, pccga)
	MCFG_DEVICE_REMOVE("maincpu")
	MCFG_CPU_PC(pc8, pc8, I8088, 4772720) // turbo?
MACHINE_CONFIG_END


// Schetmash Iskra-3104
static DEVICE_INPUT_DEFAULTS_START( iskr3104 )
	DEVICE_INPUT_DEFAULTS("DSW0", 0x30, 0x00)
DEVICE_INPUT_DEFAULTS_END

static MACHINE_CONFIG_START( iskr3104 )
	/* basic machine hardware */
	MCFG_CPU_PC(pc16, pc16, I8086, 4772720)

	MCFG_IBM5160_MOTHERBOARD_ADD("mb", "maincpu")
	MCFG_DEVICE_INPUT_DEFAULTS(iskr3104)

	MCFG_ISA8_SLOT_ADD("mb:isa", "isa1", pc_isa8_cards, "ega", false)
	MCFG_SLOT_OPTION_DEFAULT_BIOS("ega", "iskr3104")

	MCFG_ISA8_SLOT_ADD("mb:isa", "isa2", pc_isa8_cards, "fdc_xt", false)
	MCFG_ISA8_SLOT_ADD("mb:isa", "isa3", pc_isa8_cards, "lpt", false)
	MCFG_ISA8_SLOT_ADD("mb:isa", "isa4", pc_isa8_cards, "com", false)

	/* keyboard */
	MCFG_PC_KBDC_SLOT_ADD("mb:pc_kbdc", "kbd", pc_xt_keyboards, STR_KBD_IBM_PC_XT_83)
	/* internal ram */
	MCFG_RAM_ADD(RAM_TAG)
	MCFG_RAM_DEFAULT_SIZE("640K")
	MCFG_RAM_EXTRA_OPTIONS("64K, 128K, 256K, 512K")
MACHINE_CONFIG_END


//Poisk-2
static MACHINE_CONFIG_START( poisk2 )
	/* basic machine hardware */
	MCFG_CPU_PC(pc16, pc16, I8086, 4772720)

	MCFG_IBM5160_MOTHERBOARD_ADD("mb", "maincpu")
	MCFG_DEVICE_INPUT_DEFAULTS(pccga)

	MCFG_ISA8_SLOT_ADD("mb:isa", "isa1", pc_isa8_cards, "cga_poisk2", false)
	MCFG_ISA8_SLOT_ADD("mb:isa", "isa2", pc_isa8_cards, "fdc_xt", false)
	MCFG_ISA8_SLOT_ADD("mb:isa", "isa3", pc_isa8_cards, "lpt", false)
	MCFG_ISA8_SLOT_ADD("mb:isa", "isa4", pc_isa8_cards, "com", false)

	/* keyboard */
	MCFG_PC_KBDC_SLOT_ADD("mb:pc_kbdc", "kbd", pc_xt_keyboards, STR_KBD_IBM_PC_XT_83)
	/* internal ram */
	MCFG_RAM_ADD(RAM_TAG)
	MCFG_RAM_DEFAULT_SIZE("640K")
	MCFG_RAM_EXTRA_OPTIONS("64K, 128K, 256K, 512K")
MACHINE_CONFIG_END


//MK-88
static MACHINE_CONFIG_DERIVED(mk88, poisk2)
	MCFG_DEVICE_MODIFY("isa1")
	MCFG_SLOT_DEFAULT_OPTION("cga_ec1841")
MACHINE_CONFIG_END


// Zenith SuperSport
static MACHINE_CONFIG_START( zenith )
	/* basic machine hardware */
	MCFG_CPU_PC(zenith, pc8, I8088, XTAL_14_31818MHz/3) /* 4,77 MHz */

	MCFG_IBM5150_MOTHERBOARD_ADD("mb", "maincpu")
	MCFG_DEVICE_INPUT_DEFAULTS(pccga)

	MCFG_ISA8_SLOT_ADD("mb:isa", "isa1", pc_isa8_cards, "cga", false)
	MCFG_ISA8_SLOT_ADD("mb:isa", "isa2", pc_isa8_cards, "fdc_xt", false)
	MCFG_SLOT_OPTION_MACHINE_CONFIG("fdc_xt", cfg_dual_720K)
	MCFG_ISA8_SLOT_ADD("mb:isa", "isa3", pc_isa8_cards, "lpt", false)
	MCFG_ISA8_SLOT_ADD("mb:isa", "isa4", pc_isa8_cards, "com", false)

