Forth has been a recognized programming language since the 1970's. ColorForth is a redesign of this classic language for the 21st century. It also draws upon a 20-year evolution of minimal instruction-set microprocessors. Now implemented on modern PCs, it runs stand-alone without an operating system. Forth is a stack-based language invented by Charles H. Moore in the 1970s. Although designed for hardware control, interactive programming, and writing applications; it is itself somewhat esoteric compared to other mainstream languages. Its very simple syntax and operandless computational model allow it to have very compact implementations. It has inspired many other stack-based esoteric languages, such as FALSE and Befunge.
macro begin here ; while ansi-if swap ; repeat branch then ;Contrast this with:
: begin here ; immediate : while postpone if swap ; immediate : repeat postpone branch postpone then ; immediate
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