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113-711: Rick Teverbaugh reviewed the Atari ST version of the game for Antic and said: "I'd mostly recommend it for Boulder Dash fanatics who know the game inside and out and want new horizons and challenges. They certainly can be created here". Steve Panak reviewed the Atari 8-bit version of the game for Antic and wrote: "Of course, one expects all the hallmarks of a proven arcade wristbuster. The simple objectives, fast action and superb graphics make for hours of addictive play". Rhett Anderson for Compute! said that "players unfamiliar with Boulderdash probably won't stand much of

226-480: A GEMDOS file system which became part of Atari TOS (for "The Operating System", colloquially known as the "Tramiel Operating System"). This gave the ST a fast, hierarchical file system , essential for hard drives , and provided programmers with function calls similar to MS-DOS . The Atari ST character set is based on codepage 437 . After six months of intensive effort following Tramiel's takeover, Atari announced

339-600: A membrane keyboard and single internal ROM slot, outsold the Atari 800 by a 2-to-1 margin. Only one cartridge for the 800's right slot was produced by March 1983, and later machines in the series have only one slot. Creative Computing mentioned the Atari machines in an April 1979 overview of the CES show. Calling Atari "the videogame people", it stated they came with "some fantastic educational, entertainment and home applications software". In an August 1979 interview Atari's Peter Rosenthal suggested that demand might be low until

452-470: A 16-bit bus, which reduces performance and cost. In another cost-reduction measure, Atari shipped the Falcon in an inexpensive case much like that of the ST and ST . Aftermarket upgrade kits allow it to be put in a desktop or rack-mount case, with the keyboard separate. Released in 1992, the Falcon was discontinued by Atari the following year. In Europe, C-Lab licensed the Falcon design from Atari and released

565-533: A 6502B. SALLY was incorporated into late-production 400 and 800 models, all XL/XE models, and the Atari 5200 and Atari 7800 consoles. SALLY adds logic to disable the clock signal, called HALT , which ANTIC uses to shut off the CPU to access the data/address bus. Mirroring the 400/800, two systems were planned, the 1000 with 16 KB and the 1000X with 64 KB, each expandable via a Parallel Bus Interface slot on

678-504: A chance; experts will be delighted. Beginners are better off designing their own games with easier challenges before trying to tackle the sample game". David Langendoen for Family Computing considered the game as "boulder" and "better" than its predecessors. Ervin Bobo for Compute!'s Gazette said that the action in the game is fast and deadly. Atari ST Atari ST is a line of personal computers from Atari Corporation and

791-404: A few months later and were included in new machines and as an upgrade for older machines. Atari originally intended to include GEM's GDOS (Graphical Device Operating System), which allows programs to send GEM VDI ( Virtual Device Interface ) commands to drivers loaded by GDOS. This allows developers to send VDI instructions to other devices simply by pointing to it. However, GDOS was not ready at

904-419: A higher-end machine known as "Colleen" (named after two Atari secretaries). Atari would market Colleen as a computer and Candy as a game machine or hybrid game console. Colleen includes user-accessible expansion slots for RAM and ROM , two 8 KB ROM cartridge slots, RF and monitor output (including two pins for separate luma and chroma suitable for superior S-Video output) and a full keyboard. Candy

1017-617: A key part of the software library. The 1980 first-person space combat simulator Star Raiders is considered the platform's killer app . The Atari 800 was positioned as a high-end model and the 400 as more affordable. The 400 has a pressure-sensitive, spillproof membrane keyboard and initially shipped with a non-upgradable 8 KB of RAM. The 800 has a conventional keyboard, a second cartridge slot, and allows easy RAM upgrades to 48K. Both use identical 6502 CPUs at 1.79 MHz ( 1.77 MHz for PAL versions) and coprocessors ANTIC , POKEY , and CTIA/GTIA . The plug-and-play peripherals use

1130-555: A letter by Gilman Louie , head of Spectrum HoloByte . He stated that he had been warned by competitors that releasing a game like Falcon on the ST would fail because BBSs would widely disseminate it. Within 30 days of releasing the non- copy protected ST version, the game was available on BBSs with maps and code wheels . Because the ST market was smaller than that for the IBM PC, it was more vulnerable to piracy which, Louie said, seemed to be better organized and more widely accepted for

1243-723: A list price of US$ 999 (equivalent to about $ 2,800 in 2023) in the US, BYTE hailed it as the first computer to break the $ 1000 per megabyte price barrier. Compute! noted that the 1040ST is the first computer with one megabyte of RAM to sell for less than $ 2,500. A limited number of 1040STFs shipped with a single-sided floppy drive. Initial sales were strong, especially in Europe, where Atari sold 75% of its computers. West Germany became Atari's strongest market, with small business owners using them for desktop publishing and CAD. To address this growing market segment, Atari introduced

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1356-449: A little under one year. Atari had intended to release the 130ST with 128 KB of RAM and the 260ST with 256 KB. However, the ST initially shipped without TOS in ROM and required booting TOS from floppy, taking 206 KB RAM away from applications. The 260ST was launched in Europe on a limited basis. Early models have six ROM sockets for easy upgrades to TOS. New ROMs were released

1469-470: A low-cost desktop publishing package. A custom blitter coprocessor improved some graphics performance, but was not included in all models. Developers wanting to use it had to detect its presence in their programs. Properly written applications using the GEM API automatically make use of the blitter. In late 1989, Atari Corporation released the 520ST and 1040ST (also written STE), enhanced version of