	/* keyboard */
	MCFG_PC_KBDC_SLOT_ADD("mb:pc_kbdc", "kbd", pc_xt_keyboards, STR_KBD_IBM_PC_XT_83)
	/* internal ram */
	MCFG_RAM_ADD(RAM_TAG)
	MCFG_RAM_DEFAULT_SIZE("640K")
	MCFG_RAM_EXTRA_OPTIONS("128K, 256K, 512K")

	/* software lists */
	MCFG_SOFTWARE_LIST_ADD("disk_list","ibm5150")
MACHINE_CONFIG_END


//NCR PC4i
static MACHINE_CONFIG_DERIVED ( ncrpc4i, pccga )
	//MCFG_DEVICE_MODIFY("mb:isa")
	MCFG_ISA8_SLOT_ADD("mb:isa", "isa6", pc_isa8_cards, nullptr, false)
	MCFG_ISA8_SLOT_ADD("mb:isa", "isa7", pc_isa8_cards, nullptr, false)

	MCFG_DEVICE_MODIFY(RAM_TAG)
	MCFG_RAM_DEFAULT_SIZE("640K")
	MCFG_RAM_EXTRA_OPTIONS("64K, 128K, 256K, 512K")
MACHINE_CONFIG_END


// Siemens Sicomp PC16-05
static DEVICE_INPUT_DEFAULTS_START( siemens )
	DEVICE_INPUT_DEFAULTS("DSW0", 0x30, 0x30)
DEVICE_INPUT_DEFAULTS_END

static MACHINE_CONFIG_START( siemens )
	/* basic machine hardware */
	MCFG_CPU_PC(pc8, pc8, I8088, XTAL_14_31818MHz/3) /* 4,77 MHz */

	MCFG_IBM5150_MOTHERBOARD_ADD("mb", "maincpu")
	MCFG_DEVICE_INPUT_DEFAULTS(siemens)

	MCFG_ISA8_SLOT_ADD("mb:isa", "isa1", pc_isa8_cards, "hercules", false)
	MCFG_ISA8_SLOT_ADD("mb:isa", "isa2", pc_isa8_cards, "fdc_xt", false)
	MCFG_ISA8_SLOT_ADD("mb:isa", "isa3", pc_isa8_cards, "lpt", false)
	MCFG_ISA8_SLOT_ADD("mb:isa", "isa4", pc_isa8_cards, "com", false)
	MCFG_ISA8_SLOT_ADD("mb:isa", "isa5", pc_isa8_cards, "hdc", false)
	MCFG_ISA8_SLOT_ADD("mb:isa", "isa6", pc_isa8_cards, nullptr, false)

	/* keyboard */
	MCFG_PC_KBDC_SLOT_ADD("mb:pc_kbdc", "kbd", pc_xt_keyboards, STR_KBD_IBM_PC_XT_83)
	/* internal ram */
	MCFG_RAM_ADD(RAM_TAG)
	MCFG_RAM_DEFAULT_SIZE("640K")
	MCFG_RAM_EXTRA_OPTIONS("64K, 128K, 256K, 512K")

MACHINE_CONFIG_END


// IBM 5550
static MACHINE_CONFIG_START( ibm5550 )
	/* basic machine hardware */
	MCFG_CPU_PC(pc16, ibm5550, I8086, 8000000)

	MCFG_IBM5160_MOTHERBOARD_ADD("mb", "maincpu")
	MCFG_DEVICE_INPUT_DEFAULTS(pccga)

	MCFG_ISA8_SLOT_ADD("mb:isa", "isa1", pc_isa8_cards, "cga", false)
	MCFG_ISA8_SLOT_ADD("mb:isa", "isa2", pc_isa8_cards, "fdc_xt", false)
	MCFG_ISA8_SLOT_ADD("mb:isa", "isa3", pc_isa8_cards, "lpt", false)
	MCFG_ISA8_SLOT_ADD("mb:isa", "isa4", pc_isa8_cards, "com", false)

	/* keyboard */
	MCFG_PC_KBDC_SLOT_ADD("mb:pc_kbdc", "kbd", pc_xt_keyboards, STR_KBD_IBM_PC_XT_83)
	/* internal ram */
	MCFG_RAM_ADD(RAM_TAG)
	MCFG_RAM_DEFAULT_SIZE("640K")
	MCFG_RAM_EXTRA_OPTIONS("64K, 128K, 256K, 512K")
MACHINE_CONFIG_END


