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/*

Konami Viper Hardware Overview (last updated 5th June 2011 10:56pm)

Games on this hardware include:

Konami
Game ID  Year    Game
-------------------------------------------------------------------------------------------------
GK922    2000    Code One Dispatch
G????    2001    ParaParaParadise 2nd Mix
GM941    2001    GTI Club 2
G?A00    2001    Police 911 (USA) / Police 24/7 (World) / Keisatsukan Shinjuku 24ji (Japan)
GKA13    2001    Silent Scope EX (USA/World) / Sogeki (Japan)
G?A29    2001    Mocap Boxing
G?A30    2001    Tsurugi
GMA41    2001    Thrill Drive 2
G?A45    2001    Boxing Mania
G?B11    2001    Police 911 2 (USA) / Police 24/7 2 (World) / Keisatsukan Shinjuku 24ji 2 (Japan)
G?B33    2001    Mocap Golf
G?B41    2001    Jurassic Park 3
G?B4x    2002    Xtrial Racing
G?C09    2002    Mahjong Fight Club
G?C22    2002    World Combat (USA/Japan/Korea) / Warzaid (Europe)

PCB Layout
----------
Early revision - GM941-PWB(A)B (CN13/15/16 not populated and using 941A01 BIOS)
Later revision - GM941-PWB(A)C (with 941B01 BIOS)
Copyright 1999 KONAMI
 |----------------------------------------------------------|
 |            LA4705      6379AL                            |
|-|  TD62064                               14.31818MHz   CN15|
|                  3793-A                                    |
|     |------|                            |--------|         |
|J    |056879|                            |3DFX    |MB81G163222-80
|A    |      |PQR0RV21                    |355-0024|         |
|M    |------|          XC9572XL          |-030    |MB81G163222-80
|M                                        |--------|         |
|A                                    MB81G163222-80         |
|    ADC0838           |------------|          MB81G163222-80|
|    LM358             |MOTOROLA    |                        |
|                      XPC8240LZU200E  33.868MHz         CN13|
|-| PC16552            |            |                        |
 |           PQ30RV21 |            |        CY7C199         |
|-|                    |            |                        |
|                      |------------|        XCS10XL         |
|                 48LC2M32B2   48LC2M32B2                    |
|2                                                           |
|8                                       CN17                |
|W       XC9536(1)  XC9536(2)        |-------------|         |
|A                                   |  DUAL       |         |
|Y                                   |  PCMCIA     |         |
|                     M48T58Y.U39    |  SLOTS      |         |
|                                    |             |         |
|           29F002                   |             |     CN16|
|-|                       DS2430.U37 |             |         |
 | DIP(4)  CN4 CN5 CN7         CN9  |             |  CN12   |
 |----------------------------------|-------------|---------|
Notes:
XPC8240LZU200E - Motorola XPC8240LZU200E MPC8420 PPC603e-based CPU (TBGA352 @ U38). Clock input is 33.868MHz
                Chip rated at 200MHz so likely clock is 33.868 x6 = 203.208MHz
         3DFX - 3DFX Voodoo III 3500 graphics chip with heatsink (BGA @ U54). Clock input 14.31818MHz
                Full markings: 355-0024-030 F26664.10C 0025 20005 TAIWAN 1301
   48LC2M32B2 - Micron Technology 48LC2M32B2-6 2M x32-bit (512k x 32 x 4 banks = 64MB) 166MHz Synchronous
                DRAM (TSOP86 @ U28 & U45)
MB81G163222-80 - Fujitsu MB81G163222-80 256k x 32-bit x 2 banks Synchronous Graphics DRAM (TQFP100 @ U53, U56, U59 & U60)
      CY7C199 - Cypress Semiconductor CY7C199-15VC 32k x8 SRAM (SOJ28 @ U57)
      PC16552 - National Semiconductor PC16552D Dual Universal Asynchronous Receiver/Transmitter with FIFO's (PLCC44 @ U7)
    XC9536(1) - Xilinx XC9536 In-System Programmable CPLD stamped 'M941A1' (PLCC44 @ U17)
    XC9536(2) - Xilinx XC9536 In-System Programmable CPLD stamped 'M941A2' (PLCC44 @ U24)
     XC9572XL - Xilinx XC9572XL High Performance CPLD stamped 'M941A3A' (PLCC44 @ U29)
      XCS10XL - Xilinx XCS10XL Spartan-XL FPGA (TQFP100 @ U55)
       056879 - Konami 056879 custom IC (QFP120 @ U15)
     PQ30RV21 - Sharp PQ30RV21 low-power voltage regulator (5 Volt to 3 Volt)
       LA4705 - Sanyo LA4705 15W 2-channel power amplifier (SIP18)
        LM358 - National Semiconductor LM358 low power dual operational amplifier (SOIC8 @ U14)
       6379AL - NEC uPC6379AL 2-channel 16-bit D/A converter (SOIC8 @ U30)
      ADC0838 - National Semiconductor ADC0838 Serial I/O 8-Bit A/D Converters with Multiplexer Options (SOIC20 @ U13)
       DS2430 - Dallas DS2430 256-bits 1-Wire EEPROM. Has 256 bits x8 EEPROM (32 bytes), 64 bits x8 (8 bytes)
                one-time programmable application register and unique factory-lasered and tested 64-bit
                registration number (8-bit family code + 48-bit serial number + 8-bit CRC tester) (TO-92 @ U37)
                It appears the DS2430 is not protected from reading but the unique silicon serial number isn't
                included in the 40 byte dump.
      M48T58Y - ST Microelectronics M48T58Y Timekeeper RAM (DIP28 @ U39). When this dies (after 10 year lifespan)
                the game will complain with error RTC BAD then reset. The data inside the RTC can not be hand created
                (yet) so to revive the PCB the correct RTC data must be re-programmed to a new RTC and replaced
                on the PCB.
       29F002 - Fujitsu 29F002 256k x8 EEPROM stamped '941B01' (PLCC44 @ U25). Earlier revision stamped '941A01'
      CN4/CN5 - RCA-type network connection jacks
          CN7 - 80 pin connector (unused in all games?)
          CN9 - DIN5 socket for dongle. Dongle is a DIN5 male plug containing a standard DS2430 wired to
                DIN pins 2, 3 & 4. Pin 1 NC, Pin 2 GND, Pin 3 DATA, Pin 4 NC, Pin 5 NC. If the dongle is
                required and plugged in it overrides the DS2430 on the main board. Without the (on-board)
                DS2430 the PCB will complain after the CF check with HARDWARE ERROR. If the DS2430 is not
                correct for the game the error given is RTC BAD even if the RTC is correct. Most games don't require                 a dongle and use the factory DS2430 on the main board.
         CN12 - 4 pin connector (possibly stereo audio output?)
         CN13 - Power connector for plug-in daughterboard
    CN15/CN16 - Multi-pin IDC connectors for plug-in daughterboard (see detail below)
         CN17 - Dual PCMCIA slots. Usually only one slot is used containing a PCMCIA to CF adapter. The entire game
                software resides on the CF card. Games use 32M, 64M and 128M CF cards. In many cases a different
                CF card version of the same game can be swapped and the existing RTC works but sometimes the RTC data
                needs to be re-initialised to factory defaults by entering test mode. Sometimes the game will not boot
                and gives error RTC BAD meaning the RTC is not compatible with the version or the dongle is required.                 See DS2430 above for more info.
       28-WAY - Edge connector used for connecting special controls such as guns etc.
       DIP(4) - 4-position DIP switch. Switch 1 skips the CF check for a faster boot-up. The others appear unused?

The PCB pinout is JAMMA but the analog controls (pots for driving games mostly) connect to pins on the JAMMA connector.
The 2 outer pins of each pot connect to +5V and GND. If the direction of control is opposite to what is expected simply
reverse the wires.
The centre pin of each pot joins to the following pins on the JAMMA connector.....
Pin 25 Parts side  - GAS POT
Pin 25 Solder side - STEERING POT
Pin 26 Parts side  - HANDBRAKE POT (if used, for example Xtrail Racing)
Pin 26 Solder side - BRAKE POT

For the gun games (Jurassic Park III and Warzaid) the gun connects to the 28 way connector like this......
Pin 1 Parts side        - Gun optical input
Pin 2 Parts side        - Ground
Pin 3 Parts side        - +5V
Jamma pin 22 parts side - Gun trigger

Player 2 gun connects to the same pin numbers on the solder side.

Jurassic Park III also uses 2 additional buttons for escaping left and right. These are wired to buttons on the Jamma
connector.


