mirror of
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chasehq, topspeed: dumped motor CPU ROM and added detailed hardware description for chasehq [Guru]
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@ -231,53 +231,352 @@ Notes:
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****************************************************************************
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Guru-Readme for Chase HQ (Taito 1988)
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ChaseHQ (Guru)
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-------
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Video board
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-----------
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Pal b52-28d b52-28b
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Pal 17d 17b
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Pal 28c 28a
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Pal 77c 17a
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b52-30
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34
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31
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35
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32 b52-27 pal20 TC020VAR b52-03 b52-127
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36 51 b52-126 b52-124 Pal
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50
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49 Pal b52-125
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33 Pal b52-19 Pal b52-25
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37 38 b52-18b Pal 122
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Pal Pal b52-18a Pal 123
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b52-20 b52-21 b52-18
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CPU board
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CPU Board
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---------
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b52-119 Pal
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b52-118 Pal
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68000-12
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b52-131 129
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b52-113 b52-130 136
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b52-114
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b52-115 TC0140SYT
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b52-116
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YM2610 b52-29
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26.686MHz
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24 MHz
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16MHz TC0100SCN
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K1100357A
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J1100157A CPU PCB
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K1100357A CHASE HQ UP (sticker for upright)
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M4300099A CHASE HQ DX (sticker for DX cabinet)
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|------------------------------------------------------------------------|
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| B52-113.IC73 |---------| B52-119.IC20(PAL20L8)|
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| |TAITO | 68000-12 B52-118.IC21(PAL20L8)|
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| B52-114.IC72 |TC0140SYT| |-|
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|M | | B52-131.IC37 B52-129.IC30 | |
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| B52-115.IC71 |---------| B52-130.IC36 B52-136.IC29 | |
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| TMM2063 TMM2063 | |
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| B52-116.IC70 Z80 | |
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| B52-137.IC51 B52-29.IC27 26.686MHz | |
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| TD62003 |---------| 24MHz | |
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|V YM2610 |TAITO | | |
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| |TC0100SCN| 43256 |-|
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| 16MHz | | |
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| TMM2063 |---------| 43256 |
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| TC0050DCA |---------| |-|
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| Y3016-F TMM2063 |TAITO | |------| | |
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| |TC0170ABT| |TAITO | | |
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| TL074 TL074 | | |TC0110| B52-01.IC7 | |
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| MB3735 VOLUME B52-121.IC57(PAL20L8)|---------| |PCR | | |
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|G PC050CM B52-120.IC56(PAL16L8) |------| | |
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| |---------| 68000-12 |---------| B52-06.IC24 B52-28.IC4 | |
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| |TCOO40IOC| B52-133.IC55 |TAITO | TMM2063 TMM2063 | |
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| |---------| B52-132.IC39 |TC0150ROD| TMM2063 TMM2063 |-|
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| MB3771 | | |
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| DIPSWB DIPSWA TMM2063 TMM2063 |---------| TC0070RGB |
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|------------------------------------------------------------------------|
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Notes:
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68000 - Motorola MC68000P12 CPUs, clock input 12.000MHz [24/2]
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Z80 - Zilog Z0840004PSC Z80 CPU, clock input 4.000MHz [16/4]
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YM2610 - Yamaha YM2610 sound chip, clock input 8.000MHz [16/2]
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Y3016-F - Yamaha Y3016-F 2-Channel Serial & Binary Input Floating D/A Converter (SOIC16)
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Clock input 2.66666MHz (16/2/3, source = pin 64 of YM2610)
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TMM2063 - Toshiba TMM2063AP-70 8k x8-bit SRAM (DIP28)
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43256 - NEC D43256AC-10L 32k x8-bit SRAM (DIP28)
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MB3771 - Fujitsu MB3771 System Reset IC (DIP8)
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MB3735 - Fujitsu MB3735 20w BTL Mono Power AMP. Note this amp chip has one input and one output, so sound
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is mono. Where two speakers are present (cockpit/DX) the same sounds are output to both speakers
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because the edge connector pins 10+L and 11+M are hard-wired together.
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TL074 - Texas Instruments TL074 JFET Low-Noise Quad OP Amp
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TD62003 - Toshiba TD62003 PNP 50V 0.5A Quad Darlington Switch (for driving CPU-controlled lamps via 2x NEC 2SB1150 PNP Darlington Transistors)
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G - 28-Way Connector (Not JAMMA, but power/ground pins are the same as JAMMA)
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V - 5-pin video connector
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M - 50-pin flat cable connector. Only populated on the moving cabinet version. This is used to connect the motor PCB to the
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main PCB. This connector and some adjacent 74LS244/245 logic chips are not populated on the upright PCB version.
