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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>OK, so the original hardware supported single cycle stepping.<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'>What would expect to happen in the simulator if you stepped single cycles? What details would you want to have access to after stepping at the cycle level?<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 #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> simh-bounces@trailing-edge.com [mailto:simh-bounces@trailing-edge.com] <b>On Behalf Of </b>Doug Snyder<br><b>Sent:</b> Wednesday, September 04, 2013 10:32 PM<br><b>To:</b> Mark Pizzolato - Info Comm<br><b>Cc:</b> simh@trailing-edge.com<br><b>Subject:</b> Re: [Simh] single cycle stepping for pdp11<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>many (if not all) of the pdp11 models support single cycle stepping. to more accurately model an actual pdp11, it would be nice if simh could model that feature. not being able to model that feature is certainly not the end of the world, but it is a noticeable difference.<o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>doug<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div></div><div><p class=MsoNormal style='margin-bottom:12.0pt'><o:p> </o:p></p><div><p class=MsoNormal>On Wed, Sep 4, 2013 at 10:15 PM, Mark Pizzolato - Info Comm <<a href="mailto:Mark@infocomm.com" target="_blank">Mark@infocomm.com</a>> wrote:<o:p></o:p></p><p class=MsoNormal style='margin-bottom:12.0pt'>On Wednesday, September 04, 2013 at 10:08 PM, Doug Snyder wrote:<br>> it appears that simh supports single instruction stepping, but not single cycle stepping for the pdp11.<br> ><br>> if this is the case, have there been attempts or requests to add single cycle support?<br><br>Hi Doug, <br><br>The core behaviors of the simh simulators are built around the execution of instructions. This is the level which things are simulated at.<br><br>What problem are you trying to solve or deal with your request to be concerned about clock cycles?<br><span style='color:#888888'><br><span class=hoenzb>- Mark</span></span><o:p></o:p></p></div><p class=MsoNormal><o:p> </o:p></p></div></div></div></body></html>