Chapter 11 Flashcards
1
Q
How many bits are required for word
A
32 bits or 16 bits
2
Q
does shift left has to be done on every step
A
Yes
3
Q
What is the purpose of extended shift
A
With extended shift we can carry registers with 16 bits values to carry value more than its capacity.
4
Q
What is add with carry (extended addition)
A
Add with carry has 3 operators. The 3rd operator is for carry, CF (cary flag holds it) and called implied operand. The first 2 operators do the same job as in normal addition. its command is adc.
5
Q
What is borrow subtraction (extended subtraction)
A
The same nature as add with carry
