code improvement two loops and a buffer >> one loop no buffer

thats not an elephant.. call it for what it is .. a dirty hack.. lmao... it was the only solution i could come up with to make the ide stop giving me character mismatch errors. i normally avoid strings like the plague. but for this project it was the easiest way to go from quoted text to LED matrix...

Sketch uses 14256 bytes (5%) of program storage space. Maximum is 253952 bytes.
Global variables use 2584 bytes (31%) of dynamic memory, leaving 5608 bytes for local variables. Maximum is 8192 bytes.

give or take...