1582-587: A new design with an integrated hard-drive enclosure. The final model of ST computer is the Falcon030. Like the TT, it is 68030-based, at 16 MHz, but with improved video modes and an on-board Motorola 56001 audio digital signal processor . Like the Atari STE , it supports sampling frequencies above 44.1 kHz; the sampling master clock is 98340 Hz (which can be divided by a number between 2 and 16 to get

1695-629: A series of registers that can be user-controlled via memory load/store instructions running on the 6502. For example, the GTIA uses a series of registers to select colors for the screen; these colors can be changed by inserting the correct values into its registers, which are mapped into the address space that is visible to the 6502. Some of the coprocessors use data stored in RAM, such as ANTIC's display buffer and display list , and GTIA's Player/Missile ( sprite ) information. The custom hardware features enable

1808-721: A single double-sided one, to avoid alienating early adopters . Some software uses formats which allow the full disk to be read by double-sided drives but still lets single-sided drives access side A of the disk. Many magazine coverdisks (such as the first 30 issues of ST Format ) were designed this way, as were a few games. The music in Carrier Command and the intro sequence in Populous are not accessible to single-sided drives, for example. STs with double-sided drives can read disks formatted by MS-DOS , but IBM PC compatibles can not read Atari disks because of differences in

1921-683: A single resolution of 640 × 400 at 71.25 Hz. The attached monitor determines available resolutions, so each application either supports both types of monitors or only one. Most ST games require colour with productivity software favouring the monochrome. The Philips CM8833-II was a popular color monitor for the Atari ST. Atari initially used single-sided 3.5 inch floppy disk drives that could store up to 360 KB. Later drives were double-sided and stored 720 KB. Some commercial software, particularly games, shipped by default on single-sided disks, even supplying two 360 KB floppies instead of

2034-453: Is based on CP/M-68K, a direct port of CP/M to the 68000. By 1985, CP/M was becoming increasingly outdated; it did not support subdirectories, for example. Digital Research was also in the process of building GEMDOS, a disk operating system for GEM, and debated whether a port of it could be completed in time for product delivery in June. The decision was eventually taken to port it, resulting in

2147-411: Is no. 'What will it do for me?' That's his major concern. ... why try to scare the consumer off by making it so he or she has to have a double E or be a computer programmer to utilize the full capabilities of a personal computer?" For example, cartridges were expected to make the computers easier to use. To minimize handling of bare circuit boards or chips, as is common with other systems of that period,

2260-467: Is the first Atari with PCM audio; using a new chip, it added the ability to play back 8-bit (signed) samples at 6258 Hz, 12,517 Hz, 25,033 Hz, and even 50,066 Hz, via direct memory access (DMA). The channels are arranged as either a mono track or a track of LRLRLRLR... bytes. RAM is now much more simply upgradable via SIMMs . Two enhanced joystick ports were added (two normal joysticks can be plugged into each port with an adapter), with

2373-536: The Atari Home Computer System , are a series of home computers introduced by Atari, Inc. , in 1979 with the Atari 400 and Atari 800. 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 features. The graphics and sound are more advanced than most of its contemporaries, and video games are

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2486-533: The Atari SIO serial bus , and one of the SIO developers eventually went on to co-patent USB (Universal Serial Bus). The core architecture of the Atari 8-bit computers was reused in the 1982 Atari 5200 game console, but games for the two systems are incompatible. The 400 and 800 were replaced by multiple computers with the same technology and different presentation. The 1200XL was released in early 1983 to supplant

2599-651: The CTIA (the VCS version was the TIA). During the early development period, the home computer era began in earnest with the TRS-80 , PET , and Apple II —what Byte magazine dubbed the "1977 Trinity". Nolan Bushnell sold Atari to Warner Communications for US$ 28 million in 1976 to fund the launch of the VCS. In 1978, Warner hired Ray Kassar to become the CEO of Atari. Kassar said

2712-552: The Federal Communications Commission (FCC) introduced new testing standards which are extremely exacting and difficult to meet. Other manufacturers avoided the problem by using built-in composite monitors, such as the Commodore PET and TRS-80. The TRS-80 has a slightly modified black and white television as a monitor. It was notorious for causing interference, and production was canceled when

2825-586: The Mega STE , is an STE in a grey Atari TT case that had a switchable 16 MHz, dual-bus design (16-bit external, 32-bit internal), optional Motorola 68881 FPU , built-in 1.44 MB "HD" 3 1 ⁄ 2 -inch floppy disk drive, VME expansion slot, a network port (very similar to that used by Apple's LocalTalk ) and an optional built-in 3 1 ⁄ 2 " hard drive. It also shipped with TOS 2.00 (better support for hard drives, enhanced desktop interface, memory test, 1.44 MB floppy support, bug fixes). It

2938-564: The Motorola 68000 's 16-bit external bus and 32-bit internals. The ST was sold with either Atari's color monitor or less expensive monochrome monitor . Color graphics modes are available only on the former while the highest-resolution mode requires the monochrome monitor. Some models can display the color modes on a TV. In Germany and some other markets, the ST gained a foothold for CAD and desktop publishing . With built-in MIDI ports, it

3051-583: The Motorola 68000 . The Atari ST design was completed in five months in 1984, concluding with it being shown at the January 1985 Consumer Electronics Show. A custom sound processor called AMY had been in development at Atari, Inc. and was considered for the new ST computer design. The chip needed more time to complete, so AMY was dropped in favor of a commodity Yamaha YM2149F variant of the General Instrument AY-3-8910 . Soon after

