Radboud Verberne wrote: > you need to use CAPITAL letters for PORTx. Only certain assemblers require this. On some assemblers, you can enable case folding which will permit lowercase letters. -- James Cameron (cameron@stl.dec.com) OpenVMS, Linux, Firewalls, Software Engineering, CGI, HTTP, X, C, FORTH, COBOL, BASIC, DCL, csh, bash, ksh, sh, Electronics, Microcontrollers, Disability Engineering, Netrek, Bicycles, Pedant, Farming, Home Control, Remote Area Power, Greek Scholar, Tenor Vocalist, Church Sound, Husband. "Specialisation is for insects." -- Robert Heinlein.