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author ImJezze <jezze@gmx.net>2015-11-17 19:37:56 +0100
committer ImJezze <jezze@gmx.net>2015-11-17 19:37:56 +0100
commit8be53c28f0266af433076a6f5c1f1fa0abc70867 (patch)
tree5167ec845cdb853dddcbbafd84749308d3888095 /src/emu/render.cpp
parent5200f15ace282ad246bd38af900472db353ba241 (diff)
Changed screen adjustment for HLSL
- screen adjustment (scale, offset) can now be handled by the respective render API itself (default behavior is as before) - D3D (if HLSL) is activated handles screen adjustment by itself within the shader, which fixes the odd behavior of some effects (e.g. round corners) when screen scale and offset is used
Diffstat (limited to 'src/emu/render.cpp')
-rw-r--r--src/emu/render.cpp14
1 files changed, 13 insertions, 1 deletions
diff --git a/src/emu/render.cpp b/src/emu/render.cpp
index c86b3f914c5..e823f1fb7cf 100644
--- a/src/emu/render.cpp
+++ b/src/emu/render.cpp
@@ -924,7 +924,9 @@ render_target::render_target(render_manager &manager, const char *layoutfile, UI
m_base_view(NULL),
m_base_orientation(ROT0),
m_maxtexwidth(65536),
- m_maxtexheight(65536)
+ m_maxtexheight(65536),
+ m_scale_primitives(true),
+ m_offset_primitives(true)
{
// determine the base layer configuration based on options
m_base_layerconfig.set_backdrops_enabled(manager.machine().options().use_backdrops());
@@ -1659,6 +1661,16 @@ void render_target::add_container_primitives(render_primitive_list &list, const
float yoffs = (container_xform.orientation & ORIENTATION_SWAP_XY) ? container.xoffset() : container.yoffset();
if (container_xform.orientation & ORIENTATION_FLIP_X) xoffs = -xoffs;
if (container_xform.orientation & ORIENTATION_FLIP_Y) yoffs = -yoffs;
+ if (!m_scale_primitives)
+ {
+ xscale = 1.0f;
+ yscale = 1.0f;
+ }
+ if (!m_offset_primitives)
+ {
+ xoffs = 0.0f;
+ yoffs = 0.0f;
+ }
container_xform.xscale = xform.xscale * xscale;
container_xform.yscale = xform.yscale * yscale;
if (xform.no_center)
'#n197'>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
// license:BSD-3-Clause
// copyright-holders:David Haywood, Xing Xing, Andreas Naive
/* PGM 2 hardware.

    Motherboard is bare bones stuff, and does not contain any ROMs.
    The IGS036 used by the games is an ARM based CPU, like IGS027A used on PGM1 it has internal ROM.
    Decryption should be correct in most cases.
    The ARM appears to be ARMv5T, probably an ARM9.

    PGM2 Motherboard Components:

     IS61LV25616AL(SRAM)
     IGS037(GFX PROCESSOR)
     YMZ774-S(SOUND)
     R5F21256SN(extra MCU for protection and ICcard communication)
      - Appears to be referred to by the games as MPU

    Cartridges
     IGS036 (MAIN CPU) (differs per game, internal code)
     ROMs
     Custom program ROM module (KOV3 only)
      - on some games ROM socket contains Flash ROM + SRAM

     QFP100 chip (Xlinx CPLD)

     Single PCB versions of some of the titles were also available

    Only 5 Games were released for this platform, 3 of which are just updates / re-releases of older titles!
    The platform has since been superseded by PGM3, see pgm3.cpp

    Oriental Legend 2
    The King of Fighters '98 - Ultimate Match - Hero
    Knights of Valour 2 New Legend
    Dodonpachi Daioujou Tamashii
    Knights of Valour 3

    These were only released as single board PGM2 based hardware, seen for sale in Japan for around $250-$300

    Jigsaw World Arena
    Puzzle of Ocha / Ochainu No Pazuru


    ToDo (emulation issues):

    Support remaining games (need IGS036 dumps)
    Identify which regions each game was released in and either dump alt. internal ROMs for each region, or
      create them until that can be done.
    RTC (integrated into the CPU with the SRAM?)
    Memory Card system (there's an MCU on the motherboard that will need simulating or dumping somehow)
    Verify Sprite Zoom (check exactly which pixels are doubled / missed on hardware for flipped , non-flipped cases etc.)
    Simplify IGS036 encryption based on tables in internal roms
    Fix ARM? bug that means Oriental Legend 2 needs a patch (might also be that it needs the card reader, and is running a
     codepath that would not exist in a real environment at the moment)
    Fix Save States (is this a driver problem or an ARM core problem, they don't work unless you get through the startup tests)

*/

#include "includes/pgm2.h"

// checked on startup, or doesn't boot
READ32_MEMBER(pgm2_state::unk_startup_r)
{
	logerror("%s: unk_startup_r\n", machine().describe_context().c_str());
	return 0x00000180;
}

INTERRUPT_GEN_MEMBER(pgm2_state::igs_interrupt)
{
	m_arm_aic->set_irq(0x47);
}

TIMER_DEVICE_CALLBACK_MEMBER(pgm2_state::igs_interrupt2)
{
	int scanline = param;

	if(scanline == 0)
		 m_arm_aic->set_irq(0x46);
}

static ADDRESS_MAP_START( pgm2_map, AS_PROGRAM, 32, pgm2_state )
	AM_RANGE(0x00000000, 0x00003fff) AM_ROM //AM_REGION("user1", 0x00000) // internal ROM

	AM_RANGE(0x02000000, 0x0200ffff) AM_RAM AM_SHARE("sram") // 'battery ram' (in CPU?)

	// could be the card reader, looks a bit like a standard IGS MCU comms protocol going on here
	AM_RANGE(0x03600000, 0x03600003) AM_WRITENOP
	AM_RANGE(0x03620000, 0x03620003) AM_WRITENOP
	AM_RANGE(0x03640000, 0x03640003) AM_WRITENOP
	AM_RANGE(0x03660000, 0x03660003) AM_READ_PORT("UNK1")
	AM_RANGE(0x03680000, 0x03680003) AM_READ_PORT("UNK2")
	AM_RANGE(0x036a0000, 0x036a0003) AM_WRITENOP

	AM_RANGE(0x03900000, 0x03900003) AM_READ_PORT("INPUTS0")
	AM_RANGE(0x03a00000, 0x03a00003) AM_READ_PORT("INPUTS1")

	AM_RANGE(0x10000000, 0x10ffffff) AM_ROM AM_REGION("user1", 0) // external ROM
	AM_RANGE(0x20000000, 0x2007ffff) AM_RAM AM_SHARE("mainram")

	AM_RANGE(0x30000000, 0x30001fff) AM_RAM AM_SHARE("sp_videoram") // spriteram ('move' ram in test mode)

