Pretend that XOR instruction can't be used, write a simple x86 assembly program that set up some instructions to replace XOR of two bits (use ANR, OR, NOT, or CMP).
Use AL to hold 1 bit (0 or 1) and BL to hold the other bit (0 or 1), and assign result to CL (CL = AL XOR BL so CL is either 0 or 1).