Rafael Gonzalez <astroraf...@yahoo.es> writes: > Hi, If you want to do a variable jump vector table, that is fine > > If you jump vector table has a known size, you' may also use forth200x > structures for field names. > That is the approach of forths like VFX Forth for its I/O vectors (GENIO > drivers)
Not sure if lib/forth200x/structures.frt is ready for Flash based fields. We should be mindful that the AVR implements Harvard archtecture unlike our PC's von Neumann's. > > > For something more sophisticated as Finite State Machines you may want to > have a look at > http://galileo.phys.virginia.edu/classes/551.jvn.fall01/fsm2.htm > > > Paper explaining it at > http://galileo.phys.virginia.edu/classes/551.jvn.fall01/fsm.html For the above mentioned reason we rarely can copy code verbatim. Hence, the need to create our own tried & tested library. Thanks, Enoch. > Greetings > Rafael > > > > ________________________________ > De: Enoch <i...@hotmail.com> > Para: amforth-devel@lists.sourceforge.net > Enviado: Sábado 16 de febrero de 2013 18:47 > Asunto: [Amforth] Code snippet > > Hi, > > Excuse me folks, while I am a (very) experienced embedded programmer > Forth for me is a new experience. So here's another joy discovery. The > old Forth sage tell us to use decision tables rather than case and > nested if-s, so here's my "sling" for your review that I use in the > implementation of a state machine: > > \ sling table generator, doc via example: > > \ : first ." first" ; > \ : second ." second" ; > \ : third ." third" ; > \ ' third ' second ' first sling shot > \ > \ 1 shot → second ok > \ -1 shot → ok > > : sling create ( i × xt -- ) > depth , begin depth while , repeat > does> ( n -- ? ) > over over @i U< > if 1+ + @i execute > else 2drop > then > ; > > Cheers, Enoch. > > > ------------------------------------------------------------------------------ > The Go Parallel Website, sponsored by Intel - in partnership with Geeknet, > is your hub for all things parallel software development, from weekly thought > leadership blogs to news, videos, case studies, tutorials, tech docs, > whitepapers, evaluation guides, and opinion stories. Check out the most > recent posts - join the conversation now. http://goparallel.sourceforge.net/ > _______________________________________________ > Amforth-devel mailing list for http://amforth.sf.net/ > Amforth-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/amforth-devel > ------------------------------------------------------------------------------ > The Go Parallel Website, sponsored by Intel - in partnership with Geeknet, > is your hub for all things parallel software development, from weekly thought > leadership blogs to news, videos, case studies, tutorials, tech docs, > whitepapers, evaluation guides, and opinion stories. Check out the most > recent posts - join the conversation now. http://goparallel.sourceforge.net/ > _______________________________________________ > Amforth-devel mailing list for http://amforth.sf.net/ > Amforth-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/amforth-devel ------------------------------------------------------------------------------ The Go Parallel Website, sponsored by Intel - in partnership with Geeknet, is your hub for all things parallel software development, from weekly thought leadership blogs to news, videos, case studies, tutorials, tech docs, whitepapers, evaluation guides, and opinion stories. Check out the most recent posts - join the conversation now. http://goparallel.sourceforge.net/ _______________________________________________ Amforth-devel mailing list for http://amforth.sf.net/ Amforth-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/amforth-devel
