Programming Graphics on the TI-99/4A - Newline99

In this video, we explore the TI's colorful world of graphics capabilities and options in TI BASIC, Extended BASIC, and assembly on the TI-99/4A, with examples of the computer's variety of video modes. Examples are shown using a combination of a real 4A console and the Classic99 emulator. Some of the examples are available on the video's listing at https://www.newline99.com/?section=viewitem&selectitem=257. 00:00 Intro 00:16 TMS9918 Video Display Processor 00:38 ASCII character set 00:51 Character definitions and CHAR 01:54 BASIC & Extended BASIC differences 02:36 Character screen dimensions 02:53 HCHAR & VCHAR subprograms 03:15 40-column text mode 03:28 Color table 03:59 Transparency & external VDP 04:37 Tips for using color 05:03 Sprites (Extended BASIC) 05:38 SPRITE subprogram & interrupt-handling 06:17 MOTION subprogram 06:25 COINC subprogram 06:48 COLOR subprogram 06:50 MAGNIFY subprogram 07:00 DELSPRITE subprogram 07:04 Sprite limitations 07:36 Bitmap mode (assembly language) 08:35 Multicolor mode (assembly language)