TeX for ATARI ST
  This is just the ST specific executables for TeX. The entire TeX
distribution is large but can be obtained from other sources. 
   The WEB (ie PASCAL) sources for TeX were translated to C by TEX-TO-C.
The C sources had to be modified to get around bugs in the MEGAMAX C
compiler. GNU C should compile the originals.

   There are 2 TeX programs:
   INITEX is only used to build format files (FMT). Once this is
done it can be put away in a safe place.
   VIRTEX (or just TEX) is the production program . It loads the FMT
files (PLAIN for plain TeX , LPLAIN for LATEX etc) and then typesets
your document.
  
   Sugested  directories:
    \TEX\ put TEX.TTP and *.FMT here
    \TEX\TFM\ put TFM files here
    \TEX\INPUTS\ put LATEX Style files etc here

More info on TEXST.TEX .

TeX is written by Donald Knuth
Tex-to-C is written by Tim Morgan and Tony Rokicki