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t1 = _FREETIMER t2 = _FREETIMER ON TIMER (t1, 1) GOSUB Timer. Trap 'the code following the Timer.Trap label will be run every 1 second ON TIMER (t2,.5) mySub 'QB64 can also trigger a SUB procedure with TIMER; ' in this case mySUB will be triggered every 500 milliseconds 'activate timers: TIMER (t1) ON TIMER (t2) ON DO 'go into an infinite loop until the window is closed _LIMIT 1 'run the main ...
QBasic is an integrated development environment (IDE) and interpreter for a variety of dialects of BASIC which are based on QuickBASIC. Code entered into the IDE is compiled to an intermediate representation (IR), and this IR is immediately executed on demand within the IDE.
Aims at full compatibility with Microsoft QBasic and QuickBASIC. BASIC code is translated to C++ and then compiled to executable form. An event driven GUI builder named InForm exists for QB64. [69] QBasic (DOS on the PC) – by Microsoft. Subset of QuickBASIC. Came with versions of MS-DOS from 5.0 to 6.22. Also included with DOS 7 (what Windows ...
An early example of this market is the QBasic software package Microsoft Game Shop (1990), a hobbyist-inspired release that included six "arcade-style" games that were easily customizable in QBasic. [45] In 2013, a game written in QBasic and compiled with QB64 for modern computers entitled Black Annex was released on Steam.
A subset of QuickBASIC 4.5, named QBasic, was included with MS-DOS 5 and later versions, replacing the GW-BASIC included with previous versions of MS-DOS. Compared to QuickBASIC, QBasic is limited to an interpreter only, lacks a few functions, can only handle programs of a limited size, and lacks support for separate program modules.
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QBasic 1.0 was included in MS-DOS 5.0, and in Windows NT 3.x and 4.0. These are three different compiles of the same: 5.00, 5.00a and WNT use different versions of QBASIC. IBM recompiled QBasic and included it in their IBMDOS 5.x, as well as OS/2 2.0 onwards. eComstation includes OS/2, and includes QBasic 1.0. There are four versions of this.
The popular Commodore 64 came with BASIC v2.0 in ROM even though the computer was released after the PET/CBM series that had version 4.0 because the 64 was intended as a home computer, while the PET/CBM series were targeted at business and educational use where their built-in programming language was presumed to be more heavily used. This saved ...