Microsoft KB Archive/39730

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Version History of Microsoft QuickBasic for MS-DOS

Article ID: 39730

Article Last Modified on 11/21/2006

This article was previously published under Q39730


Listed below is the product history for the United States version of QuickBasic for the IBM PC.

The differences among the versions should be consistent with the differences among the versions released in France; however, the dates may vary. To receive information about international releases, please contact Microsoft International Customer Support at (425) 882-8661.


Version Number      5.25-Inch Release      3.5-Inch Release

   1.00                08/18/85               none

      First release.

   1.01                January 1986           none

      Corrects problems known in Version 1.00. No major enhancements.
      Few copies of Version 1.01 were shipped due to a problem
      discovered with compiling medium-sized programs.

   1.02                02/06/86               05/07/86

      Corrects problems known in Version 1.01. No major enhancements.

   2.00                09/29/86               08/15/86

      Major release. The following new features are added:

         Built-in editor environment
         Support for dynamic numeric arrays using far heap (up to 64K
         Multiline block IF..THEN..ELSE..ENDIF statements
         EGA graphics card support
         BLOAD/BSAVE statements

   2.01                01/20/87               02/02/87

      Corrects problems discovered in Version 2.00. Addition of
      keyboard driver for Tandy 1000 and IBM EXTENDED keyboard.

   3.00                04/13/87               04/13/87

      Major release. Comes with QB.EXE and QB87.EXE. The QB87.EXE
      program supports the math coprocessor. The following additional
      new language statements are added:

         SELECT CASE
         DO LOOP

      The editor includes insert/overtype mode command. You can use
      the editor with SuperKey, Prokey, or Sidekick. Other features
      include a simple debugger to set breakpoints and watch
      variables. The editor can take advantage of 43-line mode on the
      Enhanced Graphics Adapter (EGA) card.

   4.00                10/10/87               10/10/87

      Major release. Introduction of threaded p-code technology, which
      error-checks lines when typed and runs programs almost instantly
      in the editor environment. You can load multiple modules within
      the editing environment.

      The following new features are added:

         Hercules graphics support
         Recursive SUBprogram procedures
         User-defined TYPE variables (TYPE...END TYPE)
         Huge dynamic arrays (larger than 64K)
         Fixed-length strings
         CALLs to high-level languages (Microsoft C, FORTRAN, Pascal)

      Enhanced debugger in editor allows setting breakpoints, watch
      points, and watch variables, plus MS CodeView compatibility. New
      on-line help for Basic syntax.

   4.00a               02/20/88               02/20/88

      QuickBasic Version 4.00a was released with the Microsoft Basic
      Compiler Version 6.00. Version 4.00a provided corrections to
      problems discovered in Version 4.00. QuickBasic Version 4.00a
      was never sold as a product separate from the Microsoft Basic
      Compiler 6.00.

   4.00b               05-05-88               06/01/88

      Version 4.00b is almost the same as Version 4.00a, except some
      memory-management and data-communications problems in Version
      4.00a (and Version 4.00) are corrected. Version 4.00b is
      enhanced to support the AT&T and Olivetti high-resolution
      screens. (A copy of QuickBasic Version 4.00b is also distributed
      with the Microsoft Basic Compiler Version 6.00b package.)

   4.50                10/21/88               10/21/88

      New user interface with complete context-sensitive help that
      contains the entire language reference manual. On-line help
      system also contains examples that can be cut and pasted
      directly into programs. 4.50 provides corrections for some
      problems discovered in Version 4.00b.

Additional query words: QuickBas

Keywords: KB39730