Measurements
------------
X1    - 33.86803MHz
X2    - 14.31700MHz
HSync - 24.48700kHz
VSync - 58.05630Hz


Additional PCBs
---------------

GQA13-PWB(D)
Copyright 2000 KONAMI
         |--------------------|
         | MB81G163222-80     |
         |               40MHz|
         |                 CN4|
         | IP90C63A           |
         |----|            CN2|
              |               |
              |               |
              |               |
              |            CN3|
              |               |
|--------------|               |
|                            |-|
|        IP90C63A            |
|                            |-|
| MB81G163222-80               |
|----------|     XC9536XL  CN1 |
          |----------------|  |
                           |  |
                           |  |
                           | *|
                           |  |
                           |  |
                           |  |
                           |  |
                           |  |
                           |  |
                           |  |
                           |CN5
                           |--|
Notes:
     This PCB is used with Mocap Golf only and drives the 2 external monitors.
     An almost identical PCB is used with Silent Scope EX but the sticker says '15KHz x2' and the
     CPLD is likely different. This most likely drives the small monitor inside the gun sight.

     XC9536XL - Xilinx XC9536 In-System Programmable CPLD stamped 'QB33A1' (PLCC44)
            * - sticker '24KHz x2'
MB81G163222-80 - Fujitsu MB81G163222-80 256k x 32-bit x 2 banks Synchronous Graphics DRAM (TQFP100)
     IP90C63A - i-Chips IP90C63A Video Controller chip (QFP144)
          CN1 - Power connector, plugs into CN13 on main board
      CN2/CN3 - Video output connector to external monitors
      CN4/CN5 - Multi-pin IDC connectors joining to main board CN15/CN16

An additional control PCB is used for Mocap Golf for the golf club sensor. It contains a ROMless MCU, an EPROM and some other components. It will be documented at a later date.

*/

/*
    Konami Viper System

    Driver by Ville Linde

	DASM code snippets:

	00FE0B8C: addi      r31,r3,0x0000
	00FE0B90: lwz       r3,0x0040(r1)
	00FE0B94: cmpi      r31,0x0000 ;offending check, understand where r3 comes from!
	00FE0B98: lwz       r4,0x0044(r1)
	00FE0B9C: addic     r5,r1,0x0058
	00FE0BA0: bne       0x00FE0C00

*/

/*
    Software notes (as per Police 911)
    -- VL - 22.02.2010

    IRQs:

    IRQ0: ???               (Task 4)
    IRQ1: unused
    IRQ2: unused
    IRQ3: ???               (Task 5, sound?)
    IRQ4: Voodoo3           Currently only for User Interrupt Command, maybe a more extensive handler gets installed later?

    I2C:  ???               (no task switch) what drives this? network?
    DMA0: unused
    DMA1: unused
    IIVPR3: unused

    Memory:

    0x000001E0:             Current task
    0x000001E1:             Current FPU task
    0x000001E4:             Scheduled tasks bitvector (bit 31 = task0, etc.)
    0x00000A00...BFF:       Task structures
                            0x00-03:    unknown
                            0x04:       unknown
                            0x05:       if non-zero, this task uses FPU
                            0x06-07:    unknown
                            0x08:       unknown mem pointer, task stack pointer?
                            0x0c:       pointer to task PC (also top of stack?)


    0x00000310:             Global timer 0 IRQ handler
    0x00000320:             Global timer 1 IRQ handler
    0x00000330:             Global timer 2 IRQ handler
    0x00000340:             Global timer 3 IRQ handler
    0x00000350:             IRQ0 handler
    0x00000360:             IRQ1 handler
    0x00000370:             IRQ2 handler
    0x00000380:             IRQ3 handler
    0x00000390:             IRQ4 handler
    0x000003a0:             I2C IRQ handler
    0x000003b0:             DMA0 IRQ handler
    0x000003c0:             DMA1 IRQ handler
    0x000003d0:             Message Unit IRQ handler

    0x000004e4:             Global timer 0 IRQ handler function ptr
    0x000004e8:             Global timer 1 IRQ handler function ptr
    0x000004ec:             Global timer 2 IRQ handler function ptr
    0x000004f0:             Global timer 3 IRQ handler function ptr


    Functions of interest:

    0x0000f7b4:     SwitchTask()
    0x00009d00:     LoadProgram(): R3 = ptr to filename
*/

#include "emu.h"
#include "cpu/powerpc/ppc.h"
#include "machine/pci.h"
#include "memconv.h"
#include "devconv.h"
#include "machine/idectrl.h"
#include "machine/timekpr.h"
#include "video/voodoo.h"

#define VIPER_DEBUG_LOG

static SCREEN_UPDATE(viper)
{
	device_t *device = screen->machine().device("voodoo");
	return voodoo_update(device, bitmap, cliprect) ? 0 : UPDATE_HAS_NOT_CHANGED;
}

class viper_state : public driver_device
{
public:
	viper_state(const machine_config &mconfig, device_type type, const char *tag)
		: driver_device(mconfig, type, tag) { }


	UINT32 m_epic_iack;
	int m_cf_card_ide;
	int m_unk1_bit;
	UINT32 m_voodoo3_pci_reg[0x100];

};

UINT32 m_mpc8240_regs[256/4];

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

static UINT32 mpc8240_pci_r(device_t *busdevice, device_t *device, int function, int reg, UINT32 mem_mask)
{
// device is null?
//  viper_state *state = device->machine().driver_data<viper_state>();
	#ifdef VIPER_DEBUG_LOG
//  printf("MPC8240: PCI read %d, %02X, %08X\n", function, reg, mem_mask);
	#endif

	switch (reg)
	{
	}
	return m_mpc8240_regs[reg/4];
	//return state->m_mpc8240_regs[reg/4];
}

static void mpc8240_pci_w(device_t *busdevice, device_t *device, int function, int reg, UINT32 data, UINT32 mem_mask)
{
// device is null?
//  viper_state *state = device->machine().driver_data<viper_state>();
	#ifdef VIPER_DEBUG_LOG
//  printf("MPC8240: PCI write %d, %02X, %08X, %08X\n", function, reg, data, mem_mask);
	#endif
	COMBINE_DATA(m_mpc8240_regs + (reg/4));
	//COMBINE_DATA(state->m_mpc8240_regs + (reg/4));
}


static READ64_DEVICE_HANDLER( pci_config_addr_r )
{
	return pci_64be_r(device, 0, U64(0xffffffff00000000));
}

static WRITE64_DEVICE_HANDLER( pci_config_addr_w )
{
	pci_64be_w(device, 0, data, U64(0xffffffff00000000));
}

static READ64_DEVICE_HANDLER( pci_config_data_r )
{
	return pci_64be_r(device, 1, U64(0x00000000ffffffff)) << 32;
}

static WRITE64_DEVICE_HANDLER( pci_config_data_w )
{
	pci_64be_w(device, 1, data >> 32, U64(0x00000000ffffffff));
}



/*****************************************************************************/
// MPC8240 Embedded Programmable Interrupt Controller (EPIC)

#define MPC8240_IRQ0				0
#define MPC8240_IRQ1				1
#define MPC8240_IRQ2				2
#define MPC8240_IRQ3				3
#define MPC8240_IRQ4				4
#define MPC8240_IRQ5				5
#define MPC8240_IRQ6				6
#define MPC8240_IRQ7				7
#define MPC8240_IRQ8				8
#define MPC8240_IRQ9				9
#define MPC8240_IRQ10				10
#define MPC8240_IRQ11				11
#define MPC8240_IRQ12				12
#define MPC8240_IRQ13				13
#define MPC8240_IRQ14				14
#define MPC8240_IRQ15				15
#define MPC8240_I2C_IRQ				16
#define MPC8240_DMA0_IRQ			17
#define MPC8240_DMA1_IRQ			18
#define MPC8240_MSG_IRQ				19
#define MPC8240_GTIMER0_IRQ			20
#define MPC8240_GTIMER1_IRQ			21
#define MPC8240_GTIMER2_IRQ			22
#define MPC8240_GTIMER3_IRQ			23

#define MPC8240_NUM_INTERRUPTS		24


typedef struct
{
	UINT32 vector;
	int priority;
	int destination;
	int active;
	int pending;
	int mask;
} MPC8240_IRQ;



typedef struct
{
	UINT32 iack;
	UINT32 eicr;
	UINT32 svr;

	int active_irq;

	MPC8240_IRQ irq[MPC8240_NUM_INTERRUPTS];

} MPC8240_EPIC;


static MPC8240_EPIC epic;


static void epic_update_interrupts(running_machine &machine)
{
	int i;

	int irq = -1;
	int priority = -1;

	// find the highest priority pending interrupt
	for (i=MPC8240_NUM_INTERRUPTS-1; i >= 0; i--)
	{
		if (epic.irq[i].pending)
		{
			if (epic.irq[i].priority > priority)
			{
				irq = i;
				priority = epic.irq[i].priority;
			}
		}
	}

	if (irq >= 0 && epic.active_irq == -1)
	{
		printf("EPIC IRQ%d taken\n", irq);

		epic.active_irq = irq;
		epic.irq[epic.active_irq].pending = 0;
		epic.irq[epic.active_irq].active = 1;

		epic.iack = epic.irq[epic.active_irq].vector;

		printf("vector = %02X\n", epic.iack);

		cputag_set_input_line(machine, "maincpu", INPUT_LINE_IRQ0, ASSERT_LINE);
	}
	else
	{
		cputag_set_input_line(machine, "maincpu", INPUT_LINE_IRQ0, CLEAR_LINE);
	}
}

static READ32_HANDLER( epic_r )
{
	int reg;
	reg = offset * 4;