	AM_RANGE(0x30020000, 0x30021fff) AM_RAM_WRITE(bg_videoram_w) AM_SHARE("bg_videoram")
	AM_RANGE(0x30040000, 0x30045fff) AM_RAM_WRITE(fg_videoram_w) AM_SHARE("fg_videoram")

	AM_RANGE(0x30060000, 0x30063fff) AM_RAM_DEVWRITE("sp_palette", palette_device, write) AM_SHARE("sp_palette")

	AM_RANGE(0x30080000, 0x30081fff) AM_RAM_DEVWRITE("bg_palette", palette_device, write) AM_SHARE("bg_palette")

	AM_RANGE(0x300a0000, 0x300a07ff) AM_RAM_DEVWRITE("tx_palette", palette_device, write) AM_SHARE("tx_palette")

	AM_RANGE(0x300c0000, 0x300c01ff) AM_RAM AM_SHARE("sp_zoom") // sprite zoom table - it uploads the same data 4x, maybe xshrink,xgrow,yshrink,ygrow or just redundant mirrors

	/* linescroll ram - it clears to 0x3bf on startup which is enough bytes for 240 lines if each rowscroll value was 8 bytes, but each row is 4,
	so only half of this is used? or tx can do it too (unlikely, as orl2 writes 256 lines of data) maybe just bad mem check bounds on orleg2.
	It reports pass even if it fails the first byte but if the first byte passes it attempts to test 0x10000 bytes, which is far too big so
	what is the real size? */
	AM_RANGE(0x300e0000, 0x300e03ff) AM_RAM AM_SHARE("lineram") AM_MIRROR(0x000fc00)

	AM_RANGE(0x30100000, 0x301000ff) AM_RAM // unknown mask 00ff00ff, seems to be banked with 0x30120030 too?

	AM_RANGE(0x30120000, 0x30120003) AM_RAM AM_SHARE("bgscroll") // scroll
	// there are other 0x301200xx regs

	AM_RANGE(0x40000000, 0x40000003) AM_DEVREADWRITE8("ymz774", ymz774_device, read, write, 0xffffffff)

	// internal to IGS036? - various other writes down here on startup too - could be other standard ATMEL peripherals like the ARM_AIC mixed with custom bits
	AM_RANGE(0xffffec00, 0xffffec5f) AM_RAM
	AM_RANGE(0xfffffc00, 0xfffffcff) AM_RAM // confirmed as encryption table for main program rom (see code at 3950)

	AM_RANGE(0xfffff000, 0xfffff14b) AM_DEVICE("arm_aic", arm_aic_device, regs_map)

	AM_RANGE(0xfffff430, 0xfffff433) AM_WRITENOP // often
	AM_RANGE(0xfffff434, 0xfffff437) AM_WRITENOP // often

	AM_RANGE(0xfffffd28, 0xfffffd2b) AM_READNOP // often

//  AM_RANGE(0xfffffa08, 0xfffffa0b) AM_WRITE(table_done_w) // after uploading encryption? table might actually send it or enable external ROM?
	AM_RANGE(0xfffffa0c, 0xfffffa0f) AM_READ(unk_startup_r)
ADDRESS_MAP_END

static INPUT_PORTS_START( pgm2 )
// probably not inputs
	PORT_START("UNK1")
	PORT_BIT( 0xffffffff, IP_ACTIVE_HIGH, IPT_UNKNOWN )

// probably not inputs
	PORT_START("UNK2")
	PORT_BIT( 0xffffffff, IP_ACTIVE_HIGH, IPT_UNKNOWN )

	PORT_START("INPUTS0")
	PORT_BIT( 0x00000001, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_PLAYER(1)
	PORT_BIT( 0x00000002, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_PLAYER(1)
	PORT_BIT( 0x00000004, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_PLAYER(1)
	PORT_BIT( 0x00000008, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(1)
	PORT_BIT( 0x00000010, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1)
	PORT_BIT( 0x00000020, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(1)
	PORT_BIT( 0x00000040, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(1)
	PORT_BIT( 0x00000080, IP_ACTIVE_LOW, IPT_BUTTON4 ) PORT_PLAYER(1)
	PORT_BIT( 0x00000100, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BIT( 0x00000200, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BIT( 0x00000400, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_PLAYER(2)
	PORT_BIT( 0x00000800, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_PLAYER(2)
	PORT_BIT( 0x00001000, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_PLAYER(2)
	PORT_BIT( 0x00002000, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(2)
	PORT_BIT( 0x00004000, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2)
	PORT_BIT( 0x00008000, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(2)
	PORT_BIT( 0x00010000, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(2)
	PORT_BIT( 0x00020000, IP_ACTIVE_LOW, IPT_BUTTON4 ) PORT_PLAYER(2)
	PORT_BIT( 0x00040000, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BIT( 0x00080000, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BIT( 0x00100000, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_PLAYER(3)
	PORT_BIT( 0x00200000, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_PLAYER(3)
	PORT_BIT( 0x00400000, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_PLAYER(3)
	PORT_BIT( 0x00800000, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(3)
	PORT_BIT( 0x01000000, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(3)
	PORT_BIT( 0x02000000, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(3)
	PORT_BIT( 0x04000000, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(3)
	PORT_BIT( 0x08000000, IP_ACTIVE_LOW, IPT_BUTTON4 ) PORT_PLAYER(3)
	PORT_BIT( 0x10000000, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BIT( 0x20000000, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BIT( 0x40000000, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BIT( 0x80000000, IP_ACTIVE_LOW, IPT_UNUSED )

	PORT_START("INPUTS1")
	PORT_BIT( 0x00000001, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_PLAYER(4)
	PORT_BIT( 0x00000002, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_PLAYER(4)
	PORT_BIT( 0x00000004, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_PLAYER(4)
	PORT_BIT( 0x00000008, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(4)
	PORT_BIT( 0x00000010, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(4)
	PORT_BIT( 0x00000020, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(4)
	PORT_BIT( 0x00000040, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(4)
	PORT_BIT( 0x00000080, IP_ACTIVE_LOW, IPT_BUTTON4 ) PORT_PLAYER(4)
	PORT_BIT( 0x00000100, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BIT( 0x00000200, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BIT( 0x00000400, IP_ACTIVE_LOW, IPT_START1 )
	PORT_BIT( 0x00000800, IP_ACTIVE_LOW, IPT_START2 )
	PORT_BIT( 0x00001000, IP_ACTIVE_LOW, IPT_START3 )
	PORT_BIT( 0x00002000, IP_ACTIVE_LOW, IPT_START4 )
	PORT_BIT( 0x00004000, IP_ACTIVE_LOW, IPT_COIN1 )
	PORT_BIT( 0x00008000, IP_ACTIVE_LOW, IPT_COIN2 )
	PORT_BIT( 0x00010000, IP_ACTIVE_LOW, IPT_COIN3 )
	PORT_BIT( 0x00020000, IP_ACTIVE_LOW, IPT_COIN4 )
	PORT_BIT( 0x00040000, IP_ACTIVE_LOW, IPT_SERVICE1 ) // test key p1+p2
	PORT_BIT( 0x00080000, IP_ACTIVE_LOW, IPT_SERVICE2 ) // test key p3+p4
	PORT_BIT( 0x00100000, IP_ACTIVE_LOW, IPT_SERVICE3 ) // service key p1+p2
	PORT_BIT( 0x00200000, IP_ACTIVE_LOW, IPT_SERVICE4 ) // service key p3+p4
	PORT_BIT( 0x00400000, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BIT( 0x00800000, IP_ACTIVE_LOW, IPT_UNUSED )

