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Thu Mar 15 18:06:23 EDT 2007

16bit threaded forth compiler/interpreter

let's give them a name: the highlevel forth is PURRR and the lowevel
forth is PURRR/18. here i use shorthand names threaded and native
resp.

first problem is the parser, since the forth needs its own parsing
words. that should be the only real problem. since this forth is
mainly for higher level stuff, i don't need machine constants: all
machine access is solved on a lower layer. actually, the different
namespace is a nice excuse for some simplificiation.

second problem is running code from the brood console. this needs a
little trampoline, since the only way to get out of a running
interpreter is to call 'bye':

' bye -> IP
<addr> _run CONT




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