![]() Other programmers have added their own extensions to the TURBO code, resulting in a profusion of minor versions. The original Turbo-BASIC XL ran only on the XL/XE machines, but Ostrowski later back-ported it to the original 400/800's as Frost BASIC 1.4, which was later named Turbo-BASIC 1.4. ![]() The compiler comes with an associated runtime library, so the resulting programs run on machines without TURBO being loaded. Yet, due to clever memory management, TURBO leaves 1,700 more bytes of RAM free, allowing you to write larger programs than Atari BASIC.Īnd if that wasn't enough, Ostrowski also released the Turbo-BASIC Compiler, which lets you take your completed programs and compile them so they run 15 to 20 times faster than Atari BASIC. These include structured programming concepts like WHILE loops and similar, DOS commands that allow you to manipulate files without exiting to the DOS menu, DPOKE and DPEEK for working with 16-bit memory values, editing commands like RENUM, and debugging commands like TRACE. If that were not enough, TURBO also includes a suite of new keywords and functions to improve on the original. ![]() The result is that TURBO will run any Atari BASIC program, but do so around three to five times as fast! TURBO is fully compatible with Atari BASIC, but fixes some of its well-known bugs and replaces its notoriously slow loops and math functions. It was written by Frank Ostrowski and first published in the German Happy Computer magazine in 1985. ![]() Turbo-BASIC XL 1.5 is a fast BASIC interpreter for the Atari XL and XE. ![]()
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