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Thread: TU60 TA8E / M8331 maindec and caps-8 questions

  1. #31

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    YESSS!! I've got CAPS-8 booting from the TU60! That was quite a bumpy road.

    I had some contact with Doug Ingraham about inserting the TU60 driver (CSA.BN)
    Inserting the driver wasn't the biggest problem, but saving the new bootstrap was...
    Some disks have a message which they show when they boot.
    You have to disable that before you can add system devices.

    When you want to change your devices first run " SET SYS NO INIT " to disable any activity when booting.
    Then " RUN SYS BUILD " to start the system builder.
    Type " PRINT " to see what drivers are already in the system. You can load a maximum of 15 drivers.
    Make sure that CSA.BN is on your disk and type " LOAD CSA.BN " to load the driver.
    Then " INSERT TA8A:CSA0 " making cassette 0 visible in OS8.
    Then " INSERT TA8A:CSA1 " making cassette 1 visible in OS8.
    Use " UNLOAD devicename " to remove other drivers which you don't need. So you don't exceed the maximum of 15 devices.
    Then enter " BOOTSTRAP " This writes the new bootstrap into memory, exits the program and load OS8.
    Now it is important that you do not run anything. Just " SAVE SYS BUILD " to save the bootstrap contents from core into BUILD.
    At last you can run " SET SYS INIT " if you had any startup programs.

    Since I have done this on an RX01 disk image this disk image is on my TA8E M8331 GutHub. So that is already done.
    On this disk are also the files to make a CAPS8 cassette.

    When booted from this disk run MCPIP to copy the files to tape.


    .R MCPIP
    *CSA0:</Z
    *CSA0:C2BOOT<C2BOOT/B=10000
    *CSA0:MONTOR<MONTOR/B=20000
    *CSA0:SYSCOP<SYSCOP/B=20000
    *CSA0:EDIT<EDIT/B=10000
    *CSA0:BASIC<BASIC/B=10000
    *CSA0:PALC<PALC/B=20000

    To check the contents of the cassette within MCPIP:
    *TTY:<CSA0:/L

    TU60 caps 8 files copieren 6.jpg

    Regards, Roland

    And for those who are interested, I have some boards left, see my previous message...
    Last edited by Roland Huisman; October 1st, 2019 at 10:54 AM.
    WTB: Case for Altair 8800 ...... Rolands Github projects

  2. #32
    Join Date
    Oct 2019
    Location
    Rapid City, SD USA
    Posts
    26

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    Quote Originally Posted by Roland Huisman View Post
    With some help from Doug Ingraham I solved some problems to actually build a RX01 OS/8 disk which supports the TU60.
    This weekend I can test the ideas. When that is succeeds I will put the disk image here as well...

    Regards, Roland
    Glad I could help out. I just found my way here and signed up. Looking forward to seeing how this project turns out.

    Doug

  3. #33

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    Quote Originally Posted by DougIngraham View Post
    Glad I could help out. I just found my way here and signed up. Looking forward to seeing how this project turns out.
    Hi Doug,

    Welcome here And again thanks for your help.

    I think my TU60 project is done now. I've tried to share all information
    to restore these drives and make your own PDP8 controller for it...
    I want to do a little YouTube demo on CAPS-8 later when I'm a bit more familiar with CAPS-8.

    And I think your book is worth a new topic here in the DEC section as well

    Regards, Roland
    WTB: Case for Altair 8800 ...... Rolands Github projects

  4. #34
    Join Date
    Oct 2019
    Location
    Rapid City, SD USA
    Posts
    26

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    Quote Originally Posted by Roland Huisman View Post
    And I think your book is worth a new topic here in the DEC section as well
    I plan to do exactly that as soon as I get the sections on the Serial disk handler included. Kyle gave me permission earlier this week to include/use his sources. The book we are talking about is the one I really needed in 1975 when I wrote a handler for PS/8 to use a storage scope as a line printer. I am writing such a book with all the information in one place. From talking to people since I started the project it appears that there is still a need for this. The section Roland used is the chapter I wrote about installing handlers.

    Enough off topic-ness. If I want to talk about it I can go start a new thread. See you there!

    Doug

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