thnks a lot sir for our reply..thanks a lot..i quite understand what you want to ask..actualy sir i won't need anything else to provide the inputs at ports of keil..my work is totaly software ..i just need to show the inputs ,targets and output on ports....your program code helps me a lot to understd the array input at ports..but my problem is ..i cn't be able to convert the line below as a input at ports..as it is a two dimensional array..

double Input[NUMPAT+1][NUMIN+1] = { 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1,0, 1, 1 };
double Target[NUMPAT+1][NUMOUT+1] = { 0, 0, 0, 0, 0, 1, 0, 1, 0, 0 };

2.) sir as you told me that i have decleared a lots of variables in the main function...i dn't kw what effect they would have on my keil code..bt the code i had posted earlier is compiling succesfully without showing any error on keil..