Computer Organisation & Architecture

PROGRAM IN MATLAB FOR MULTIPLICATION OF TWO UNSIGNED INTEGER BINARY NUMBERS BY PARTIAL-PRODUCT METHOD (4BITS NUMBERS)


function lab2_coa
a=input('enter a:');
b=input('enter b:');
r=[0 0 0 0 0 0 0 0];
c=0;
for j=4:-1:1
    if(b(1,j)==0)
        continue;
    end
    for i=4:-1:1
    sum=xor(xor(r(1,i+j),a(1,i)),c);
    carry=or(and(r(1,i+j),a(1,i)),and(xor(r(1,i+j),a(1,i)),c));
    c=carry;
    r(1,i+j)=sum;
 
    end
 
end

disp(r);
disp(c);

end