1. # vimeo.com/256328902 Uploaded 22 Plays 0 Comments
  2. LEO-1 is working! Here it is running a self test of its registers and memory. If I sound tired it's because I've been sick for the last four days.

    # vimeo.com/256326069 Uploaded 36 Plays 0 Comments
  3. LEO-1 Memory Board driving a thermal receipt printer through a UART connected to an expansion port.

    # vimeo.com/248730375 Uploaded 13 Plays 0 Comments
  4. # vimeo.com/248604718 Uploaded 12 Plays 0 Comments
  5. I decided to do some more testing of the control unit design before committing it to a PCB. These signals will control the instruction fetch and select the memory or register operation based on a couple of the instruction bits and a few other things. So far so good...

    # vimeo.com/197868459 Uploaded 39 Plays 0 Comments


John Croudy Plus

Videos about the construction and operation of the LEO-1 Homebrew CPU.

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