Talk:TI BASIC (TI 99/4A)

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Additional undocumented functionality provided by plug-in modules?[edit]

Is it worth adding information on the additional commands that became available to plain TI-BASIC when certain modules (cartridges) were plugged in, such the PRK (Personal Record Keeping) module, which provided additional (undocumented) CALLs A, D, L, P, and S (and there may be others - I'd have to research it since my memory is faulty)? Just a thought. AncientBrit (talk) 16:50, 5 February 2009 (UTC)

The "Terminal Emulator" cartridge provided additional commands for synthesized speech (and, I assume, for telecommunications, though I never got to use those). I think that the "Mini Memory" cartridge added a few machine language and memory access Peek/Poke commands.WHPratt (talk) 14:25, 4 March 2009 (UTC)

True, but they were documented additions. In fact, the TEII capabilities were streets ahead of everyone else, allowing properties such as color and speech to be transmitted.
The undocumented stuff was more interesting IMHO, including the format for the data obtained using CALL SPGET(), provided by the Speech Editor, which, once known and understood, allowed the user to tweak the pronunciation of the inbuilt words and phrases. The PRK/Stats info is commented on here: scroll down to OCT 1982, for example. If I remember rightly, the article in Tidings that's mentioned was put together by me, based on information initially provided by Paul Karis of the Netherlands; sadly I no longer have any of my original materials to draw upon. AncientBrit (talk) 10:16, 10 March 2009 (UTC)
UPDATE: the link I quoted no longer works but the Internet Archive maintains a copy of the page at the URL "" (captured November 23, 2006) if anyone's curious. AncientBrit (talk) 04:11, 13 April 2012 (UTC)

Spelling, "TI BASIC" vs "TI-BASIC"[edit]

"TI BASIC" in this article is inconsistent with "TI-BASIC" used in the main article, TI-BASIC. --Mortense (talk) 00:56, 27 September 2011 (UTC)


Which of these is the most representative image, please?

  2. File:TI BASIC TI-99.png

I've never used the machine myself, and I'm not sure how reliable an internet search would be. Thanks. -- Trevj (talk · contribs) 14:26, 18 February 2014 (UTC)