// Olivetti M15
static DEVICE_INPUT_DEFAULTS_START( m15 )
	DEVICE_INPUT_DEFAULTS("DSW0", 0x30, 0x20) // TODO: document correct dip settings
	DEVICE_INPUT_DEFAULTS("DSW0", 0x01, 0x00)
DEVICE_INPUT_DEFAULTS_END

static MACHINE_CONFIG_DERIVED(m15, pccga)
	MCFG_DEVICE_MODIFY("mb")
	MCFG_DEVICE_INPUT_DEFAULTS(m15)
	MCFG_DEVICE_MODIFY("isa2")
	MCFG_SLOT_OPTION_MACHINE_CONFIG("fdc_xt", cfg_dual_720K)
	MCFG_DEVICE_MODIFY(RAM_TAG)
	MCFG_RAM_DEFAULT_SIZE("448K")
	MCFG_RAM_EXTRA_OPTIONS("16K, 160K, 304K")
MACHINE_CONFIG_END


// Atari PC1
static MACHINE_CONFIG_DERIVED(ataripc1, pccga)
	MCFG_DEVICE_MODIFY("isa1")
	MCFG_SLOT_DEFAULT_OPTION("ega")
	MCFG_DEVICE_MODIFY("isa2")
	MCFG_SLOT_OPTION_MACHINE_CONFIG("fdc_xt", cfg_single_360K)
MACHINE_CONFIG_END


//Eagle 1600
static MACHINE_CONFIG_DERIVED(eagle1600, pccga)
	MCFG_DEVICE_REMOVE("maincpu")
	MCFG_CPU_PC(pc16, pc16, I8086, 8000000)
MACHINE_CONFIG_END


//Laser XT/3
static MACHINE_CONFIG_START( laser_xt3 )
	MCFG_CPU_PC(pc8, pc8, I8088, XTAL_14_31818MHz/3) /* 4,77 MHz */

	MCFG_IBM5160_MOTHERBOARD_ADD("mb","maincpu")
	MCFG_DEVICE_INPUT_DEFAULTS(pccga)

	MCFG_ISA8_SLOT_ADD("mb:isa", "isa1", pc_isa8_cards, "cga", false)
	MCFG_ISA8_SLOT_ADD("mb:isa", "isa2", pc_isa8_cards, "com", false) // Multi I/O card (includes FDC)
	MCFG_ISA8_SLOT_ADD("mb:isa", "isa3", pc_isa8_cards, "fdc_xt", false) // floppy drive A is 5.25" 360K and B is 3.5" 720K
	MCFG_ISA8_SLOT_ADD("mb:isa", "isa4", pc_isa8_cards, nullptr, false)
	MCFG_ISA8_SLOT_ADD("mb:isa", "isa5", pc_isa8_cards, nullptr, false)
	MCFG_ISA8_SLOT_ADD("mb:isa", "isa6", pc_isa8_cards, nullptr, false)
	MCFG_ISA8_SLOT_ADD("mb:isa", "isa7", pc_isa8_cards, nullptr, false)
	MCFG_ISA8_SLOT_ADD("mb:isa", "isa8", pc_isa8_cards, nullptr, false)

	/* keyboard */
	MCFG_PC_KBDC_SLOT_ADD("mb:pc_kbdc", "kbd", pc_xt_keyboards, STR_KBD_IBM_PC_XT_83)

	/* internal ram */
	MCFG_RAM_ADD(RAM_TAG)
	MCFG_RAM_DEFAULT_SIZE("640K")
	MCFG_RAM_EXTRA_OPTIONS("512K,1024K,1536K,1664K")

	/* software lists */
	MCFG_SOFTWARE_LIST_ADD("disk_list","ibm5150")
MACHINE_CONFIG_END


//Laser Turbo XT
static MACHINE_CONFIG_START( laser_turbo_xt )
	MCFG_CPU_PC(pc8, pc8, I8088, XTAL_14_31818MHz/3) /* 4,77 MHz */

	MCFG_IBM5160_MOTHERBOARD_ADD("mb","maincpu")
	MCFG_DEVICE_INPUT_DEFAULTS(pccga)

	MCFG_ISA8_SLOT_ADD("mb:isa", "isa1", pc_isa8_cards, "cga", false)
	MCFG_ISA8_SLOT_ADD("mb:isa", "isa2", pc_isa8_cards, "com", false) // Multi I/O card (includes FDC)
	MCFG_ISA8_SLOT_ADD("mb:isa", "isa3", pc_isa8_cards, "fdc_xt", false)
	MCFG_ISA8_SLOT_ADD("mb:isa", "isa4", pc_isa8_cards, nullptr, false)
	MCFG_ISA8_SLOT_ADD("mb:isa", "isa5", pc_isa8_cards, nullptr, false)
	MCFG_ISA8_SLOT_ADD("mb:isa", "isa6", pc_isa8_cards, nullptr, false)
	MCFG_ISA8_SLOT_ADD("mb:isa", "isa7", pc_isa8_cards, nullptr, false)
	MCFG_ISA8_SLOT_ADD("mb:isa", "isa8", pc_isa8_cards, nullptr, false)

