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digital equipment corporation · maynard, massachusetts
MEMORY ADDRESS
EMA
RUN
COMMANDS:
MOST COMMANDS MUST BE FOLLOWED BY A SPACE *** DIRECT COMMANDS ARE TYPED WITHOUT LINE NUMBERS AND FOCAL EXECUTES THEM AS SOON AS THE RETURN BUTTON IS HIT --- FOR EXAMPLE: *TYPE 3+4 (CAUSES FOCAL TO TYPE A 7) (OR SEVERAL COMMANDS MAY BE GIVEN IN SEQUENCE:) *SET X=3 *SET Y=2 *TYPE 3+X+Y,! 8.0000 * *** INDIRECT COMMANDS ARE USED FOR LONGER PROGRAMS. THEY ARE TYPED FOLLOWING LINE NUMBERS AND MAY BE EXECUTED BY A DIRECT 'GO': *2.1 SET X=3 *2.2 SET Y=2 *2.3 TYPE 3+X+Y,! *GO 8.0000 * EXAMPLES OF EACH ARE GIVEN FOLLOWED BY THE GENERAL FORM IN WHICH: <REQUIRED TERMS> ARE ENCLOSED IN ANGLE BRACKETS. [OPTIONAL TERMS] ARE ENCLOSED IN SQUARE BRACKETS. (COMMENTS) ARE ENCLOSED IN PARENTHESES. A, B, C, X, Y, AND Z ARE VARIABLES. L1, L2 AND L3 ARE LINE NUMBERS. G1 STANDS FOR A GROUP OR LINE NUMBER IN MOST CASES, GROUP AND LINE NUMBERS MAY BE REPLACED BY VARIABLES.



Feel free to contact me, David Gesswein djg@pdp8online.com with any questions, comments on the web site, or if you have related equipment, documentation, software etc. you are willing to part with.  I am interested in anything PDP-8 related, computers, peripherals used with them, DEC or third party, or documentation. 

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