Here is the Atari/Sega Master System(aka Atari
2-button) interface schematic. It can be used for
both Atari and Commodore style DB-9 single- and
dual-button joysticks. The resistors are 1/8
watt, 10K ohm:
If you do not have a dual-button stick,
you may omit the connections to DB9-9.
Last updated April 19, 1999. Comments
This site and all information
contained within is Copyright 1999 Earle F. Philhower, III.
Iomega, Syquest, SparQ, Jaz, Zip, and other names are trademarks
or property of their respective owners.