I compared the character map between the two drivers and they are the same for most of the major characters. (fonts, numbers and most of the common signs. Some do map differently. The timing seems to be the same. So if I call for a like character with LCDOUT everything should work. If it maps to a different character it can't be used and I must run in some ASM code with perhaps a PAUSEUS for timing to get the character I need. This probable can be done with some extra bit-banging. The Optrex LCD is appealing because of the white background and high contrast. I must ponder this more, don't need a full can of worms right now.JS