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I've lumped all these together - as they're basically the same as making a Saturn2JAMMA harness you should read through that project first before attempting any of these projects. |
The MegaDrive/Genesis I has to be the easiest console to put inside a cabinet - it requires no electronics whatsoever.
The Master System I just requires an audio amp.
You need....
1 JAMMA fingerboard
2 Joypads
1 8pin din plug
1 Stereo Mini Jack (for MD/Genesis)
or
1 audio amp (for Master System)
Both consoles have the same AV pinout,
which is
(looking at the end of the din plug)
For the MD/Genesis and Master System - wire in ground, comp. sync, red,green and blue
For the MD/Genesis take the audio from the headphone socket at the front of the console - for the Master System you need to take the audio from the AV outputs and run that through your audio amp.
Wire in the controllers as per the Saturn - and that's all there is to it.
Differences to Saturn Adaptor:
No need for a sync splitter chip
No need for an audio amp (MD/Genesis I)
SNES
There has been some mention of the PAL SNES not outputting composite sync.
to be on the safe side I used a sync splitter on the composite video output
to generate composite sync as per the Saturn.
The only other strange thing about the SNES is that it's expecting a different load to the one provided by an arcade monitor.
To fix the problem, you need to connect a 100 ohm (something in the range 100 - 200 should be okay) resistor between composite video and ground.
You need....
1 JAMMA fingerboard
1 SNES RGB Scart cable
2 Joypads
1 Audio amp
1 100ohm resistor
It's easier to just go off the SCART pinout, but for completeness the AV pinouts of the SNES are as follows:
1 Red
2 Green
3 Composite Sync (may not be present on PAL machines)
4 Blue
5 Ground
6 Ground
7 S-Video Y
8 S-Video C
9 Composite Video
10 +5V
11 Mono Audio
12 L-R (used to calculate stereo)
Looking at the cable, the pins match up as follows:-
Differences to Saturn Adaptor:
Requires a 100ohm resistor between composite video and ground
Playstation
Wiring in a Playstation is identical to wiring in a Saturn.