Subj : RE: ms-dos text mode tricks
To   : hollowone
From : Aurelius
Date : Sat Dec 30 2023 04:07:23

  Re: RE: ms-dos text mode tricks
  By: NuSkooler to hollowone on Fri Dec 29 2023 19:37:53

A lot of weird tricks were done by directly accessing the BIOS directly, or the
VGA card's registers. It's how this virus from the early 90's called BIGJOKE
did some neat visual tricks. I actually decompiled it with Ghidra to see what
it was doing.
Aurelius
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