Hi: Someone contacted me and asked if I had ever seen an "application notes" document for the MOS 6545 CRT controller chip. I don't have it; all that I have is the data sheet. If anyone has this, please let me know. Thanks. Rich Rich Cini Collector of classic computers Build Master for the Altair32 Emulation Project Web site: http://highgate.comm.sfu.ca/~rcini/classiccmp/ /************************************************************/