
Above is what the C64 version looks like and here is what the TI-99/4A looks like:

Font looks different and I kept the C64's default blue font color.
During this whole programming ordeal, I have used and updated the following documentation:
C64 character manipulation:
https://mrgibson.com/c64basic2.php
TI-99/4A general character documentation (bottom):
https://mrgibson.com//TI/TIBASIC2.php
and lastly my general C64 BASIC document:
https://mrgibson.com/c64basic.php
I did have to shift a few things around, but most of the code is pretty close to each platform.
Here is an example of shifting from character to another between the two platforms.
119 for a=12656 to 12663: read ze: poke a,ze: poke a+1024,255-ze: next a
120 data 0,0,0,0,192,48,12,03
121 rem call char(97,"00 00 00 00 c0 30 0c 03") swap 97 for c64 46 '.'
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