3164-753: The Nintendo Entertainment System reignited the console market, Atari Corporation packaged the 65XE as a game console, with an optional keyboard, as the Atari XEGS . It is compatible with 8-bit computer software and peripherals. The 8-bit computers were sold both in computer stores and department stores such as Sears using an in-store demo to attract customers. Two million Atari 8-bit computers were sold during its major production run between late 1979 and mid-1985. In 1984, Atari reported 4 million owners of its computers and 5200 game console combined. The primary global competition came when

3277-417: The "excellent 'feel ' " of the keyboard. InfoWorld favorably reviewed the 800's performance, graphics, and ROM cartridges, but disliked the documentation and cautioned that the unusual right Shift key location might make the computer "unsuitable for serious word processing". There is an "Atari key" between the / and shift, whereas a typical keyboard would extend the shift key into this area. Noting that

3390-568: The 1200XL in mid-1983, the new models did not arrive until late that year. Although the 600XL/800XL were well positioned in terms of price and features, during the critical Christmas season they were available only in small numbers while the Commodore 64 was widely available. Brian Moriarty stated in ANALOG Computing that Atari "fail[ed] to keep up with Christmas orders for the 600 and 800XLs", reporting that as of late November 1983

3503-507: The 1200XL's than the 400 and 800's, and the "inadequate and frankly disappointing" documentation, ANALOG concluded that "our first impression ... is mixed but mostly optimistic." The magazine warned, however, that because of "Atari's sluggish marketing", unless existing customers persuaded others to buy the XL models, "we'll all end up marching to the beat of a drummer whose initials are IBM." The high-end 1400XL and 1450XLD were announced alongside

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3616-402: The 1450XLD so delayed that it would never ship. Other prototypes which never reached market include the 1600XL, 1650XLD, and 1850XLD. The 1600XL was to have been a dual-processor model capable of running 6502 and 80186 code, and the 1650XLD is a similar machine in the 1450XLD case. These were canceled when James J. Morgan became CEO and wanted Atari to return to its video game roots. The 1850XLD

3729-541: The 1980–81 time frame, when he predicted about one million home computers being sold. The April 1980 issue compared the machines with the Commodore PET , focused mostly on the BASIC dialects. Ted Nelson reviewed the computer in the magazine in June 1980, calling it "an extraordinary graphics box". Describing his and a friend's "shouting and cheering and clapping" during a demo of Star Raiders , Nelson wrote that he

3842-565: The 520ST at the Winter Consumer Electronics Show in Las Vegas in January 1985. InfoWorld assessed the prototypes shown at computer shows as follows: Pilot production models of the Atari machine are much slicker than the hand-built models shown at earlier computer fairs; it doesn't look like a typical Commodore 64-style, corner-cutting, low-cost Jack Tramiel product of the past. Atari unexpectedly displayed

3955-507: The 600XL and 800XL. They added a built-in 300 baud modem and a voice synthesizer , and the 1450XLD has a built-in double-sided floppy disk drive in an enlarged case, with a slot for a second drive. Atari BASIC is built into the ROM and the PBI at the back for external expansion. The 1400XL and the 1450XLD had their delivery dates pushed back, and in the end, the 1400XL was canceled outright, and

4068-437: The 800, "buy an 800 quick!" In May 1981, the Atari 800's price was $ 1,050 (equivalent to $ 3,500 in 2023), but by mid-1983, because of price wars in the industry, it was $ 165 (equivalent to $ 500 in 2023) and the 400 was under $ 150 (equivalent to $ 460 in 2023). The 1200XL was a flop, and the earlier machines were too expensive to produce to be able to compete at the rapidly falling price points. A new lineup

4181-461: The 800. It was discontinued months later, but the industrial design carried over to the 600XL and 800XL released later the same year. After the company was sold and reestablished, Atari Corporation released the 65XE (sold as the 800XE in some European markets) and 130XE in 1985. The XL and XE are lighter in construction, have two joystick ports instead of four, and Atari BASIC is built-in. The 130XE has 128 KB of bank-switched RAM. In 1987, after

4294-474: The 800XL had not appeared in Massachusetts stores while 600XL "quantities are so limited that it's almost impossible to obtain". After losing $ 563 million in the first nine months of the year, Atari that month announced that prices would rise in January, stating that it "has no intention of participating in these suicidal price wars." The 600XL and 800XL's prices in early 1984 were $ 50 higher than for

4407-505: The Amiga had almost none. After Atlanta COMDEX, The New York Times reported that "more than 100 software titles will be available for the [ST], most written by small software houses that desperately need work", and contrasted the "small, little-known companies" at Las Vegas with the larger ones like Electronic Arts and Activision , which planned Amiga applications. Trip Hawkins of Electronic Arts said, "I don't think Atari understands

4520-480: The Atari 520ST in June 1985. In March 1987, the two companies settled the dispute out of court in a closed decision. The lead architect of the new computer project at Tramel Technology and Atari Corporation was ex-Commodore employee Shiraz Shivji , who previously worked on the Commodore 64 's development. Different CPUs were investigated, including the 32-bit National Semiconductor NS32000 , but engineers were disappointed with its performance, and they moved to

4633-403: The Atari buyout, Microsoft suggested to Tramiel that it could port Windows to the platform, but the delivery date was out by two years. Another possibility was Digital Research , which was working on a new GUI-based system then known as Crystal, soon to become GEM . Another option was to write a new operating system, but this was rejected as Atari management was unsure whether the company had