	//printf("EPIC: read %08X, %08X at %08X\n", reg, mem_mask, activecpu_get_pc());

	switch (reg >> 16)
	{
		// 0x50000 - 0x5FFFF
		case 0x5:
		{
			switch (reg & 0xffff)
			{
				case 0x0200:			// Offset 0x50200 - IRQ0 vector/priority register
				case 0x0220:			// Offset 0x50220 - IRQ1 vector/priority register
				case 0x0240:			// Offset 0x50240 - IRQ2 vector/priority register
				case 0x0260:			// Offset 0x50260 - IRQ3 vector/priority register
				case 0x0280:			// Offset 0x50280 - IRQ4 vector/priority register
				case 0x02a0:			// Offset 0x502a0 - IRQ5 vector/priority register
				case 0x02c0:			// Offset 0x502c0 - IRQ6 vector/priority register
				case 0x02e0:			// Offset 0x502e0 - IRQ7 vector/priority register
				case 0x0300:			// Offset 0x50300 - IRQ8 vector/priority register
				case 0x0320:			// Offset 0x50320 - IRQ9 vector/priority register
				case 0x0340:			// Offset 0x50340 - IRQ10 vector/priority register
				case 0x0360:			// Offset 0x50360 - IRQ11 vector/priority register
				case 0x0380:			// Offset 0x50380 - IRQ12 vector/priority register
				case 0x03a0:			// Offset 0x503a0 - IRQ13 vector/priority register
				case 0x03c0:			// Offset 0x503c0 - IRQ14 vector/priority register
				case 0x03e0:			// Offset 0x503e0 - IRQ15 vector/priority register
				{
					int irq = ((reg & 0xffff) - 0x200) >> 5;
					int value = 0;

					value |= epic.irq[MPC8240_IRQ0 + irq].mask ? 0x80000000 : 0;
					value |= epic.irq[MPC8240_IRQ0 + irq].priority << 16;
					value |= epic.irq[MPC8240_IRQ0 + irq].vector;
					value |= epic.irq[MPC8240_IRQ0 + irq].active ? 0x40000000 : 0;

					return value;
				}
			}
			break;
		}

		// 0x60000 - 0x6FFFF
		case 0x6:
		{
			switch (reg & 0xffff)
			{
				case 0x00a0:			// Offset 0x600A0 - IACK
				{
					epic_update_interrupts(space->machine());

					if (epic.active_irq >= 0)
					{
						return epic.iack;
					}
					else
					{
						// spurious vector register is returned if no pending interrupts
						return epic.svr;
					}
				}

			}
			break;
		}
	}

	return 0;
}

static WRITE32_HANDLER( epic_w )
{
	int reg;
	reg = offset * 4;

	printf("EPIC: write %08X, %08X, %08X at %08X\n", data, reg, mem_mask, cpu_get_pc(&space->device()));

	switch (reg >> 16)
	{
		// 0x40000 - 0x4FFFF
		case 4:
		{
			switch (reg & 0xffff)
			{
				case 0x1030:			// Offset 0x41030 - EICR
				{
					epic.eicr = data;
					if (data & 0x08000000)
						fatalerror("EPIC: serial interrupts mode not implemented");
					break;
				}
				case 0x10e0:			// Offset 0x410E0 - Spurious Vector Register
				{
					epic.svr = data;
					break;
				}
				case 0x1120:			// Offset 0x41120 - Global timer 0 vector/priority register
				case 0x1160:			// Offset 0x41160 - Global timer 1 vector/priority register
				case 0x11a0:			// Offset 0x411A0 - Global timer 2 vector/priority register
				case 0x11e0:			// Offset 0x411E0 - Global timer 3 vector/priority register
				{
					int timer = ((reg & 0xffff) - 0x1120) >> 6;

					epic.irq[MPC8240_GTIMER0_IRQ + timer].mask = (data & 0x80000000) ? 1 : 0;
					epic.irq[MPC8240_GTIMER0_IRQ + timer].priority = (data >> 16) & 0xf;
					epic.irq[MPC8240_GTIMER0_IRQ + timer].vector = data & 0xff;
					break;
				}
				case 0x1130:			// Offset 0x41130 - Global timer 0 destination register
				case 0x1170:			// Offset 0x41170 - Global timer 1 destination register
				case 0x11b0:			// Offset 0x411B0 - Global timer 2 destination register
				case 0x11f0:			// Offset 0x411F0 - Global timer 3 destination register
				{
					int timer = ((reg & 0xffff) - 0x1130) >> 6;

					epic.irq[MPC8240_GTIMER0_IRQ + timer].destination = data & 0x1;
					break;
				}
			}
			break;
		}

		// 0x50000 - 0x5FFFF
		case 0x5:
		{
			switch (reg & 0xffff)
			{
				case 0x0200:			// Offset 0x50200 - IRQ0 vector/priority register
				case 0x0220:			// Offset 0x50220 - IRQ1 vector/priority register
				case 0x0240:			// Offset 0x50240 - IRQ2 vector/priority register
				case 0x0260:			// Offset 0x50260 - IRQ3 vector/priority register
				case 0x0280:			// Offset 0x50280 - IRQ4 vector/priority register
				case 0x02a0:			// Offset 0x502a0 - IRQ5 vector/priority register
				case 0x02c0:			// Offset 0x502c0 - IRQ6 vector/priority register
				case 0x02e0:			// Offset 0x502e0 - IRQ7 vector/priority register
				case 0x0300:			// Offset 0x50300 - IRQ8 vector/priority register
				case 0x0320:			// Offset 0x50320 - IRQ9 vector/priority register
				case 0x0340:			// Offset 0x50340 - IRQ10 vector/priority register
				case 0x0360:			// Offset 0x50360 - IRQ11 vector/priority register
				case 0x0380:			// Offset 0x50380 - IRQ12 vector/priority register
				case 0x03a0:			// Offset 0x503a0 - IRQ13 vector/priority register
				case 0x03c0:			// Offset 0x503c0 - IRQ14 vector/priority register
				case 0x03e0:			// Offset 0x503e0 - IRQ15 vector/priority register
				{
					int irq = ((reg & 0xffff) - 0x200) >> 5;

					epic.irq[MPC8240_IRQ0 + irq].mask = (data & 0x80000000) ? 1 : 0;
					epic.irq[MPC8240_IRQ0 + irq].priority = (data >> 16) & 0xf;
					epic.irq[MPC8240_IRQ0 + irq].vector = data & 0xff;
					break;
				}
				case 0x0210:			// Offset 0x50210 - IRQ0 destination register
				case 0x0230:			// Offset 0x50230 - IRQ1 destination register
				case 0x0250:			// Offset 0x50250 - IRQ2 destination register
				case 0x0270:			// Offset 0x50270 - IRQ3 destination register
				case 0x0290:			// Offset 0x50290 - IRQ4 destination register
				case 0x02b0:			// Offset 0x502b0 - IRQ5 destination register
				case 0x02d0:			// Offset 0x502d0 - IRQ6 destination register
				case 0x02f0:			// Offset 0x502f0 - IRQ7 destination register
				case 0x0310:			// Offset 0x50310 - IRQ8 destination register
				case 0x0330:			// Offset 0x50330 - IRQ9 destination register
				case 0x0350:			// Offset 0x50350 - IRQ10 destination register
				case 0x0370:			// Offset 0x50370 - IRQ11 destination register
				case 0x0390:			// Offset 0x50390 - IRQ12 destination register
				case 0x03b0:			// Offset 0x503b0 - IRQ13 destination register
				case 0x03d0:			// Offset 0x503d0 - IRQ14 destination register
				case 0x03f0:			// Offset 0x503f0 - IRQ15 destination register
				{
					int irq = ((reg & 0xffff) - 0x210) >> 5;

					epic.irq[MPC8240_IRQ0 + irq].destination = data & 0x1;
					break;
				}
			}
			break;
		}

		// 0x60000 - 0x6FFFF
		case 0x6:
		{
			switch (reg & 0xffff)
			{
				case 0x00b0:			// Offset 0x600B0 - EOI
					printf("EPIC IRQ%d cleared.\n", epic.active_irq);
					epic.irq[epic.active_irq].active = 0;
					epic.active_irq = -1;

					epic_update_interrupts(space->machine());
					break;
			}
			break;
		}
	}
}

static READ64_HANDLER(epic_64be_r)
{
	return read64be_with_32le_handler(epic_r, space, offset, mem_mask);
}
static WRITE64_HANDLER(epic_64be_w)
{
	write64be_with_32le_handler(epic_w, space, offset, data, mem_mask);
}


static void mpc8240_interrupt(running_machine &machine, int irq)
{
	if (epic.irq[irq].mask == 0 && epic.irq[irq].priority > 0)
	{
		epic.irq[irq].pending = 1;

		epic_update_interrupts(machine);
	}
}

static void mpc8240_epic_reset(void)
{
	int i;

	for (i=0; i < MPC8240_NUM_INTERRUPTS; i++)
	{
		epic.irq[i].mask = 1;
	}

	epic.active_irq = -1;
}

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


static const UINT8 cf_card_tuples[] =
{
	0x01,		// Device Tuple
	0x01,		// Tuple size
	0xd0,		// Device Type Func Spec

