_..--+~/@-~--.     Retro-programming: materials about
               _-=~      (  .   '    DOS programming, 8-bit consoles
            _-~     _.--=.\ \''''    emulation and other prehistoric
          _~      _-       \ \_\     technologies.
         =      _=          '--'
        '      =                             .
       :      :       ____                   '=_. ___
  ___  |      ;                            ____ '~--.~.
       ;      ;                               _____  } |
    ___=       \ ___ __     __..-...__           ___/__/__
       :        =_     _.-~~          ~~--.__
  _____ \         ~-+-~                   ___~=_______
       ~@#~~ == ...______ __ ___ _--~~--_

File formats

Gameboy

NES

PC

Theory