hey guys

I'm new in assembly programming and i need to calculate the determinant of an N*N matrix in 80X86 processor

i know the algorithm but i have a problem i don't know how can i sum these SIGNED numbers VAR1+VAR2 & VAR1-VAR2 which VAR1 and VAR2 are:

VAR1 DB 7 DUP(?)
VAR2 DB 4 DUP(?)

any guide would help

i need in ASAP

thanks in advance

Hello,try storing the figures you wish to add into registers then and the content of one register to the other and store the results in anyone of the registers or in another.