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4746-459: The Atari market, and urged readers to contact the companies' leaders. "The Atari 800 computer has been in existence since 1979. Six years is a pretty long time for a computer to last. Unfortunately, its age is starting to show", ANALOG Computing wrote in February 1986. The magazine stated that while its software library was comparable in size to that of other computers, "now—and even more so in

4859-502: The Atari work during a visit to Grass Valley. He realized the Commodore design would not be competitive but he was under a strict non-disclosure agreement with Atari, and was unable to tell anyone at Commodore to give up on their own design. Peddle later commented that "the thing that Jay did, just kicked everybody's butt." Management identified two sweet spots for the new computers: a low-end version known internally as "Candy", and

4972-622: The Atari ;ST in 1985, Tramiel stated that sales of Atari 8-bit computers were "very, very slow". They were never an important part of Atari's business compared to video games, and it is possible that the 8-bit line was never profitable for the company though almost 1.5 million computers had been sold by early 1986. By that year, the Atari software market was decreasing in size. Antic magazine stated in May 1985 that it had received many letters complaining that software companies were ignoring

5085-574: The C-Lab Falcon Mk I, identical to Atari's Falcon except for slight modifications to the audio circuitry. The Mk II added an internal 500 MB SCSI hard disk; and the Mk X further added a desktop case. C-Lab Falcons were also imported to the US by some Atari dealers. As with the Atari 8-bit computers , software publishers attributed their reluctance to produce Atari ST products in part to—as Compute! reported in 1988—the belief in

5198-520: The CTIA. CTIA processes the sprite and playfield data in the light of its own color, sprite, and graphics registers to produce the final color video output. The resulting system was far in advance of anything then available on the market. Commodore was developing a video driver at the time, but Chuck Peddle , lead designer of the MOS Technology 6502 CPU used in the VCS and the new machines, saw

5311-465: The Centronics printer port can be used for joystick input, and several games used available adaptors that used the printer socket, providing two additional 9-pin joystick ports. The ST supports a monochrome or colour monitor. The colour hardware supports two resolutions: 320 × 200 pixels, with 16 of 512 colours; and 640 × 200, with 4 of 512 colours. The monochrome monitor was less expensive and has

5424-540: The ECI port. The Atari XEGS (XE Game System) was launched in 1987. A repackaged 65XE with a removable keyboard, it boots to the 1981 port of Missile Command instead of BASIC if the keyboard is disconnected. The Atari machines consist of a 6502 as the main processor, a combination of ANTIC and GTIA chips to provide graphics, and the POKEY chip to handle sound and serial input/output. These support chips are controlled via

5537-547: The FCC rejected the design, delaying that machine's release. TI ultimately shipped early machines with a custom television as the testing process dragged on. To meet the off-the-shelf requirement while including internal TV circuitry, the new machines needed to be heavily shielded. Both were built around very strong cast aluminum shields forming a partial Faraday cage , with the various components screwed down onto this internal framework. This resulted in an extremely sturdy computer, at

5650-540: The OS goes to the "Memo Pad" which is a built-in full-screen editor without file storage support. As the design process for the new machines continued, there were questions about what the Candy should be. There was a running argument about whether the keyboard would be external or built-in. By the summer of 1978, education had become a focus for the new systems. The Colleen design was largely complete by May 1978, but in early 1979

5763-432: The SIO port is not connected, which prevents a few devices from working. The +12V was typically used to power RS-232 devices, which now required an external power source. An improved video circuit provides more chroma for a more colorful image, but the chroma line is not connected to the monitor port, the only place that could make use of it. The operating system has compatibility problems with some older software. The 1200XL

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5876-677: The ST at Atlanta COMDEX in May. Similarities to the original Macintosh and Tramiel's role in its development resulted in it being nicknamed Jackintosh . Atari's rapid development of the ST amazed many, but others were skeptical, citing its "cheap" appearance, Atari's uncertain financial health, and poor relations between Tramiel-led Commodore and software developers. Atari ST print advertisements stated, "America, We Built It For You", and quoted Atari president Sam Tramiel: "We promised. We delivered. With pride, determination, and good old ATARI know how". But Jack Tramiel admitted that sales of its earlier 8-bit systems were "very, very slow", Atari

5989-522: The ST or Amiga, and the majority of software companies were hesitant to support another platform beyond the IBM PC , Apple, and Commodore 64 . Philippe Kahn of Borland said, "These days, if I were a consumer, I'd stick with companies [such as Apple and IBM] I know will be around ". At Las Vegas COMDEX in November 1985, the industry was surprised by more than 30 companies exhibiting ST software while

6102-473: The ST or the Amiga. John C. Dvorak wrote that the public saw both Commodore and Atari as selling "cheap disposable" game machines, in part because of their computers' sophisticated graphics. The original 520ST case design was created by Ira Velinsky, Atari's chief Industrial Designer. It is wedge-shaped, with bold angular lines and a series of grilles cut into the rear for airflow. The keyboard has soft tactile feedback and rhomboid-shaped function keys across

6215-479: The ST with improvements to the multimedia hardware and operating system. It features an increased color palette of 4,096 colors from the ST's 512 (though the maximum displayable palette without programming tricks is still limited to 16 in the lowest 320 × 200 resolution, and even fewer in higher resolutions), genlock support, and a blitter coprocessor (stylized as "BLiTTER") which can quickly move large blocks of data (particularly, graphics data) around in RAM. The STE

6328-547: The ST. After a meeting with Atari, one analyst said, "We've seen marketing strategies changed before our eyes". Tramiel's poor reputation influenced potential software developers. One said, "Dealing with Commodore is like dealing with Attila the Hun. I don't know if Tramiel will be following his old habits ... I don't see a lot of people rushing to get software on the machine." Large business-software companies like Lotus , Ashton-Tate , and Microsoft did not promise software for either

