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Forums > C64 Coding > Controlling that colour change bug thing
2010-08-13 19:36
Conrad

Registered: Nov 2006
Posts: 856
Controlling that colour change bug thing



Would any hardware gurus/coders care to explain what causes this bug to appear and is it possible to control its visibility, code wise?

Thanks.
 
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2012-04-24 07:49
ready.

Registered: Feb 2003
Posts: 441
CPU temperature monitoring was done already using adresses $00 or $01, can't remember exaclty.
2012-04-24 07:53
yago

Registered: May 2002
Posts: 333
Measuring CPU tempereature is already possible.

Its done via $00/$01.

Set up the DDR ($00) as output for unused (upper) bits, then to input, and measure the Time it takes to discharge the bits at $01.

Repeat this often, and you will see clear difference between cold and hot CPU.
2012-04-24 08:36
JAC

Registered: Aug 2002
Posts: 57
That's the cool thing about coder forums. Even if you post complete nonsense or jokes you get a proper answer stating it has already been implemented :-)
2012-04-24 14:23
chatGPZ

Registered: Dec 2001
Posts: 11523
Quote:
Measuring CPU tempereature is already possible.

well, not at all. you can read some value which somehow changes over time, in a completely non predictable way. this is far away from "measuring temperature".
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