Changes
/* Snapshot (.SNA) file format */
* [[Gate Array|GA = "Gate Array"]]
* [[CRTC|CRTC = "6845 Cathode Ray Tube Controller"]]
* [[8255|PPI = "Intel 8255 Programmable Peripheral Interface"]]
* [[PSG|PSG = "AY-3-8912 Programmable Sound Generator"]]