	PORT_SERVICE( 0x01000000, IP_ACTIVE_LOW ) PORT_DIPLOCATION("SW1:1")
	PORT_DIPNAME( 0x02000000, 0x02000000, "Music" )  PORT_DIPLOCATION("SW1:2")
	PORT_DIPSETTING(          0x00000000, DEF_STR( Off ) )
	PORT_DIPSETTING(          0x02000000, DEF_STR( On ) )
	PORT_DIPNAME( 0x04000000, 0x04000000, "Voice" )  PORT_DIPLOCATION("SW1:3")
	PORT_DIPSETTING(          0x00000000, DEF_STR( Off ) )
	PORT_DIPSETTING(          0x04000000, DEF_STR( On ) )
	PORT_DIPNAME( 0x08000000, 0x08000000, "Free" )  PORT_DIPLOCATION("SW1:4")
	PORT_DIPSETTING(          0x08000000, DEF_STR( Off ) )
	PORT_DIPSETTING(          0x00000000, DEF_STR( On ) )
	PORT_DIPNAME( 0x10000000, 0x10000000, "Stop" )  PORT_DIPLOCATION("SW1:5")
	PORT_DIPSETTING(          0x10000000, DEF_STR( Off ) )
	PORT_DIPSETTING(          0x00000000, DEF_STR( On ) )
	PORT_DIPNAME( 0x20000000, 0x20000000, DEF_STR( Unused ) )  PORT_DIPLOCATION("SW1:6")
	PORT_DIPSETTING(          0x20000000, DEF_STR( Off ) )
	PORT_DIPSETTING(          0x00000000, DEF_STR( On ) )
	PORT_DIPNAME( 0x40000000, 0x40000000, DEF_STR( Unused ) )  PORT_DIPLOCATION("SW1:7")
	PORT_DIPSETTING(          0x40000000, DEF_STR( Off ) )
	PORT_DIPSETTING(          0x00000000, DEF_STR( On ) )
	PORT_DIPNAME( 0x80000000, 0x80000000, DEF_STR( Unused ) )  PORT_DIPLOCATION("SW1:8")
	PORT_DIPSETTING(          0x80000000, DEF_STR( Off ) )
	PORT_DIPSETTING(          0x00000000, DEF_STR( On ) )
INPUT_PORTS_END


WRITE_LINE_MEMBER(pgm2_state::irq)
{
//  printf("irq\n");
	if (state == ASSERT_LINE) m_maincpu->set_input_line(ARM7_IRQ_LINE, ASSERT_LINE);
	else m_maincpu->set_input_line(ARM7_IRQ_LINE, CLEAR_LINE);
}

void pgm2_state::machine_start()
{
}

void pgm2_state::machine_reset()
{
}

static const gfx_layout tiles8x8_layout =
{
	8,8,
	RGN_FRAC(1,1),
	4,
	{ 0, 1, 2, 3 },
	{ 4, 0, 12, 8, 20, 16, 28, 24 },
	{ 0*32, 1*32, 2*32, 3*32, 4*32, 5*32, 6*32, 7*32 },
	32*8
};

static const gfx_layout tiles32x32x8_layout =
{
	32,32,
	RGN_FRAC(1,1),
	7,
	{ 1, 2, 3, 4, 5, 6, 7 },
	{ 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8, 8*8, 9*8, 10*8, 11*8, 12*8, 13*8, 14*8, 15*8,
		16*8, 17*8, 18*8, 19*8, 20*8, 21*8, 22*8, 23*8, 24*8, 25*8, 26*8, 27*8, 28*8, 29*8, 30*8, 31*8 },
	{ 0*256, 1*256, 2*256, 3*256, 4*256, 5*256, 6*256, 7*256, 8*256, 9*256, 10*256, 11*256, 12*256, 13*256, 14*256, 15*256,
		16*256, 17*256, 18*256, 19*256, 20*256, 21*256, 22*256, 23*256, 24*256, 25*256, 26*256, 27*256, 28*256, 29*256, 30*256, 31*256
	},
	256*32
};

static GFXDECODE_START( pgm2_tx )
	GFXDECODE_ENTRY( "tiles", 0, tiles8x8_layout, 0, 0x800/4/0x10 )
GFXDECODE_END

static GFXDECODE_START( pgm2_bg )
	GFXDECODE_ENTRY( "bgtile", 0, tiles32x32x8_layout, 0, 0x2000/4/0x80 )
GFXDECODE_END

static MACHINE_CONFIG_START( pgm2 )

	/* basic machine hardware */
	MCFG_CPU_ADD("maincpu", IGS036, 100000000) // ?? ARM based CPU, has internal ROM.
	MCFG_CPU_PROGRAM_MAP(pgm2_map)

	MCFG_CPU_VBLANK_INT_DRIVER("screen", pgm2_state,  igs_interrupt)
	MCFG_TIMER_DRIVER_ADD_SCANLINE("scantimer", pgm2_state, igs_interrupt2, "screen", 0, 1)

	MCFG_ARM_AIC_ADD("arm_aic")
	MCFG_IRQ_LINE_CB(WRITELINE(pgm2_state, irq))

	/* video hardware */
	MCFG_SCREEN_ADD("screen", RASTER)
	MCFG_SCREEN_REFRESH_RATE(60)
	MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0))
	MCFG_SCREEN_SIZE(64*8, 32*8)
	MCFG_SCREEN_VISIBLE_AREA(0, 448-1, 0, 224-1)
	MCFG_SCREEN_UPDATE_DRIVER(pgm2_state, screen_update_pgm2)
	MCFG_SCREEN_VBLANK_CALLBACK(WRITELINE(pgm2_state, screen_vblank_pgm2))

	MCFG_GFXDECODE_ADD("gfxdecode2", "tx_palette", pgm2_tx)

	MCFG_GFXDECODE_ADD("gfxdecode3", "bg_palette", pgm2_bg)