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Pal b52-121
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Pal b52-120 TC0170ABT TC0110PCR b52-01
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68000-12
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b52-06
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TC0040IOC b52-133 b52-132 TC0150ROD b52-28
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Syncs - Horizontal: 15.675kHz
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Vertical: 60.0554Hz
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ROMs -
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B52-137.IC51 - Z80 Sound Program
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B52-131.IC37 \
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B52-129.IC30 | Main 68k Program (27C1001 EPROMs)
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B52-130.IC36 |
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B52-136.IC29 /
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B52-133.IC55 \ Sub 68k Program (27C512 EPROMs)
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B52-132.IC39 /
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B52-29.IC27 - Tilemaps (23C4000 mask ROM)
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B52-01.IC7 - Road/Sprite Priority & Palette Select (MMI63S141 BI-POLAR PROM)
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B52-06.IC24 - Road A/B Internal Priority (MMI63S141 BI-POLAR PROM)
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B52-28.IC4 - TC0150ROD ROM for Road data (23C4000 mask ROM)
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Note: These ROMs match the World ROM-set in MAME ('chasehq'). These are the same ROMs found on a Chase HQ DX cabinet
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board-set which suggests any/all Chase HQ ROM-sets will work with the deluxe motion cabinet providing the Motor
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PCB is present and working.
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Taito custom ICs -
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TC0070RGB - 5-bit RGB Video Mixer/RGB DAC (Ceramic Flat Pack SIL25)
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PC050CM - Coin/Counter/Lockout Functions
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TC0060DCA - 2-Channel Digital to Analog Conversion for Audio (Ceramic Flat Pack SIL20)
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Note: 2 channel audio from the YM2610 is input and output separately here but on the output it is
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merged via 2x 2.7k resistors to a single audio signal and fed to the MB3735 AMP chip on pin 1.
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The output from the MB3735 is mono.
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TC0140SYT - Sound Communication
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TC0040IOC - I/O Controls (start/shift/wheel/accelerator etc) and DIP switch management.
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This chip provides the master reset output on pin 2.
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On the upright cabinet, the accelerate pedal is a normally open switch (it is either off or on).
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The shift lever is a normally open switch (off/on). When open it is set to low gear and when closed
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(i.e. when pin 20 of connector G is grounded) it is set to high gear.
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The steering wheel hardware on Chase HQ uses one half of a trackball mechanism (left/right only)
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which is basically like a spinner. There is a segmented disc with optical sensor and another optical
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sensor to detect the wheel center position. The wheel returns to the center position with the help of
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a centering spring. The cockpit & DX cabs use 5k pots for the steering and accelerator, although
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micro-switches will also work fine with the correct control mechanisms.
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TC0110PCR - Palette Generator
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TC0100SCN - Tilemap Generator
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TC0150ROD - Road Generator
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TC0170ABT - Motion Object Generator
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Edge Connector Pinouts (NOTE! This is correct as per schematics. Pinout found on the internet is not accurate)
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----------------------
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COMPONENT | SOLDER Video Connector (NOTE: when facing the edge connector, pin 5 is on the left)
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------------+------------ ---------------
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GND | 1 | A | GND 1 GROUND
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GND | 2 | B | GND 2 RED
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+5V | 3 | C | +5V 3 GREEN
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+5V | 4 | D | +5V 4 BLUE
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-5V | 5 | E | -5V 5 SYNC
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+12V | 6 | F | +12V
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KEY | | | KEY
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Counter 1 | 8 | J | Counter 2
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Lockout 1 | 9 | K | Lockout 2 Connector "H" (on video board. Note the PCB will work without this connector wired up)
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Speaker 1 + |10---L | Speaker 2 + (cockpit/DX -------------
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Speaker 1 - |11---M | Speaker 2 - (cockpit/DX) 1 GND
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Volume 1 |12 | N | Volume 2 (cockpit/DX) 2 GND
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N/C |13 | P | 3 GND
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GND |14 | R | Service Coin 4 GND
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GND |15 | S | Brake 5 +5V
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Coin 1 |16 | T | Coin 2 6 +5V
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|17 | U | 7 +5V
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Nitro |18 | V | Tilt 8 +5V
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Wheel Center Sense |19 | W | Start 9 N/C
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Shift |20 | X | Accelerate 10 N/C
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|21 | Y | 11 N/C
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Lamp 1 |22 | Z | Lamp 2 12 N/C
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N/C |23 | a |
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|24 | b |
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|25 | c |
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Steering Left |26 | d | Steering Right
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GND |27 | e | GND
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GND |28 | f | GND
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Note:
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- 22 & Z are used to drive CPU-controlled lamps in the top header.
