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</o:shapelayout></xml><![endif]--></head><body bgcolor=white lang=EN-US link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>The programmatic method Rick provided (and Tim suggested enhancements to) is perfect when you’ve got a working system that has the necessary pieces to run VMS.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>Meanwhile, there may be systems which no longer have enough working pieces to actually run any program to extract the ROM contents, or the only OS they have access to on local storage isn’t VMS. <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>As long as the system runs well enough to get to the >>> prompt on the system console, the console itself can be used to extract the ROM contents. For example, the MicroVAX 3900’s ROM is at 20040000 and is 128Kb (0x20000) in length (which is 0x8000 Longwords).<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>To display the whole ROM contents from the console prompt:<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'> >>> E /N:7FFF 20040000<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'> P 20040000 FE112211<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'> P 20040004 01530302<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'> P 20040008 00038931<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'> […]<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'> P 2005FFF8 00000000<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'> P 2005FFFC 00000000<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'> >>> <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>Capturing the console session’s content and manipulating the captured text into a binary ROM image is left as a programming exercise.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>Some systems may not have the /N:nnn option in the console command language. Those would be reduced to explicit E commands for each longword of the ROM:<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'> >>>E 20040000<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'> P 20040000 FE112211<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'> >>>e<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'> P 20040004 01530302<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'> >>>e<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'> P 20040008 00038931<o:p></o:p></span></p><p class=MsoNormal style='text-indent:.25in'><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'> Etc…<o:p></o:p></span></p><p class=MsoNormal><a name="_MailEndCompose"><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></a></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></p><p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><span style='mso-list:Ignore'>-<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>Mark<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></p><div style='border:none;border-left:solid blue 1.5pt;padding:0in 0in 0in 4.0pt'><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:windowtext'>From:</span></b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:windowtext'> Simh [mailto:simh-bounces@trailing-edge.com] <b>On Behalf Of </b>Timothe Litt<br><b>Sent:</b> Sunday, March 19, 2017 4:39 AM<br><b>To:</b> simh@trailing-edge.com<br><b>Subject:</b> Re: [Simh] VAX 8200<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p>Don't be discouraged from posting. Nothing wrong with a quick hack. They do tend to have a longer than intended life, and considering the range of experience on the list, I thought it worth taking a couple of minutes to suggest a more robust implementation.<o:p></o:p></p><p>I did restrain myself and did not point out how to provide command line arguments (foreign or DCL command table), create a VMS help file, internationalize messages or build a VMSINSTAL (or PCSI) kit :-) It is, after all, a QUICK hack...<o:p></o:p></p><p>Later hardware uses FLASH parts, which aren't socketed (well, very rarely), so even for people who have the hardware skills to remove ROMs, there's a future use for a utility. Plus, it works in simulation :-)<o:p></o:p></p><p><o:p> </o:p></p><p class=MsoNormal>On 18-Mar-17 21:01, Rick Murphy wrote:<br><br><o:p></o:p></p><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><p class=MsoNormal>On 3/18/2017 12:23 PM, Timothe Litt wrote: <br><br><o:p></o:p></p><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><p class=MsoNormal style='margin-bottom:12.0pt'><br>Even though someone found a utility for the 8200, a program like this is handy for other machines (and device roms). <br><br>A good outline of the essentials of PFN (and file) mapping, but for general use... <o:p></o:p></p></blockquote><p class=MsoNormal style='margin-bottom:12.0pt'>Timothe, well spotted (I actually noticed the lack of $close when posted, and said, oh well... it does the job.) <br>However, remind me to never post any quick hack here ever again. :) <br><br>This was used to pull an image of the ROM, initially to probe the code with VMS PATCH, eventually to dupe the ROM. In the end, it was easier to just pull the ROMs and duplicate them. <br> -Rick <o:p></o:p></p></blockquote><p class=MsoNormal><o:p> </o:p></p></div></div></body></html>