	MCFG_PALETTE_ADD("sp_palette", 0x4000/4) // sprites
	MCFG_PALETTE_FORMAT(XRGB)

	MCFG_PALETTE_ADD("tx_palette", 0x800/4) // text
	MCFG_PALETTE_FORMAT(XRGB)

	MCFG_PALETTE_ADD("bg_palette", 0x2000/4) // bg
	MCFG_PALETTE_FORMAT(XRGB)

	MCFG_NVRAM_ADD_0FILL("sram")

	MCFG_SPEAKER_STANDARD_STEREO("lspeaker", "rspeaker")
	MCFG_YMZ774_ADD("ymz774", 16384000) // is clock correct ?
	MCFG_SOUND_ROUTE(0, "lspeaker", 1.0)
	MCFG_SOUND_ROUTE(1, "rspeaker", 1.0)
MACHINE_CONFIG_END

/* using macros for the video / sound roms because the locations never change between sets, and
   we're going to have a LOT of clones to cover all the internal rom regions and external rom revision
   combinations, so it keeps things readable */

// Oriental Legend 2

#define ORLEG2_VIDEO_SOUND_ROMS \
	ROM_REGION( 0x200000, "tiles", ROMREGION_ERASEFF ) \
	ROM_LOAD( "ig-a_text.u4",            0x00000000, 0x0200000, CRC(fa444c32) SHA1(31e5e3efa92d52bf9ab97a0ece51e3b77f52ce8a) ) \
	\
	ROM_REGION( 0x1000000, "bgtile", 0 ) \
	ROM_LOAD32_WORD( "ig-a_bgl.u35",     0x00000000, 0x0800000, CRC(083a8315) SHA1(0dba25e132fbb12faa59ced648c27b881dc73478) ) \
	ROM_LOAD32_WORD( "ig-a_bgh.u36",     0x00000002, 0x0800000, CRC(e197221d) SHA1(5574b1e3da4b202db725be906dd868edc2fd4634) ) \
	\
	ROM_REGION( 0x2000000, "sprites_mask", 0 ) /* 1bpp sprite mask data (packed) */ \
	ROM_LOAD32_WORD( "ig-a_bml.u12",     0x00000000, 0x1000000, CRC(113a331c) SHA1(ee6b31bb2b052cc8799573de0d2f0a83f0ab4f6a) ) \
	ROM_LOAD32_WORD( "ig-a_bmh.u16",     0x00000002, 0x1000000, CRC(fbf411c8) SHA1(5089b5cc9bbf6496ef1367c6255e63e9ab895117) ) \
	\
	ROM_REGION( 0x4000000, "sprites_colour", 0 ) /* sprite colour data (6bpp data, 2 bits unused except for 4 bytes that are randomly 0xff - check dump?) */ \
	ROM_LOAD32_WORD( "ig-a_cgl.u18",     0x00000000, 0x2000000, BAD_DUMP CRC(43501fa6) SHA1(58ccce6d393964b771fec3f5c583e3ede57482a3) ) \
	ROM_LOAD32_WORD( "ig-a_cgh.u26",     0x00000002, 0x2000000, BAD_DUMP CRC(7051d020) SHA1(3d9b24c6fda4c9699bb9f00742e0888059b623e1) ) \
	\
	ROM_REGION( 0x1000000, "ymz774", ROMREGION_ERASEFF ) /* ymz770 */ \
	ROM_LOAD16_WORD_SWAP( "ig-a_sp.u2",  0x00000000, 0x1000000, CRC(8250688c) SHA1(d2488477afc528aeee96826065deba2bce4f0a7d) ) \
	\
	ROM_REGION( 0x10000, "sram", 0 ) \
	ROM_LOAD( "xyj2_nvram",            0x00000000, 0x10000, CRC(ccccc71c) SHA1(585b5ccbf89dd28d8532da785d7c8af12f31c6d6) )

#define ORLEG2_PROGRAM_104 \
	ROM_REGION( 0x1000000, "user1", 0 ) \
	ROM_LOAD( "xyj2_v104cn.u7",          0x00000000, 0x0800000, CRC(7c24a4f5) SHA1(3cd9f9264ef2aad0869afdf096e88eb8d74b2570) )

#define ORLEG2_PROGRAM_103 \
	ROM_REGION( 0x1000000, "user1", 0 ) \
	ROM_LOAD( "xyj2_v103cn.u7",  0x000000, 0x800000, CRC(21c1fae8) SHA1(36eeb7a5e8dc8ee7c834f3ff1173c28cf6c2f1a3) )

#define ORLEG2_PROGRAM_101 \
	ROM_REGION( 0x1000000, "user1", 0 ) \
	ROM_LOAD( "xyj2_v101cn.u7",  0x000000, 0x800000, CRC(45805b53) SHA1(f2a8399c821b75fadc53e914f6f318707e70787c) )

#define ORLEG2_INTERNAL_CHINA \
	ROM_REGION( 0x04000, "maincpu", 0 ) \
	/* Offset 3cb8 of the internal rom controls the region, however only China is dumped at the moment.  Overseas (English) external ROM is confirmed to match (with FA rom label extensions) but th Internal rom might differ by more than the region byte so needs dumping */ \
	ROM_LOAD( "xyj2_igs036_china.rom", 0x00000000, 0x0004000, CRC(bcce7641) SHA1(c3b5cf6e9f6eae09b6785314777a52b34c3c7657) )