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- N/C means there is no trace connected to this edge connector pad.
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- Speaker 1 and 2 are hard-wired together at the edge connector and
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the PCB has a single mono amp chip so sound is mono regardless
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of how many speakers are in the cabinet.
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Connector "M" (to Motor Control PCB, using standard 50-pin flat cable)
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Note the labels shown are the signals.
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------------+--------------
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/MTRES | A | 1 | MTA0 \
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GND | B | 2 | MTA1 |
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GND | C | 3 | MTA2 |
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GND | D | 4 | MTA3 |
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GND | E | 5 | MTA4 |
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GND | F | 6 | MTA5 | 11-bit Address Bus to/from Motor PCB
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GND | H | 7 | MTA6 |
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GND | J | 8 | MTA7 |
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GND | K | 9 | MTA8 |
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GND | L | 10| MTA9 |
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GND | M | 11| MTA10 /
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GND | N | 12| MTD0 \
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GND | P | 13| MTD1 |
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GND | R | 14| MTD2 |
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GND | S | 15| MTD3 |
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GND | T | 16| MTD4 | 8-bit Data Bus to/from Motor PCB
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GND | U | 17| MTD5 |
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GND | V | 18| MTD6 |
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GND | W | 19| MTD7 /
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GND | X | 20| MTR/W Read/Write to/from Motor PCB
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GND | Y | 21| MOTOR Motor On/Off Signal?
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GND | Z | 22| MTDTA Acknowledge Signal?
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GND | a | 23| GND
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GND | b | 24| MTCK Z80 clock from main board = 3.000MHz (24/8)
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GND | c | 25| GND
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/MTRES is the Z80 reset signal. This stays low in upright cabinet mode, but when the
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cabinet DIPs are set to deluxe this will go high to reset the Z80 on the motor PCB.
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If the motor PCB is not present the signal will toggle low then high trying to reset
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the Z80 until an acknowledge/ready signal (possibly MTDTA) comes back from the motor PCB.
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Note none of these signals are present at the edge connector "M" if the 4 IC's at
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IC78, IC79, IC80 & IC81 are not populated (i.e. if it's an upright PCB version).
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Also note all these signals are present somewhere on the main PCB even if those logic chips
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are not populated and regardless of the ROM set used. Most likely any ROM set will work
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as a Deluxe version if the Motor PCB is present and working.
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DIP Switches
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------------
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DIPSWA
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|--------------------------------|---------------|-------------------------------|
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| 1 2 3 4 5 6 7 8 | Function | Option |
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|--------------------------------|---------------|-------------------------------|
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|OFF OFF | Cabinet | Upright / Steering Lock* |
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|ON OFF | | Upright / Free Steering |
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|OFF ON | | Cockpit / Steering Lock |
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|ON ON | | Deluxe / Free Steering |
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|--------------------------------|---------------|-------------------------------|
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| OFF | Test Mode | Game* |
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| ON | | Test |
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|--------------------------------|---------------|-------------------------------|
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| OFF | Demo Sounds | On* |
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| ON | | Off |
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|--------------------------------|---------------|-------------------------------|
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| OFF OFF | Coin A | 1 Coin 1 Credit* |
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| ON OFF | | 2 Coins 1 Credit |
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| OFF ON | | 3 Coins 1 Credit |
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| ON ON | | 4 Coins 1 Credit |
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|--------------------------------|---------------|-------------------------------|
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| OFF OFF | Coin B | 1 Coin 2 Credits* |
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| ON OFF | | 1 Coin 3 Credits |
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| OFF ON | | 1 Coin 4 Credits |
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| ON ON | | 1 Coin 6 Credits |
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|--------------------------------|---------------|-------------------------------|
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Notes:
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* = Factory default setting
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Coinage varies by region. Coinage shown is World Coinage.
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DIPSWA 1 & 2 must be set to upright/cockpit cabinets otherwise there is an error on boot-up.
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If both SW1 & SW2 are on, it enables the deluxe motion cabinet and the Motor PCB must be
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present and working otherwise the game will complain with an error on boot-up "DIPSW A INITIAL ERROR!"
