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The ''Atari Microsoft BASIC'' and ''Atari Microsoft BASIC II'' variants of the BASIC programming language were ROM cartridge or floppy disk packaged versions of the Microsoft BASIC dialect ported to the Atari 8-bit machines. Atari originally licensed ''Microsoft BASIC'' for use in their 8-bit computers, but were unable to fit it in an 8 KB ROM cartridge, the largest at the time. They outsourced to another company, Shepardson Microsystems Inc., who created Atari BASIC instead. ''Atari Microsoft BASIC'', unlike ''Atari BASIC'', didn't allow abbreviations for keywords; keywords had to be fully spelled out. Syntax checking occurred after running a program, not immediately after entering the line. Also, arithmetic operations with integers resulted in an integer result. Example – Division with two integers:
Example – Division with integer and floating-point:
''Atari Microsoft BASIC'' came in two packages: * Floppy disk – CX8126 * ROM cartridge – RX8035. Since the cartridge could only hold 16 KB, the remaining 11 KB file was included on an "extension" disk. The cartridge version was called ''Atari Microsoft BASIC II''. Although more feature filled than Atari BASIC, Microsoft BASIC never had the popularity that Atari BASIC had. The biggest problems were: * increased memory needed (at least 32 KB) * disk drive required * performance (faster than Atari BASIC, but slower than Turbo-Basic XL and BASIC XL) * not compatible with Atari BASIC * added cost The cartridge version eliminated the first two requirements, but a disk drive was needed for all of its features. ==External links== *(AtariAge ) Microsoft Basic II - RX8035 *(Antic Vol. 6, No. 2 ) BASIC Bonanza - Review by Charles Cherry *(Atariwiki.org ) Atari Microsoft BASIC instruction manual 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Atari Microsoft BASIC」の詳細全文を読む スポンサード リンク
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