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12 January 2010, 01:32
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#1 |
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Registered User
Join Date: Aug 2009
Location: Zanzibar
Posts: 59
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A500 controller ports gone mad
Hello all. I just got A500 from friend. Floppy drive was bad so I moded some PC flopy and replaced it. Working good. Now, the problem is with mouse/joy ports. Mouse arrow goes only to right and down, even if I move it up and left. Joystick also doesn`t work good. I have to press left-down to move left and right-up to move right. Other directions are not working at all. 9-pin connectors are fine, what IC to check first for this kind of problem?
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12 January 2010, 03:47
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#2 |
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I hate potatos and shirts
Join Date: Oct 2007
Location: Sao Leopoldo / Brazil
Age: 58
Posts: 3,482
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CIA.
Swap it for its twin sister. If another part of the A500 quits working but mouse/joystick start to work, you know why. |
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12 January 2010, 08:18
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#3 |
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WinUAE developer
Join Date: Aug 2001
Location: Hämeenlinna/Finland
Age: 49
Posts: 26,502
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U15 or Denise. U15 most likely.
It can't be CIA (firebutton only) or Paula (second or 3rd button only) |
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13 January 2010, 19:40
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#4 |
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Registered User
Join Date: Aug 2009
Location: Zanzibar
Posts: 59
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Replaced 74ls157 (U15) and it`s working now. Thanx for the info guys.
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