how do we determine the current screen mode the program is running under?

[madscijr]

How would you test to determine whether the program is currently in text mode (e.g. screen 0) or a hires screen? 

I thought I had done this before but am not finding anything about it...

Much appreciated!

[SMcNeill]

https://qb64phoenix.com/qb64wiki/index.php/PIXELSIZE