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Upright uses digital pedals. Digital Pedals means pedals are micro-switch (on/off only)
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Cockpit/Deluxe uses analog pedals. Analog Pedals means pedals use 5k-ohm potentiometers.
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Steering Lock means steering wheel uses 5k-ohm potentiometers and restricted wheel movement.
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Free Steering means steering wheel uses spinner-like mechanism with additional sensor for center position and spring to re-center the wheel.
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DIPSWB
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|--------------------------------|----------------|-------------------------------|
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| 1 2 3 4 5 6 7 8 | Function | Option |
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|--------------------------------|----------------|-------------------------------|
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|OFF OFF | Difficulty | Medium* |
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|ON OFF | | Easy |
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|OFF ON | | Hard |
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|ON ON | | Hardest |
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|--------------------------------|----------------|-------------------------------|
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| OFF OFF | Timer | 60 Seconds* |
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| ON OFF | | 70 Seconds |
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| OFF ON | | 65 Seconds |
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| ON ON | | 55 Seconds |
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|--------------------------------|----------------|-------------------------------|
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| OFF | Number of | 3* |
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| ON | Nitros | 5 |
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|--------------------------------|----------------|-------------------------------|
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| OFF | Discount On | Yes. 1 Coin To Continue* |
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| ON | Continue | No Discount To Continue |
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|--------------------------------|----------------|-------------------------------|
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| OFF | Criminal Damage| Clear* |
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| ON | On Continue | Carry Over To Continued Game |
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|--------------------------------|----------------|-------------------------------|
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| OFF | Allow Continue | Yes* |
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| ON | | No |
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|--------------------------------|----------------|-------------------------------|
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* = Factory default setting
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Video Board
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-----------
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K1100358A
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J1100158A VIDEO PCB
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K1100358A CHASE HQ CP (sticker)
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|------------------------------------------------------------------------|
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| B52-26.IC15 B52-26.IC52 |
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| B52-17.IC16 B52-17.IC53 |
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| H B52-26.IC17 B52-26.IC54 |-|
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| B52-17.IC18 B52-17.IC55 | |
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| | |
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| 62256 62256 62256 62256 62256 62256 62256 62256 | |
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| | |
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| 62256 62256 62256 62256 62256 62256 62256 62256 | |
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| | |
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| B52-30.IC4 |---------| B52-127.IC156 | |
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| |TAITO | |-|
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| B52-34.IC5 |TC0020VAR| |
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| | | B52-03.IC135 |
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| B52-31.IC6 |---------| B52-126.IC136 |-|
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| B52-27.IC64 B52-124.IC180| |
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| B52-35.IC7 B52-51.IC65 | |
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| B52-50.IC66 B52-25.IC123 | |
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| B52-32.IC8 B52-125.IC112 B52-122.IC124 | |
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| B52-49.IC68 B52-123.IC125 | |
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| B52-36.IC9 | |
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| B52-16.IC92 | |
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| B52-33.IC10 B52-19.IC33 B52-18.IC93 |-|
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| B52-38.IC34 B52-16.IC94 2018 |
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| B52-37.IC11 B52-20.IC35 B52-21.IC51 2018 |
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|------------------------------------------------------------------------|
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Notes:
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2018 - 2k x8-bit SRAM
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62256 - 32k x8-bit SRAM
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IC4/5/6 - MB834100 Mask ROM
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IC7/8/9/10/11/34 - 23C4000 Mask ROM
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IC15/16/17/18/52/53/54/55 - PAL20R8
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IC33/35/51/112/124/125/180 - PAL16L8
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IC92/93/94 - 63S141 Bi-Polar PROM
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IC64/IC123 - PAL20L8
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IC135/136/156 - 63S441 Bi-Polar PROM
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IC68 - 27C64 EPROM
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IC65/66 - 27C512 EPROM
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TC0020VAR - Taito custom IC Sprite Generator
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Motor PCB (only for full motion DX cabinet)
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---------
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J9100093A
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K9100120A
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DRIVE LOGIC P.C.B.
