[Mar/15/98]

                     Video Game Chips on Disc           01/06/98


Name   Type   Position    Rev     Checksum   Marked     Notes
*------------------------------------------------------------------------------
Fly Boy
       2732     A10                 9B51     11         ROM Board
       2732     A12                 597D     12         ROM Board
       2732     A13                 5F0F     13         ROM Board
       2732     C11                 EBA5     14         ROM Board
       2732     C12                 E49E     15         ROM Board
       2732     C13                 896E     16         ROM Board
       2732     D10                 DECE     17         ROM Board
       2732     D12                 CA89     18         ROM Board
       2732     D13                 EBA4     19         ROM Board
       2732     F3                  DB58     10         CPU Board
       2732     H3                  94C3     9          CPU Board
       2732     Rom 1               CC83     8          CPU Board
       2732     Rom 2               7390     7          CPU Board
       2732     Rom 3               233F     6          CPU Board
       2732     Rom 4               7824     5          CPU Board
       2732     Rom 5               20FB     4          CPU Board
       2732     Rom 6               07F1     3          CPU Board
       2732     Rom 7               F87F     2          CPU Board
       2732     Rom 8               5124     1          CPU Board

This game is also known in the U.S. as Fast Freddie.


Fast Freddie/Jump Coaster memory map (preliminary)


These games run on a modified Galaxian board.

Main CPU

Fast Fred  Jump Coas
0000-7fff             ROM
c000-c7ff             RAM
d000-d3ff  d800-dbff  Video RAM
d400-d7ff  dc00-dfff  Mirrored Video RAM
d800-d83f  d000-d03f  Attributes RAM
d840-d85f  d040-d05f  Sprite RAM

I/O read:

c800-cfff             Custom I/O (Protection)
e000       e802       Input Port 1
e800       e803       Input Port 2
f000       e800       Dip Switches
f800                  Watchdog Reset

I/O write:

c800-cfff             Custom I/O write
e000                  Background color write
fXX1                  NMI Enable
fXX2-fXX3             Palette Select (?)
fXX4-fXX5             Character Bank Select
fXX6                  Screen Flip X
fXX7                  Screen Flip Y

f800                  Sound Command Write (AY8910 #1 Control Port on Jump Coaster)
f801                  AY8910 #1 Write Port on Jump Coaster


Sound CPU (Only on Fast Freddie)

0000-1fff ROM
2000-23ff RAM

I/O read:

3000 Sound Command Read

I/O write:

3000 NMI Enable
4000 Reset PSG's (?)
5000 AY8910 #1 Control Port
5001 AY8910 #1 Write Port
6000 AY8910 #2 Control Port
6001 AY8910 #2 Write Port

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