	/* keyboard */
	MCFG_PC_KBDC_SLOT_ADD("mb:pc_kbdc", "kbd", pc_xt_keyboards, STR_KBD_IBM_PC_XT_83)

	/* internal ram */
	MCFG_RAM_ADD(RAM_TAG)
	MCFG_RAM_DEFAULT_SIZE("640K")
	MCFG_RAM_EXTRA_OPTIONS("512K,768K,896K,1024K,1408K,1536K,1664K")

	/* software lists */
	MCFG_SOFTWARE_LIST_ADD("disk_list","ibm5150")
MACHINE_CONFIG_END

//**************************************************************************
//  ROM DEFINITIONS
//**************************************************************************

ROM_START( dgone )
	ROM_REGION(0x10000,"bios", 0)
	ROM_LOAD( "dgone.bin",  0x8000, 0x08000, CRC(2c38c86e) SHA1(c0f85a000d1d13cd354965689e925d677822549e))
ROM_END

ROM_START( bw230 )
	ROM_REGION(0x10000,"bios", 0)
	ROM_LOAD("bondwell.bin", 0xe000, 0x2000, CRC(d435a405) SHA1(a57c705d1144c7b61940b6f5c05d785c272fc9bb))
ROM_END

ROM_START( compc1 )
	ROM_REGION(0x10000, "bios", 0)
	ROM_LOAD("pc1_bios.bin", 0xc000, 0x4000, CRC(e37367c8) SHA1(9aac9c38b4ebdb9a740e393199c2eff75a0bde03))
	ROM_REGION(0x8000, "gfx1", 0)
	ROM_LOAD("pc1_char.bin", 0x0000, 0x4000, CRC(ee6c27f0) SHA1(e769cc3a49a1d708bd74eb4ac85bb6ea67220d38))
ROM_END

// Note: Commodore PC20-III, PC10-III and COLT share the same BIOS
ROM_START( pc10iii )
	ROM_REGION(0x10000, "bios", 0)
	ROM_DEFAULT_BIOS("v441")
	ROM_SYSTEM_BIOS(0, "v435", "v4.35")
	ROMX_LOAD("318085-01.u201", 0x8000, 0x8000, CRC(be752d1e) SHA1(5e5e63cd6d6269816cd691602e4c4d209fe3df67), ROM_BIOS(1))
	ROM_SYSTEM_BIOS(1, "v436", "v4.36")
	ROMX_LOAD("318085-02.u201", 0x8000, 0x8000, NO_DUMP, ROM_BIOS(2))
	ROM_SYSTEM_BIOS(2, "v436c", "v4.36c")
	ROMX_LOAD("318085-04.u201", 0x8000, 0x8000, NO_DUMP, ROM_BIOS(3))
	ROM_SYSTEM_BIOS(3, "v438", "v4.38")
	ROMX_LOAD("318085-05.u201", 0x8000, 0x8000, CRC(ae9e6a31) SHA1(853ee251cf230818c407a8d13ef060a21c90a8c1), ROM_BIOS(4))
	ROM_SYSTEM_BIOS(4, "v439", "v4.39")
	ROMX_LOAD("318085-06.u201", 0x8000, 0x8000, NO_DUMP, ROM_BIOS(5))
	ROM_SYSTEM_BIOS(5, "v440", "v4.40")
	ROMX_LOAD("318085-07.u201", 0x8000, 0x8000, NO_DUMP, ROM_BIOS(6))
	ROM_SYSTEM_BIOS(6, "v441", "v4.41")
	ROMX_LOAD("318085-08.u201", 0x8000, 0x8000, CRC(7e228dc8) SHA1(958dfdd637bd31c01b949fac729d6973a7e630bc), ROM_BIOS(7))
	ROM_REGION(0x8000, "gfx1", 0)
	ROM_LOAD("318086-02.u607", 0x0000, 0x8000, CRC(b406651c) SHA1(856f58353391a74a06ebb8ec9f8333d7d69e5fd6))
	//ROM_LOAD("5788005.u33", 0x00000, 0x2000, BAD_DUMP CRC(0bf56d70) SHA1(c2a8b10808bf51a3c123ba3eb1e9dd608231916f)) /* temp so you can read the text */
ROM_END

