TI Extended BASIC
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TI Extended BASIC was a dialect of BASIC for the Texas Instruments TI-99/4A home computer .
TI produced an Extended BASIC cartridge that greatly enhanced the functionality accessible to TI BASIC users. Sprites could be generated and set up to move automatically with simple one-line commands. Custom 'CALL' subprograms, access to memory expansion for larger programs, multiple statement lines (with the statement separator ::), boolean logic in IF statements, assembly language linkage, as well as the ability to display text at any location on the screen, were all added while largely retaining compatibility with TI BASIC. When equipped with the TI Speech Synthesizer, TI Extended BASIC users could also generate speech from a predefined vocabulary as easily as writing text on-screen. Extended BASIC also provided raw access to the speech synthesizer, but very few developers had the resources to generate the speech data and this function was rarely used.
