Article ID: 39730
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 each) 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 CONST 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.
Article ID: 39730 - Last Review: November 21, 2006 - Revision: 1.2