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Re: Resurrecting my old Percom 6809 system.

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While searching for other things I'd like to have, like a MP-T card. I came across Bob Anderson's pages at http://www.corshamtech.com, He is in the early stages of cloning the SWTPC 6800 system. He was planning on doing a memory card. after talking with him, he moved it up in the to-do list and let me beta test it.

The prototype memory card arrived Monday it is a full 64k of static ram that can be mapped out in 4k chunks. I configured it for the lower 48k of memory and, put it in the system last night and did a quick check using the monitor to write and read memory everything looked good. I then booted MPX/9 for the first time on real hardware in about 25-30 years. I reconfigured the card for only 32k and repeated the experiment, everything worked fine. in both cases I verified that the OS loaded at the top of available memory as it should. 

The system appears fairly healthy, I have some issues with the serial connection to the host, the LIST command only outputs one character at a time waiting for a key press from the user, probably the polling for cancel is not playing nice with the terminal software on the host. I also tried to load BASIC and Forth from floppy with out success. I'll have to investigate those issues.

All and all I'm a happy camper at the moment 

--James.

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Resurrecting my old Percom 6809 system. james spears <james.n.spears@gmail.com> - 2014-03-17 14:24 -0700
  Re: Resurrecting my old Percom 6809 system. james spears <james.n.spears@gmail.com> - 2014-05-12 15:22 -0700
    Re: Resurrecting my old Percom 6809 system. james spears <james.n.spears@gmail.com> - 2014-07-02 12:04 -0700
      Re: Resurrecting my old Percom 6809 system. james spears <james.n.spears@gmail.com> - 2014-07-08 14:59 -0700
      Re: Resurrecting my old Percom 6809 system. james spears <james.n.spears@gmail.com> - 2014-07-12 22:25 -0700
        Re: Resurrecting my old Percom 6809 system. james spears <james.n.spears@gmail.com> - 2014-07-18 19:12 -0700

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