Since RAM is scarce even on bigger microcontrollers, I'll be implemented tile-driving mechanisms like the older NES video game, which uses lesser RAM.
The frame-buffer is very effective for learning how the video works, actually.

PIC - UIC00B from Cytron (replacement for my broken PICKit 2), Pickit 3, MikroC for PIC
dsPIC - MikroC for dsPIC, mikromedia board (dsPIC33)
AVR - AVR Dragon
Parallax - Prop tool