12. For each instruction in this question, assume that register contains the given contents before the instruction is executed. All values are Hex, Contents of the register (Before) al-coh Contents of the register (After) Instruction ZF CF OF SF | add al, 40h ;assume values are unsigned Int | add bh, 9Ah ;assume values are signed Int | add cl, 52h ;assume values are signed Int | add bh, 01h ;assume values are bh=66h cl=40h bh= the value from unsigned Int the last operation