CompuServe Messages

#CreatePort() in ASM

    25-Jan-87 17:30:16
Fm: Mike Berro 73267,3361
To: John Draper 76703,4322
Larry, I'm trying to read data from the serial port using assembly. I've translated the C code in "Opening the Serial Device", and am using DoIO() to grab four characters. DoIO returns an error of -3. Can you tell me what that error means? Thanx! —Mike