3. This is the microprogram for POP instruction on Mic-2 machine. Write the appropriate microprogram for the instruction POP2 which pops 2 top elements of the stack. pop1 MAR SP SP -1; rd pop2 Wait for read pop3 TOS MDR; goto (MBR1) 3. This is the microprogram for POP instruction on Mic-2 machine. Write the appropriate microprogram for the instruction POP2 which pops 2 top elements of the stack. pop1 MAR SP SP -1; rd pop2 Wait for read pop3 TOS MDR; goto (MBR1)