6441-489: The ST. He reported that the Amiga version sold in six weeks twice as much as the ST version in nine weeks, and that the Mac and PC versions had four times the sales. Computer Gaming World stated "This is certainly the clearest exposition ... we have seen to date" of why software companies produced less software for the ST than for other computers. Atari 8-bit computers The Atari 8-bit computers , formally launched as

6554-516: The ST1 at Comdex in 1986. Renamed to Mega, it includes a high-quality detached keyboard, a stronger case to support the weight of a monitor, and an internal bus expansion connector. An optional 20 MB hard drive can be placed below or above the main case. Initially equipped with 2 or 4 MB of RAM (a 1 MB version, the Mega 1, followed), the Mega machines can be combined with Atari's laser printer for

6667-587: The SubGenius ). The ST was less expensive than most contemporaries, including the Macintosh Plus , and is faster than many. Largely as a result of its price and performance factor, the ST became fairly popular, especially in Europe where foreign-exchange rates amplified prices. The company's English advertising slogan of the era was "Power Without the Price". An Atari ST and terminal emulation software

6780-452: The Sweet 8 (or Liz NY) and Sweet 16 projects to create an upgraded set of machines that were easier to build and less costly to produce. Atari ordered a custom 6502, initially labelled 6502C, but eventually known as SALLY to differentiate it from a standard 6502C. A 6502C was simply a version of the 6502 able to run up to 4 MHz. The A models run at 1, and the B's at 2. The basis for SALLY is

6893-458: The VIC-20 and Commodore 64. ANALOG Computing , writing about the 600XL in January 1984, stated that "the Commodore 64 and Tandy CoCo look like toys by comparison." The magazine approved of its not using the 1200XL's keyboard layout, and predicted that the XL's parallel bus "actually makes the 600 more expandable than a 400 or 800." While disapproving of the use of an operating system closer to

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7006-477: The Winter CES in January 1979 and shipped in November 1979. The names originally referred to the amount of memory: 4 KB RAM in the 400 and 8 KB in the 800. By the time they were released, RAM prices had started to fall, so the machines were both released with 8 KB, using 4kx1 DRAMs. The user-installable RAM modules in the 800 initially had plastic casings but this caused overheating issues, so

7119-462: The actual sampling frequencies). It can play the STE sample frequencies (up to 50066 Hz) in 8 or 16 bit, mono or stereo, all by using the same DMA interface as the STE, with a few additions. It can both play back and record samples, with 8 mono channels and 4 stereo channels, allowing musicians to use it for recording to hard drive. Although the 68030 microprocessor can use 32-bit memory, the Falcon uses

7232-610: The amount of software and hardware available for the computer "is no match for that of the Apple II or the TRS-80", the magazine concluded that the 800 "is an impressive machine that has not yet reached its full computing potential". Though planning an extensive advertising campaign for 1980, Atari found difficult competition from Commodore, Apple, and Tandy. By mid-1981, it had reportedly lost $ 10 million on sales of $ 10–13 million from more than 50,000 computers. In 1982, Atari started

7345-514: The back of the machine. The original Sweet 8/16 plans were dropped and only one machine using the new design was released. Announced at a New York City press conference on December 13, 1982, the 1200XL was presented at the Winter CES on January 6–9, 1983. It shipped in March 1983 with 64 KB of RAM, built-in self test, a redesigned keyboard (with four function keys and a HELP key), and redesigned cable port layout. The number of joystick ports

7458-468: The casings were removed. Later, the expansion cover was held down with screws instead of the easier-to-open plastic latches. The computers eventually shipped with maxed-out RAM: 16k and 48k, respectively, using 16kx1 DRAMs. Both models have four joystick ports, permitting four simultaneous players, but only a few games (such as M.U.L.E. ) use them all. Paddle controllers are wired in pairs, and Super Breakout supports eight players. The Atari 400, with

7571-483: The chipset should be used in a home computer to challenge Apple. To adapt the machine to this role, it needed character graphics, some form of expansion for peripherals , and run the then-universal BASIC programming language. The VCS lacks bitmap graphics and a character generator . All on-screen graphics are created using sprites and a simple background generated by data loaded by the CPU into single-scan-line video registers. Atari engineer Jay Miner architected

7684-676: The chipset. Tramiel countered by suing Amiga Corp. on August 13, 1984, seeking damages and an injunction to bar Amiga (and effectively Commodore) from producing anything with its technology. The lawsuit left the Amiga team in limbo during mid-1984. Commodore eventually moved forward, with plans to improve the chipset and develop an operating system . Commodore announced the Amiga 1000 with the Lorraine chipset in July 1985, but it wasn't available in quantity until 1986. The delay gave Atari time to deliver

7797-464: The computer through a single shielded connector. The internal slots were reserved for ROM and RAM modules; they did not have the control lines necessary for a fully functional expansion card, nor room to route a cable outside the case to communicate with external devices. After Atari announced its intent to enter the home computer market in December 1978, the Atari 400 and Atari 800 were presented at

7910-442: The computers to perform many functions directly in hardware, such as smooth background scrolling, that would need to be done in software in most other computers. Graphics and sound demos were part of Atari's earliest developer information and used as marketing materials with computers running in-store demos. ANTIC is a microprocessor which processes a sequence of instructions known as a display list . An instruction adds one row of

