Good description of the internals of the BasicX line which compiles BASIC code into an intermediate stack-based language: http://home.austin.rr.com/perks/micros/Articles/BasicX%20Internals%20-%20Part%201.htm http://home.austin.rr.com/perks/micros/Articles/BasicX%20Internals%20-%20Part%202.htm http://home.austin.rr.com/perks/micros/Articles/BasicX%20Internals%20-%20Part%203.htm http://home.austin.rr.com/perks/micros/Articles/BasicX%20Internals%20-%20Part%204.htm http://home.austin.rr.com/perks/micros/Articles/BasicX%20Internals%20-%20Part%205.htm http://home.austin.rr.com/perks/micros/Articles/BasicX%20Internals%20-%20Part%206.htm Also see: http://www.basicx.com/ -- Guy Macon <http://www.GuyMacon.com/>