[{TableOfContents}]


!!!Cassette
* [Boot from Cassette]
* [Atari Datasette XC12 Turbo 6000 Baud Interface]

!!!Generic Information
* [Atari ATASCII Table]
* [Differences Atari 400/800 - 1200XL - 600/800XL|DiffOldOs2XL]
* [Ironman Atari] A compilation of advanced Atari 8-bit programming techniques
* [Unleash the power of Ataris CPU]

!!!Graphics
* [Design Master Testbericht] (german)
* [Multi Player Animator]

!!!Hardware
* [ARGS ISA PC Interface]
* [ARGS RS232 Cartridge] (German)
* [Atari 1027 Printer - OS Timeout Fix]
* [Atari 1030 Modem with ModemLink Telecommunications Program]
* [ATARI 1450XL HOME COMPUTER INTEGRAL DISK DRIVE SPECIFICATION]
* [Atari 822 Thermal Printer]
* [Atari CX70 Light Pen]
* [Atari CX77 Touch Tablet]
* [Atari CX80 Trak-Ball controller]
* [Atari CX85 Numerical Keypad|AtariCX85]
* [Atari Sprachbox]
* [Atari SX212 Modem]
* [Atari XEP80|XEP80]
* [AtariMax EXEPACKER Files with bundled DOS]
* [Blueprint of ACTION! Cart]
* [Bugfix for the Cassette Handler]
* [Cartridges]
* [Custom Disk Format Routine] (Atari 1050 with Compy Shop Speedy)
* [Floppy 2000]
* [HDI Interface] (aka Floppy 3000)
* [Hercules Graphic Card inside the ARGS PBI-ISA Interface] 
* [Indus GT Field Service Manual]
* [Indus GT Firmware ROM Source] (Disassembly)
* [Indus GT Schematics]
* [Multijoy|How to query the MultiJoy Interface] Interface
* [Trackball]

!!!Literature
*[Books|http://www.atarimania.com/documents-atari-400-800-xl-xe-books_1_8.html] ; Mega-thanks to Atarimania for hosting
*[Dealer Documents|http://www.atarimania.com/documents-atari-400-800-xl-xe-dealer-documents_8_8.html] ; Mega-thanks to Atarimania for hosting
*[Internal Documents|http://www.atarimania.com/documents-atari-400-800-xl-xe-internal-documents_4_8.html] ; Mega-thanks to Atarimania for hosting
*[Manuals|http://www.atarimania.com/documents-atari-400-800-xl-xe-manuals_2_8.html] ; Mega-thanks to Atarimania for hosting
*[Newsletters]
*[Other Documents|http://www.atarimania.com/documents-atari-400-800-xl-xe-other-documents_5_8.html] ; Mega-thanks to Atarimania for hosting
*[Press Kits|http://www.atarimania.com/documents-atari-400-800-xl-xe-press-kits_7_8.html] ; Mega-thanks to Atarimania for hosting
*[Technical Documents|http://www.atarimania.com/documents-atari-400-800-xl-xe-technical-documents_3_8.html] ; Mega-thanks to Atarimania for hosting


!!! Software

!! Applications
*[Intention of the applications chapter]

*Business:
##[Atari Timewise]
##[The Atari Accountant Series]
##[The Bookkeeper]
##[The Home Filing Manager]

*Calculation & Graphics:
##[Atari Calculator]
##[Atari Graph It]
##[Atari Home Finance]
##[Atari Investment Analysis Series]
###[Bond Analysis]
###[Mortgage & Loan Analysis]
###[Stock Analysis]
###[Stock Charting]
##[Atari Personal Financial Management System]
##[Atari Rechner Simulation mit UPN]
##[Atari Silent Butler]
##[Atari Statistics I]
##[Atari The Dow Jones Investment Evaluator]
##[Enhancements to Graph It]
##[Family Budgets]
##[Family Cash Flow]
##[Family Finances]
##[Home Inventory]

*Education:
##[Atari Educational System-programming cassette streams]

*Entertainment
##[Atari Biorhythm]

