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  • Mike_Z's Avatar
    Yesterday, 09:56 AM
    Mike_Z replied to a thread CIT-101 terminal in DEC
    Today, I found some time to work on the CIT-101. I've been talking to Ryu. He has done a project to build a USB keyboard that works with a VT-100...
    12 replies | 353 view(s)
  • Mike_Z's Avatar
    February 19th, 2019, 09:10 AM
    Mike_Z replied to a thread CIT-101 terminal in DEC
    Last night a wrote a short Arduino program that would send the end of array signal 07FH to my CIT monitor. Reading the VT100, CIT 101 and RYU's...
    12 replies | 353 view(s)
  • Mike_Z's Avatar
    February 18th, 2019, 04:16 PM
    Mike_Z replied to a thread CIT-101 terminal in DEC
    Ryu, I have looked at your project and tried to contact you via the comment section of the blog. I have fired up the CIT monitor and found that the...
    12 replies | 353 view(s)
  • Mike_Z's Avatar
    February 15th, 2019, 10:10 AM
    Mike_Z started a thread CIT-101 terminal in DEC
    A while ago, Jack Rubin gave me a CIT-101 video monitor, with out a keyboard. I have not had any luck finding a keyboard for this monitor. In fact...
    12 replies | 353 view(s)
  • Mike_Z's Avatar
    February 4th, 2019, 07:11 AM
    Mike_Z replied to a thread Digital 32KW RAM pcb in DEC
    Vince, I would like a memory board when you have them. I still owe Jack his board back. Mike
    16 replies | 809 view(s)
  • Mike_Z's Avatar
    February 2nd, 2019, 11:31 AM
    Mike_Z started a thread OS/8 DATE command in DEC
    I've horsing around with the DATE command. The OS/8 handbook 1974 and System Reference manual 1973 say that the DATA command format is DAte...
    0 replies | 118 view(s)
  • Mike_Z's Avatar
    January 31st, 2019, 08:27 AM
    Mike_Z replied to a thread OS/8 boot screen in DEC
    Thanks, Bill. Are you talking about the OS/8 Handbook? I have the April 1974 issue. I also have the Field Service Software Assistance Brochure. Do...
    5 replies | 331 view(s)
  • Mike_Z's Avatar
    January 31st, 2019, 06:58 AM
    Mike_Z replied to a thread OS/8 boot screen in DEC
    Bill, thanks for the screen shot. On my machine, INIT.CM is used for the text of the boot screen. I can also include some 'real' stuff, like VERsion,...
    5 replies | 331 view(s)
  • Mike_Z's Avatar
    January 30th, 2019, 03:57 PM
    Mike_Z started a thread OS/8 boot screen in DEC
    Over the past few days I have installed Roland's boot loader circuit board in my PDP8E. I watched his you tube films a bunch of times and noticed...
    5 replies | 331 view(s)
  • Mike_Z's Avatar
    January 29th, 2019, 02:58 PM
    Well..... another boot loader is in service on a PDP8E. I had followed this thread since the beginning, but was unsure of how to exactly have a board...
    58 replies | 8096 view(s)
  • Mike_Z's Avatar
    January 26th, 2019, 09:05 AM
    Mike_Z replied to a thread PAL8 assembly language question in DEC
    Thanks, right now just standing up and sitting down is a delicate operation, much less than tackling the stairs. Then to top it off, the outside...
    18 replies | 931 view(s)
  • Mike_Z's Avatar
    January 26th, 2019, 08:36 AM
    Mike_Z replied to a thread PAL8 assembly language question in DEC
    Just got back from hernia surgery, not feeling very well. Yes I did ask about the OR, had used it and it works well. I was reading the PAL8 section...
    18 replies | 931 view(s)
  • Mike_Z's Avatar
    January 24th, 2019, 04:38 PM
    Mike_Z replied to a thread PAL8 assembly language question in DEC
    I thought that this may at least get the result into the AC FIRST, 0076 SECOND, 1200 TAD FIRST!SECOND But the result is still the...
    18 replies | 931 view(s)
  • Mike_Z's Avatar
    January 24th, 2019, 04:18 PM
    Mike_Z replied to a thread PAL8 assembly language question in DEC
    Moving on to the next question, How do you use the operator !. I want to OR two values. FIRST, 0076 SECOND, 1200 THIRD=FIRST!SECOND ...
    18 replies | 931 view(s)
  • Mike_Z's Avatar
    January 24th, 2019, 09:20 AM
    Mike_Z replied to a thread PAL8 assembly language question in DEC
    My INI file looks like this set cpu 32K set cpu idle attach rk0 advent.rk05 boot rk0 exit After removing the exit, the SimH windows doesn't...
    18 replies | 931 view(s)
  • Mike_Z's Avatar
    January 24th, 2019, 08:12 AM
    Mike_Z replied to a thread PAL8 assembly language question in DEC
    Since, the basement is rather cold, I have been using SimH PDP8, upstairs. One problem that I have with SimH and I do not know how to get around it....
    18 replies | 931 view(s)
  • Mike_Z's Avatar
    January 24th, 2019, 07:52 AM
    Mike_Z replied to a thread PAL8 assembly language question in DEC
    Say, that worked like a charm. Here is what I tried. I'll have to look into the auto indexing stuff. I seem to remember something about it, but... ...
    18 replies | 931 view(s)
  • Mike_Z's Avatar
    January 23rd, 2019, 03:19 PM
    I'm working on a program, using PAL8 and have come across a problem. The program is doing a calculation that results in an ASCII number being held in...
    18 replies | 931 view(s)
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About Mike_Z

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About Mike_Z
Biography:
Retired Old Steam Power Plant Engineer
Location:
Near Milwaukee Wisconsin
Interests:
Old stuff, computers, cars, furniture, houses
Occupation:
Retired

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