> The commodore disk drives could be programmed as well People did some very useful hacking for the 1541, most notably greatly improving the transfer rate, because the I/O routines in the C64 were written for the achingly, hair-pullingly slow Datasette. Joe --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .