Solve : I`m trying to read write to LPT1 under XP but the system is ignoring my commands?

Solve : I`m trying to read write to LPT1 under XP but the system is ig

1.	Solve : I`m trying to read write to LPT1 under XP but the system is ignoring my commands?
Answer» and sending a error messge ILLEGAL memory access unable to continue. I have READ that the later software packages all fail under NT because they have a cutout that prevents access to ports. Is there a software library I can add to my C compiler library to allow me to access the port LPT1. I need a plugin one as an #INCLUDE < &GT; format because I am hardware man not a software person. HELP I`m tearing my HAIR out with a GNU C/C++ IDE which works fine in its own way. Tester Dave newbie to C/C++ here... but I'll try. http://sourceforge.net/projects/uniportio/