VGA hardware could do mainly graphics mode 12h, 640×480 pixel in 16 colors at 60Hz, 31,5 KHz (VGA resolution). Or 80×25 text-mode in 720×400 resolution at 70 Hz, 31,5 KHz. Some games did 320× ...

On the other side of the dual port RAM, [Andy] installed an ATmega164 running his own custom firmware. The new hardware gives [Andy] a live view of what’s going on in the NES’s memory.

The new dual monitor VGA adapter for the Raspberry Pi Model B+ has been created by Gert van Loo, check out the video after the jump to the learn about this useful adapter ...