ROM_START( iskr3104 )
	ROM_REGION16_LE(0x10000,"bios", 0)
	ROMX_LOAD( "198.bin", 0xc000, 0x2000, CRC(bcfd8e41) SHA1(e21ddf78839aa51fa5feb23f511ff5e2da31b433),ROM_SKIP(1))
	ROMX_LOAD( "199.bin", 0xc001, 0x2000, CRC(2da5fe79) SHA1(14d5dccc141a0b3367f7f8a7188306fdf03c2b6c),ROM_SKIP(1))
	// EGA card from Iskra-3104
	//ROMX_LOAD( "143-03.bin", 0xc0001, 0x2000, CRC(d0706345) SHA1(e04bb40d944426a4ae2e3a614d3f4953d7132ede),ROM_SKIP(1))
	//ROMX_LOAD( "143-02.bin", 0xc0000, 0x2000, CRC(c8c18ebb) SHA1(fd6dac76d43ab8b582e70f1d5cc931d679036fb9),ROM_SKIP(1))
ROM_END

ROM_START( mk88 )
	ROM_REGION16_LE(0x10000,"bios", 0)
	ROM_DEFAULT_BIOS("v392")
	ROM_SYSTEM_BIOS(0, "v290", "v2.90")
	ROMX_LOAD( "mk88m.bin", 0xc000, 0x2000, CRC(09c9da3b) SHA1(d1e7ad23b5f5b3576ad128c1198294129754f39f), ROM_BIOS(1))
	ROMX_LOAD( "mk88b.bin", 0xe000, 0x2000, CRC(8a922476) SHA1(c19c3644ab92fd12e13f32b410cd26e3c844a03b), ROM_BIOS(1))
	ROM_SYSTEM_BIOS(1, "v391", "v3.91")
	ROMX_LOAD( "mkm.bin", 0xc000, 0x2000, CRC(65f979e8) SHA1(13e85be9bc8ceb5ab9e559e7d0089e26fbbb84fc), ROM_BIOS(2))
	ROMX_LOAD( "mkb.bin", 0xe000, 0x2000, CRC(830a0447) SHA1(11bc200fdbcfbbe335f4c282020750c0b5ca4167), ROM_BIOS(2))
	ROM_SYSTEM_BIOS(2, "v392", "v3.92")
	ROMX_LOAD( "m88.bin", 0xc000, 0x2000, CRC(fe1b4e36) SHA1(fcb420af0ff09a7d43fcb9b7d0b0233a2071c159), ROM_BIOS(3))
	ROMX_LOAD( "b88.bin", 0xe000, 0x2000, CRC(58a418df) SHA1(216398d4e4302ee7efcc2c8f9ff9d8a1161229ea), ROM_BIOS(3))
ROM_END

ROM_START( poisk2 )
	ROM_REGION16_LE(0x10000,"bios", 0)
	ROM_SYSTEM_BIOS(0, "v20", "v2.0")
	ROMX_LOAD( "b_p2_20h.rf4", 0xc001, 0x2000, CRC(d53189b7) SHA1(ace40f1a40642b51fe5d2874acef81e48768b23b), ROM_SKIP(1) | ROM_BIOS(1))
	ROMX_LOAD( "b_p2_20l.rf4", 0xc000, 0x2000, CRC(2d61fcc9) SHA1(11873c8741ba37d6c2fe1f482296aece514b7618), ROM_SKIP(1) | ROM_BIOS(1))
	ROM_SYSTEM_BIOS(1, "v21", "v2.1")
	ROMX_LOAD( "b_p2_21h.rf4", 0xc001, 0x2000, CRC(22197297) SHA1(506c7e63027f734d62ef537f484024548546011f), ROM_SKIP(1) | ROM_BIOS(2))
	ROMX_LOAD( "b_p2_21l.rf4", 0xc000, 0x2000, CRC(0eb2ea7f) SHA1(67bb5fec53ebfa2a5cad2a3d3d595678d6023024), ROM_SKIP(1) | ROM_BIOS(2))
	ROM_SYSTEM_BIOS(2, "v24", "v2.4")
	ROMX_LOAD( "b_p2_24h.rf4", 0xc001, 0x2000, CRC(ea842c9e) SHA1(dcdbf27374149dae0ef76d410cc6c615d9b99372), ROM_SKIP(1) | ROM_BIOS(3))
	ROMX_LOAD( "b_p2_24l.rf4", 0xc000, 0x2000, CRC(02f21250) SHA1(f0b133fb4470bddf2f7bf59688cf68198ed8ce55), ROM_SKIP(1) | ROM_BIOS(3))
	ROM_SYSTEM_BIOS(3, "v21d", "v2.1d")
	ROMX_LOAD( "opp2_1h.rf4", 0xc001, 0x2000, CRC(b7cd7f4f) SHA1(ac473822fb44d7b898d628732cf0a27fcb4d26d6), ROM_SKIP(1) | ROM_BIOS(4))
	ROMX_LOAD( "opp2_1l.rf4", 0xc000, 0x2000, CRC(1971dca3) SHA1(ecd61cc7952af834d8abc11db372c3e70775489d), ROM_SKIP(1) | ROM_BIOS(4))
	ROM_SYSTEM_BIOS(4, "v22d", "v2.2d")
	ROMX_LOAD( "opp2_2h.rf4", 0xc001, 0x2000, CRC(b9e3a5cc) SHA1(0a28afbff612471ee81d69a98789e75253c57a30), ROM_SKIP(1) | ROM_BIOS(5))
	ROMX_LOAD( "opp2_2l.rf4", 0xc000, 0x2000, CRC(6877aad6) SHA1(1d0031d044beb4f9f321e3c8fdedf57467958900), ROM_SKIP(1) | ROM_BIOS(5))
	ROM_SYSTEM_BIOS(5, "v23d", "v2.3d")
	ROMX_LOAD( "opp2_3h.rf4", 0xc001, 0x2000, CRC(ac7d4f06) SHA1(858d6e084a38814280b3e29fb54971f4f532e484), ROM_SKIP(1) | ROM_BIOS(6))
	ROMX_LOAD( "opp2_3l.rf4", 0xc000, 0x2000, CRC(3c877ea1) SHA1(0753168659653538311c0ad1df851cbbdba426f4), ROM_SKIP(1) | ROM_BIOS(6))
ROM_END

