I've posted a little article explaining the data format/algorithm that I made for streaming video to the #Apple2 over the serial port.
#RetroComputing #1MHz

https://www.colino.net/wordpress/archives/2024/03/11/how-i-stream-video-through-an-apple-iis-serial-port/

How I stream video through an Apple II’s serial port

My way of streaming video to the 1MHz Apple IIc with no expansion slots