Recently [Andrew Conlin] wrote about how to use MicroZig with the Raspberry Pi RP2040 MCU, showing the process of writing an SSD1306 OLED display driver and running it.

Using the SSD1306 in the wrong way ends up using most of the CPU time though. ... Now go have fun with your *150 actual FPS* OLED displays. Please stop misinformed ranting and present facts.