*[[Media:Yamaha V9938 MSX-Video Technical Data Book Aug85.pdf|MSX2 Graphics Processor - Yamaha V9938]]
*[[Media:Yamaha v9958 ocr.pdf|MSX2+ Graphics Processor - Yamaha V9958]]
*[https://download.file-hunter.com/Manuals/R800%20User%20Manual.pdf ASCII R800 CPU User Manual(japanese)]
== Links ==