_______
         /       \           400
        /_________\                      800
        | _______ |                                1200XL
        ||ATARI  ||                                 
        || XE,XL ||                     The                  600XL
        ||_______||                                            
       /|_________|                  Atari 8-Bit
       |                                                       800XL
       |  ___________                 Computers
        \| ///////// |                                    
         |___________|                                    65XE
         |______/////|                                
         |LLLLLLLLLLL|                             130XE
         |LLLLLLLLLLL|                          
         |__[_____]__|               XE Game System
                                     
 
 It was 1979 when Atari, Inc. entered the home computer market with the
 introduction of the 800 and the 400 computer systems.  These MOS Technology
 6502-based systems run at a clock speed of 1.79 MHz, offering 256 colors
 displayable simultaneously, up to 320x192 graphics resolution and up to 40x24
 text resolution in 11 graphics modes and 5 text modes.  Video may be displayed
 either on a composite video monitor in the case of the 800, or on a 
 standard television for both systems.  4 independent sound voices are 
 available through the audio output of the television or monitor, each with 
 a 3 1/2 octave range, plus there is a built-in speaker for key-click and 
 other programmable sounds.  The 800 has a second cartridge port and a 
 full-stroke keyboard, while the 400 has a single cartridge port and a 
 membrane keyboard.  Each has 4 serial controller ports and an Atari Serial 
 Input/Output port.  Originally, both the 400 and 800 were sold with 8K RAM, 
 but later most 800's were sold with 48K and 400's with 16K.  Each 
 includes the 10K Atari Operating System in ROM.
 
 The introduction of the 1200XL in 1982 marks the single largest advance in 
 the 8-bit Atari system.  The 1200XL runs most software and hardware designed 
 for the 800 and 400, but now runs a slightly more advanced 6502C 
 microprocessor, and includes a full 64K RAM.  The single cartridge and 
 monitor ports remain, along with 2 controller ports.  In addition, the 1200XL 
 includes 4 programmable Function keys and a Help key, built-in diagnostic 
 and graphics demonstration programs, and probably the favorite keyboard of 
 any 8-bit Atari computer.  Clicks previously outputted through the built-in 
 speaker are now heard from the television or monitor's speaker.  The revised 
 14K Operating System offers many new features, including an alternate 
 International Character Set.
 
 In 1983 Atari replaced the 1200XL/800/400 line-up with the new 800XL and 
 600XL.  These new machines include most of the features of the 1200XL minus 
 the Function keys and the demo program.  But now both the 800XL and 600XL 
 have the Atari BASIC language built-in.  In addition, these two systems 
 offer the Parallel Bus Interface, providing direct memory access to the 
 heart of the computer.  The 800XL contains 64K RAM while the 600XL has 16K RAM.
 
 The new Atari Corp. delivered on its promise to advance the 8-bit Atari 
 system by replacing the 800XL/600XL with the new 130XE and 65XE in 1985.  
 The 65XE is nearly identical to the 800XL in features, minus the PBI.  
 The 130XE, however, offers 128K RAM, plus a few special new graphics 
 capabilities.  In addition, the 130XE replaces the PBI port with the 
 Enhanced Cartridge Interface, continuing the powerful feature of direct 
 memory access.
 
 In a change of marketing strategy, Atari introduced the new XE Game System 
 in 1987.  Despite its label, the XEGS is a true 8-bit Atari computer system.
 It offers the convenience of a detachable keyboard and built-in Missile
 Command game, while offering 64K RAM and full compatibility with the 65XE.
 
 What can you do with an 8-bit Atari computer system?  Virtually anything you 
 can do with any other type of computer!  
 
 Programming?  Pascal, C, BASIC, Logo, Pilot, Forth, Lisp, assembler, plus a
 unique language called Action! are all available.
 
 Word Processing?  Try AtariWriter, Letter Perfect, Paperclip, TextPro, Bank 
 Street Writer, 1st EXLent, TurboWord, Cut & Paste, Letter Wizard...
 
 Database?  Try TurboBase, TurboFile, Synfile, Data Perfect, MicroFiler,
 MegaFiler, Homebase, Super Data Base 1-2-3...
 
 Speadsheet?  Look at Syncalc, Visicalc, TurboBase, Calc Magic...
 
 Communications?  There's Express!, BobTerm, Kermit-65, Omnicom, VT850, 
 Chameleon...
 
 Graphics?  Print Shop, Newsroom, Blazing Paddles, Video Title Shop, Virtuoso, 
 Movie Maker, News Station, Publishing Pro, Awardware, Page Designer, 
 ChromaCAD, Rambrandt...
 
 Music?  Virtuoso, Music Studio, Music Construction Set, Songwriter, 
 Electronic Drummer, Music Painter, Music Composer, AtariMusic, MIDI-Track...
 
 Alternate Operating Systems?  Don't forget the Diamond Graphic Operating
 System, bringing point-and-click to the 8-bit Atari, and SpartaDOS X, 
 the last word in Disk Operating Systems for ANY 8-bit computer...
 
 Hardware?  The XF551 5.25" disk drive stores 360K per disk.  There exist 
 kits to convert it to a 720K 3.5" drive...The Multi I/O or the Black Box 
 may be used to connect a hard drive of any imaginable size...The XEP80 may be 
 added to provide a full 80-column text display...The R-Time-8 is a 
 battery-powered clock device...Third-party memory upgrades are available for 
 up to 4 Megabytes of RAM...SIO-2-PC lets an IBM PC act as a file-server for 
 an 8-bit Atari...
         
 Education?  Colorful graphics, exciting sounds and full-screen editing give
 rise to hundreds of quality educational software titles.
 
 Entertainment?  The 8-bit Atari has long been famous for thousands of great 
 games.
 
 If you want to do something with a computer, chances are you can do it on 
 an 8-bit Atari computer.  While slower than Intel-based systems like the IBM 
 PC and compatables and 68000-based systems like the Macintosh and the Atari 
 STe/TT, the 8-bit Atari is less costly than any of these, is easier to 
 program at the machine level or alter at the hardware level, and has been 
 documented more thoroughly than any of these newer platforms.  The relative 
 simplicity in design of the 8-bit Atari means that many people find the 
 system more reliable than the other types of computers. 
 
 The software for the 8-bit Atari is sometimes more powerful than on any 
 other platform: some Bulliten Board Systems are run on 8-bit Ataris 
 specifically because the BBS software available is better than that for 
 any other type of computer.  There is a reason for the relative quality of 
 software on the 8-bit Atari.  People program commercially for PC, Mac, or 
 STe/TT to make money; people program the 8-bit Atari because they want to - 
 they enjoy producing good software.  It takes a team of specialized 
 programmers to develop a major piece of software for those other systems; 
 with the 8-bit Atari, a single person has the chance to learn
 the entire system, thereby developing greater pride in his programming 
 abilities and his final product.
 
 The 8-bit Atari owner can take pride that his computer platform was developed 
 years before the Macintosh, IBM PC, or Atari ST were on the drawing boards, 
 but remains as useful today as it was in 1979.
 
 For these reasons and more, the 8-bit Atari remains a viable alternative
 in today's computer marketplace.
 
 [ This document was created on an Atari 130XE running AtariWriter 80 under 
 SpartaDOS X ]
 
 written by Michael Current, aa700
 
 
 

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