1
vote
2answers
160 views

What is the meaning of “Register.Rd”?

Reading Hennesy's book "Computer Organization and Design" it is mentioned "Register.Rd" and "Register.Rs" but what does it mean? The .Rd, .Rt and .Rs parts I can't understand, on page 365:
1
vote
3answers
244 views

what happens when the carry bit is zero in addition/subtraction algo for hardware

This is the algorithm in flow diagram for addition and subtraction in computers. A(s) is the sign bit of A B(s) is the sign bit of B //(s) denotes the subscript E is the register that has a ...