	0x1a,		// Config Tuple
	0xff,		// Tuple size (last?)
	0x03,		// CCR base size
	0x00,		// last config index?
	0x00, 0x01, 0x00, 0x00,		// CCR base (0x00000100)
};

static READ64_DEVICE_HANDLER(cf_card_data_r)
{
	UINT64 r = 0;

	if (ACCESSING_BITS_16_31)
	{
		switch (offset & 0xf)
		{
			case 0x8:	// Duplicate Even RD Data
			{
				r |= ide_bus_r(device, 0, 0) << 16;
				break;
			}

			default:
			{
				fatalerror("%s:cf_card_data_r: IDE reg %02X\n", device->machine().describe_context(), offset & 0xf);
			}
		}
	}
	return r;
}

static WRITE64_DEVICE_HANDLER(cf_card_data_w)
{
	if (ACCESSING_BITS_16_31)
	{
		switch (offset & 0xf)
		{
			case 0x8:	// Duplicate Even RD Data
			{
				ide_bus_w(device, 0, 0, (data >> 16) & 0xffff);
				break;
			}

			default:
			{
				fatalerror("%s:cf_card_data_w: IDE reg %02X, %04X\n", device->machine().describe_context(), offset & 0xf, (UINT16)(data >> 16));
			}
		}
	}
}

static READ64_DEVICE_HANDLER(cf_card_r)
{
	viper_state *state = device->machine().driver_data<viper_state>();

	UINT64 r = 0;

	if (ACCESSING_BITS_16_31)
	{
		if (state->m_cf_card_ide)
		{
			switch (offset & 0xf)
			{
				case 0x0:	// Even RD Data
				case 0x1:	// Error
				case 0x2:	// Sector Count
				case 0x3:	// Sector No.
				case 0x4:	// Cylinder Low
				case 0x5:	// Cylinder High
				case 0x6:	// Select Card/Head
				case 0x7:	// Status
				{
					r |= ide_bus_r(device, 0, offset & 7) << 16;
					break;
				}

				//case 0x8: // Duplicate Even RD Data
				//case 0x9: // Duplicate Odd RD Data

				case 0xd:	// Duplicate Error
				{
					r |= ide_bus_r(device, 0, 1) << 16;
					break;
				}
				case 0xe:	// Alt Status
				case 0xf:	// Drive Address
				{
					r |= ide_bus_r(device, 1, offset & 7) << 16;
					break;
				}

				default:
				{
					printf("%s:compact_flash_r: IDE reg %02X\n", device->machine().describe_context(), offset & 0xf);
				}
			}
		}
		else
		{
			int reg = offset;

			printf("cf_r: %04X\n", reg);

			if ((reg >> 1) < sizeof(cf_card_tuples))
			{
				r |= cf_card_tuples[reg >> 1] << 16;
			}
			else
			{
				fatalerror("%s:compact_flash_r: reg %02X\n", device->machine().describe_context(), reg);
			}
		}
	}
	return r;
}

static WRITE64_DEVICE_HANDLER(cf_card_w)
{
	viper_state *state = device->machine().driver_data<viper_state>();

	#ifdef VIPER_DEBUG_LOG
	//printf("%s:compact_flash_w: %08X%08X, %08X, %08X%08X\n", device->machine().describe_context(), (UINT32)(data>>32), (UINT32)(data), offset, (UINT32)(mem_mask >> 32), (UINT32)(mem_mask));
	#endif

	if (ACCESSING_BITS_16_31)
	{
		if (offset < 0x10)
		{
			switch (offset & 0xf)
			{
				case 0x0:	// Even WR Data
				case 0x1:	// Features
				case 0x2:	// Sector Count
				case 0x3:	// Sector No.
				case 0x4:	// Cylinder Low
				case 0x5:	// Cylinder High
				case 0x6:	// Select Card/Head
				case 0x7:	// Command
				{
					ide_bus_w(device, 0, offset & 7, (data >> 16) & 0xffff);
					break;
				}

				//case 0x8: // Duplicate Even WR Data
				//case 0x9: // Duplicate Odd WR Data

				case 0xd:	// Duplicate Features
				{
					ide_bus_w(device, 0, 1, (data >> 16) & 0xffff);
					break;
				}
				case 0xe:	// Device Ctl
				case 0xf:	// Reserved
				{
					ide_bus_w(device, 1, offset & 7, (data >> 16) & 0xffff);
					break;
				}

				default:
				{
					fatalerror("%s:compact_flash_w: IDE reg %02X, data %04X\n", device->machine().describe_context(), offset & 0xf, (UINT16)((data >> 16) & 0xffff));
				}
			}
		}
		else if (offset >= 0x100)
		{
			switch (offset)
			{
				case 0x100:
				{
					if ((data >> 16) & 0x80)
					{
						state->m_cf_card_ide = 1;

						// soft reset
						// sector count register is set to 0x01
						// sector number register is set to 0x01
						// cylinder low register is set to 0x00
						// cylinder high register is set to 0x00

						ide_bus_w(device, 1, 6, 0x04);

						ide_bus_w(device, 0, 2, 0x01);
						ide_bus_w(device, 0, 3, 0x01);
						ide_bus_w(device, 0, 4, 0x00);
						ide_bus_w(device, 0, 5, 0x00);
					}
					break;
				}
				default:
				{
					fatalerror("%s:compact_flash_w: reg %02X, data %04X\n", device->machine().describe_context(), offset, (UINT16)((data >> 16) & 0xffff));
				}
			}
		}
	}
}

static WRITE64_HANDLER(unk2_w)
{
	viper_state *state = space->machine().driver_data<viper_state>();

	if (ACCESSING_BITS_56_63)
	{
		state->m_cf_card_ide = 0;
	}
}




static READ64_DEVICE_HANDLER(ata_r)
{
	UINT64 r = 0;

	if (ACCESSING_BITS_16_31)
	{
		int reg = (offset >> 4) & 0x7;

		r |= ide_bus_r(device, (offset & 0x80) ? 1 : 0, reg) << 16;
	}

	return r;
}

static WRITE64_DEVICE_HANDLER(ata_w)
{
	if (ACCESSING_BITS_16_31)
	{
		int reg = (offset >> 4) & 0x7;

		ide_bus_w(device, (offset & 0x80) ? 1 : 0, reg, (UINT16)(data >> 16));
	}
}


static READ64_HANDLER(unk1_r)
{
	viper_state *state = space->machine().driver_data<viper_state>();

	UINT64 r = 0;
	//return 0;//U64(0x0000400000000000);

	if (ACCESSING_BITS_40_47)
	{
		r |= (UINT64)(state->m_unk1_bit << 5) << 40;
		r |= U64(0x0000400000000000);
	}

	return r;
}

static WRITE64_HANDLER(unk1a_w)
{
	viper_state *state = space->machine().driver_data<viper_state>();

	if (ACCESSING_BITS_56_63)
	{
		state->m_unk1_bit = 1;
	}
}

static WRITE64_HANDLER(unk1b_w)
{
	viper_state *state = space->machine().driver_data<viper_state>();

	if (ACCESSING_BITS_56_63)
	{
		state->m_unk1_bit = 0;
	}
}


static UINT32 voodoo3_pci_r(device_t *busdevice, device_t *device, int function, int reg, UINT32 mem_mask)
{
	viper_state *state = device->machine().driver_data<viper_state>();

	switch (reg)
	{
		case 0x00:		// PCI Vendor ID (0x121a = 3dfx), Device ID (0x0005 = Voodoo 3)
		{
			return 0x0005121a;
		}
		case 0x08:		// Device class code
		{
			return 0x03000000;
		}
		case 0x10:		// memBaseAddr0
		{
			return state->m_voodoo3_pci_reg[0x10/4];
		}
		case 0x14:		// memBaseAddr1
		{
			return state->m_voodoo3_pci_reg[0x14/4];
		}
		case 0x18:		// memBaseAddr1
		{
			return state->m_voodoo3_pci_reg[0x18/4];
		}
		case 0x40:		// fabId
		{
			return state->m_voodoo3_pci_reg[0x40/4];
		}
		case 0x50:		// cfgScratch
		{
			return state->m_voodoo3_pci_reg[0x50/4];
		}

		default:
			fatalerror("voodoo3_pci_r: %08X at %08X", reg, cpu_get_pc(device->machine().device("maincpu")));
	}
	return 0;
}

static void voodoo3_pci_w(device_t *busdevice, device_t *device, int function, int reg, UINT32 data, UINT32 mem_mask)
{
	viper_state *state = device->machine().driver_data<viper_state>();

