how to toggle a specific pin of any port (BIT OPERATION)in keil using C for 89c51/89c52. please specify the header files to be included and the instruction and if possible the program.
http://www.keil.com/support/man/docs/c51/c51_le_sfrs.htm
http://www.keil.com/support/man/docs/c51/c51_le_sbit.htm
http://www.keil.com/support/man/docs/c51/c51_le_bitaddrobj.htm
http://www.keil.com/support/man/docs/uv3/uv3_examples.htm
http://www.keil.com/download/list/c51.htm
this question, dear sir, indicates one thing only:
you could not be bothered with reading the documentation, let alone working through the "GETTING STARTED GUIDE"
I suggest you do that and then, if you have a question that is not this basic, do come back.
Erik