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#1 |
Vampire 2 Amiga Musician
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Guys, I've got a really annoying mouse problem on my Amiga 600 + Vampire 2. Basically when I move it pointer would randomly move in any direction and random mouse buttons get pressed. It happens in workbench and in boot menu so I exclude it can be caused by some program.
So far I have: checked with other mouses had a full recap of the motheboard replaced both CIAs but the problem persists. I was quite sure replacing the CIAs would resolve the issue but no luck so far... Any idea, please? |
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#2 |
Registered User
Join Date: Sep 2007
Location: Stockholm
Posts: 3,318
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Does this happen without Mr Vampire as well?
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#3 |
Vampire 2 Amiga Musician
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I didn't check because I got rid of the kickstart rom, but I'll try since you suggest, thanks!
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#4 |
Vampire 2 Amiga Musician
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OK, no Vampire: same problem...
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#5 |
Vampire 2 Amiga Musician
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Also, I tried this little program http://aminet.net/package/util/misc/jswap and changed the porf for mouse but the problem persists.
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#6 |
WinUAE developer
Join Date: Aug 2001
Location: Hämeenlinna/Finland
Age: 43
Posts: 20,900
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CIAs don't control mouse movement (CIA = left/fire button, Paula = second/third button, Denise = movement).
Most common reason for joystick direction/mouse movement problems is damaged TTL chip between mouse ports and Denise. (A500 = U15, A600 = U34) But in your situation it can't be the cause because it can't explain random button presses. Possibly bad power/ground connection? |
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#7 |
Only Amiga !!
![]() ![]() Join Date: Apr 2017
Location: United Kingdom
Posts: 404
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Have you checked the DE9 port itself? Also look for any trace problems. It could be a short or loose PCB pin. Is the other DE9 working OK?
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#8 |
Registered User
![]() Join Date: Mar 2015
Location: Sheffield UK
Posts: 282
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I had a similar problem (except the button press issue) AND it was just the same with my spare mouse.
I cured it by buying a PS2/usb (inc mouse) converter from Ebay which worked a treat. I think it was only about £15 or so but it fixed the problem (strangely BOTH original mice exhibited exactly the same fault) . Not sure if you want to go this route, but it worked for me. |
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#9 |
Registered User
Join Date: Mar 2012
Location: Norfolk, UK
Posts: 558
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Are you using a real Amiga mouse or a PC mouse with an adapter?
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