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tops-20 [2020/05/06 23:22]
smj 		tops-20 [2020/05/06 23:39]
smj
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                END                                    ;END the program                END                                    ;END the program
-      ^Z+      ^Z                                              ;CTRL-Z closes the file
       @type test.for                                  ;TYPE the test.for file and verify       @type test.for                                  ;TYPE the test.for file and verify
                PROGRAM TEST                PROGRAM TEST
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        TESTING 1 2 3!        TESTING 1 2 3!
        CPU time 0.09   Elapsed time 0.19        CPU time 0.09   Elapsed time 0.19
 +
 +For an excellent summary to get started with FORTRAN on TOPS-20, check out
 +[[http://wiki.twenex.org/doku.php?id=tutorials:fortran]]
 +
 +**MACRO-20**
 +
 +MACRO is the assembler on TOPS-20.  Here is a simple example of a Hello World in MACRO
 +
 +       @COPY TTY:hello.mac                             ;A simple way to enter text into a file
 +       title hello                                      
 +       
 +       entry output
 +       search uuosym
 +       
 +       hello: asciz /Hello there.
 +       
 +       /
 +       output: outstr hello
 +        monrt.
 +        end output
 +       ^Z
 +       
 +       @type hello.mac
 +       title hello
 +       
 +       entry output
 +       search uuosym
 +       
 +       hello: asciz /Hello there.
 +       
 +       /
 +       output: outstr hello
 +        monrt.
 +        end output
 +       compile hello
 +       MACRO: hello
 +       
 +       EXIT
 +       @load hello
 +       LINK: Loading
 +       @save hello
 +        HELLO.EXE.1 Saved
 +       @<smj>hello
 +       Hello there.
  
  
tops-20.txt · Last modified: 2020/07/13 10:36 by setala

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