Re: Reviving a VAX-11/750

2015-06-16 Thread Mattis Lind
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: 2608 (MTPR #F,#26) Although not the same location. On the real machine: @?ECKAL -- VAX 11/750

RE: Reviving a VAX-11/750

2015-06-15 Thread tony duell
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

Re: Reviving a VAX-11/750

2015-06-15 Thread Mattis Lind
2015-06-15 17:32 GMT+02:00 Mark J. Blair n...@nf6x.net: I wasn't aware that you are working on a 750 repair. Congratulations on the progress you have already made! Are you using real console tapes, tu58em, or something else? Well. I am probably working on to much simultaneously. But this

Re: Reviving a VAX-11/750

2015-06-15 Thread Mark J. Blair
On Jun 15, 2015, at 11:06 , Mattis Lind mattisl...@gmail.com wrote: Well. I am probably working on to much simultaneously. I am very guilty of that, too! :) Then I compiled your fork of tu58em on github. And it worked perfect. I didn't need to use the special vax mode that you have

Re: Reviving a VAX-11/750

2015-06-15 Thread Mark J. Blair
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