<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><br><div><div>On Fri, 29 May 2009 08:26:28 +0200 H?lscher <<a href="mailto:hoelscher-kirchbrak@freenet.de">hoelscher-kirchbrak@freenet.de</a>> posits:</div><div><br></div><blockquote type="cite"><span class="Apple-style-span" style="border-collapse: separate; font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; ">I'don't know whether there was specific console software for the VAX-11/782<span class="Apple-converted-space"> </span>(and other dual-/multi-processor machines), </span></blockquote><div><br></div>You'll need to know that sort of detail as you proceed. </div><div><br></div><div>The older VAX boxes all had (for their time) fairly involved console programs; you might well be able to fake most of this for the purposes of a basic boot-and-run emulation, though. You'll really only need to deal with fielding references from VMB and SYSBOOT onwards.</div><div><br></div><div><blockquote type="cite"><span class="Apple-style-span" style="border-collapse: separate; font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; ">I'd really like to see e.g. a simh VAX-11/782!<br></span></blockquote><div><br></div>Have at. </div><div><br></div><div><blockquote type="cite"><span class="Apple-style-span" style="border-collapse: separate; font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; ">What about building the other VAX-11s (750 & 730) for simh?</span></blockquote><div><br></div>Well, have at. You'll need to sort out the boot path and low-level physical layout of the boxes to keep VMB and SYSBOOT and friends happy.</div><div><br></div><div>This is where the old VAX hardware handbooks and CPU technical manuals really help. These give you the physical memory layout and the usual sets of devices.</div><div><br></div><div>The old VAX boxes could have significant low-level hardware differences from one VAX family to the next.</div><div><br></div><div>Differences from one VAX family to the next from user-land code on a uniprocessor VAX? Not so much.</div><div><br><blockquote type="cite"><span class="Apple-style-span" style="border-collapse: separate; font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; ">What else would have to be done except for changing the CPU-ID?<span class="Apple-converted-space"> </span><br></span></blockquote></div><br><div>For VAX/VMS, read through the VMS Internals and Data Structures Manual (IDSM) for the introductory details of the variant bootstraps, and take a look at the SYSLOA* module for the platform in the source listings for the specifics.</div><div><br></div><div><div>If I were going to drop some large quantity of coding cycles into anything, simh Alpha or such would be more interesting (to me).</div><div><br></div></div></body></html>