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|-----------------------------------------------|
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| BRT BRY T1 T2 Y1 Y2 OPT | <-- 7 LEDs
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| |
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| B14-32.IC27 HC14 |
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| 4584 B14-33.IC26 LS07 TL081 TL081 |
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|1 4584 LS02 b1|
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|8 D4701 LS32 TL081 TL081 |
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|W TLP521-4 LS139 |
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|A D4701 LS74 TL081 TL081 |
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|Y LS393 b2|
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| LS273 LS393 |
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| LS273 LS161 LS30 |
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| LS273 LS161 LS04 |
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| LS244 LS273 LS161 LS138 |
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| LS245 LS245 LS161 |
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| LS157 2016 |
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| 2016 |
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|R LS157 LS138 27C256.IC17 |
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| |
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| LS157 B14-34.IC6 Z80 |
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| |
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|-----------------------------------------------|
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Notes: (all IC's shown)
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R - 50 pin flat cable connector joining to main board connector M
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18WAY - 36 pin card edge connector joining to numerous sensors and switches on the DX cabinet
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b1/b2 - 20 pin flat cable joining 2x Motor Power PCBs to Drive Logic PCB
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Z80 - Z80A CPU. Clock input 3.000MHz from main board (24/8)
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27C256 - 32k x8-bit EPROM
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TLP521-4 - Toshiba TLP521-4 Photocoupler With 4 Isolated Channels
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D4701 - NEC D4701 Incremental Encoder Counter
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TL081 - Texas Instruments TL081 JFET-Input Operational Amplifier
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4584 - Hex Schmitt Trigger Logic IC
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2016 - 2k x8-bit SRAM
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B14-* - PAL16L8. Note the PALs and this Drive Logic PCB come from a Top Speed DX.
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The Chase HQ DX cabs are just converted Top Speed DX cabs.
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****************************************************************************
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@ -1200,6 +1499,8 @@ READ16_MEMBER(taitoz_state::dblaxle_steer_input_r)
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return 0x00;
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}
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// TODO: proper motorcpu hook-up
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|
||||
READ16_MEMBER(taitoz_state::chasehq_motor_r)
|
||||
{
|
||||
@ -3862,6 +4163,9 @@ ROM_START( chasehq )
|
||||
ROM_REGION( 0x10000, "audiocpu", 0 ) /* Z80 sound cpu */
|
||||
ROM_LOAD( "b52-137.51", 0x00000, 0x10000, CRC(37abb74a) SHA1(1feb1e49102c13a90e02c150472545cd9f6334da) )