ROM_START( orleg2 )
	ORLEG2_INTERNAL_CHINA
	ORLEG2_PROGRAM_104
	ORLEG2_VIDEO_SOUND_ROMS
ROM_END

ROM_START( orleg2_103 )
	ORLEG2_INTERNAL_CHINA
	ORLEG2_PROGRAM_103
	ORLEG2_VIDEO_SOUND_ROMS
ROM_END

ROM_START( orleg2_101 )
	ORLEG2_INTERNAL_CHINA
	ORLEG2_PROGRAM_101
	ORLEG2_VIDEO_SOUND_ROMS
ROM_END

// Knights of Valour 2 New Legend

#define KOV2NL_VIDEO_SOUND_ROMS \
	ROM_REGION( 0x200000, "tiles", ROMREGION_ERASEFF ) \
	ROM_LOAD( "ig-a3_text.u4",           0x00000000, 0x0200000, CRC(214530ff) SHA1(4231a02054b0345392a077042b95779fd45d6c22) ) \
	\
	ROM_REGION( 0x1000000, "bgtile", 0 ) \
	ROM_LOAD32_WORD( "ig-a3_bgl.u35",    0x00000000, 0x0800000, CRC(2d46b1f6) SHA1(ea8c805eda6292e86a642e9633d8fee7054d10b1) ) \
	ROM_LOAD32_WORD( "ig-a3_bgh.u36",    0x00000002, 0x0800000, CRC(df710c36) SHA1(f826c3f496c4f17b46d18af1d8e02cac7b7027ac) ) \
	\
	ROM_REGION( 0x2000000, "sprites_mask", 0 ) /* 1bpp sprite mask data */ \
	ROM_LOAD32_WORD( "ig-a3_bml.u12",    0x00000000, 0x1000000, CRC(0bf63836) SHA1(b8e4f1951f8074b475b795bd7840c5a375b6f5ef) ) \
	ROM_LOAD32_WORD( "ig-a3_bmh.u16",    0x00000002, 0x1000000, CRC(4a378542) SHA1(5d06a8a8796285a786ebb690c34610f923ef5570) ) \
	\
	ROM_REGION( 0x4000000, "sprites_colour", 0 ) /* sprite colour data */ \
	ROM_LOAD32_WORD( "ig-a3_cgl.u18",    0x00000000, 0x2000000, CRC(8d923e1f) SHA1(14371cf385dd8857017d3111cd4710f4291b1ae2) ) \
	ROM_LOAD32_WORD( "ig-a3_cgh.u26",    0x00000002, 0x2000000, CRC(5b6fbf3f) SHA1(d1f52e230b91ee6cde939d7c2b74da7fd6527e73) ) \
	\
	ROM_REGION( 0x2000000, "ymz774", ROMREGION_ERASEFF ) /* ymz770 */ \
	ROM_LOAD16_WORD_SWAP( "ig-a3_sp.u37",            0x00000000, 0x2000000, CRC(45cdf422) SHA1(8005d284bcee73cff37a147fcd1c3e9f039a7203) ) \
	\
	ROM_REGION(0x10000, "sram", 0) \
	ROM_LOAD("gsyx_nvram", 0x00000000, 0x10000, CRC(22400c16) SHA1(f775a16299c30f2ce23d683161b910e06eff37c1) )

#define KOV2NL_PROGRAM_302 \
	ROM_REGION( 0x1000000, "user1", 0 ) \
	ROM_LOAD("gsyx_v302cn.u7", 0x00000000, 0x0800000, CRC(b19cf540) SHA1(25da5804bbfd7ef2cdf5cc5aabaa803d18b98929) )

#define KOV2NL_PROGRAM_301 \
	ROM_REGION( 0x1000000, "user1", 0 ) \
	ROM_LOAD("gsyx_v301cn.u7", 0x000000, 0x800000, CRC(c4595c2c) SHA1(09e379556ef76f81a63664f46d3f1415b315f384) )

#define KOV2NL_PROGRAM_300 \
	ROM_REGION( 0x1000000, "user1", 0 ) \
	ROM_LOAD("gsyx_v300tw.u7", 0x000000, 0x800000, CRC(08da7552) SHA1(303b97d7694405474c8133a259303ccb49db48b1) )

#define KOV2NL_INTERNAL_CHINA \
	ROM_REGION( 0x04000, "maincpu", 0 ) \
	ROM_LOAD( "gsyx_igs036_china.rom", 0x00000000, 0x0004000, CRC(e09fe4ce) SHA1(c0cac64ef8727cbe79d503ec4df66ddb6f2c925e) )

ROM_START( kov2nl )
	KOV2NL_INTERNAL_CHINA
	KOV2NL_PROGRAM_302
	KOV2NL_VIDEO_SOUND_ROMS
ROM_END

ROM_START( kov2nl_301 )
	KOV2NL_INTERNAL_CHINA
	KOV2NL_PROGRAM_301
	KOV2NL_VIDEO_SOUND_ROMS
ROM_END

ROM_START( kov2nl_300 )
	KOV2NL_INTERNAL_CHINA
	KOV2NL_PROGRAM_300
	KOV2NL_VIDEO_SOUND_ROMS
ROM_END

// Dodonpachi Daioujou Tamashii

#define DDPDOJH_VIDEO_SOUND_ROMS \
	ROM_REGION( 0x200000, "tiles", ROMREGION_ERASEFF ) \
	ROM_LOAD( "ddpdoj_text.u1",          0x00000000, 0x0200000, CRC(f18141d1) SHA1(a16e0a76bc926a158bb92dfd35aca749c569ef50) ) \
	\
	ROM_REGION( 0x2000000, "bgtile", 0 ) \
	ROM_LOAD32_WORD( "ddpdoj_bgl.u23",   0x00000000, 0x1000000, CRC(ff65fdab) SHA1(abdd5ca43599a2daa722547a999119123dd9bb28) ) \
	ROM_LOAD32_WORD( "ddpdoj_bgh.u24",   0x00000002, 0x1000000, CRC(bb84d2a6) SHA1(a576a729831b5946287fa8f0d923016f43a9bedb) ) \
	\
	ROM_REGION( 0x1000000, "sprites_mask", 0 ) /* 1bpp sprite mask data */ \
	ROM_LOAD32_WORD( "ddpdoj_mapl0.u13", 0x00000000, 0x800000, CRC(bcfbb0fc) SHA1(9ec478eba9905913cf997bd9b46c70c1ad383630) ) \
	ROM_LOAD32_WORD( "ddpdoj_maph0.u15", 0x00000002, 0x800000, CRC(0cc75d4e) SHA1(6d1b5ef0fdebf1e84fa199b939ffa07b810b12c9) ) \
	\
	ROM_REGION( 0x2000000, "sprites_colour", 0 ) /* sprite colour data */ \
	ROM_LOAD32_WORD( "ddpdoj_spa0.u9",   0x00000000, 0x1000000, CRC(1232c1b4) SHA1(ecc1c549ae19d2f052a85fe4a993608aedf49a25) ) \
	ROM_LOAD32_WORD( "ddpdoj_spb0.u18",  0x00000002, 0x1000000, CRC(6a9e2cbf) SHA1(8e0a4ea90f5ef534820303d62f0873f8ac9f080e) ) \
	\
	ROM_REGION( 0x1000000, "ymz774", ROMREGION_ERASEFF ) /* ymz770 */ \
	ROM_LOAD16_WORD_SWAP( "ddpdoj_wave0.u12",        0x00000000, 0x1000000, CRC(2b71a324) SHA1(f69076cc561f40ca564d804bc7bd455066f8d77c) )

ROM_START( ddpdojh )
	ROM_REGION( 0x04000, "maincpu", 0 )
	ROM_LOAD( "ddpdoj_igs036.rom",       0x00000000, 0x0004000, NO_DUMP ) // CRC(5db91464) SHA1(723d8086285805bd815e62120dfa9a4269bcd932)

	ROM_REGION( 0x1000000, "user1", 0 )
	ROM_LOAD( "ddpdoj_v201cn.u4",        0x00000000, 0x0200000, CRC(89e4b760) SHA1(9fad1309da31d12a413731b416a8bbfdb304ed9e) )