*Learning:
##[Atari Touch Typing]

*Remote Data Transfer:
##[ATARI Bildschirmtext (BTX)]
##[ATARI TELELINK II]
##[ATARI TELELINK I]
##[ATARI The Communicator II]

*Simulation:
##[Atari Energy Czar]
##[Atari Kingdom]
##[Atari SCRAM - A Nuclear Power Plant Simulation]

*Spreadsheets:
##[BCALC]
##[Calc Magic]
##[Software Arts Visicalc]
##[SpeedCalc]
##[Synapse SynCalc]

*Word Processing:
##[Atari Schreiber]
##[Atari Word Processor]
##[The Writer's Tool]

!! Atari Learning System Software
* [Atari Learning System Software]

!! Atari Program Exchange (APX) Software
* [Atari Program Exchange (APX) Software]

!! Country Specific Atari Software

!Dutch Atari Software
* Programmeren:
## [Programmeren... Hoe Doe Je Dat? (Deel 1) - (Cassette: TXN 4101)|Programmeren... Hoe Doe Je Dat (Deel 1)]
## [Programmeren... Hoe Doe Je Dat? (Deel 2) - (Cassette: TXN 4106)|Programmeren... Hoe Doe Je Dat (Deel 2)]
* Kantoor Thuis:
## [Atari Adressenbestand (Cassette: CXN 4104)|Atari Adressenbestand]
## [Huishoud-Boek (Disk: DXN 421)|Huishoud-Boek]

!French Atari Software

!German Atari Software
* Programmierhilfen:
##[Ataris Programmierhilfen-Diskette Nr.1]
##[Ataris Programmierhilfen-Diskette Nr.2]
* Business:
##[Atari Terminkalender]
##[Tipp Trainer TXG 9512]
* Textverarbeitung:
##[Programm Text Editor]
* Anwendungen:
##[Familien Finanzen]
##[Haushalts-Buch]
##[Haushalts-Planung]
##[Zinsen und Tilgung]
* Datenbanken:
##[Artikelverwaltung]
##[Bundesligatabelle]
##[Diskettenbibliothek]
##[Karteikartenprogramm]
* Utilities:
##[Disk Fixer]
* Unterhaltung:
##[Atari Biorhythmus]
##[Atari Sprachbox]
##[Super Biorythmus|Super Biorhythmus]
* Spielend lernen mit Atari-Programmen:
##[Aufgepasst-Streit der Kaefer]
##[Beeil Dich-Verdreht]
##[Bonbonglas-Chaos]
##[Golf-Balkenrechnen]
##[Schluck-Richtungspfeile]
##[Ufos-Blitzschnell]
* Spiele:
##[WWF-Club-Spiel]
##[fehler abc|Fehler abc1|Fehler abc]

!Italian Atari Software

!Spanish Atari Software

!!Disk Operating Systems (DOS)
!DOS Versions
* [Atari DOS 1]
* [Atari DOS 2]
* [Atari DOS 3]
* [Atari DOS 4]
* [Atari DOS XE]
* [BEWE DOS 1.30 Manual]
* [Bibo-DOS]
* [INDUS CPM 2.2]
* [INDUS GT Synchromesh]
* [MyDOS]
* [OSS A+ 2]
* [OSS A+ 4]
* [OSS A+ Professional 2.12]
* [OSS DOS XL]
* [SmartDOS]
* [Sparta DOS Construction Set Manual]
* [Sparta DOS X Review|SpartaDosXReview]
* [SpartaDOS]
* [SuperDOS]
* [Turbo-DOS]
* [XDOS 2.43]

!DOS Related Information
* [3 Sector read only DOS] \\
* [CIOV Tutorial]
* [DOS Command Processor] \\
* [Der XIO Befehl fuer Dateioperationen]
* [Der XIO Befehl fuer Grafikoperationen]
* Other [DOS_topics]
* [RTime8 Manual]
* [Ram-Disk under OS-ROM for XL XE] - Article from German "Happy Computer" magazine 
* [XIO Command Codes DOS Handler]


