Blinking/fading Asteroids ......... monitor problem

Now here's something I haven't come across before and can't find any
references to - when playing Asteroids, when there are only a few asteroids
left on the screen (less than maybe four, even just one) sometimes the
brightness of a SMALL asteroid will 'blink' off for a few seconds, then
'blink' back on again. When I say the brightness blinks off, I mean that
the asteroid is still visible, it's just not as bright as it was.

It mostly (but not exclusively) only happens when an asteroid passes
through the lower right quadrant of the display.

It isn't noticeable when there are loads of asteroids on the screen, and if
one blinks/fades out then the rest are unaffected.

Now this is definitely a monitor fault (I have the G05-801) as it happens
with other Asteroids boards that I've also tried.

I suspect the deflection board, maybe even one of the output transistors.

I've checked Tom's excellent Black and White vector monitor FAQ but there's
nothing there that seems to be relevant, neither is there anything to be
found with a general web search.

Would anyone care to make any suggestions please?

Thanks,
Phil

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Received on Wed Mar 27 14:07:08 2002