Assume that immediate operands occupy bits IR216 of the instruction. The immediate value is sign-extended to 32 bits in arithmetic instructions, such as Add, and padded with zeros in logic instructions, such as Or. Design a suitable implementation for the Immediate block in Figure 5.9.

Register file (via RA) (via RY) Control circuitry Instruction address generator PC Immediate Register RZ IR MuxMA MuxB (Immediate value extended to 32 bits) Memory data Memory address Figure 5.9 Instruction fetch section of Figure 5.7