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tops-20 [2020/05/06 23:08]
smj 		tops-20 [2020/05/06 23:22]
smj
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 **PROGRAMMING EXAMPLES USING "COMPILE", "LOAD" and "SAVE" COMMANDS** **PROGRAMMING EXAMPLES USING "COMPILE", "LOAD" and "SAVE" COMMANDS**
  
-TOPS-20 supports many programming languages using a standard COMPILE/LOAD/SAVE model.  Here are few simple examples to get started:+TOPS-20 supports many programming languages using a standard COMPILE/LOAD/SAVE model.  TOPS-20 is very helpful using command recognition and DWIM (Do What I Mean) without having to completely type out everything.  Here are few simple examples to get started:
  
 **FORTRAN-77** **FORTRAN-77**
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 //NOTE: This formatting is punched card style - The first 5 and 6th columns are special// //NOTE: This formatting is punched card style - The first 5 and 6th columns are special//
  
-      @copy TTY: test.for+      @copy TTY: test.for                             ;A simple way to enter in TEXT from the terminal
        TTY: => TEST.FOR.1        TTY: => TEST.FOR.1
              
-               PROGRAM TEST+               PROGRAM TEST                           ;Declare the name of the program
              
-               WRITE (5, 10) +               WRITE (5, 10)                          ;OUTPUT to the terminal (UNIT 5) at line 10 
-      10       FORMAT(' TESTING 1 2 3!')+      10       FORMAT(' TESTING 1 2 3!')              ;FORMAT the text for OUTPUT
              
-             END+               END                                    ;END the program
       ^Z       ^Z
-      @type test.for+      @type test.for                                  ;TYPE the test.for file and verify
                PROGRAM TEST                PROGRAM TEST
              
-             WRITE (5, 10)+               WRITE (5, 10)
       10       FORMAT(' TESTING 1 2 3!')       10       FORMAT(' TESTING 1 2 3!')
                          
-             END +               END 
-      @compile test +      @compile test                                   ;COMPILE the file TEST 
-      FORTRAN: TEST +      FORTRAN: TEST                                   ;COMPILE determined TEST is a FORTRAN program 
-      TEST    +      TEST                                         ;TEST is now written out as a .REL file 
-      @load test+      @load test                                      ;LOAD the file (or EXECUTE TEST to LOAD and RUN)
       LINK: Loading       LINK: Loading
-      @save test+      @save test                                      ;SAVE the loaded program to a .EXE file
        TEST.EXE.1 Saved        TEST.EXE.1 Saved
       @v test.*       @v test.*
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        Total of 8 pages in 3 files        Total of 8 pages in 3 files
 +       
 +       @<smj.fortran>test                             ;Run the .EXE file
 +       TESTING 1 2 3!
 +       CPU time 0.09   Elapsed time 0.19
  
  
tops-20.txt · Last modified: 2020/07/13 10:36 by setala

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