Wokwi: Letters flipped horizontally

[irgendwer92]

Hi! The MAX7219 in Wokwi and maybe some real matrices flip the letters vertically like this:

This is fixed by changing the framebuffer config in line 56 from MONO_HLSB to MONO_HMSB like here:

Maybe a method to switchbetween these would be nice, but i wanted to post the fix here after finding it.

[irgendwer92]

Edit: I opened a pull request