<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><meta http-equiv=Content-Type content="text/html; charset=us-ascii"><meta name=Generator content="Microsoft Word 15 (filtered medium)"><style><!--
/* Font Definitions */
@font-face
{font-family:Wingdings;
panose-1:5 0 0 0 0 0 0 0 0 0;}
@font-face
{font-family:"Cambria Math";
panose-1:2 4 5 3 5 4 6 3 2 4;}
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
@font-face
{font-family:Menlo;
panose-1:0 0 0 0 0 0 0 0 0 0;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0in;
margin-bottom:.0001pt;
font-size:12.0pt;
font-family:"Times New Roman",serif;}
a:link, span.MsoHyperlink
{mso-style-priority:99;
color:#0563C1;
text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
{mso-style-priority:99;
color:#954F72;
text-decoration:underline;}
p.MsoListParagraph, li.MsoListParagraph, div.MsoListParagraph
{mso-style-priority:34;
margin-top:0in;
margin-right:0in;
margin-bottom:0in;
margin-left:.5in;
margin-bottom:.0001pt;
font-size:12.0pt;
font-family:"Times New Roman",serif;}
span.EmailStyle17
{mso-style-type:personal-reply;
font-family:"Calibri",sans-serif;
color:#1F497D;}
.MsoChpDefault
{mso-style-type:export-only;
font-size:10.0pt;}
@page WordSection1
{size:8.5in 11.0in;
margin:1.0in 1.0in 1.0in 1.0in;}
div.WordSection1
{page:WordSection1;}
/* List Definitions */
@list l0
{mso-list-id:1447651083;
mso-list-type:hybrid;
mso-list-template-ids:-1754253956 -1428160016 67698691 67698693 67698689 67698691 67698693 67698689 67698691 67698693;}
@list l0:level1
{mso-level-start-at:650;
mso-level-number-format:bullet;
mso-level-text:-;
mso-level-tab-stop:none;
mso-level-number-position:left;
text-indent:-.25in;
font-family:"Calibri",sans-serif;
mso-fareast-font-family:Calibri;}
@list l0:level2
{mso-level-number-format:bullet;
mso-level-text:o;
mso-level-tab-stop:none;
mso-level-number-position:left;
text-indent:-.25in;
font-family:"Courier New";}
@list l0:level3
{mso-level-number-format:bullet;
mso-level-text:\F0A7;
mso-level-tab-stop:none;
mso-level-number-position:left;
text-indent:-.25in;
font-family:Wingdings;}
@list l0:level4
{mso-level-number-format:bullet;
mso-level-text:\F0B7;
mso-level-tab-stop:none;
mso-level-number-position:left;
text-indent:-.25in;
font-family:Symbol;}
@list l0:level5
{mso-level-number-format:bullet;
mso-level-text:o;
mso-level-tab-stop:none;
mso-level-number-position:left;
text-indent:-.25in;
font-family:"Courier New";}
@list l0:level6
{mso-level-number-format:bullet;
mso-level-text:\F0A7;
mso-level-tab-stop:none;
mso-level-number-position:left;
text-indent:-.25in;
font-family:Wingdings;}
@list l0:level7
{mso-level-number-format:bullet;
mso-level-text:\F0B7;
mso-level-tab-stop:none;
mso-level-number-position:left;
text-indent:-.25in;
font-family:Symbol;}
@list l0:level8
{mso-level-number-format:bullet;
mso-level-text:o;
mso-level-tab-stop:none;
mso-level-number-position:left;
text-indent:-.25in;
font-family:"Courier New";}
@list l0:level9
{mso-level-number-format:bullet;
mso-level-text:\F0A7;
mso-level-tab-stop:none;
mso-level-number-position:left;
text-indent:-.25in;
font-family:Wingdings;}
ol
{margin-bottom:0in;}
ul
{margin-bottom:0in;}
--></style><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]--></head><body 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'>Hi Quentin,<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'>Please try using the latest code from <a href="https://github.com/simh/simh">https://github.com/simh/simh</a> (available as a zip from <a href="https://github.com/simh/simh/archive/master.zip">https://github.com/simh/simh/archive/master.zip</a>) and confirm if you are still seeing the problems. Also, please identify what telnet client you are using to connected to the DZ ports.<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'>Thanks.<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><a name="_MailEndCompose"><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></a></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'>From:</span></b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'> Simh [mailto:simh-bounces@trailing-edge.com] <b>On Behalf Of </b>Quentin North<br><b>Sent:</b> Monday, February 25, 2019 2:54 PM<br><b>To:</b> simh <simh@trailing-edge.com><br><b>Subject:</b> [Simh] pdp10 mux and clock issue?<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Hi<o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Im using the pdp10 emulator and running tops10 7.0.4 and Im seeing a couple of issues:<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>- Intermittently a terminal session will issue a TOPS-10 command (say R SUBFIL) and the mux will echo the characters but then the session will not do any output from the system until I go to the CTY and get it to output some characters in user mode (ie outside of OPR console) and then the output will be released on the user terminal. Input continues to be echoed but there is no output until I do something on the other terminal. This seems to happen more on simhv3.9-0 vs simhv4.0-0 but occurs on both. Im not sure if this is a mux problem or an execution problem.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>- The clock seems to drift slowly backwards. Over the space of a day it appeared to loose about 5-10 mins.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Does anyone have any ideas of what may be the issue or what further diagnostics I could do when the problem, especially the paused output problem, occurs?