	DDPDOJH_VIDEO_SOUND_ROMS
ROM_END

// Knights of Valour 3

/*
   The Kov3 Program rom is a module consisting of a NOR flash and a FPGA, this provides an extra layer of encryption on top of the usual
   that is only unlocked when the correct sequence is recieved from the ARM MCU (IGS036)

   Newer gambling games use the same modules.
*/

#define KOV3_VIDEO_SOUND_ROMS \
	ROM_REGION( 0x200000, "tiles", ROMREGION_ERASEFF ) \
	ROM_LOAD( "kov3_text.u1",            0x00000000, 0x0200000, CRC(198b52d6) SHA1(e4502abe7ba01053d16c02114f0c88a3f52f6f40) ) \
	\
	ROM_REGION( 0x2000000, "bgtile", 0 ) \
	ROM_LOAD32_WORD( "kov3_bgl.u6",      0x00000000, 0x1000000, CRC(49a4c5bc) SHA1(26b7da91067bda196252520e9b4893361c2fc675) ) \
	ROM_LOAD32_WORD( "kov3_bgh.u7",      0x00000002, 0x1000000, CRC(adc1aff1) SHA1(b10490f0dbef9905cdb064168c529f0b5a2b28b8) ) \
	\
	ROM_REGION( 0x4000000, "sprites_mask", 0 ) /* 1bpp sprite mask data */ \
	ROM_LOAD32_WORD( "kov3_mapl0.u15",   0x00000000, 0x2000000, CRC(9e569bf7) SHA1(03d26e000e9d8e744546be9649628d2130f2ec4c) ) \
	ROM_LOAD32_WORD( "kov3_maph0.u16",   0x00000002, 0x2000000, CRC(6f200ad8) SHA1(cd12c136d4f5d424bd7daeeacd5c4127beb3d565) ) \
	\
	ROM_REGION( 0x8000000, "sprites_colour", 0 ) /* sprite colour data */ \
	ROM_LOAD32_WORD( "kov3_spa0.u17",    0x00000000, 0x4000000, CRC(3a1e58a9) SHA1(6ba251407c69ee62f7ea0baae91bc133acc70c6f) ) \
	ROM_LOAD32_WORD( "kov3_spb0.u10",    0x00000002, 0x4000000, CRC(90396065) SHA1(01bf9f69d77a792d5b39afbba70fbfa098e194f1) ) \
	\
	ROM_REGION( 0x4000000, "ymz774", ROMREGION_ERASEFF ) /* ymz770 */ \
	ROM_LOAD16_WORD_SWAP( "kov3_wave0.u13",              0x00000000, 0x4000000, CRC(aa639152) SHA1(2314c6bd05524525a31a2a4668a36a938b924ba4) )

ROM_START( kov3 )
	ROM_REGION( 0x04000, "maincpu", 0 )
	ROM_LOAD( "kov3_igs036.rom",         0x00000000, 0x0004000, NO_DUMP ) // CRC(c7d33764) SHA1(5cd48f876e637d60391d39ac6e40bf243300cc75)

	ROM_REGION( 0x1000000, "user1", 0 )
	ROM_LOAD( "kov3_v104cn_raw.bin",         0x00000000, 0x0800000, CRC(1b5cbd24) SHA1(6471d4842a08f404420dea2bd1c8b88798c80fd5) )

	KOV3_VIDEO_SOUND_ROMS
ROM_END

ROM_START( kov3_102 )
	ROM_REGION( 0x04000, "maincpu", 0 )
	ROM_LOAD( "kov3_igs036.rom",         0x00000000, 0x0004000, NO_DUMP )

	ROM_REGION( 0x1000000, "user1", 0 )
	ROM_LOAD( "kov3_v102cn_raw.bin",         0x00000000, 0x0800000, CRC(61d0dabd) SHA1(959b22ef4e342ca39c2386549ac7274f9d580ab8) )

	KOV3_VIDEO_SOUND_ROMS
ROM_END

ROM_START( kov3_100 )
	ROM_REGION( 0x04000, "maincpu", 0 )
	ROM_LOAD( "kov3_igs036.rom",         0x00000000, 0x0004000, NO_DUMP )

	ROM_REGION( 0x1000000, "user1", 0 )
	ROM_LOAD( "kov3_v100cn_raw.bin",         0x00000000, 0x0800000, CRC(93bca924) SHA1(ecaf2c4676eb3d9f5e4fdbd9388be41e51afa0e4) )

	KOV3_VIDEO_SOUND_ROMS
ROM_END

/* King of Fighters '98: Ultimate Match HERO

device types were as follows

kof98umh_v100cn.u4  SAMSUNG K8Q2815UQB
ig-d3_text.u1       cFeon EN29LV160AB
all others:         SPANSION S99-50070

*/

#define KOF98UMH_VIDEO_SOUND_ROMS \
	ROM_REGION( 0x200000, "tiles", ROMREGION_ERASEFF ) \
	ROM_LOAD( "ig-d3_text.u1",          0x00000000, 0x0200000, CRC(9a0ea82e) SHA1(7844fd7e46c3fbb2164060f160da528254fd177e) ) \
	\
	ROM_REGION( 0x2000000, "bgtile", ROMREGION_ERASEFF ) \
	/* bgl/bgh unpopulated (no background tilemap) */ \
	\
	ROM_REGION( 0x08000000, "sprites_mask", 0 ) /* 1bpp sprite mask data */ \
	ROM_LOAD32_WORD( "ig-d3_mapl0.u13", 0x00000000, 0x4000000, CRC(5571d63e) SHA1(dad73797a35738013d82e3b8ca96fa001ec56f69) ) \
	ROM_LOAD32_WORD( "ig-d3_maph0.u15", 0x00000002, 0x4000000, CRC(0da7b1b8) SHA1(87741242bd827eca3788b490df6dcb65f7a89733) ) \
	\
	ROM_REGION( 0x20000000, "sprites_colour", 0 ) /* sprite colour data - some byte are 0x40 or even 0xff, but verified on 2 boards */ \
	ROM_LOAD32_WORD( "ig-d3_spa0.u9",   0x00000000, 0x4000000, CRC(cfef8f7d) SHA1(54f58d1b9eb7d2e4bbe13fbdfd98f5b14ce2086b) ) \
	ROM_LOAD32_WORD( "ig-d3_spb0.u18",  0x00000002, 0x4000000, CRC(f199d5c8) SHA1(91f5e8efd1f6a9e5aada51afdf5a8f52bac24185) ) \
	/* spa1/spb1 unpopulated */ \
	ROM_LOAD32_WORD( "ig-d3_spa2.u10",  0x10000000, 0x4000000, CRC(03bfd35c) SHA1(814998cd5ee01c9da775b73f7a0ba4216fe4970e) ) \
	ROM_LOAD32_WORD( "ig-d3_spb2.u20",  0x10000002, 0x4000000, CRC(9aaa840b) SHA1(3c6078d53bb5eca5c501540214287dd102102ea1) ) \
	/* spa3/spb3 unpopulated */ \
	\
	ROM_REGION( 0x08000000, "ymz774", ROMREGION_ERASEFF ) /* ymz770 */ \
	ROM_LOAD16_WORD_SWAP( "ig-d3_wave0.u12",        0x00000000, 0x4000000, CRC(edf2332d) SHA1(7e01c7e03e515814d7de117c265c3668d32842fa) ) \
	ROM_LOAD16_WORD_SWAP( "ig-d3_wave1.u11",        0x04000000, 0x4000000, CRC(62321b20) SHA1(a388c8a2489430fbe92fb26b3ef81c66ce97f318) )

