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Thread: 11/05-10 owners: try an experiment for me please?

  1. #1

    Default 11/05-10 owners: try an experiment for me please?

    Would a PDP-11/05-10 owner mind trying a small experiment for me?
    Please key-in this three instruction program and tell me the result:

    Code:
    halt start		; initialize
    
    000200 load
    012737 dep 000351 dep 177776 dep	; mov #351, psw
    105037 dep 177777 dep			; clrb psw+1
    000000 dep				; halt
    
    enable 000200 load start
    177776 load exam
    Does the display show 000351 or 000000?
    Thank you very much.
    Last edited by jks; February 2nd, 2019 at 01:42 PM. Reason: typo in psw addr

  2. #2

    Default

    Mine show 000000 at address 177776.

  3. #3

    Default

    Thanks Mattis. Very helpful.

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