text: /***************************************************************************
  
  X Tom 3D
  
  This game runs on PC-based hardware.
  Major components are....
  
  MAIN BOARD
  ----------
      CPU: Intel Celeron (socket 370) 333MHz
  Chipset: Intel AGPset FW822443ZX, PCIset FW82371EB
      RAM: Samsung KMM366S823CTS 8M x 64-bit SDRAM DIMM
    Video: 3DFX 500-0013-04 PCB-mounted BGA
           EliteMT M32L1632512A video RAM (x4)
           14.31818MHz XTAL
     BIOS: Atmel 29C010 flash ROM
    Other: Holtek HT6542B i8042-based keyboard controller
           3V coin battery
  
  SOUND BOARD
  -----------
  A40MX04 QFP84 CPLD
  Yamaha YMZ280B + YAC516
  16MHz XTAL
  PIC12C508 (secured, not read)
  Atmel 93C46 EEPROM
  LM358 OP AMP (x3)
  
  ROM BOARD
  ---------
  MX29F1610MC 16M FlashROM (x7)
  
  ***************************************************************************/
  
  #include "emu.h"
  #include "cpu/i386/i386.h"
  #include "memconv.h"
  #include "devconv.h"
  #include "machine/8237dma.h"
  #include "machine/pic8259.h"
  #include "machine/pit8253.h"
  #include "machine/mc146818.h"
  #include "machine/pcshare.h"
  #include "machine/pci.h"
  #include "machine/8042kbdc.h"
  #include "machine/pckeybrd.h"
  #include "machine/idectrl.h"
  
  
  class xtom3d_state : public driver_device
  {
  public:
  	xtom3d_state(const machine_config &mconfig, device_type type, const char *tag)
  		: driver_device(mconfig, type, tag) { }
  
  };
  
  
  static VIDEO_START(xtom3d)
  {
  }
  
  static SCREEN_UPDATE(xtom3d)
  {
  	return 0;
  }
  
  static ADDRESS_MAP_START(xtom3d_map, AS_PROGRAM, 32)
  	AM_RANGE(0x00000000, 0x0009ffff) AM_RAM
  	AM_RANGE(0xfffc0000, 0xffffffff) AM_ROM AM_REGION("user1", 0)	/* System BIOS */
  ADDRESS_MAP_END
  
  static ADDRESS_MAP_START(xtom3d_io, AS_IO, 32)
  ADDRESS_MAP_END
  
  static INPUT_PORTS_START( xtom3d )
  INPUT_PORTS_END
  
  static MACHINE_CONFIG_START( xtom3d, xtom3d_state )
  	MCFG_CPU_ADD("maincpu", PENTIUM, 450000000)	// actually Pentium II 450
  	MCFG_CPU_PROGRAM_MAP(xtom3d_map)
  	MCFG_CPU_IO_MAP(xtom3d_io)
  
  	/* video hardware */
  	MCFG_SCREEN_ADD("screen", RASTER)
  	MCFG_SCREEN_REFRESH_RATE(60)
  	MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0))
  	MCFG_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
  	MCFG_SCREEN_SIZE(640, 480)
  	MCFG_SCREEN_VISIBLE_AREA(0, 639, 0, 199)
  	MCFG_SCREEN_UPDATE(xtom3d)
  	MCFG_PALETTE_LENGTH(16)
  
  	MCFG_VIDEO_START(xtom3d)
  MACHINE_CONFIG_END
  
  ROM_START( xtom3d )
  	ROM_REGION32_LE(0x40000, "user1", 0)
  	ROM_LOAD( "bios.u22", 0x000000, 0x020000, CRC(f7c58044) SHA1(fd967d009e0d3c8ed9dd7be852946f2b9dee7671) )
  
  	ROM_REGION(0xe00000, "user2", 0)
  	ROM_LOAD( "u3",  0x000000, 0x200000, CRC(f332e030) SHA1(f04fc7fc97e6ada8122ea7d111455043d7cc42df) )
  	ROM_LOAD( "u4",  0x200000, 0x200000, CRC(ac40ea0b) SHA1(6fcb86f493885d62d20df6bddaa1a1b19d478c65) )
  	ROM_LOAD( "u5",  0x400000, 0x200000, CRC(0fb98a20) SHA1(d21f33b0ca65dc6f90a411a9682f960e9c60244c) )
  	ROM_LOAD( "u6",  0x600000, 0x200000, CRC(5c092c58) SHA1(d347e1ed957cc989dc71f4f347af926589ae926d) )
  	ROM_LOAD( "u7",  0x800000, 0x200000, CRC(833c179c) SHA1(586555f5a4066a762fc05a43ef01be9fa202bb7f) )
  	ROM_LOAD( "u19", 0xa00000, 0x200000, CRC(a1ae73d0) SHA1(232c73bfee426b5f651a015c505c26b8ed7176b7) )
  	ROM_LOAD( "u20", 0xc00000, 0x200000, CRC(452131d9) SHA1(f62a0f1a7da9025ac1f7d5de4df90166871ac1e5) )
  ROM_END
  
  GAME(1999, xtom3d, 0, xtom3d, xtom3d, 0, ROT0, "Jamie System Development", "X Tom 3D", GAME_NO_SOUND|GAME_NOT_WORKING)
  