ROM_START( kof98umh )
	ROM_REGION( 0x04000, "maincpu", 0 )
	ROM_LOAD( "kof98uhm_igs036.rom",       0x00000000, 0x0004000, NO_DUMP ) // CRC(3ed2e50f) SHA1(35310045d375d9dda36c325e35257123a7b5b8c7)

	ROM_REGION( 0x1000000, "user1", 0 )
	ROM_LOAD( "kof98umh_v100cn.u4",        0x00000000, 0x1000000, CRC(2ea91e3b) SHA1(5a586bb99cc4f1b02e0db462d5aff721512e0640) )

	KOF98UMH_VIDEO_SOUND_ROMS
ROM_END

static void iga_u16_decode(uint16_t *rom, int len, int ixor)
{
	int i;

	for (i = 1; i < len / 2; i+=2)
	{
		uint16_t x = ixor;

		if ( (i>>1) & 0x000001) x ^= 0x0010;
		if ( (i>>1) & 0x000002) x ^= 0x2004;
		if ( (i>>1) & 0x000004) x ^= 0x0801;
		if ( (i>>1) & 0x000008) x ^= 0x0300;
		if ( (i>>1) & 0x000010) x ^= 0x0080;
		if ( (i>>1) & 0x000020) x ^= 0x0020;
		if ( (i>>1) & 0x000040) x ^= 0x4008;
		if ( (i>>1) & 0x000080) x ^= 0x1002;
		if ( (i>>1) & 0x000100) x ^= 0x0400;
		if ( (i>>1) & 0x000200) x ^= 0x0040;
		if ( (i>>1) & 0x000400) x ^= 0x8000;

		rom[i] ^= x;
		rom[i] = BITSWAP16(rom[i], 8,9,10,11,12,13,14,15,0,1,2,3,4,5,6,7);
	}
}

static void iga_u12_decode(uint16_t* rom, int len, int ixor)
{
	int i;

	for (i = 0; i < len / 2; i+=2)
	{
		uint16_t x = ixor;

		if ( (i>>1) & 0x000001) x ^= 0x9004;
		if ( (i>>1) & 0x000002) x ^= 0x0028;
		if ( (i>>1) & 0x000004) x ^= 0x0182;
		if ( (i>>1) & 0x000008) x ^= 0x0010;
		if ( (i>>1) & 0x000010) x ^= 0x2040;
		if ( (i>>1) & 0x000020) x ^= 0x0801;
		if ( (i>>1) & 0x000040) x ^= 0x0000;
		if ( (i>>1) & 0x000080) x ^= 0x0000;
		if ( (i>>1) & 0x000100) x ^= 0x4000;
		if ( (i>>1) & 0x000200) x ^= 0x0600;
		if ( (i>>1) & 0x000400) x ^= 0x0000;

		rom[i] ^= x;
		rom[i] = BITSWAP16(rom[i], 8,9,10,11,12,13,14,15,0,1,2,3,4,5,6,7);
	}
}

static void sprite_colour_decode(uint16_t* rom, int len)
{
	int i;

	for (i = 0; i < len / 2; i++)
	{
		rom[i] = BITSWAP16(rom[i], 15, 14, /* unused - 6bpp */
								   13, 12, 11,
								   5, 4, 3,
								   7, 6, /* unused - 6bpp */
								   10, 9, 8,
								   2, 1, 0  );
	}
}

READ32_MEMBER(pgm2_state::orleg2_speedup_r)
{
	int pc = space.device().safe_pc();
	if ((pc == 0x1002faec) || (pc == 0x1002f9b8))
	{
		if ((m_mainram[0x20114 / 4] == 0x00) && (m_mainram[0x20118 / 4] == 0x00))
			space.device().execute().spin_until_interrupt();
	}
	/*else
	{
	    printf("pc is %08x\n", pc);
	}*/

	return m_mainram[0x20114 / 4];
}

READ32_MEMBER(pgm2_state::kov2nl_speedup_r)
{
	int pc = space.device().safe_pc();

	if ((pc == 0x10053a94) || (pc == 0x1005332c) || (pc == 0x1005327c))
	{
		if ((m_mainram[0x20470 / 4] == 0x00) && (m_mainram[0x20474 / 4] == 0x00))
			space.device().execute().spin_until_interrupt();
	}
	/*
	else
	{
	    printf("pc is %08x\n", pc);
	}
	*/

	return m_mainram[0x20470 / 4];
}



DRIVER_INIT_MEMBER(pgm2_state,orleg2)
{
	uint16_t *src = (uint16_t *)memregion("sprites_mask")->base();

	iga_u12_decode(src, 0x2000000, 0x4761);
	iga_u16_decode(src, 0x2000000, 0xc79f);

	src = (uint16_t *)memregion("sprites_colour")->base();
	sprite_colour_decode(src, 0x4000000);

	igs036_decryptor decrypter(orleg2_key);
	decrypter.decrypter_rom(memregion("user1"));

	machine().device("maincpu")->memory().space(AS_PROGRAM).install_read_handler(0x20020114, 0x20020117, read32_delegate(FUNC(pgm2_state::orleg2_speedup_r),this));

	/* HACK!
	   patch out an ingame assert that ends up being triggered after the 5 element / fire chariot boss due to an invalid value in R3
	   todo: why does this happen? ARM core bug? is patching out the assert actually safe? game continues as normal like this, but there could be memory corruption.
	*/
	uint16_t* rom;
	rom = (uint16_t*)memregion("user1")->base();
	int hackaddress = -1;

	if (rom[0x12620 / 2] == 0xd301) // 104 / 103
	{
		hackaddress = 0x12620; // RAM: 10012620
	}
	else if (rom[0x1257C / 2] == 0xd301) // 101
	{
		hackaddress = 0x1257C;
	}

	if (hackaddress != -1)
	{
		rom[(hackaddress + 2) / 2] = 0x2300;
		rom[(hackaddress + 4) / 2] = 0x2300;
		rom = (uint16_t*)memregion("maincpu")->base(); // BEQ -> BNE for checksum
		rom[0x39f2 / 2] = 0x1a00;

