Fathom

Game Information
manufacturer Bally
year 1981
genre N/A
downloads 23
Screenshots
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Download Details
split set fathom.zip 13.75k
merged set fathom.7z 12.88k
standalone set fathom.7z 12.88k
Game Details
Pinball published 44 years ago:

Fathom (c) 1981 Bally.

- TECHNICAL -

Bally MPU AS-2518-35 (Squawk and Talk)
Model Number : 1233

Main CPU : M6800 (@ 475 KHz)
Sound CPU : M6802 (@ 895 KHz)
Sound chips : General Instrument AY8910 (@ 895 KHz), DAC, Texas Instruments TMS5220 (@ 640 KHz)

- TRIVIA -

Released in August 1981. 3,500 units were produced.

The development of this game took 8 months (started in December 1980).

- STAFF -

Designer : Ward Pemberton
Artwork : Greg Freres, Kevin O'Connor
Dots/Animation by : Kevin O'Connor

- CONTRIBUTE -

Edit this entry: https://www.arcade-history.com/?&page=detail&id=5357&o=2
Driver Details
source pinball/by35.cpp
status preliminary
emulation preliminary
savestate supported
Screen Details
Input Details
player 1
type keypad
buttons 33
directions N/A
Chipset Details
name Motorola MC6800
clock 517.58khz
name Motorola MC6802
clock 3.41mhz
name Speaker
clock N/A
name Samples
clock N/A
name Bally Squawk & Talk Board
clock 3.41mhz
name RC Filter
clock N/A
name AD558 DAC
clock N/A
name RC Filter
clock N/A
name TMS5200
clock 625.00khz
name Speaker
clock N/A
ROM Details
name size crc
842-08_2.732 4.00k 1180f284
720-53_6.732 4.00k c2e92f80
842-01_4.532 4.00k 2ac02093
842-02_5.532 4.00k 736800bc