Great info! Thanks. :) (nt)

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: : Just finished making up a Dreamcast2JAMMA harness - : : with all the stuff I've got going on at the moment it'll : : be a while before I get to write it up for the site... : : So thought I'd post up a quick bit of info on the Dreamcast controller : : (as it's been the subject of a few posts recently.) : : The standard Sega controller uses a simple common ground setup for : : all it's digitial controls (pad, buttons A,B,X,Y), so for the digital : : controls it's as simple as wiring in just about any other console controller. : : But - it uses Hall Effect sensors for it's 2 analogue buttons and analogue controller. : : (Hall Effect sensors work by detecting changes in magnetic fields) : : From a JAMMA point of view (all digital controls) it's fairly easy to wire in. : : You can force Hall Effect sensors to act like digital switches by connecting the : : appropriate pin to ground. : : On the Dreamcast pad, the 2 analogue button sensors are marked HED5 and HED6, : : to get them working as digital buttons in a cabinet - : : just connect that the following pins (marked 'x') so that when the appropriate button : : is pressed in the cabinet the pin is connected to ground : : HED 5 : : xo : : [] : : oo : : HED 6 : : xo : : [] : : oo : : As for 3rd party Dreamcast controllers - : : Mad Catz Dreamcast controllers work with standard variable resistors : : rather than Hall Effect sensors for their analogue controls : : - so they're easier to rewire to use an analogue joystick. : : Be warned though - the Mad Catz pad does bot use a common : : ground for it's standard digital controls. : : So it's a complete pain to wire into a standard JAMMA cabinet. : : Brian : : -----

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