A.A CPU’s microinstruction format has five separate control fields. The number of micro operations in each field are as follows:
F1 = 4, F2 = 4, F3 = 3, F4 = 12, F5 = 21.
(a) What is the total length of the microinstruction needed to accommodate the five control fields? (b) If pure horizontal microprogramming is followed without encoding, what will be the length of microinstruction?
B.A processor has following hardware configuration:
(a) No. of registers = 8 (b) ALU operations: arithmetic 8, logic 8 (c) Shifter : 4 operations
(d) Bus: single bus
Design the microinstruction format for this CPU.