|
||||
|
||||
ROM_REGION( 0x8000, "motorcpu", 0 )
|
||||
ROM_LOAD( "27c256.ic17", 0x0000, 0x8000, CRC(e52dfee1) SHA1(6e58e18eb2de3c899b950a4307ea21cd23683657) )
|
||||
|
||||
ROM_REGION( 0x80000, "gfx1", 0 )
|
||||
ROM_LOAD( "b52-29.27", 0x00000, 0x80000, CRC(8366d27c) SHA1(d7c5f588b39742927228ce73e5d69bda1e903df6) ) /* SCR 8x8 */
|
||||
|
||||
@ -3941,6 +4245,9 @@ ROM_START( chasehqj )
|
||||
ROM_REGION( 0x10000, "audiocpu", 0 ) /* Z80 sound cpu */
|
||||
ROM_LOAD( "b52-134.51", 0x00000, 0x10000, CRC(91faac7f) SHA1(05f00e0909444566877d0ef678bae49f107e1628) )
|
||||
|
||||
ROM_REGION( 0x8000, "motorcpu", 0 )
|
||||
ROM_LOAD( "27c256.ic17", 0x0000, 0x8000, CRC(e52dfee1) SHA1(6e58e18eb2de3c899b950a4307ea21cd23683657) )
|
||||
|
||||
ROM_REGION( 0x80000, "gfx1", 0 )
|
||||
ROM_LOAD( "b52-29.27", 0x00000, 0x80000, CRC(8366d27c) SHA1(d7c5f588b39742927228ce73e5d69bda1e903df6) ) /* SCR 8x8*/
|
||||
|
||||
@ -4101,6 +4408,9 @@ ROM_START( chasehqu )
|
||||
ROM_REGION( 0x10000, "audiocpu", 0 ) /* Z80 sound cpu */
|
||||
ROM_LOAD( "b52-137.51", 0x00000, 0x10000, CRC(37abb74a) SHA1(1feb1e49102c13a90e02c150472545cd9f6334da) )
|
||||
|
||||
ROM_REGION( 0x8000, "motorcpu", 0 )
|
||||
ROM_LOAD( "27c256.ic17", 0x0000, 0x8000, CRC(e52dfee1) SHA1(6e58e18eb2de3c899b950a4307ea21cd23683657) )
|
||||
|
||||
ROM_REGION( 0x80000, "gfx1", 0 )
|
||||
ROM_LOAD( "b52-29.27", 0x00000, 0x80000, CRC(8366d27c) SHA1(d7c5f588b39742927228ce73e5d69bda1e903df6) ) /* SCR 8x8*/
|
||||
|
||||
|
@ -213,6 +213,8 @@ CUSTOM_INPUT_MEMBER(topspeed_state::pedal_r)
|
||||
return retval[port != nullptr ? port->read() & 7 : 0];
|
||||
}
|
||||
|
||||
// TODO: proper motorcpu hook-up
|
||||
|
||||
READ16_MEMBER(topspeed_state::motor_r)
|
||||
{
|
||||
switch (offset)
|
||||
@ -683,6 +685,9 @@ ROM_START( topspeed )
|
||||
ROM_LOAD( "b14-25.67", 0x00000, 0x04000, CRC(9eab28ef) SHA1(9a90f2c1881f4664d6d6241f3bc57faeaf150ffc) )
|
||||
ROM_CONTINUE( 0x10000, 0x0c000 ) // Banked stuff
|
||||
|
||||
ROM_REGION( 0x8000, "motorcpu", 0 )
|
||||
ROM_LOAD( "27c256.ic17", 0x0000, 0x8000, CRC(e52dfee1) SHA1(6e58e18eb2de3c899b950a4307ea21cd23683657) )
|
||||
|
||||
ROM_REGION( 0x40000, "gfx1", 0 ) // SCR tiles
|
||||
ROM_LOAD16_BYTE( "b14-07.54", 0x00000, 0x20000, CRC(c6025fff) SHA1(439ed85b0160bfd6c06fd42990124a292b2e3c14) )
|
||||
ROM_LOAD16_BYTE( "b14-06.52", 0x00001, 0x20000, CRC(b4e2536e) SHA1(c1960ee25b37b1444ec99082521c4858edcf3484) )
|
||||
@ -733,6 +738,9 @@ ROM_START( topspeedu )
|
||||
ROM_LOAD( "b14-25.67", 0x00000, 0x04000, CRC(9eab28ef) SHA1(9a90f2c1881f4664d6d6241f3bc57faeaf150ffc) )
|
||||
ROM_CONTINUE( 0x10000, 0x0c000 ) // Banked stuff
|
||||
|
||||
ROM_REGION( 0x8000, "motorcpu", 0 )
|
||||
ROM_LOAD( "27c256.ic17", 0x0000, 0x8000, CRC(e52dfee1) SHA1(6e58e18eb2de3c899b950a4307ea21cd23683657) )
|
||||
|
||||
ROM_REGION( 0x40000, "gfx1", 0 ) // SCR tiles
|
||||
ROM_LOAD16_BYTE( "b14-07.54", 0x00000, 0x20000, CRC(c6025fff) SHA1(439ed85b0160bfd6c06fd42990124a292b2e3c14) )
|
||||
ROM_LOAD16_BYTE( "b14-06.52", 0x00001, 0x20000, CRC(b4e2536e) SHA1(c1960ee25b37b1444ec99082521c4858edcf3484) )
|
||||
@ -768,6 +776,9 @@ ROM_START( fullthrl )
|
||||
ROM_LOAD( "b14-25.67", 0x00000, 0x04000, CRC(9eab28ef) SHA1(9a90f2c1881f4664d6d6241f3bc57faeaf150ffc) )
|
||||
ROM_CONTINUE( 0x10000, 0x0c000 ) // Banked stuff
|
||||
|
||||
ROM_REGION( 0x8000, "motorcpu", 0 )
|
||||
ROM_LOAD( "27c256.ic17", 0x0000, 0x8000, CRC(e52dfee1) SHA1(6e58e18eb2de3c899b950a4307ea21cd23683657) )
|
||||
|
||||
ROM_REGION( 0x40000, "gfx1", 0 ) // SCR tiles
|
||||
ROM_LOAD16_BYTE( "b14-07.54", 0x00000, 0x20000, CRC(c6025fff) SHA1(439ed85b0160bfd6c06fd42990124a292b2e3c14) )
|
||||
ROM_LOAD16_BYTE( "b14-06.52", 0x00001, 0x20000, CRC(b4e2536e) SHA1(c1960ee25b37b1444ec99082521c4858edcf3484) )
|
||||
|
Loading…
Reference in New Issue
Block a user