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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.
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.
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.
BASIC extensions See also References External links Dialects 0–9 1771-DB BASIC Allen-Bradley PLC industrial controller BASIC module; Intel BASIC-52 extended with PLC-specific calls. 64K BASIC Cross-platform, interactive, open-source interpreter for microcomputer BASIC. A ABasiC (Amiga) Relatively limited. Initially provided with Amiga computers by MetaComCo. ABC BASIC designed for the ABC 80 ...
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 ...
In MS-DOS 5, there are four sample QBASIC programs, Gorilla, Nibbles, Money and RemLines. The first two are games, the last two are utilities, for managing money, and removing line numbers from GWBasic code. MSHerc is a utility to be loaded before QBASIC to allow QBasic to write to the screen.
n November 1954, 29-year-old Sammy Davis Jr. was driving to Hollywood when a car crash left his eye mangled beyond repair. Doubting his potential as a one-eyed entertainer, the burgeoning performer sought a solution at the same venerable institution where other misfortunate starlets had gone to fill their vacant sockets: Mager & Gougelman, a family-owned business in New York City that has ...
GW-BASIC 3.20 (1986) adds EGA graphics support (no version of BASICA or GW-BASIC had VGA support) and is the last major new version released before it was superseded by QBasic. Buyers of Hercules Graphics Cards received a special version of GW-BASIC on the card's utility disk that is called HBASIC, which adds support for its 720×348 monochrome ...