In article <7vdo8sfre...@mid.individual.net>, Gregory Ewing <greg.ew...@canterbury.ac.nz> wrote: >MRAB wrote: > >> By the standards of just a few years later, that's not so much a >> microcomputer as a nanocomputer! > >Although not quite as nano as another design published >in EA a couple of years earlier, the EDUC-8: > > http://www.sworld.com.au/steven/educ-8/ > >It had a *maximum* of 256 bytes -- due to the architecture, >there was no way of addressing any more. Also it was >divided into 16-byte pages, with indirect addressing >required to access anything in a different page from >the instruction. Programming for it must have been >rather challenging. > >As far as I know, the EDUC-8 is unique in being the >only computer design ever published in a hobby magazine >that *wasn't* based on a microprocessor -- it was all >built out of 9000 and 7400 series TTL logic chips!
There was the 74 computer in Elektuur (now Elektor). That was a quite respectable computer, built (you guessed) from 74-series chips. How many were built, I don't know. > >-- >Greg Groetjes Albert -- -- Albert van der Horst, UTRECHT,THE NETHERLANDS Economic growth -- being exponential -- ultimately falters. alb...@spe&ar&c.xs4all.nl &=n http://home.hccnet.nl/a.w.m.van.der.horst -- http://mail.python.org/mailman/listinfo/python-list
