[Feb/25/98]


Game Name     Chip type   Position  Revision  Checksum  Notes
*----------------------------------------------------------------
Hoccer
               2764         3K       V2-6C      063F    CPU OVG-51A
               2764         3L       V2-6C      69EB    CPU OVG-51A
               2764         3M       V2-6C      7597    CPU OVG-51A
               2764         3P       V2-6C      9388    CPU OVG-51A
               2764         5C       V2-6C      A018    Video board
               2764         5D       V2-6C      DBCB    Video board
               74S287       1C                  01B4    Color Prom? Vid Board
               74S287       1B                  01E1    Color Prom? Vid Board



BOARD ID

2 boards, top board containing a Z80 & AY-3-8910 measures 5.5 inches by 11.5
inches.  Bottom board is 7.5 inches by 11.5 inches and connects to the top
viva a 50 wire ribbon cable.  The boards were orginally manufactered by ORCA
but the logo (Orca killer whale) has been removed but the board markings
remain - OVG-51A on the top board & OVG-54C on the bottom.  The Eproms are
2764s that have been hacked to fit in 24 pin sockets that the board was
originally designed for.  Eproms are marked HR #.

PINOUTS

                 Parts                       Solder

                    2P Down      1      2P Up
                                 2
                                 3
                   2P Right      4      2P Left
                                 5
                                 6
                    1P Down      7      1P Up
                                 8
                                 9
                   1P Right     10      1P Left
                                11
                                12
                                13      Coin Switch
                   2P Start     14      1P Start
                   2P Shoot     15      1P Shoot
                    +12 VDC     16      Speaker + (GND other side)
                     +5 VDC     17      +5 VDC
                     +5 VDC     18      +5 VDC
                        GND     19      GND
                        GND     20      GND
                 Video Blue     21      Video Sync
                  Video Red     22      Video Green

DIP SWITCHES

GAME STYLE Dip Sw 1

Upright  Off
Table    On
       
SCREEN FLIP  Dip Sw 2

Normal   On
Reverse  Off

DIFFICULTY  Dip Sw 3,4

Easy   Off, Off
       On, Off
       Off, On
Hard   On, On

NUMBER of LIVES Dip Sw 5,6

3    Off, Off
4    On, Off
5    Off, On
6    On, On

COINS Per CREDIT  Dip Sw 7, 8

1/1    Off, Off
1/2    On, Off
1/3    Off, On
2/1    On, On
 
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