!! Voice & Data Cassettes
* [Intention of the Voice & Data chapter]
* [Atari Biorhythm cassette-Dual Track with voice, music and data|Atari_Biorhythm-Dual_Track.mp4] ; size: 21.3 MB ; MP4-file taken from Youtube
* [Atari Educational System Lesson Cassettes]
* [Atari Hangman cassette-Dual Track with voice, music and data|Atari_Hangman-Dual_Track.mp4] ; size: 19.8 MB ; MP4-file taken from Youtube
* [Atari Kingdom cassette-Dual Track with voice, music and data|Atari_Kingdom-Dual_Track.mp4] ; size: 14.4 MB ; MP4-file taken from Youtube; main start from minute 1:10
* [Atari Speed Reading]
* [Conversational FRENCH CX4119]
* [Conversational GERMAN CX4118]
* [Conversational ITALIAN CX4125]
* [Conversational SPANISH CX4120]
* [Dorsett Educational System Lesson Cassettes]


!! OS-APIs
* [CIO Filter|CIO Special Command Filter]

!!!Source Codes
*[Intention of the source codes chapter]
*Operating Systems (OS) & Disk Operating Systems (DOS)
##Atari 400-800 Operating System Source Listing Rev. A - C017893 (1981) ; [pdf-file|https://data.atariwiki.org/DOC/Atari_400-800_OS_A_Source_Listing-C017893_%281981%29.pdf] ; [txt-files|a8-os-rom-2015-08-15.7z]
##[All Atari OS source codes without OS 255|a8-os-rom-2015-08-15.7z] ; size: 172 KB ; [Source|http://atariage.com/forums/topic/201133-os-source-code-all-revisions/page-2#entry3300525]
##[Atari 400-800 Operating System Source Listing Rev. B (1982)|Atari 800 ROM OS Source Listing]
##[Atari 810 DOS Utilities Source Listing (DOS II)|http://ftp.pigwa.net/stuff/collections/Atari%20documents/Technical%20Documents/] ; size: 46 MB
##[Atari DOS 2.0S Source Code|http://www.atarimania.com/documents-atari-400-800-xl-xe-books_1_8.html] ; Inside Atari DOS-Bill Wilkinson ; size: 10.3 MB
##[Atari DOS 2.5 Source Code]
##[Atari DOS II Assembly Source Listing]
*Languages & Applications
##[AMAC]
##[ATARI ASSEMBLER EDITOR]
##[Action!|ACTION]
##[Atari Basic Source Code 1|https://atariwiki.org/wiki/attach/The%20Atari%20Basic%20source%20book/How-atari-basic-works-p3.html]
##[Atari Basic Source Code 2|ataribas.asm]
##[Atari Basic Source Code 3|AtariBasic.src]
##[Atari Educational System Master Cartridge]
##[BUG/65|BUG-65_FROM_3000.txt]
##[Basic XE]
##[Basic XL]
##[Bibo-Assembler|BIBO.asm]
##[Calculator]
##[DDT]
##[MAC/65]
##[Microsoft Basic|http://www.pagetable.com/?p=46]
##[OSS TINY-C+ Version 1.1|https://atariwiki.org/wiki/Wiki.jsp?page=C#section-C-ATRImages]
##[Original CX85 Keyboard Handler]
##[The Atari Basic Source Book|http://www.atarimania.com/documents/The-Atari-BASIC-Source-Book.pdf]
##[Turbo-Basic XL]
*Games (in the sequence the authors released the sources to the public):
##[Eastern Front 1941|Eastern_Front_1941.zip] ; size: 582.6 KB ; including level editor
##[River Raid|http://www.qotile.net/minidig/disassembly/RiverRaid.asm]
##[Donkey Kong|Donkey_Kong_Source_Code.zip] ; size: 418 KB ; source code not quite complete, but very close
##[Fort Apocalypse|https://github.com/heyigor/FortApocalypse]
##[Star Raiders]


!!!Rarity 10 and above up to impossible
* [Rarity 10]