In my efforts to understand the problem with the Cache/TB Diagnostics I tried to run it under 11/750 simulator in SimH. It fails too!
ECKAL -- VAX 11/750 Cache/TB Diagnostic HALT instruction, PC: 00002608 (MTPR #F,#26) Although not the same location. On the real machine: @?ECKAL -- VAX 11/750 Cache/TB Diagnostic 00003488 06 Trying to disassemble at 3488 in SimH gives me: EXTZV @-1D(R7),#0,#0,(R8)+ The EXTZV is supposed be "Extract Zero-Extended Field" I have never done any VAX-11 assembly coding so this is very new ground for me... As far as I understand the diagnostic starts at address 200. But then understanding what it does without the listing... Well. A long journey for me. /Mattis 2015-06-15 22:07 GMT+02:00 Mark J. Blair <n...@nf6x.net>: > > > On Jun 15, 2015, at 11:59 , tony duell <a...@p850ug1.demon.co.uk> wrote: > > > > > >> I also may dump the console firmware PROMs at some point. I've already > done some preliminary > >> disassembly of the TU58 firmware. > > > > I am pretty sure I dumped all the PROMs and PALs in the CPU of my 11/730 > (but not the ones in the > > R80) long before there was a bitsavers. I can see if I can find the > dumps. What I don't have is the > > Remote Diagnostic ROMs (this was another pair of 2K*4 ROMs that plug > into sockets on the WCS > > board and which run on the 8085). So no dumps of that. > > I have three WCS cards, including the one in my machine, but none of them > have the remote diagnostic option. > > -- > Mark J. Blair, NF6X <n...@nf6x.net> > http://www.nf6x.net/ > >