8023-423: The computers were designed with enclosed modules for memory, ROM cartridges, with keyed connectors to prevent them being plugged into the wrong slot. The operating system boots automatically, loading drivers from devices on the serial bus (SIO). The disk operating system for managing floppy storage was menu-driven. When no software is loaded, rather than leaving the user at a blank screen or machine language monitor,

8136-530: The console and home computer departments, in July. As executives and engineers left Commodore to join Tramel Technology, Commodore responded by filing lawsuits against four former engineers for infringement of trade secrets . The Tramiels did not purchase the employee contracts with the assets of Atari, Inc. and re-hired approximately 100 of the 900 former employees. Tramel Technology soon changed its name to Atari Corporation . Amid rumors that Tramiel

8249-492: The decision was made that Candy would also be a complete computer, but intended for children. As such, it would feature a new keyboard designed to be resistant to liquid spills. Atari intended to port Microsoft BASIC to the machine as an 8  KB ROM cartridge. However, the existing 6502 version from Microsoft was around 7,900 bytes, leaving no room for extensions for graphics and sound. The company contracted with local consulting firm Shepardson Microsystems to complete

8362-489: The disadvantage of added manufacturing expense and complexity. The FCC ruling also made it difficult to have any sizable holes in the case, which would allow RF leakage. This eliminated expansion slots or cards that communicated with the outside world via their own connectors. Instead, Atari designed the Serial Input/Output (SIO) computer bus , a system for daisy-chaining multiple, auto-configuring devices to

8475-483: The entire ST computer line in 1993, shifting the company's focus to the Jaguar video game console. The Atari ST was born from the rivalry between home computer makers Atari, Inc. and Commodore International . Jay Miner , one of the designers of the custom chips in the Atari 2600 and Atari 8-bit computers , tried to convince Atari management to create a new chipset for a video game console and computer. When his idea

8588-440: The existence of a "higher-than-normal amount of software piracy". That year, WordPerfect threatened to discontinue the Atari ST version of its word processor because the company discovered that pirate bulletin board systems (BBSs) were distributing it, causing ST-Log to warn that "we had better put a stop to piracy now ... it can have harmful effects on the longevity and health of your computer". In 1989, magazines published

8701-547: The football for Charlie Brown , you can believe Jack Tramiel"; another said that because of its experience with Tramiel, "our interest in Atari is zero, zilch". Neither Atari nor Commodore could persuade large chains like ComputerLand or BusinessLand to sell its products. Observers criticized Atari's erratic discussion of its stated plans for the new computer, as it shifted between using mass merchandisers , specialty computer stores, and both. When asked at COMDEX, Atari executives could not name any computer stores that would carry

8814-591: The future—there is going to be less software being made for the Atari 8-bit computers", warning that 1985 only saw a "trickle" of major new titles and that 1986 "will be even leaner". Computer Gaming World that month stated "games don't come out for the Atari first anymore". In April, the magazine published a survey of ten game publishers which found that they planned to release 19 Atari games in 1986, compared to 43 for Commodore 64, 48 for Apple II, 31 for IBM PC, 20 for Atari ST, and 24 for Amiga. Companies stated that one reason for not publishing for Atari

8927-492: The guy that designed it". Kilobaud Microcomputing wrote in September 1980 that the Atari 800 "looks deceptively like a video game machine, [but had] the strongest and tightest chassis I have seen since Raquel Welch . It weighs about ten pounds ... The large amount of engineering and design in the physical part of the system is evident". The reviewer praised the documentation as "show[ing] the way manuals should be done", and

9040-552: The high-end XL models were canceled and the low-end XLs were redesigned into the XE series. Nearly all research, design, and prototype projects were canceled, including the Amiga-based 1850XLD . Tramiel focused on developing the 68000 -based Atari ST computer line and recruiting former Commodore engineers to work on it. Atari sold about 700,000 computers in 1984 compared to Commodore's two million. As his new company prepared to ship

9153-435: The keyboard. An "FM" variant includes an RF modulator allowing a television to be used instead of a monitor. The trailing "F" and "FM" were often dropped in common usage. In BYTE magazine's March 1986 cover photo of the system, the name plate reads 1040ST but in the headline and article it's simply "1040ST". The 1040ST is one of the earliest personal computers shipped with a base RAM configuration of 1 MB. With

9266-405: The layout of data on track 0. Atari upgraded the basic design in 1986 with the 1040STF, stylized as 1040ST : essentially a 520ST with twice the RAM and with the power supply and a double-sided floppy drive built-in instead of external. This adds to the size of the machine, but reduces cable clutter. The joystick and mouse ports, formerly on the right side of the machine, are in a recess underneath

9379-487: The meeting, Joe Decuir proposed placing an RF modulator on one end, thereby completely isolating any electrical signals so that the computer would have no RF components. This would mean the computer would not have to meet the FCC requirements, yet users could still attach a television simply by plugging it in. His manager, Wade Tuma, later refused the idea saying "The FCC would never let us get away with that stunt." Unknown to Atari, TI used Decuir's idea. As Tuma had predicted,

9492-468: The more stringent FCC requirements came into effect on January 1, 1981. Apple Computer famously left off the modulator and sold them under a third party company as the Sup'R'Mod so they did not have to be tested. In a July 1977 visit with the engineering staff, a Texas Instruments (TI) salesman presented a new possibility in the form of an inexpensive fiber-optic cable with built-in transceivers . During

9605-485: The new connectors placed in more easily accessed locations on the side of the case. The enhanced joystick ports were re-used in the Atari Jaguar console and are compatible. The STE models initially had software and hardware conflicts resulting in some applications and video games written for the ST line being unstable or even completely unusable, primarily caused by programming direct hardware calls which bypassed