ROM_START( mc1702 )
	ROM_REGION16_LE(0x10000,"bios", 0)
	ROM_LOAD16_BYTE( "2764_2_(573rf4).rom", 0xc000,  0x2000, CRC(34a0c8fb) SHA1(88dc247f2e417c2848a2fd3e9b52258ad22a2c07))
	ROM_LOAD16_BYTE( "2764_3_(573rf4).rom", 0xc001, 0x2000, CRC(68ab212b) SHA1(f3313f77392877d28ce290ffa3432f0a32fc4619))
	ROM_LOAD( "ba1m_(573rf5).rom", 0x0000, 0x0800, CRC(08d938e8) SHA1(957b6c691dbef75c1c735e8e4e81669d056971e4))
ROM_END

ROM_START( zdsupers )
	ROM_REGION(0x10000,"bios", 0)
	ROM_SYSTEM_BIOS( 0, "v31d", "v3.1d" )
	ROMX_LOAD( "z184m v3.1d.10d", 0x8000, 0x8000, CRC(44012c3b) SHA1(f2f28979798874386ca8ba3dd3ead24ae7c2aeb4), ROM_BIOS(1))
	ROM_SYSTEM_BIOS( 1, "v29e", "v2.9e" )
	ROMX_LOAD( "z184m v2.9e.10d", 0x8000, 0x8000, CRC(de2f200b) SHA1(ad5ce601669a82351e412fc6c1c70c47779a1e55), ROM_BIOS(2))
ROM_END

ROM_START( sicpc1605 )
	ROM_REGION(0x10000,"bios", 0)
	ROM_LOAD("multitech pc-700 3.1.bin", 0xe000, 0x2000, CRC(0ac7a2e1) SHA1(b9c8504e21213d81a068dde9f51f9c973d726e7b))
ROM_END

ROM_START( ncrpc4i )
	ROM_REGION(0x10000,"bios", 0)
	ROM_LOAD( "ncr_pc4i_biosrom_1985.bin",0xc000, 0x4000, CRC(b9732648) SHA1(0d5d96fbc36089ca4d893b0db84faffa8043a5e4))
ROM_END

ROM_START( olivm15 )
	ROM_REGION(0x10000,"bios", 0)
	ROM_LOAD( "oliv_m15.bin",0xc000, 0x04000, CRC(bf2ef795) SHA1(02d497131f5ca2c78f2accd38ab0eab6813e3ebf))
ROM_END

ROM_START( ibm5550 )
	ROM_REGION16_LE(0x10000,"bios", 0)
	ROM_LOAD( "ipl5550.rom", 0xc000, 0x4000, CRC(40cf34c9) SHA1(d41f77fdfa787b0e97ed311e1c084b8699a5b197))
ROM_END

