mos_8502 :verified: 🇨🇦 on Nostr: The console code is very simple. Two buffers of 80*64 bytes each, one holding the ...

The console code is very simple. Two buffers of 80*64 bytes each, one holding the character values for a cell, the other holding the colour bytes. Whatever manipulates that data needs to set the "screen dirty" flag to a nonzero value to have the screen repainted during VBLANK.