On Wed, 15 May 2013, G. wrote: On Wed, 15 May 2013 21:49:14 -0000, you wrote: Oh, and there is the patch to enable the idle feature of KLH10 too! That will be even more helpful! Patching monitor sources, rebuilding monitor modules and then replacing them into TOPS10.REL is a bit involved and now here is late evening, so remember me tomorrow or in a couple of days. :) For now I'll just write how to patch the monitor file because it's quickier. First of all, add the following to your KLH10 initialization file: devdef idler 740 host Then make a copy of your SYSTEM.EXE and work on the copy: ..R FILDDT File: xxxxxx.EXE/P <--- /p to enable patching [Patching file DSKB:xxxxxx.EXE[1,2]] [35118 symbols loaded from file] [ACs copied from CRSHAC to 0-17] <--- FILDDT prints nothing, but it's ready to accept commands nulcod+1/ <--- type this and nothing more nulcod+1/ SOJG W,P <--- DDT will show you the contents of that location nulcod+1/ SOJG W,P CONO 740,1 <--- tell him to put this there instead and press enter to confirm <--- if all goes well FILDDT prints nothing again (friendly, isn't it?) ^Z <--- to save and exit Now try to boot with your patched monitor and see if does idle KLH10. This monitor will work only if there is a device at address 740. That didn't quite work as planned... ?Stopcode KNIKSP, type=INFO, on CPU0 at 15-May-113 18:43:58 [Continuing system] It's idling...but by idling it's stopping completely. ;) G. -- Cory Smelosky http://gewt.net/ Personal stuff http://gimme-sympathy.org Experiments