We can operate on variables of integral types (mainly int) treating them as “buckets” of single bits. In what follows, remember that operations of shifting, ANDing, ORing etc., that we discuss, do not ...

If the instruction belongs to Category-3 which has the form “dest ← src1 op immediate_value”, the first three bits (leftmost three bits) are always “010”. Then 3 bits for opcode as indicated in Figure ...