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No up direction in port 1...


Mauro72

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Hi,

I have this problem since blowup the first 74LS541N, the controller of port 1 and replaced with socket + new 74LS541N.

No way to move up, the remain actions, fire, left, right, down are working. The Port 2 is Ok, all directions, fire, etc.

Tested with 4 coleco original joyticks, all with this issue, no up movement.

What pin control the up movement? May be a faulty track? Which? Any help?

Thanks!

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