BASIC A+ was developed by

Optimized Systems Software Optimized Systems Software (OSS) was a company that produced disk operating systems, programming languages with integrated development environments, and applications primarily for the Atari 8-bit family of home computers. OSS was best known fo ...

Cupertino, California Cupertino ( ) is a city in Santa Clara County, California, United States, directly west of San Jose on the western edge of the Santa Clara Valley with portions extending into the foothills of the Santa Cruz Mountains. The population was 57,8 ...

, United States, to provide the

Atari 8-bit family The Atari 8-bit family is a series of 8-bit home computers introduced by Atari, Inc. in 1979 as the Atari 400 and Atari 800. The series was successively upgraded to Atari 1200XL , Atari 600XL, Atari 800XL, Atari 65XE, Atari 130XE, Atari 800XE, ...

with an extended

BASIC BASIC (Beginners' All-purpose Symbolic Instruction Code) is a family of general-purpose, high-level programming languages designed for ease of use. The original version was created by John G. Kemeny and Thomas E. Kurtz at Dartmouth College ...

compatible with the simpler

ROM Rom, or ROM may refer to: Biomechanics and medicine * Risk of mortality, a medical classification to estimate the likelihood of death for a patient * Rupture of membranes, a term used during pregnancy to describe a rupture of the amniotic sac * R ...

-based

Atari BASIC Atari BASIC is an interpreter (computing), interpreter for the BASIC programming language that shipped with the Atari 8-bit family of MOS Technology 6502, 6502-based home computers. Unlike most American BASICs of the home computer era, Atari BAS ...

. This interpreter was developed by the same team that developed Atari BASIC. While Atari BASIC came on an 8 KB ROM cartridge, BASIC A+ was delivered on

floppy disk A floppy disk or floppy diskette (casually referred to as a floppy, or a diskette) is an obsolescent type of disk storage composed of a thin and flexible disk of a magnetic storage medium in a square or nearly square plastic enclosure lined w ...

and uses 15 KB of the computer's RAM, leaving 23 KB available for user programs in a 48 KB Atari 800. Being an extension of Atari BASIC, BASIC A+ came with a supplement to the former's reference manual as its documentation. In addition to being faster than its ROM-bound counterpart, BASIC A+ provides extra commands for DOS operations, player/missile graphics, and

debugging In computer programming and software development, debugging is the process of finding and resolving '' bugs'' (defects or problems that prevent correct operation) within computer programs, software, or systems. Debugging tactics can involve in ...

. BASIC A+ was followed by the cartridge-based BASIC XL, and then BASIC XE.

References

{{DEFAULTSORT:Basic Aplus 1983 software BASIC interpreters Discontinued BASICs Optimized Systems Software Atari 8-bit family software

See also

References