//  printf("voodoo3_pci_w: %08X, %08X\n", reg, data);

	switch (reg)
	{
		case 0x04:		// Command register
		{
			state->m_voodoo3_pci_reg[0x04/4] = data;
			break;
		}
		case 0x10:		// memBaseAddr0
		{
			if (data == 0xffffffff)
			{
				state->m_voodoo3_pci_reg[0x10/4] = 0xfe000000;
			}
			else
			{
				state->m_voodoo3_pci_reg[0x10/4] = data;
			}
			break;
		}
		case 0x14:		// memBaseAddr1
		{
			if (data == 0xffffffff)
			{
				state->m_voodoo3_pci_reg[0x14/4] = 0xfe000008;
			}
			else
			{
				state->m_voodoo3_pci_reg[0x14/4] = data;
			}
			break;
		}
		case 0x18:		// ioBaseAddr
		{
			if (data == 0xffffffff)
			{
				state->m_voodoo3_pci_reg[0x18/4] = 0xffffff01;
			}
			else
			{
				state->m_voodoo3_pci_reg[0x18/4] = data;
			}
			break;
		}
		case 0x3c:		// InterruptLine
		{
			break;
		}
		case 0x40:		// fabId
		{
			state->m_voodoo3_pci_reg[0x40/4] = data;
			break;
		}
		case 0x50:		// cfgScratch
		{
			state->m_voodoo3_pci_reg[0x50/4] = data;
			break;
		}

		default:
			fatalerror("voodoo3_pci_w: %08X, %08X at %08X", data, reg, cpu_get_pc(device->machine().device("maincpu")));
	}
}

static READ64_HANDLER(voodoo3_io_r)
{
	device_t *device = space->machine().device("voodoo");
	return read64be_with_32le_device_handler(banshee_io_r, device, offset, mem_mask);
}
static WRITE64_HANDLER(voodoo3_io_w)
{
//  printf("voodoo3_io_w: %08X%08X, %08X at %08X\n", (UINT32)(data >> 32), (UINT32)(data), offset, cpu_get_pc(&space->device()));

	device_t *device = space->machine().device("voodoo");
	write64be_with_32le_device_handler(banshee_io_w, device, offset, data, mem_mask);
}

static READ64_HANDLER(voodoo3_r)
{
	device_t *device = space->machine().device("voodoo");
	return read64be_with_32le_device_handler(banshee_r, device, offset, mem_mask);
}
static WRITE64_HANDLER(voodoo3_w)
{
//  printf("voodoo3_w: %08X%08X, %08X at %08X\n", (UINT32)(data >> 32), (UINT32)(data), offset, cpu_get_pc(&space->device()));

	device_t *device = space->machine().device("voodoo");
	write64be_with_32le_device_handler(banshee_w, device,  offset, data, mem_mask);
}

static READ64_HANDLER(voodoo3_lfb_r)
{
	device_t *device = space->machine().device("voodoo");
	return read64be_with_32le_device_handler(banshee_fb_r, device, offset, mem_mask);
}
static WRITE64_HANDLER(voodoo3_lfb_w)
{
//  printf("voodoo3_lfb_w: %08X%08X, %08X at %08X\n", (UINT32)(data >> 32), (UINT32)(data), offset, cpu_get_pc(&space->device()));

	device_t *device = space->machine().device("voodoo");
	write64be_with_32le_device_handler(banshee_fb_w, device, offset, data, mem_mask);
}


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

static ADDRESS_MAP_START(viper_map, AS_PROGRAM, 64)
	AM_RANGE(0x00000000, 0x00ffffff) AM_MIRROR(0x1000000) AM_RAM
	AM_RANGE(0x80000000, 0x800fffff) AM_READWRITE(epic_64be_r, epic_64be_w)
//  AM_RANGE(0x82000000, 0x83ffffff) AM_DEVREADWRITE32("voodoo", banshee_r, banshee_w, U64(0xffffffffffffffff))
//  AM_RANGE(0x84000000, 0x85ffffff) AM_DEVREADWRITE32("voodoo", banshee_fb_r, banshee_fb_w, U64(0xffffffffffffffff))
//  AM_RANGE(0xfe800000, 0xfe8000ff) AM_DEVREADWRITE32("voodoo", banshee_io_r, banshee_io_w, U64(0xffffffffffffffff))
	AM_RANGE(0x82000000, 0x83ffffff) AM_READWRITE(voodoo3_r, voodoo3_w)
	AM_RANGE(0x84000000, 0x85ffffff) AM_READWRITE(voodoo3_lfb_r, voodoo3_lfb_w)
	AM_RANGE(0xfe800000, 0xfe8000ff) AM_READWRITE(voodoo3_io_r, voodoo3_io_w)
	AM_RANGE(0xfec00000, 0xfedfffff) AM_DEVREADWRITE("pcibus", pci_config_addr_r, pci_config_addr_w)
	AM_RANGE(0xfee00000, 0xfeefffff) AM_DEVREADWRITE("pcibus", pci_config_data_r, pci_config_data_w)
	// 0xff000000, 0xff000fff - cf_card_data_r/w (installed in DRIVER_INIT(vipercf))
	// 0xff200000, 0xff200fff - cf_card_r/w (installed in DRIVER_INIT(vipercf))
	AM_RANGE(0xff300000, 0xff300fff) AM_DEVREADWRITE("ide", ata_r, ata_w)
	AM_RANGE(0xffe10000, 0xffe10007) AM_READ(unk1_r)
	AM_RANGE(0xffe30000, 0xffe31fff) AM_DEVREADWRITE8("m48t58",timekeeper_r, timekeeper_w, U64(0xffffffffffffffff))
	AM_RANGE(0xffe40000, 0xffe4000f) AM_NOP
	AM_RANGE(0xffe50000, 0xffe50007) AM_WRITE(unk2_w)
	AM_RANGE(0xffe80000, 0xffe80007) AM_WRITE(unk1a_w)
	AM_RANGE(0xffe88000, 0xffe88007) AM_WRITE(unk1b_w)
	AM_RANGE(0xfff00000, 0xfff3ffff) AM_ROM AM_REGION("user1", 0)		// Boot ROM
ADDRESS_MAP_END

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

static INPUT_PORTS_START( viper )
INPUT_PORTS_END

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


static const powerpc_config viper_ppc_cfg =
{
	66000000
};

static INTERRUPT_GEN(viper_vblank)
{
	mpc8240_interrupt(device->machine(), MPC8240_IRQ0);
	//mpc8240_interrupt(device->machine, MPC8240_IRQ3);
}

static void voodoo_vblank(const device_t *device, int param)
{
	//mpc8240_interrupt(device->machine, MPC8240_IRQ4);
}

static void ide_interrupt(device_t *device, int state)
{
}

static MACHINE_RESET(viper)
{
	devtag_reset(machine, "ide");
	mpc8240_epic_reset();
}




static MACHINE_CONFIG_START( viper, viper_state )

	/* basic machine hardware */
	MCFG_CPU_ADD("maincpu", MPC8240, 200000000)
	MCFG_CPU_CONFIG(viper_ppc_cfg)
	MCFG_CPU_PROGRAM_MAP(viper_map)
	MCFG_CPU_VBLANK_INT("screen", viper_vblank)

	MCFG_MACHINE_RESET(viper)

	MCFG_PCI_BUS_ADD("pcibus", 0)
	MCFG_PCI_BUS_DEVICE(0, "mpc8240", mpc8240_pci_r, mpc8240_pci_w)
	MCFG_PCI_BUS_DEVICE(12, "voodoo", voodoo3_pci_r, voodoo3_pci_w)

	MCFG_IDE_CONTROLLER_ADD("ide", ide_interrupt)
	MCFG_3DFX_VOODOO_3_ADD("voodoo", STD_VOODOO_3_CLOCK, 16, "screen")
	MCFG_3DFX_VOODOO_CPU("maincpu")
	MCFG_3DFX_VOODOO_VBLANK(voodoo_vblank)

	/* video hardware */
	MCFG_SCREEN_ADD("screen", RASTER)
	MCFG_SCREEN_REFRESH_RATE(60)
	MCFG_SCREEN_FORMAT(BITMAP_FORMAT_RGB32)
	MCFG_SCREEN_SIZE(800, 600)
	MCFG_SCREEN_VISIBLE_AREA(0, 799, 0, 599)

	MCFG_PALETTE_LENGTH(65536)

	MCFG_SCREEN_UPDATE(viper)

	/* sound hardware */
	MCFG_SPEAKER_STANDARD_STEREO("lspeaker", "rspeaker")

	MCFG_M48T58_ADD( "m48t58" )
MACHINE_CONFIG_END

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

static DRIVER_INIT(viper)
{
//  machine.device("maincpu")->memory().space(AS_PROGRAM)->install_legacy_readwrite_handler( *ide, 0xff200000, 0xff207fff, FUNC(hdd_r), FUNC(hdd_w) ); //TODO
}

static DRIVER_INIT(vipercf)
{
	device_t *ide = machine.device("ide");

