Johnny Billquist said: >> There's actually a cheesy way to do demand paging with microprocessors >> that don't support demand paging (such as the original 68000--another >> "16 bit" machine). The way to do this is to run two processors in parallel >> but skewed by one instruction. If the first one does a bad memory fetch, >> then the second one will not have fetched the instruction causing the >> fault so contains restartable machine state. Masscomp sold a machine >> like this once.
>Didn't the first Apollos do this? And also the Sun 1. -- Rick Kelly [EMAIL PROTECTED] <http://www.rmkhome.com/> <http://rkba.rmkhome.com/> _______________________________________________ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"