You can find the text of the Commodore 64 Programmer's Refernece Guide as well as other Commodore 64 related books at Project 64: http://ourworld.compuserve.com/homepages/pcgeek/proj64.htm Also you can get BASIC and Machine Language tutorial programs that run on the 64 at: http://207.26.226.221/pub/cbm/ and http://www.funet.fi/pub/cbm/ -- -+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+- Larry Anderson - Sysop of Silicon Realms BBS (300-2400bd) (209) 754-1363 Visit my Commodore 8-Bit web page at: http://www.goldrush.com/~foxnhare/commodore.html -+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-