Repeat Problem 10-22 for the following CISC instructions.

Problem 10-22 

Repeat Problem 10-21 for the following CISC instructions that are specified by register transfer statements.

Problem 10-21

Write microcode for the execution part of each of the following CISC instructions. Give both a register transfer description and binary or hexadecimal representations similar to those shown in Table 10-6 for the binary code for each microinstruction.

Table 10-6

(a) Branch if overflow

(b) Branch if greater than zero

(c) Compare less than

(a) Add Memory Indirect: R[DR] (b) Add to Memory: M[R[DR]] M[R[SA]] + R[SB] R[SA] + M[M[R[SB]]]