hello

guys, i want some help here..
iam working on 8031 and i need to write a code to convert a hex number to decimal...
could someone help me out with this...

the problem is i take the input through an 8279 and convert that into a decimal, now if i want to do a decimal multiplication than what should i do..
when i give the mul instn than hexadecimal multiplication is performed...
the problem exists for div too...
after mul or div i want to display the number in decimal on my 20*4 LCD..
can anyone help me out with this...
thank you in advance...
if someone can suggest an algorithm or if someone can mail me the code than i would be greateful

thank you
ashok