Abstract is: The TI-99/4 and TI-99/4A are home computers released by Texas Instruments in 1979 and 1981, respectively. Based on the Texas Instruments TMS9900 microprocessor originally used in minicomputers, the TI-99/4 was the first 16-bit home computer. The associated video display controller provides color graphics and sprite support which were only comparable with those of the Atari 400 and 800 released a month after the TI-99/4. The calculator-style keyboard of the TI-99/4 was cited as a weak point, and TI's reliance on ROM cartridges and their practice of limiting developer information to select third parties resulted in a lack of software for the system. The TI-99/4A was released in June 1981 to address some of these issues with a simplified internal design, full-travel keyboard, improved graphics, and a unique expansion system. At half the price of the original model, sales picked up significantly and TI supported the 4A with peripherals, including a speech synthesizer and a "Peripheral Expansion System" box to contain hardware add-ons. TI released developer information and tools, but the insistence on remaining sole publisher continued to starve the platform of software. The 1981 US launch of the TI-99/4A followed Commodore's VIC-20 by several months. Commodore CEO Jack Tramiel did not like TI's predatory pricing in the mid-1970s and retaliated with a price war by repeatedly lowering the price of the VIC-20 and forcing TI to do the same. By 1983, the 99/4A was selling at a loss for under US$100. Even with the increased user base created by the heavy discounts, Texas Instruments lost US$330 million in the third quarter of 1983 and announced the discontinuation of the TI-99/4A in October 1983. Production ended in March 1984. The TI-99/4 was intended to fit in the middle of a planned range of TI-99 computers, none of which were ultimately released but prototypes and documentation have been found after the TI-99/4A was discontinued.
P646 | Freebase ID | /m/01pvj8 |
P12216 | Game Classification machine ID | 50 |
P6078 | GameFAQs platform ID | ti99 |
ti99 | ||
P11122 | HomeComputer Museum ID | Texas_Instruments_TI99_4A |
Texas_Instruments_TI99_4A_beige | ||
P5795 | Internet Game Database platform ID | ti-99 |
P7809 | LaunchBox Games Database platform ID | 149 |
P244 | Library of Congress authority ID | sh85135190 |
P8647 | Library of Congress Children's Subject Headings ID | sj2021051892 |
P5868 | MobyGames platform ID | ti-994a |
P8189 | National Library of Israel J9U ID | 987007536404005171 |
P5936 | old-computers.com ID | 236 |
P7757 | ScreenScraper platform ID | 205 |
P3984 | subreddit | ti994a |
P12667 | The Spriters Resource platform ID | ti_99 |
P7623 | TheGamesDB platform ID | 4953 |
P6839 | TV Tropes ID | UsefulNotes/TI99 |
P7556 | UVL platform ID | 56 |
P7592 | VideoGameGeek platform ID | 5812 |
P495 | country of origin | United States of America | Q30 |
P880 | CPU | Texas Instruments TMS9900 | Q767710 |
P178 | developer | Texas Instruments | Q193412 |
P2669 | discontinued date | 1984-03-01 | |
P176 | manufacturer | Texas Instruments | Q193412 |
P793 | significant event | production | Q739302 |
P910 | topic's main category | Category:TI-99/4A | Q8844848 |
P2283 | uses | Graphics Programming Language | Q28757927 |
FileName: TI99-IMG 7132 (filter levels crop).jpg
Description:
Texas Instruments TI-99 computer.
On display at the Musée Bolo, EPFL, Lausanne.Artist: Rama & Musée Bolo
Work is copyrighted.
License: CC BY-SA 2.0 fr
Attribution is required.
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