ROM_START( pc7000 )
	ROM_REGION16_LE(0x10000,"bios", 0)
	ROMX_LOAD( "mitsubishi-m5l27128k-1.bin", 0x8000, 0x4000, CRC(9683957f) SHA1(4569eab6d88eb1bba0d553d1358e593c326978aa), ROM_SKIP(1))
	ROMX_LOAD( "mitsubishi-m5l27128k-2.bin", 0x8001, 0x4000, CRC(99b229a4) SHA1(5800c8bafed26873d8cfcc79a05f93a780a31c91), ROM_SKIP(1))
ROM_END

ROM_START( sx16 )
	ROM_REGION(0x10000,"bios", 0)
	ROM_LOAD( "tmm27128ad.bin",0xc000, 0x4000, CRC(f8543362) SHA1(fef625e260ca89ba02174584bdc12db609f0780e))
ROM_END

ROM_START( mbc16 )
	ROM_REGION(0x10000,"bios", 0)
	ROM_LOAD( "mbc16.bin", 0xc000, 0x4000, CRC(f3e0934a) SHA1(e4b91c3d395be0414e20f23ad4919b8ac52639b2))
	ROM_REGION(0x2000,"gfx1", 0)
	//ATI Graphics Solution SR (graphics card, need to make it ISA card)
	ROM_LOAD( "atigssr.bin", 0x0000, 0x2000, CRC(aca81498) SHA1(0d84c89487ee7a6ac4c9e73fdb30c5fd8aa595f8))
ROM_END

ROM_START ( ataripc1 )
	ROM_REGION(0x10000,"bios", 0)
	ROM_SYSTEM_BIOS( 0, "v3.06", "v3.06" )
	ROMX_LOAD( "award_atari_pc_bios_3.06.bin", 0x8000, 0x8000, CRC(256427ce) SHA1(999f6af64b79f88c1d3492f386d9bee08efb50e7), ROM_BIOS(1))
	ROM_SYSTEM_BIOS( 1, "v3.08", "v3.08" )
	ROMX_LOAD( "award_atari_pc_bios_3.08.bin", 0x8000, 0x8000, CRC(929a2443) SHA1(8e98f3c9180c55b1f5521727779c016083d27960), ROM_BIOS(2)) //same as on Atari PC3, also used on Atari PC2
ROM_END

ROM_START( ataripc3 )
	ROM_REGION(0x10000,"bios", 0)
	ROM_LOAD( "c101701-004 308.u61",0x8000, 0x8000, CRC(929a2443) SHA1(8e98f3c9180c55b1f5521727779c016083d27960))

	ROM_REGION(0x8000,"gfx1", 0)
	ROM_LOAD("5788005.u33", 0x00000, 0x2000, BAD_DUMP CRC(0bf56d70) SHA1(c2a8b10808bf51a3c123ba3eb1e9dd608231916f)) // not the real character ROM

	ROM_REGION(0x8000,"plds", 0)
	ROM_LOAD( "c101681 6ffb.u60",0x000, 0x100, NO_DUMP ) // PAL20L10NC
ROM_END

ROM_START( ssam88s )
	ROM_REGION(0x10000,"bios", 0)
	ROM_LOAD( "samsung_samtron_88s_vers_2.0a.bin",  0x8000, 0x08000, CRC(d1252a91) SHA1(469d15b6ecd7b70234975dc12c6bda4212a66652))
ROM_END

ROM_START( eagle1600 )
	ROM_REGION(0x10000,"bios", 0)
	ROMX_LOAD( "eagle 1600 62-2732-001 rev e u403.bin",0xe000, 0x1000, CRC(3da1e96a) SHA1(77861ba5ebd056da1daf048f5abd459e0528666d), ROM_SKIP(1))
	ROMX_LOAD( "eagle 1600 62-2732-002 rev e u404.bin",0xe001, 0x1000, CRC(be6492d4) SHA1(ef25faf33e8336121d030e38e177be39be8afb7a), ROM_SKIP(1))

	ROM_REGION(0x8000,"gfx1", 0)
	ROM_LOAD("eagle 1600 video char gen u301.bin", 0x00000, 0x1000, CRC(1a7e552f) SHA1(749058783eec9d96a70dc5fdbfccb56196f889dc))
ROM_END

ROM_START( laser_turbo_xt )
	ROM_REGION(0x10000, "bios", 0)
	ROM_LOAD("laser_turbo_xt.bin", 0x0e000, 0x02000, CRC(0a6121d3) SHA1(59b1f8dd6fe981ef9a7700adebf6e1adda7cee90)) // version 1.11 - 27c64d
ROM_END

ROM_START( laser_xt3 )
	ROM_REGION(0x10000, "bios", 0)
	ROM_LOAD("laser_xt3.bin", 0x0e000, 0x02000, CRC(b45a7dd3) SHA1(62f17c408be0036d00a182e94c5c88b83d46b625)) // version 1.26 - 27c64
ROM_END