	DRIVER_INIT_CALL(viper);

	machine.device("maincpu")->memory().space(AS_PROGRAM)->install_legacy_readwrite_handler( *ide, 0xff000000, 0xff000fff, FUNC(cf_card_data_r), FUNC(cf_card_data_w) );
	machine.device("maincpu")->memory().space(AS_PROGRAM)->install_legacy_readwrite_handler( *ide, 0xff200000, 0xff200fff, FUNC(cf_card_r), FUNC(cf_card_w) );
}


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

#define ROM_LOAD_BIOS(bios,name,offset,length,hash) \
		ROMX_LOAD(name, offset, length, hash, ROM_BIOS(bios+1)) /* Note '+1' */

#define VIPER_BIOS \
	ROM_REGION64_BE(0x40000, "user1", 0)	/* Boot ROM */ \
	ROM_SYSTEM_BIOS(0, "bios0", "GM941B01 (01/15/01)") \
		ROM_LOAD_BIOS(0, "941b01.u25", 0x00000, 0x40000, CRC(233e5159) SHA1(66ff268d5bf78fbfa48cdc3e1b08f8956cfd6cfb)) \
	ROM_SYSTEM_BIOS(1, "bios1", "GM941A01 (03/10/00)") \
		ROM_LOAD_BIOS(1, "941a01.u25", 0x00000, 0x40000, CRC(df6f88d6) SHA1(2bc10e4fbec36573aa8b6878492d37665f074d87)) \


ROM_START(kviper)
	VIPER_BIOS

	ROM_REGION(0x2000, "m48t58", ROMREGION_ERASE00)		/* M48T58 Timekeeper NVRAM */
ROM_END


/* Viper games with hard disk */
ROM_START(ppp2nd)
	VIPER_BIOS

	ROM_REGION(0x2000, "m48t58", ROMREGION_ERASE00)		/* M48T58 Timekeeper NVRAM */

	DISK_REGION( "ide" )
	DISK_IMAGE( "ppp2nd", 0, SHA1(b8b90483d515c83eac05ffa617af19612ea990b0))
ROM_END

/* Viper games with Compact Flash card */
ROM_START(boxingm) //*
	VIPER_BIOS

	ROM_REGION(0x2000, "m48t58", ROMREGION_ERASE00)		/* M48T58 Timekeeper NVRAM */
	ROM_LOAD("a45jaa_nvram.u39", 0x00000, 0x2000, CRC(c24e29fc) SHA1(efb6ecaf25cbdf9d8dfcafa85e38a195fa5ff6c4))

	DISK_REGION( "ide" )
	DISK_IMAGE( "a45a02", 0, SHA1(9af2481f53de705ae48fad08d8dd26553667c2d0) )
ROM_END

ROM_START(code1d) //*
	VIPER_BIOS

	ROM_REGION(0x2000, "m48t58", ROMREGION_ERASE00)		/* M48T58 Timekeeper NVRAM */
	ROM_LOAD("nvram.u39", 0x00000, 0x2000, NO_DUMP )

	DISK_REGION( "ide" )
	DISK_IMAGE( "922d02", 0, SHA1(01f35e324c9e8567da0f51b3e68fff1562c32116) )
ROM_END

ROM_START(code1db) //*
	VIPER_BIOS

	ROM_REGION(0x2000, "m48t58", ROMREGION_ERASE00)		/* M48T58 Timekeeper NVRAM */
	ROM_LOAD("nvram.u39", 0x00000, 0x2000, NO_DUMP )

	DISK_REGION( "ide" )
	DISK_IMAGE( "922b02", 0, SHA1(4d288b5dcfab3678af662783e7083a358eee99ce) )
ROM_END

ROM_START(gticlub2) //*
	VIPER_BIOS

	ROM_REGION(0x2000, "m48t58", ROMREGION_ERASE00)		/* M48T58 Timekeeper NVRAM */
	ROM_LOAD("nvram.u39", 0x00000, 0x2000, CRC(d0604e84) SHA1(18d1183f1331af3e655a56692eb7ab877b4bc239)) //old dump, probably has non-default settings.
	ROM_LOAD("941jab_nvram.u39", 0x00000, 0x2000, CRC(6c4a852f) SHA1(2753dda42cdd81af22dc6780678f1ddeb3c62013))

	DISK_REGION( "ide" )
	DISK_IMAGE( "941b02", 0,  SHA1(943bc9b1ea7273a8382b94c8a75010dfe296df14) )
ROM_END

ROM_START(gticlub2ea) //*
	VIPER_BIOS

	ROM_REGION(0x2000, "m48t58", ROMREGION_ERASE00)		/* M48T58 Timekeeper NVRAM */
	ROM_LOAD("941eaa_nvram.u39", 0x00000, 0x2000, CRC(5ee7004d) SHA1(92e0ce01049308f459985d466fbfcfac82f34a47))

	DISK_REGION( "ide" )
	DISK_IMAGE( "941a02", 0,  NO_DUMP )
ROM_END

ROM_START(jpark3) //*
	VIPER_BIOS

	ROM_REGION(0x2000, "m48t58", ROMREGION_ERASE00)		/* M48T58 Timekeeper NVRAM */
	ROM_LOAD("b41ebc_nvram.u39", 0x00000, 0x2000, CRC(55d1681d) SHA1(26868cf0d14f23f06b81f2df0b4186924439bb43))

	DISK_REGION( "ide" )
	DISK_IMAGE( "b41c02", 0, SHA1(fb6b0b43a6f818041d644bcd711f6a727348d3aa) )
ROM_END

/* This CF card has sticker B33A02 */
ROM_START(mocapglf) //*
	VIPER_BIOS

	ROM_REGION(0x2000, "m48t58", ROMREGION_ERASE00)		/* M48T58 Timekeeper NVRAM */
	ROM_LOAD("b33uaa_nvram.u39", 0x00000, 0x1ff8, BAD_DUMP CRC(0f0ba988) SHA1(5618c03b21fc2ba14b2e159cee3aab7f53c2c34d)) //data looks plain bad (compared to the other games)

	DISK_REGION( "ide" )
	DISK_IMAGE( "b33a02", 0, SHA1(819d8fac5d2411542c1b989105cffe38a5545fc2) )
ROM_END

ROM_START(mocapb) //*
	VIPER_BIOS

	ROM_REGION(0x2000, "m48t58", ROMREGION_ERASE00)		/* M48T58 Timekeeper NVRAM */
	ROM_LOAD("a29aaa_nvram.u39", 0x000000, 0x2000, CRC(14b9fe68) SHA1(3c59e6df1bb46bc1835c13fd182b1bb092c08759)) //supposed to be aab version?

	DISK_REGION( "ide" )
	DISK_IMAGE( "a29b02", 0, SHA1(f0c04310caf2cca804fde20805eb30a44c5a6796) ) //missing bootloader
ROM_END

ROM_START(mocapbj) //*
	VIPER_BIOS

	ROM_REGION(0x2000, "m48t58", ROMREGION_ERASE00)		/* M48T58 Timekeeper NVRAM */
	ROM_LOAD("a29jaa_nvram.u39", 0x000000, 0x2000, CRC(2f7cdf27) SHA1(0b69d8728be12909e235268268a312982f81d46a))

	DISK_REGION( "ide" )
	DISK_IMAGE( "a29a02", 0, SHA1(00afad399737652b3e17257c70a19f62e37f3c97) )
ROM_END

ROM_START(p911) //*
	VIPER_BIOS

	ROM_REGION(0x2000, "m48t58", ROMREGION_ERASE00)		/* M48T58 Timekeeper NVRAM */
	ROM_LOAD("a00uad_nvram.u39", 0x000000, 0x2000, CRC(cca056ca) SHA1(de1a00d84c1311d48bbe6d24f5b36e22ecf5e85a))

	DISK_REGION( "ide" )
	DISK_IMAGE( "a00uad02", 0, SHA1(6acb8dc41920e7025b87034a3a62b185ef0109d9) )
ROM_END

ROM_START(p911uc) //*
	VIPER_BIOS

	ROM_REGION(0x2000, "m48t58", ROMREGION_ERASE00)		/* M48T58 Timekeeper NVRAM */
	ROM_LOAD("a00uac_nvram.u39", 0x000000, 0x2000,  NO_DUMP )

	DISK_REGION( "ide" )
	DISK_IMAGE( "a00uac02", 0, SHA1(b268789416dbf8886118a634b911f0ee254970de) )
ROM_END

ROM_START(p911kc) //*
	VIPER_BIOS

	ROM_REGION(0x2000, "m48t58", ROMREGION_ERASE00)		/* M48T58 Timekeeper NVRAM */
	ROM_LOAD("a00kac_nvram.u39", 0x000000, 0x2000,  CRC(8ddc921c) SHA1(901538da237679fc74966a301278b36d1335671f) )

	DISK_REGION( "ide" )
	DISK_IMAGE( "a00kac02", 0, SHA1(b268789416dbf8886118a634b911f0ee254970de) )
ROM_END

ROM_START(p911e) //*
	VIPER_BIOS

	ROM_REGION(0x2000, "m48t58", ROMREGION_ERASE00)		/* M48T58 Timekeeper NVRAM */
	ROM_LOAD("a00eaa_nvram.u39", 0x000000, 0x2000,  CRC(4f3497b6) SHA1(3045c54f98dff92cdf3a1fc0cd4c76ba82d632d7) )

