Turbo Pascal 3.3f is a reverse engineered project from the original Turbo Pascal 3.0 '.com' file by Frits Hilderink.
Several additions were made: - long integer - memman - a graphical libary called GIOS
For more info and a complete manual see: https://www.generation-msx.nl/software/frits-hilderink/turbo-pascal-v33f/release/6425/