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From: Paul K. <pk...@eq...> - 2002-06-17 20:11:48
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>>>>> "Gregg" == Gregg C Levine <dr...@wo...> writes: Gregg> Hello from Gregg C Levine It's nice to see mail on this list, Gregg> and subject, its been way to quiet lately. However, a quick Gregg> question, then: Has anyone worked with an emulator for the Gregg> PDP-11, called the Ersatz-11? ...Since I believe the original ideas Gregg> behind DECnet surfaced on the PDP-11, (Someone will, and can Gregg> correct me.), that emulator would a perfect fit for testing Gregg> ideas, when we have software but not hardware for them. I now Gregg> invite questions, criticism, and much of anything else Gregg> regarding this statement. Absolutely true. That's how I did my compatibility testing and tweaking to make DECnet/Linux be happy talking to DECnet/E (for RSTS). That works very nicely especially if you use an EtherTAP simulated Ethernet to tie the two together, with tcpdump to watch the packets flying by. Ersatz/11 is an impressive piece of work. I won't say too much more because I'm a biased observer (since John is a friend). Let me just summarize by saying that it supports every PDP11 OS ever tried on it (including hard ones like IAS and 2.11 BSD) and a large collection of emulated I/O devices. paul |
