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Posted Mon Jun 28, 2010 7:07 AM
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Edited by cparsley, Mon Jun 28, 2010 8:53 AM.
Posted Mon Jun 28, 2010 11:53 AM
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Edited by revolutionika, Mon Jun 28, 2010 7:00 PM.
Posted Mon Jun 28, 2010 9:28 PM
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Posted Sat Jul 17, 2010 5:40 PM
It would probably be easier to use an external USB adapter for the old controllers. Such an adapter has already been designed (I posted a link in another thread).
What I would like to see done, or do myself, is find a non working INTV or INTV controler, gut it, and replace the innards with a modern USB game pad that has 10 or more buttons.
You would be able to play most of the games, so long as at least the top and bottom side buttons, 1, 2, 5, and Enter are mapped.
How hard of a project do you think this would be?
Posted Thu Nov 11, 2010 10:12 AM
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Posted Sun Nov 14, 2010 12:11 PM
Problem you'll have with diagonals is what I found - you can use the pinout as per my diagram to get the keypad working no problem (using diodes or it doesn't work), the problem is that if you're using a normal d-pad, which is 4 directions, when you press diagonals it registers two of them, eg up and right to give diagonal up/right, which works for everything else, however, with the Intellivision, you don't get proper diagonals at all. The reason for that is the controller is set out as 16 way, as we all know (even though it didn't work too well in practice, even with a new console in 1980 as I recall), so when you press diagonal on the d-pad it uses the normal connection (wire 8 as I recall) which gives more like NNE or NEE as direction and not NE. What happens on the Intellivision is if you press NE it uses pin 9 instead of 8 (as I recall off memory). This means the only way to make true diagonals on a d-pad is to use a programmable chip/logic chip to say "If up and right pressed then use pin 9 else use pin 8". I don't know how to do this, if anyone does and can provide an easy circuit that works, please post it.
Posted Mon Nov 15, 2010 9:51 AM
Posted Fri Nov 19, 2010 10:03 PM
Posted Sat Nov 20, 2010 3:50 AM
Posted Sat Nov 20, 2010 3:25 PM
Given the choice of proper 4 way directions and not good diagonals or good diagonals but not so good 4 way directions, i'd have thought proper 4 way would be preferred? Problem is of course that games will be unplayable in either combination that need more sensitive movements but then those types of games were hit and miss on accuracy anyway.
What are the AND logic gates you saw? Other option is a proper 8 way digital joystick, however the only small one I know of is the one used on the GP2x which is far from good anyway as the directions are not proportioned properly.
Posted Sat Nov 20, 2010 5:44 PM
Posted Sat Nov 20, 2010 6:20 PM
Posted Sat Nov 20, 2010 7:20 PM
I don't see how the diagram could activate one connection (pin 9) instead of another one (pin 1), perhaps elaborate? Connections are by the nature hard wired. If it works, great, I want to use it.
No issue getting 5v, just put three watch batteries in there, would the circuit work off 4.5v instead of 5v or does it need 5v?
Interesting find about buttons 7,8,9 - perhaps that kills the idea of proper diagonals?
Tron Deadly Discs works fine as 4 way, actually, the game is far easier to play especially when lining up to kill the repair robot - quite easy now.
I think the only games that would suffer in real terms are the likes of Skiing as many Intellivision games are 4 way anyway or having poor diagonals don't matter. That's my findings anyway.
Interested to hear your further findings!
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