if this is too much to ask, just........please show me how to read/write to the non volatile part of the pic 16f628a memory.

how to rear a button from a port

how to output a high/low to a port

how to use the timer

all of this to the pic16f628a

please, please.

thanks in advance for any an all your help, and for taking time of your busy schedule to read my questions and requests