		// set a breakpoint on 0x10000000 + hackaddress to see when it triggers
	}
	else
	{
		fatalerror("no patch for this set \n");
	}

}

DRIVER_INIT_MEMBER(pgm2_state,kov2nl)
{
	uint16_t *src = (uint16_t *)memregion("sprites_mask")->base();

	iga_u12_decode(src, 0x2000000, 0xa193);
	iga_u16_decode(src, 0x2000000, 0xb780);

	src = (uint16_t *)memregion("sprites_colour")->base();
	sprite_colour_decode(src, 0x4000000);

	igs036_decryptor decrypter(kov2_key);
	decrypter.decrypter_rom(memregion("user1"));

	machine().device("maincpu")->memory().space(AS_PROGRAM).install_read_handler(0x20020470, 0x20020473, read32_delegate(FUNC(pgm2_state::kov2nl_speedup_r), this));
}

DRIVER_INIT_MEMBER(pgm2_state,ddpdojh)
{
	uint16_t *src = (uint16_t *)memregion("sprites_mask")->base();

	iga_u12_decode(src, 0x1000000, 0x1e96);
	iga_u16_decode(src, 0x1000000, 0x869c);

	src = (uint16_t *)memregion("sprites_colour")->base();
	sprite_colour_decode(src, 0x2000000);

	igs036_decryptor decrypter(ddpdoj_key);
	decrypter.decrypter_rom(memregion("user1"));
}

DRIVER_INIT_MEMBER(pgm2_state,kov3)
{
	uint16_t *src = (uint16_t *)memregion("sprites_mask")->base();

	iga_u12_decode(src, 0x4000000, 0x956d);
	iga_u16_decode(src, 0x4000000, 0x3d17);

	src = (uint16_t *)memregion("sprites_colour")->base();
	sprite_colour_decode(src, 0x8000000);

	igs036_decryptor decrypter(kov3_key);
	decrypter.decrypter_rom(memregion("user1"));
}

void pgm2_state::decrypt_kov3_module(uint32_t addrxor, uint16_t dataxor)
{
	uint16_t *src = (uint16_t *)memregion("user1")->base();
	uint32_t size = memregion("user1")->bytes();

	std::vector<uint16_t> buffer(size/2);

	for (int i = 0; i < size/2; i++)
		buffer[i] = src[i^addrxor]^dataxor;

	memcpy(src, &buffer[0], size);
}

DRIVER_INIT_MEMBER(pgm2_state, kov3_104)
{
	decrypt_kov3_module(0x18ec71, 0xb89d);
	DRIVER_INIT_CALL(kov3);
}

DRIVER_INIT_MEMBER(pgm2_state, kov3_102)
{
	decrypt_kov3_module(0x021d37, 0x81d0);
	DRIVER_INIT_CALL(kov3);
}

DRIVER_INIT_MEMBER(pgm2_state, kov3_100)
{
	decrypt_kov3_module(0x3e8aa8, 0xc530);
	DRIVER_INIT_CALL(kov3);
}

DRIVER_INIT_MEMBER(pgm2_state,kof98umh)
{
	uint16_t *src = (uint16_t *)memregion("sprites_mask")->base();

	iga_u12_decode(src, 0x08000000, 0x1e96); // wrong
	iga_u16_decode(src, 0x08000000, 0x869c); // wrong

	src = (uint16_t *)memregion("sprites_colour")->base();
	sprite_colour_decode(src, 0x20000000);

	igs036_decryptor decrypter(kof98umh_key);
	decrypter.decrypter_rom(memregion("user1"));
}

/* PGM2 */

// Oriental Legend 2 - should be a V102 and V100 too
GAME( 2007, orleg2,       0,         pgm2,    pgm2, pgm2_state,     orleg2,       ROT0, "IGS", "Oriental Legend 2 (V104, China)", MACHINE_NOT_WORKING )
GAME( 2007, orleg2_103,   orleg2,    pgm2,    pgm2, pgm2_state,     orleg2,       ROT0, "IGS", "Oriental Legend 2 (V103, China)", MACHINE_NOT_WORKING )
GAME( 2007, orleg2_101,   orleg2,    pgm2,    pgm2, pgm2_state,     orleg2,       ROT0, "IGS", "Oriental Legend 2 (V101, China)", MACHINE_NOT_WORKING )

// Knights of Valour 2 New Legend
GAME( 2008, kov2nl,       0,         pgm2,    pgm2, pgm2_state,     kov2nl,       ROT0, "IGS", "Knights of Valour 2 New Legend (V302, China)", MACHINE_NOT_WORKING )
GAME( 2008, kov2nl_301,   kov2nl,    pgm2,    pgm2, pgm2_state,     kov2nl,       ROT0, "IGS", "Knights of Valour 2 New Legend (V301, China)", MACHINE_NOT_WORKING )
GAME( 2008, kov2nl_300,   kov2nl,    pgm2,    pgm2, pgm2_state,     kov2nl,       ROT0, "IGS", "Knights of Valour 2 New Legend (V300, China)", MACHINE_NOT_WORKING ) // was dumped from a Taiwan board tho

// Dodonpachi Daioujou Tamashii - should be a V200 too
GAME( 2010, ddpdojh,      0,    pgm2,    pgm2, pgm2_state,     ddpdojh,    ROT270, "IGS", "Dodonpachi Daioujou Tamashii (V201, China)", MACHINE_NOT_WORKING )

// Knights of Valour 3 - should be a V103 and V101 too
GAME( 2011, kov3,         0,    pgm2,    pgm2, pgm2_state,     kov3_104,   ROT0, "IGS", "Knights of Valour 3 (V104, China)", MACHINE_NOT_WORKING )
GAME( 2011, kov3_102,     kov3, pgm2,    pgm2, pgm2_state,     kov3_102,   ROT0, "IGS", "Knights of Valour 3 (V102, China)", MACHINE_NOT_WORKING )
GAME( 2011, kov3_100,     kov3, pgm2,    pgm2, pgm2_state,     kov3_100,   ROT0, "IGS", "Knights of Valour 3 (V100, China)", MACHINE_NOT_WORKING )

// King of Fighters '98: Ultimate Match Hero
GAME( 2009, kof98umh,     0,    pgm2,    pgm2, pgm2_state,     kof98umh,   ROT0, "IGS / SNK Playmore / NewChannel", "The King of Fighters '98: Ultimate Match HERO (China, V100, 09-08-23)", MACHINE_NOT_WORKING )

// Jigsaw World Arena

// Puzzle of Ocha / Ochainu No Pazuru