9718-485: The operating system. Furthermore, even having a joystick plugged in would sometimes cause strange behavior with a few applications (such as the WYSIWYG word-processor application 1st Word Plus ). Sleepwalker was the only STE-only game from a major publisher, but there were STe enhancements in games such as Another World , Zool and The Chaos Engine , as well as exclusives from smaller companies. The last STE machine,

9831-634: The port. They recommended writing a new version from scratch, resulting in Atari BASIC . Televisions of the time normally had only one signal input, which was the antenna connection on the back. For devices like a computer, the video is generated and then sent to an RF modulator to convert it to antenna-like output. The introduction of many game consoles during this era had led to situations where poorly designed modulators would generate so much signal as to cause interference with other nearby televisions, even in neighboring houses. In response to complaints,

9944-532: The required expertise. Digital Research was fully committed to the Intel platform, so a team from Atari was sent to the Digital Research headquarters to work with the "Monterey Team", which comprised a mixture of Atari and Digital Research engineers. Atari's Leonard Tramiel oversaw "Project Jason" (also known as The Operating System) for the ST series, named for designer and developer Jason Loveman. GEM

10057-558: The right to add a keyboard and market the complete computer, designated the 1850XLD. After leaving Commodore International in January 1984, Jack Tramiel formed Tramel (without an "i") Technology, Ltd. with his sons and other ex-Commodore employees and, in April, began planning a new computer. Interested in Atari's overseas manufacturing and worldwide distribution network, Tramiel negotiated with Warner in May and June 1984. He secured funding and bought Atari's consumer division, which included

10170-606: The same time as the Atari 520ST , and they visually resemble the ST. The 65XE has 64 KB of RAM and is functionally equivalent to the 800XL minus the PBI connection. The 130XE has 128 KB of memory, accessible through bank switching . The additional 64K can be used as a RAM drive . The 130XE includes the Enhanced Cartridge Interface (ECI), which is almost compatible with the Parallel Bus Interface, but physically smaller and located next to

10283-490: The similarly equipped Commodore 64 was introduced in 1982. In 1992, Atari Corporation officially dropped all remaining support for the 8-bit line. Design of the "Home Computer System" started at Atari as soon as the Atari Video Computer System was released in late 1977. While designing the VCS in 1976, the engineering team from Atari Grass Valley Research Center (originally Cyan Engineering ) said

10396-623: The software business. I'm still skeptical about its resources and its credibility." Although Michael Berlyn of Infocom promised that his company would quickly publish all of its games for the new computer, he doubted many others would soon do so. Spinnaker and Lifetree were more positive, both promising to release ST software. Spinnaker said that "Atari has a vastly improved attitude toward software developers. They are eager to give us technical support and machines". Lifetree said, "We are giving Atari high priority". Some, such as Software Publishing Corporation , were unsure of whether to develop for

10509-495: The specified graphics mode to the display. Each mode varies based on whether it represents text or a bitmap, the resolution and number of colors, and its vertical height in scan lines . An instruction also indicates if it contains an interrupt, if fine scrolling is enabled, and optionally where to fetch the display data from memory. Since each row can be specified individually, the programmer can create displays containing different text or bitmapped graphics modes on one screen, where

10622-467: The standard 400 and 800 compatible cartridge slot. It provides only those signals that do not exist in the latter. ECI peripherals were expected to plug into both the standard Cartridge Interface and the ECI port. Later revisions of the 65XE contain the ECI port. The 65XE was sold as the 800XE in Germany and Czechoslovakia to ride on the popularity of the 800XL in those markets. All 800XE units contain

10735-472: The successor to the company's 8-bit home computers . The initial model, the Atari 520ST , had limited release in April–June 1985, and was widely available in July. It was the first personal computer with a bitmapped color graphical user interface , using a version of Digital Research 's GEM interface / operating system from February 1985. The Atari 1040ST , released in 1986 with 1 MB of memory,

10848-480: The system would have a three-year lifespan before becoming obsolete. They started blue sky designs for a new console that would be ready to replace it around 1979. They developed essentially a greatly updated version of the VCS, fixing its major limitations but sharing a similar design philosophy. The newer design has better speed, graphics, and sound. Work on the chips for the new system continued throughout 1978 and focused on much-improved video coprocessor known as

10961-511: The time the ST started shipping and was included in software packages and with later ST machines. Later versions of GDOS support vector fonts . A limited set of GEM fonts were included in the ROMs, including the ST's standard 8x8 pixel graphical character set. It contains four characters which can be placed together in a square, forming the face of J. R. "Bob" Dobbs (the figurehead of the Church of

11074-435: The top. It is an all-in-one unit, similar to earlier home computers like the Commodore 64 , but with a larger keyboard with cursor keys and a numeric keypad. The original has an external floppy drive (SF354) and AC adapter . Starting with the 1040ST, the floppy drive and power supply are integrated into the base unit. The ports on the 520ST remained largely unchanged over its history. Because of its bi-directional design,

11187-600: The two video chips for the Atari 8-bit computers. The CTIA chip includes sprites and background graphics, but to reduce load on the main CPU, loading video registers and buffers is delegated to a dedicated microprocessor, the Alphanumeric Television Interface Controller or ANTIC . CTIA and ANTIC work together to produce a complete display, with ANTIC fetching scan line data from a framebuffer and sprite memory in RAM, plus character set bitmaps for character modes, and feeding these to