<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>The setup is using CPU IDLE, show config is:<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><div><p class=MsoNormal style='background:white'><span style='font-size:8.5pt;font-family:"Menlo",serif'>sim> show conf<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:8.5pt;font-family:"Menlo",serif'>PDP-10 simulator configuration<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:8.5pt;font-family:"Menlo",serif'><o:p> </o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:8.5pt;font-family:"Menlo",serif'>CPU, idle enabled, stability wait = 20s, 1048KW, TOPS-10<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:8.5pt;font-family:"Menlo",serif'>PAG, 2 units<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:8.5pt;font-family:"Menlo",serif'> PAG0, 512W<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:8.5pt;font-family:"Menlo",serif'> PAG1, 512W<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:8.5pt;font-family:"Menlo",serif'>TIM, address=3760770-3760775, Y2K OS<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:8.5pt;font-family:"Menlo",serif'>FE, 2 units<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:8.5pt;font-family:"Menlo",serif'> FE0<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:8.5pt;font-family:"Menlo",serif'> FE1<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:8.5pt;font-family:"Menlo",serif'>UBA, 2 units<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:8.5pt;font-family:"Menlo",serif'> UBA0, 64W<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:8.5pt;font-family:"Menlo",serif'> UBA1, 64W<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:8.5pt;font-family:"Menlo",serif'>PTR, disabled<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:8.5pt;font-family:"Menlo",serif'>PTP, disabled<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:8.5pt;font-family:"Menlo",serif'>RY, disabled<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:8.5pt;font-family:"Menlo",serif'>LP20, address=3775400-3775417, vector=754, attached to printer.out<o:p></o:p></span></p></div></div><div><div><p class=MsoNormal style='background:white'><span style='font-size:8.5pt;font-family:"Menlo",serif'>CR, disabled<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:8.5pt;font-family:"Menlo",serif'>RP, address=1776700-1776747, vector=254, 8 units<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:8.5pt;font-family:"Menlo",serif'> RP0, 39MW, attached to disks/t10b.dsk, write enabled, RP06<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:8.5pt;font-family:"Menlo",serif'> RP1, 39MW, not attached, write enabled, RP06<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:8.5pt;font-family:"Menlo",serif'> RP2, 39MW, not attached, write enabled, RP06<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:8.5pt;font-family:"Menlo",serif'> RP3, 39MW, not attached, write enabled, RP06<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:8.5pt;font-family:"Menlo",serif'> RP4, 39MW, not attached, write enabled, RP06<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:8.5pt;font-family:"Menlo",serif'> RP5, 39MW, not attached, write enabled, RP06<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:8.5pt;font-family:"Menlo",serif'> RP6, 39MW, not attached, write enabled, RP06<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:8.5pt;font-family:"Menlo",serif'> RP7, 39MW, not attached, write enabled, RP06<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:8.5pt;font-family:"Menlo",serif'>TU, address=3772440-3772473, vector=224, 8 units<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:8.5pt;font-family:"Menlo",serif'> TU0, not attached, write enabled, SIMH format, unlimited capacity<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:8.5pt;font-family:"Menlo",serif'> TU1, not attached, write enabled, SIMH format, unlimited capacity<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:8.5pt;font-family:"Menlo",serif'> TU2, not attached, write enabled, SIMH format, unlimited capacity<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:8.5pt;font-family:"Menlo",serif'> TU3, not attached, write enabled, SIMH format, unlimited capacity<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:8.5pt;font-family:"Menlo",serif'> TU4, not attached, write enabled, SIMH format, unlimited capacity<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:8.5pt;font-family:"Menlo",serif'> TU5, not attached, write enabled, SIMH format, unlimited capacity<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:8.5pt;font-family:"Menlo",serif'> TU6, not attached, write enabled, SIMH format, unlimited capacity<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:8.5pt;font-family:"Menlo",serif'> TU7, not attached, write enabled, SIMH format, unlimited capacity<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:8.5pt;font-family:"Menlo",serif'>DZ, address=3760010-3760017, vector=340-344, lines=8, attached to 2020, 8b, 1 connection<o:p></o:p></span></p></div><div><p class=MsoNormal><br><br><o:p></o:p></p></div><div><div><p class=MsoNormal style='background:white'><span style='font-size:8.5pt;font-family:"Menlo",serif'>sim> show ver <o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:8.5pt;font-family:"Menlo",serif'>PDP-10 simulator V3.9-0 [64b data, 32b addresses, no Ethernet]<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:8.5pt;font-family:"Menlo",serif'><br><br><o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:8.5pt;font-family:"Menlo",serif'><br><br><o:p></o:p></span></p></div></div></div></div></div></body></html>