VGA Mandelbrot Set

I read Masters of Doom a few weeks ago, and it inspired me to do some old-school DOS VGA graphics programming.


When I was a kid I played around with some sample programs that came with DJGPP or Borland C or Turbo Pascal that did various interesting things with VGA graphics, but beyond modifying the routines slightly to see the effects I never truly understood what exactly was happening.

There’s a fantastic VGA programming tutorial here: Big thanks to David Brackeen for writing that.

I managed to get Borland C installed in DOSBox using this tutorial:

Unfortunately there are not a lot of good DOS programming resources that are easily searchable. I’d really like to figure out how to read keypresses. David’s tutorial covers registering mouse activity, but I can’t find anything for the keyboard.

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