11300-506: Was announced at the 1983 Summer CES , closely following the original Sweet concepts. The 600XL is essentially the Liz NY model and the spiritual successor of the 400, and the 800XL would replace both the 800 and 1200XL. The machines follow the styling of the 1200XL but are smaller from back to front, and the 600XL is more so. Atari had difficulty in transitioning manufacturing to Asia after closing its US factory. Originally intended to replace

11413-436: Was discontinued in June 1983. Compute! stated in an early 1983 editorial that the 1200XL was too expensive; John J. Anderson of Creative Computing agreed. Bill Wilkinson, author of Atari BASIC, co-founder of Optimized Systems Software , and columnist for Compute! , criticized the computer's features and price. He wrote that the 1200XL was a "terrific bargain" if sold for less than $ 450, but that if it cost more than

11526-419: Was initially designed as a game console, lacking a keyboard and input/output ports, although an external keyboard was planned for joystick ports 3 and 4. At the time, plans called for both to have a separate audio port supporting cassette tapes as a storage medium. A goal for the new systems was user-friendliness. One executive stated, "Does the end user care about the architecture of the machine? The answer

11639-455: Was marketed as more affordable than a TT but more powerful than an ordinary ST. In 1990, Atari released the high-end workstation-oriented Atari TT030, based on a 32 MHz Motorola 68030 processor. The "TT" name ("Thirty-two/Thirty-two") continued the nomenclature because the 68030 chip has 32-bit buses both internally and externally. Originally planned with a 68020 CPU, the TT has improved graphics and more powerful support chips. The case has

11752-413: Was much cheaper than a Digital VT220 terminal, commonly needed by offices with central computers. By late 1985, the 520ST added an RF modulator for TV display. Computer Gaming World stated that Tramiel's poor pre-Atari reputation would likely make computer stores reluctant to deal with the company, hurting its distribution of the ST. One retailer said, "If you can believe Lucy when she holds

11865-401: Was negotiating to buy Atari, Amiga Corp. entered discussions with Commodore. This led to Commodore wanting to purchase Amiga Corporation outright, which Commodore believed would cancel any outstanding contracts, including Atari's. Instead of Amiga Corp. delivering Lorraine to Atari, Commodore delivered a check of $ 500,000 on Amiga's behalf, in effect returning the funds Atari invested in Amiga for

11978-401: Was out of cash, and employees feared that he would shut the company down. In early 1985, the 520ST shipped to the press, developers, and user groups , and in early July 1985 for general retail sales. It saved the company. By November, Atari stated that more than 50,000 520STs had been sold, "with U.S. sales alone well into five figures". The machine had gone from concept to store shelves in

12091-491: Was popular for music sequencing and as a controller of musical instruments among amateur and professional musicians. The Atari ST's primary competitor was the Amiga from Commodore . The 520ST and 1040ST were followed by the Mega series, the STE, and the portable STacy . In the early 1990s, Atari released three final evolutions of the ST with significant technical differences from the original models: TT030 (1990), Mega STE (1991), and Falcon (1992). Atari discontinued

12204-407: Was reduced from 4 to 2. There is no PAL version of the 1200XL. Announced at a retail price of $ 1000, the 1200XL was released at $ 899 (equivalent to about $ 2,800 in 2023). This is $ 100 less than the announced price of the Atari 800 at its release in 1979, but by this time the 800 was priced much lower. The system uses the SIO port again instead of the Parallel Bus Interface. The +12V pin in

12317-431: Was rejected, he left Atari to form a small think tank called Hi-Toro in 1982 and began designing the new "Lorraine" chipset. Hi-Toro, by then renamed Amiga, ran out of capital to complete Lorraine's development, and Atari, now owned by Warner Communications , paid Amiga to continue its work. In return, Atari received exclusive use of the Lorraine design for one year as a video game console. After that time, Atari had

12430-444: Was so impressed that "I've been in computer graphics for twenty years, and I lay awake night after night trying to understand how the Atari machine did what it did". He described the machine as "something else" but criticized the company for a lack of developer documentation. He concluded by stating "The Atari is like the human body – a terrific machine, but (a) they won't give you access to the documentation, and (b) I'd sure like to meet

12543-631: Was the first home computer with a cost per kilobyte of RAM under US$ 1/KB. After Jack Tramiel purchased the assets of the Atari, Inc. consumer division in 1984 to create Atari Corporation, the 520ST was designed in five months by a small team led by Shiraz Shivji . Alongside the Macintosh , Amiga , Apple IIGS and Acorn Archimedes , the ST is part of a mid-1980s generation of computers with 16- or 32-bit processors, 256  KB or more of RAM, and mouse -controlled graphical user interfaces. "ST" officially stands for "Sixteen/Thirty-two", referring to

12656-518: Was the unusually high amount of software piracy on the computer, partly caused by the Happy Drive . The magazine warned later that year, "Is this the end for Atari 800 games? It certainly looks like it might be from where I write". In 1987, MicroProse confirmed that it would not release Gunship for the Atari 8-bits, stating that the market was too small. The 65XE and 130XE (XE stands for XL-Compatible Eight-bit) were announced in 1985 at

12769-490: Was to have been based on the Lorraine chipset which became the Amiga . Commodore founder Jack Tramiel resigned in January 1984 and in July, he purchased the Atari consumer division from Warner for an extremely low price. No cash was required, and instead Warner had the right to purchase $ 240 million in long-term notes and warrants, and Tramiel had an option to buy up to $ 100 million in Warner stock. When Tramiel took over,

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