* [[Media:Mos 6526 cia recreated.pdf|CIA chip datasheet]]
* [[Media:Mos 6581 sid.pdf|SID chip datasheet]]
* [[Media:Mos 6567 vic ii preliminary.pdf|VIC-II chip datasheet]]
* [[Media:VIC-Article - 20240929.txt]] [[Media:MOS-6567 6569-Video-Interface-Controller.pdf|PDF version]] Latest (09/2024!) article on the VIC-II graphics chip
* [[Media:C64 pla dissected r1.1 a4ds.pdf|PLA chip dissected]]