	DISK_REGION( "ide" )
	DISK_IMAGE( "a00eaa02", 0, SHA1(81565a2dce2e2b0a7927078a784354948af1f87c) )
ROM_END

ROM_START(p911j) //*
	VIPER_BIOS

	ROM_REGION(0x2000, "m48t58", ROMREGION_ERASE00)		/* M48T58 Timekeeper NVRAM */
	ROM_LOAD("a00jaa_nvram.u39", 0x000000, 0x2000, CRC(9ecf70dc) SHA1(4769a99b0cc28563e219860b8d480f32d1e21f60))

	DISK_REGION( "ide" )
	DISK_IMAGE( "a00jac02", 0, SHA1(d962d3a8ea84c380767d0fe336296911c289c224) )
ROM_END

ROM_START(p9112) //*
	VIPER_BIOS

	ROM_REGION(0x2000, "m48t58", ROMREGION_ERASE00)		/* M48T58 Timekeeper NVRAM */
	ROM_LOAD("nvram.u39", 0x000000, 0x2000, NO_DUMP )

	DISK_REGION( "ide" )
	DISK_IMAGE( "b11a02", 0, SHA1(57665664321b78c1913d01f0d2c0b8d3efd42e04) )
ROM_END

ROM_START(popn9) //Note: this is actually a Konami Pyson HW! (PlayStation 2-based) move out of here.
	VIPER_BIOS

	ROM_REGION(0x2000, "m48t58", ROMREGION_ERASE00)		/* M48T58 Timekeeper NVRAM */
	ROM_LOAD("nvram.u39", 0x000000, 0x2000, NO_DUMP )

	DISK_REGION( "ide" )
	DISK_IMAGE( "c00jab", 0, BAD_DUMP SHA1(3763aaded9b45388a664edd84a3f7f8ff4101be4) )
ROM_END

ROM_START(sscopex)
	VIPER_BIOS

	ROM_REGION(0x2000, "m48t58", ROMREGION_ERASE00)		/* M48T58 Timekeeper NVRAM */
	ROM_LOAD("a13uaa_nvram.u39", 0x000000, 0x2000, CRC(7b0e1ac8) SHA1(1ea549964539e27f87370e9986bfa44eeed037cd))

	DISK_REGION( "ide" )
	DISK_IMAGE( "a13c02", 0, SHA1(d740784fa51a3f43695ea95e23f92ef05f43284a) )
ROM_END

//TODO: sscopexb + many nvram clone versions.

ROM_START(sogeki) //*
	VIPER_BIOS

	ROM_REGION(0x2000, "m48t58", ROMREGION_ERASE00)		/* M48T58 Timekeeper NVRAM */
	ROM_LOAD("nvram.u39", 0x000000, 0x2000, CRC(2f325c55) SHA1(0bc44f40f981a815c8ce64eae95ae55db510c565))

	DISK_REGION( "ide" )
	DISK_IMAGE( "a13b02", 0, SHA1(c25a61b76d365794c2da4a9e7de88a5519e944ec) )
ROM_END

ROM_START(thrild2) //*
	VIPER_BIOS

	ROM_REGION(0x2000, "m48t58", ROMREGION_ERASE00)		/* M48T58 Timekeeper NVRAM */
	ROM_LOAD("a41ebb_nvram.u39", 0x00000, 0x2000, CRC(22f59ac0) SHA1(e14ea2ba95b72edf0a3331ab82c192760bfdbce3))
//  a41eba_nvram == a41ebb_nvram

	DISK_REGION( "ide" )
	DISK_IMAGE( "a41b02", 0, SHA1(0426f4bb9001cf457f44e2c22e3d7575b8049aa3) )
ROM_END

ROM_START(thrild2a) //*
	VIPER_BIOS

	ROM_REGION(0x2000, "m48t58", ROMREGION_ERASE00)		/* M48T58 Timekeeper NVRAM */
	ROM_LOAD("a41aaa_nvram.u39", 0x00000, 0x2000, CRC(d5de9b8e) SHA1(768bcd46a6ad20948f60f5e0ecd2f7b9c2901061))

	DISK_REGION( "ide" )
	DISK_IMAGE( "a41a02", 0, SHA1(bbb71e23bddfa07dfa30b6565a35befd82b055b8) )
ROM_END

/* This CF card has sticker 941EAA02 */
ROM_START(thrild2c) //*
	VIPER_BIOS

	ROM_REGION(0x2000, "m48t58", ROMREGION_ERASE00)		/* M48T58 Timekeeper NVRAM */
	ROM_LOAD("941eaa_nvram.u39", 0x00000, 0x2000, NO_DUMP )

	DISK_REGION( "ide" )
	DISK_IMAGE( "a41c02", 0, SHA1(ab3020e8709768c0fd2467573e92b679a05944e5) )
ROM_END

ROM_START(tsurugi) //*
	VIPER_BIOS

	ROM_REGION(0x2000, "m48t58", ROMREGION_ERASE00)		/* M48T58 Timekeeper NVRAM */
	ROM_LOAD("a30eab_nvram.u39", 0x00000, 0x2000, CRC(c123342c) SHA1(55416767608fe0311a362854a16b214b04435a31))

	DISK_REGION( "ide" )
	DISK_IMAGE( "a30b02", 0, SHA1(d2be83b7323c365ba445de7697c3fb8eb83d0212) )
ROM_END

ROM_START(tsurugij) //*
	VIPER_BIOS

	ROM_REGION(0x2000, "m48t58", ROMREGION_ERASE00)		/* M48T58 Timekeeper NVRAM */
	ROM_LOAD("a30jac_nvram.u39", 0x00000, 0x2000, NO_DUMP )

	DISK_REGION( "ide" )
	DISK_IMAGE( "a30c02", 0, SHA1(533b5669b00884a800df9ba29651777a76559862) )
ROM_END

/* This CF card has sticker C22D02 */
ROM_START(wcombat) //*
	VIPER_BIOS

	ROM_REGION(0x2000, "m48t58", ROMREGION_ERASE00)		/* M48T58 Timekeeper NVRAM */
	ROM_LOAD("nvram.u39", 0x00000, 0x2000, CRC(4f8b5858) SHA1(68066241c6f9db7f45e55b3c5da101987f4ce53c))

	DISK_REGION( "ide" )
	DISK_IMAGE( "c22d02", 0, BAD_DUMP SHA1(85d2a8b5ec4cfd932190486cad991f0c180ca6b3) )
ROM_END

ROM_START(wcombatk) //*
	VIPER_BIOS

	ROM_REGION(0x2000, "m48t58", ROMREGION_ERASE00)		/* M48T58 Timekeeper NVRAM */
	ROM_LOAD("nvram.u39", 0x00000, 0x2000, CRC(ebd4d645) SHA1(2fa7e2c6b113214f3eb1900c8ceef4d5fcf0bb76))

	DISK_REGION( "ide" )
	DISK_IMAGE( "c22c02", 0, BAD_DUMP SHA1(8bd1dfbf926ad5b28fa7dafd7e31c475325ec569) )
ROM_END

ROM_START(wcombatj) //*
	VIPER_BIOS

	ROM_REGION(0x2000, "m48t58", ROMREGION_ERASE00)		/* M48T58 Timekeeper NVRAM */
	ROM_LOAD("nvram.u39", 0x00000, 0x2000, CRC(bd8a6640) SHA1(2d409197ef3fb07d984d27fa943f29c7a711d715))

	DISK_REGION( "ide" )
	DISK_IMAGE( "c22a02", 0, BAD_DUMP SHA1(b607fb2ddfd0bd552b7a736cea4ac1aa3ea021bd) )
ROM_END

ROM_START(xtrial) //*
	VIPER_BIOS

	ROM_REGION(0x2000, "m48t58", ROMREGION_ERASE00)		/* M48T58 Timekeeper NVRAM */
	ROM_LOAD("b4xjab_nvram.u39", 0x00000, 0x2000, CRC(33708a93) SHA1(715968e3c9c15edf628fa6ac655dc0864e336c6c))

	DISK_REGION( "ide" )
	DISK_IMAGE( "b4xb02", 0, SHA1(d8d54f3f16b762bf0187fe29b2f8696015c0a940) )
ROM_END

/* Viper Satellite Terminal games */

/*
Mahjong Fight Club (Konami Viper h/w)
Konami, 2002

PCB number - GM941-PWB(A)C Copyright 1999 Konami Made In Japan

Mahjong Fight Club is a multi player Mahjong battle game for up to 8 players. A
single PCB will not boot unless all of the other units are connected and powered
on, although how exactly they're connected is unknown. There is probably a
master unit that talks to all of the 8 satellite units. At the moment I have
only 2 of the 8 satellite units so I can't confirm that.
However, I don't have access to the main unit anyway as it was not included in
the auction we won :(

The Viper hardware can accept additional PCBs inside the metal box depending on
the game. For Mahjong Fight Club, no additional PCBs are present or required.

