Thanks. I spent the better part of the day working on ways to reduce memory but ending up giving up.
Instead, I attached an i2c 1602 two-line LCD display and got that working.
Memory and cpu speed were still a bit tight but I got it working now smoothly without issue.
I posted the code to:
By all means, if you think you can get this working on a T-display, then I am happy to try. But meanwhile i at least have a reasonable and simple working solution.