Editing Sinclair BASIC (section)

===Timex Extended Basic===
''Timex Extended Basic'' by Timex of Portugal is used on the [[Timex Computer 3256]], adding ''TEC – Timex Extended Commands'' commands supporting the AY-3-8912 sound chip, RS-232 network and the 512x192 pixel high resolution graphic mode.<ref>{{Cite web|url=https://loadzx.com/wp-content/uploads/simple-file-list/LITERATURA/JORNAIS/Microsete/Microsete-n46.pdf|title=Microsete N.º46, Maio 1987|website=loadzx.com}}</ref><ref>{{Cite web|url=https://k1.spdns.de/Vintage/Sinclair/82/Timex%20Computer%203256%20(unreleased)/|title=Timex Computer 3256, Timex Portugal|website=k1.spdns.de}}</ref>
* RAM drive commands: <code>LOAD!</code> <code>SAVE!</code> <code>CAT!</code> <code>MERGE!</code> <code>ERASE!</code> <code>CLEAR!</code>
* RS-232 commands: <code>FORMAT!</code> <code>LPRINT</code> <code>LLIST</code>
* AY-3-8912 commands: <code>BEEP!</code>
* 512 x 192 resolution commands: <code>SCREEN$</code> <code>DRAW!</code> <code>PLOT!</code> <code>CIRCLE!</code>