Re: 2K program memory limitation?
Alex Holden <[email protected]> Sat, 20 Nov 2004 12:33:49 +0000
| Newsgroups | gmane.comp.lang.forth.picforth |
|---|---|
| Message-ID | <[email protected]> |
David McNab wrote: > Alex Holden wrote: >> I was reading picforth.fs trying to fathom out how it works, when I >> came across this bit: >> \ We are not being strict here. At this time, we assume that all the >> \ code fits in 2kwords (11 bits addressing) and that main data fits in >> \ one bank (except special registers). >> 2000 constant code-size >> Does this mean that picforth is only capable of using the first 2K >> instructions > At that stage in picforth.fs, the radix has been set to hex. > '2000' means 8192 bytes. Ah! I remember why it confused me. The _comment_ says "2kwords (11 bits addressing)" even though the actual limit in the code is 8kwords (13 bits addressing). -- ------------ Alex Holden - http://www.linuxhacker.org ------------ If it doesn't work, you're not hitting it with a big enough hammer