Optimizing Line Count in TI BASIC: Type-in Fun with the TI-99/4A

Thanks to a generous donation of TI-99/4A programming books from viewer Greg, we type in and try to improve upon the TI version of my favourite etch-a-sketch style program that I've been fascinated with since 1983. Previous episodes mentioned: TI-99/4a 40th Birthday: ​​https://youtu.be/usqJGl2s4x4 Drawing Sketches for ZX-81: https://youtu.be/yxdxah0B3qo Really Tiny Text Adventure: https://youtu.be/_d2g5BXdyfU To support 8-Bit Show And Tell: Become a patron: https://patreon.com/8BitShowAndTell One-time donation: https://paypal.me/8BitShowAndTell 2nd channel: https://youtube.com/channel/UCAgWzEh5c8391eJnELDy9OA End credit music is an excerpt of "The Second Coming" from the album "The Agony and the Ecstasy of Steve Jobs: A Soundtrack" by Bedford Level Experiment: https://bedfordlevelexperiment.bandcamp.com/album/the-agony-and-the-ecstasy-of-steve-jobs-a-soundtrack Index: 0:00 Mystery Solved: TI-99/4A Power Supply Recall 1:53 Programming book donations from Greg 2:32 COMPUTE!'s First Book of TI Games 4:59 36 Texas Instruments TI-99/4A Programs for Home, School & Office 8:41 101 Programming Tips & Tricks for the Texas Instruments TI-99/4A Home Computer 12:11 Using & Programming the TI-99/4A: Including Ready-To-Run Programs 15:57 Typing "Drawing Sketches": Lines 10-90 20:44 Lines 100-200 24:00 Lines 210-410 27:32 RUNning Drawing Sketches 29:25 GOTO Cleanup: Optimizing line count 37:30 Reducing 41 lines of code to 7: Boolean Logic 44:11 Conclusion and thanks