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    SuperBASIC: The Manual
    SuperBASIC: The Manual
    SuperBASIC: The Manual
    Ebook60 pages22 minutes

    SuperBASIC: The Manual

    By Jerry Stratton

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    About this ebook

    Do you want to write BASIC programs for your Color Computer, but don’t want to deal with two-character variables and invisible (or non-existent) structure? Consider superBASIC. Use loops, multi-line if/else/endifs, include files, and more. You can even use command-line switches to target the same BASIC program for computers with different hardware.

    LanguageEnglish
    PublisherJerry Stratton
    Release dateApr 17, 2020
    ISBN9780463594568
    SuperBASIC: The Manual
    Author

    Jerry Stratton

    Jerry Stratton writes at Mimsy Were the Borogoves on politics, technology, and programming for all. He has a Bachelor's degree in Psychology from Cornell University and studied guitar at the Musicians Institute of Technology in Hollywood, California. He has appeared in at least one bad movie from the eighties and participated in at least one ill-fated pre-Internet hypermedia startup.

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      Book preview

      SuperBASIC - Jerry Stratton

      SuperBASIC

      Jerry Stratton

      SuperBASIC

      The Manual

      For the TRS-80 Color Computer

      ©2020 Jerry Stratton

      Published May 2020

      ISBN 979-8-63-977180-4 (print)

      ISBN 978-0-46-359456-8 (ePub)

      hoboes.com/superbasic

      SuperBASIC version 1.0.0

      Today it seems like a kludge, but all technology looks inelegant 35 years later.—Wayne Lorentz, This TRS-80Getting Started

      Where?

      Download superBASIC and its sample files at hoboes.com/superbasic.

      Why?

      SuperBASIC is a preprocessor for creating Extended Color BASIC code using lengthy variable names, loops, and if/else/endif blocks. It should also work with Color BASIC.

      SuperBASIC is not meant to hide BASIC behind a modern wall. It is meant as a superstructure that enhances BASIC. I wrote it specifically for the TRS-80/Tandy Color Computer, though it may well work with other old-school Microsoft BASICs. It adds to and does not subtract from Extended Color BASIC, with the exception of line numbers. Because line numbers are generated by the program, you cannot use GOTO statements in your code. You must use superBASIC’s loops and other blocks, so that every GOTO is generated with the correct line number.

      If you provide superBASIC with nothing more than normal BASIC, you will get exactly what you provided, with line numbers added:

      INPUT WHAT IS YOUR NAME?;A$

      PRINT HELLO, ;A$

      Run superBASIC on it:

      superbasic hello.txt

      10 INPUT WHAT IS YOUR NAME?;A$

      20 PRINT HELLO, ;A$

      30 END

      The real power of superBASIC, however, are its loops and readable variable names.

      loop

      loop

      %key$=inkey$

      endloop unless (%key$=)

      print asc(%key$)

      endloop

      Run superBASIC on this, and it converts the two loops into standard old-school BASIC. The first loop is a single line looking at INKEY$ until the user presses a key. The second loop reruns the entire program after displaying the ASCII value of the keypress:

      superbasic keyboard\ values.txt

      10 KE$=INKEY$:IF KE$= THEN 10

      20 PRINT ASC(KE$)

      30 GOTO 10

      40 END

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