The main CPU is a Motorola XPC8240LZU200E
The main graphics chip is heatsinked. It's a BGA chip, and might be something
like a Voodoo chip? Maybe :-)
There's 1 Konami chip stamped 056879
There's also a bunch of video RAMs and several PLCC FPGAs or CPLDs
There's also 1 PLCC44 chip stamped PC16552

Files
-----
c09jad04.bin is a 64M Compact Flash card. The image was simply copied from the
card as it is PC readable. The card contains only 1 file named c09jad04.bin

941b01.u25 is the BIOS, held in a 2MBit PLCC32 Fujitsu MBM29F002 EEPROM and
surface mounted at location U25. The BIOS is common to ALL Viper games.

nvram.u39 is a ST M48T58Y Timekeeper NVRAM soldered-in at location U39. The
codes at the start of the image (probably just the first 16 or 32 bytes) are
used as a simple (and very weak) protection check to stop game swaps. The
contents of the NVRAM is different for ALL games on this hardware.

Some games use a dongle and swapping games won't work unless the dongle is also provided.
The following games comes with a dongle....
Mahjong Fight Club

For non-dongled games, I have verified the following games will work when the
CF card and NVRAM are swapped....
*/

/* This CF card has sticker C09JAD04 */
ROM_START(mfightc) //*
	VIPER_BIOS

	ROM_REGION(0x2000, "m48t58", ROMREGION_ERASE00)		/* M48T58 Timekeeper NVRAM */
	ROM_LOAD("nvram.u39", 0x00000, 0x2000, CRC(9fb551a5) SHA1(a33d185e186d404c3bf62277d7e34e5ad0000b09)) //likely non-default settings
	ROM_LOAD("c09jad_nvram.u39", 0x00000, 0x2000, CRC(33e960b7) SHA1(a9a249e68c89b18d4685f1859fe35dc21df18e14))

	DISK_REGION( "ide" )
	DISK_IMAGE( "c09d04", 0, SHA1(7395b7a33e953f65827aea44461e49f8388464fb) )
ROM_END

/* This CF card has sticker C09JAC04 */
ROM_START(mfightcc) //*
	VIPER_BIOS

	ROM_REGION(0x2000, "m48t58", ROMREGION_ERASE00)		/* M48T58 Timekeeper NVRAM */
	ROM_LOAD("c09jac_nvram.u39", 0x00000, 0x2000, NO_DUMP )

	DISK_REGION( "ide" )
	DISK_IMAGE( "c09c04", 0, SHA1(bf5f7447d74399d34edd4eb6dfcca7f6fc2154f2) )
ROM_END

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

/* Viper BIOS */
GAME(1999, kviper,    0,         viper, viper, viper,    ROT0,  "Konami", "Konami Viper BIOS", GAME_IS_BIOS_ROOT)

GAME(2001, ppp2nd,    kviper,    viper, viper, viper,    ROT0,  "Konami", "ParaParaParadise 2nd Mix", GAME_NOT_WORKING|GAME_NO_SOUND)

GAME(2001, boxingm,   kviper,    viper, viper, vipercf,  ROT0,  "Konami", "Boxing Mania (ver JAA)", GAME_NOT_WORKING|GAME_NO_SOUND)
GAME(2000, code1d,    kviper,    viper, viper, vipercf,  ROT0,  "Konami", "Code One Dispatch (ver D)", GAME_NOT_WORKING|GAME_NO_SOUND)
GAME(2000, code1db,   code1d,    viper, viper, vipercf,  ROT0,  "Konami", "Code One Dispatch (ver B)", GAME_NOT_WORKING|GAME_NO_SOUND)
GAME(2001, gticlub2,  kviper,    viper, viper, vipercf,  ROT0,  "Konami", "GTI Club 2 (ver JAB)", GAME_NOT_WORKING|GAME_NO_SOUND)
GAME(2001, gticlub2ea,gticlub2,  viper, viper, vipercf,  ROT0,  "Konami", "GTI Club 2 (ver EAA)", GAME_NOT_WORKING|GAME_NO_SOUND)
GAME(2001, jpark3,    kviper,    viper, viper, vipercf,  ROT0,  "Konami", "Jurassic Park 3 (ver EBC)", GAME_NOT_WORKING|GAME_NO_SOUND)
GAME(2001, mocapglf,  kviper,    viper, viper, vipercf,  ROT0,  "Konami", "Mocap Golf (ver UAA)", GAME_NOT_WORKING|GAME_NO_SOUND)
GAME(2001, mocapb,    kviper,    viper, viper, vipercf,  ROT0,  "Konami", "Mocap Boxing (ver AAA)", GAME_NOT_WORKING|GAME_NO_SOUND)
GAME(2001, mocapbj,   mocapb,    viper, viper, vipercf,  ROT0,  "Konami", "Mocap Boxing (ver JAA)", GAME_NOT_WORKING|GAME_NO_SOUND)
GAME(2001, p911,      kviper,    viper, viper, vipercf,  ROT0,  "Konami", "Police 911 (ver UAD)", GAME_NOT_WORKING|GAME_NO_SOUND)
GAME(2001, p911uc,    p911,      viper, viper, vipercf,  ROT0,  "Konami", "Police 911 (ver UAC)", GAME_NOT_WORKING|GAME_NO_SOUND)
GAME(2001, p911kc,    p911,      viper, viper, vipercf,  ROT0,  "Konami", "Police 911 (ver KAC)", GAME_NOT_WORKING|GAME_NO_SOUND)
GAME(2001, p911e,     p911,      viper, viper, vipercf,  ROT0,  "Konami", "Police 24/7 (ver EAA)", GAME_NOT_WORKING|GAME_NO_SOUND)
GAME(2001, p911j,     p911,      viper, viper, vipercf,  ROT0,  "Konami", "Keisatsukan Shinjuku 24ji (ver JAC)", GAME_NOT_WORKING|GAME_NO_SOUND)
GAME(2001, p9112,     kviper,    viper, viper, vipercf,  ROT0,  "Konami", "Police 911 2 (ver A)", GAME_NOT_WORKING|GAME_NO_SOUND)
GAME(2003, popn9,     kviper,    viper, viper, vipercf,  ROT0,  "Konami", "Pop'n Music 9 (ver JAB)", GAME_NOT_WORKING|GAME_NO_SOUND)
GAME(2001, sscopex,   kviper,    viper, viper, vipercf,  ROT0,  "Konami", "Silent Scope EX (ver UAA)", GAME_NOT_WORKING|GAME_NO_SOUND)
GAME(2001, sogeki,    sscopex,   viper, viper, vipercf,  ROT0,  "Konami", "Sogeki (ver JAA)", GAME_NOT_WORKING|GAME_NO_SOUND)
GAME(2001, thrild2,   kviper,    viper, viper, vipercf,  ROT0,  "Konami", "Thrill Drive 2 (ver EBB)", GAME_NOT_WORKING|GAME_NO_SOUND)
GAME(2001, thrild2a,  thrild2,   viper, viper, vipercf,  ROT0,  "Konami", "Thrill Drive 2 (ver AAA)", GAME_NOT_WORKING|GAME_NO_SOUND)
GAME(2001, thrild2c,  thrild2,   viper, viper, vipercf,  ROT0,  "Konami", "Thrill Drive 2 (ver EAA)", GAME_NOT_WORKING|GAME_NO_SOUND)
GAME(2001, tsurugi,   kviper,    viper, viper, vipercf,  ROT0,  "Konami", "Tsurugi (ver EAB)", GAME_NOT_WORKING|GAME_NO_SOUND)
GAME(2001, tsurugij,  tsurugi,   viper, viper, vipercf,  ROT0,  "Konami", "Tsurugi (ver JAC)", GAME_NOT_WORKING|GAME_NO_SOUND)
GAME(2002, wcombat,   kviper,    viper, viper, vipercf,  ROT0,  "Konami", "World Combat (ver UAA?)", GAME_NOT_WORKING|GAME_NO_SOUND)
GAME(2002, wcombatk,  wcombat,   viper, viper, vipercf,  ROT0,  "Konami", "World Combat (ver KBC)", GAME_NOT_WORKING|GAME_NO_SOUND)
GAME(2002, wcombatj,  wcombat,   viper, viper, vipercf,  ROT0,  "Konami", "World Combat (ver JAA)", GAME_NOT_WORKING|GAME_NO_SOUND)
GAME(2002, xtrial,    kviper,    viper, viper, vipercf,  ROT0,  "Konami", "Xtrial Racing (ver JAB)", GAME_NOT_WORKING|GAME_NO_SOUND)

GAME(2002, mfightc,   kviper,    viper, viper, vipercf,  ROT0,  "Konami", "Mahjong Fight Club (ver JAD)", GAME_NOT_WORKING|GAME_NO_SOUND)
GAME(2002, mfightcc,  mfightc,   viper, viper, vipercf,  ROT0,  "Konami", "Mahjong Fight Club (ver JAC)", GAME_NOT_WORKING|GAME_NO_SOUND)