/***************************************************************************

  Game driver(s)

***************************************************************************/

//    YEAR    NAME              PARENT      COMPAT      MACHINE         INPUT     STATE     INIT      COMPANY                            FULLNAME                FLAGS
COMP( 1984,   dgone,            ibm5150,    0,          dgone,          pccga,    pc_state, 0,        "Data General",                    "Data General/One" ,    MACHINE_NOT_WORKING ) // CGA, 2x 3.5" disk drives
COMP( 1985,   bw230,            ibm5150,    0,          bondwell,       bondwell, pc_state, bondwell, "Bondwell Holding",                "BW230 (PRO28 Series)", 0 )
COMP( 1984,   compc1,           ibm5150,    0,          pccga,          pccga,    pc_state, 0,        "Commodore Business Machines",     "Commodore PC-1" ,      MACHINE_NOT_WORKING )
COMP( 1987,   pc10iii,          ibm5150,    0,          pccga,          pccga,    pc_state, 0,        "Commodore Business Machines",     "Commodore PC-10 III",  MACHINE_NOT_WORKING )
COMP( 1992,   iskr3104,         ibm5150,    0,          iskr3104,       pccga,    pc_state, 0,        "Schetmash",                       "Iskra 3104",           MACHINE_NOT_WORKING )
COMP( 1989,   mk88,             ibm5150,    0,          mk88,           pccga,    pc_state, 0,        "<unknown>",                       "MK-88",                MACHINE_NOT_WORKING )
COMP( 1991,   poisk2,           ibm5150,    0,          poisk2,         pccga,    pc_state, 0,        "<unknown>",                       "Poisk-2",              MACHINE_NOT_WORKING )
COMP( 1990,   mc1702,           ibm5150,    0,          pccga,          pccga,    pc_state, 0,        "<unknown>",                       "Elektronika MC-1702",  MACHINE_NOT_WORKING )
COMP( 1987,   zdsupers,         ibm5150,    0,          zenith,         pccga,    pc_state, 0,        "Zenith Data Systems",             "SuperSport",           0 )
COMP( 1985,   sicpc1605,        ibm5150,    0,          siemens,        pccga,    pc_state, 0,        "Siemens",                         "Sicomp PC16-05",       MACHINE_NOT_WORKING )
COMP( 1985,   ncrpc4i,          ibm5150,    0,          ncrpc4i,        pccga,    pc_state, 0,        "NCR",                             "PC4i",                 MACHINE_NOT_WORKING )
COMP( 198?,   olivm15,          ibm5150,    0,          m15,            pccga,    pc_state, 0,        "Olivetti",                        "M15",                  0 )
COMP( 1983,   ibm5550,          ibm5150,    0,          ibm5550,        pccga,    pc_state, 0,        "International Business Machines", "IBM 5550",             MACHINE_NOT_WORKING )
COMP( 1985,   pc7000,           ibm5150,    0,          pccga,          pccga,    pc_state, 0,        "Sharp",                           "PC-7000",              MACHINE_NOT_WORKING )
COMP( 1988,   sx16,             ibm5150,    0,          pccga,          pccga,    pc_state, 0,        "Sanyo",                           "SX-16",                MACHINE_NOT_WORKING )
COMP( 198?,   mbc16,            ibm5150,    0,          pccga,          pccga,    pc_state, 0,        "Sanyo",                           "MBC-16",               MACHINE_NOT_WORKING )
COMP( 1987,   ataripc1,         ibm5150,    0,          ataripc1,       pccga,    pc_state, 0,        "Atari",                           "PC1" ,                 0 )
COMP( 1988,   ataripc3,         ibm5150,    0,          pccga,          pccga,    pc_state, 0,        "Atari",                           "PC3" ,                 0 )
COMP( 1989,   ssam88s,          ibm5150,    0,          pccga,          pccga,    pc_state, 0,        "Samsung",                         "Samtron 88S" ,         MACHINE_NOT_WORKING )
COMP( 1983,   eagle1600,        ibm5150,    0,          eagle1600,      pccga,    pc_state, 0,        "Eagle",                           "1600" ,                MACHINE_NOT_WORKING )
COMP( 1988,   laser_turbo_xt,   ibm5150,    0,          laser_turbo_xt, 0,        pc_state, 0,        "VTech",                           "Laser Turbo XT",       0 )
COMP( 1989,   laser_xt3,        ibm5150,    0,          laser_xt3,      0,        pc_state, 0,        "VTech",                           "Laser XT/3",           0 )