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The Atari 8-bit computers, formally launched as the Atari Home Computer System, [2] are a series of home computers introduced by Atari, Inc., in 1979 with the Atari 400 and Atari 800. [3] The architecture is designed around the 8-bit MOS Technology 6502 CPU and three custom coprocessors which provide support for sprites , smooth multidirectional scrolling, four channels of audio, and other ...
The built-in operating system for the Atari 800 and 800XL was BASIC. The XL model had another operating system called “Atari XL” on a diskette as well. The operating system could be disabled on startup by holding down the OPTION key. A built-in diagnostic system was installed in the 800s and there was always the HELP key if a user needed it.
Atari 8-bit computers were supplied with the proprietary Atari Operating. System contained in Read Only Memory (ROM) as an integral feature of the. computer. Major design elements of the Atari OS (derived here from De Re. Atari): MONITOR. Executed upon system power (Coldstart) or [System Reset] keypress. (Warmstart).
Sep 23, 2018 · This is a collection of source listings for all known (official) versions of the Operating System for the Atari 8-bit home computers. It was created through a two-pronged process: For a few OS revisions, Atari published source listings back in the day; these listings are included in this archive in unmodified form.
Small quantities of 800XL computers shipped in the U.S. late in 1983, before mass shipments commenced worldwide late winter/early spring, 1984. The 600XL/800XL include most of the features of the 1200XL, minus the 4. Function keys, the 2 LED lights, and the "ATARI" logo screen. But both the. 600XL and 800XL have the Atari BASIC language built-in.
Apr 17, 2003 · See below for specifications and information on this system. The Atari XL series replaced the Atari 400/800. The 800XL, with its built-in 64K RAM, exceeded the memory capacity of the 48K-maximum Atari 800. It was announced along with its little brother, the 600XL. The 800XL is shown above its optional peripherals, the Atari 1050 floppy disk ...
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Atari 400-800 Technical Reference Notes-Operating System User's Manual-Operating System Source Listing and Hardware Manual; size: 21.6 MB, 553 pages FAST FLOATING POINT source code for the ATARI. Atari 800-XL-XE System Label Listing. Atari System Labels from OSS. Synapse Assembler Atari 800 OS Equates. Copy OS ROM to RAM. OS Vectors for Action!
