Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!swrinde!zaphod.mps.ohio-state.edu!cis.ohio-state.edu!ucbvax!SPOCK.BYU.EDU!csa From: csa@SPOCK.BYU.EDU (lyle bingham) Newsgroups: comp.sys.transputer Subject: Re: Booting T's from byte-wide ROMs. Message-ID: <9106212359.AA07399@.noc.byu.edu.> Date: 22 Jun 91 00:04:23 GMT Sender: daemon@ucbvax.BERKELEY.EDU Organization: The Internet Lines: 14 Yes - See the Transputer Data Book 2nd edition p73 (T805) If BootFromRom is connected high the transputer starts to execute code from the top two bytes in external memory, at address #7FFFFFFE. This location should contain a backward jum should contain a backward jump to a program in ROM. Following this access, BootFromROM may be taken low if required. The processor is in the low priority state, and the W resty and the W register points to MemStart. The above is quoted from the databook It may require some smart circuitry, but it can be done best regards lyle