db2
  • Member for 4 years, 11 months
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How do NES/famicon games produce additional sound channels?
Accepted answer
13 votes

In the case of the Famicom, the extra chip(s) on the cartridge would contain some additional sound generators. The cartridge slot contained a pin that would accept audio from the game cartridge and ...

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Invert LCD screen in DOS 5.0
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8 votes

You can invert the screen on a monochrome Omnibook by holding the Fn key and pressing either of the contrast up/down buttons next to the screen.

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Strange "snow" artifacts when dragging a window in 256-color mode
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5 votes

Well, turns it it was a driver issue, doing a really good impression of a hardware failure. I tried the suggestion of pushing on the chips to see if any pins were loose, but there was no visible ...

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What to do about "Invalid media type"
2 votes

Is it an OmniBook 300 or 425? Then you are in luck, because I've done precisely that with my 300. This is an official support document from HP explaining how to configure a 425 (or 300) without disk ...

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Insert a row, but only across some columns?
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2 votes

Well, I managed to put together something workable. There are two functions: {INSDOWN} and {DELUP} that work like Excel's insert/delete with shifting cells down/up. You can do a whole range, and it ...

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