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  1. markus3

    Parallel Port Programming under Windows NT

    Can anybody tell me how parallel port programming with MS Visual C++ 6.0 functions under Windows NT? I can`t use the commands _outp(), _inp(). Which are the commands under NT to "talk" to the LPT1-Port???
  2. markus3

    Parallel Port Programming (in C++)

    Thank you! The Select In Pin is a very good idea ;-) Normally, it is off (read-mode) isn`t it? Meanwhile I solved the problem by using the status register, especially Pin 15 (Error-Pin). That functions, too.
  3. markus3

    Parallel Port Programming (in C++)

    Hallo! I've got a problem with parallel port programming. I have to write to the LPT1 and then I must read from it. Writing is no problem, but I can`t read :-( If I write for example int 64 to the port and manipulate the pins by forcing the active high of a pin to ground and read in the new...

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