[OpenBIOS] Some thoughts on paflof.
segher at chello.nl
Fri Jun 14 01:44:06 CEST 2002
> Thanks for your kind answers. I suppose i do not understand some
> fundamental design decisions.
So please ask :) I (think I) have good reasons for all these
design decisions... :)
> From my knowledge about OpenFirmware i remember, that OF is a
> token threaded ANS-Forth with some extensions for the device-tree
> and a number of tokens (roundabout 300?) have a predefined value.
There's no such requirement in the OF spec.
Some (almost all?) OF implementations are token threaded; they use
FCode tokens as Forth tokens. This is a severe restriction, as this
allows us to build only a few thousand user words; also, it only
complicates things, it doesn't simplify them.
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