What does xor do in assembly

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XOR is a powerful instruction in assembly language programming that allows for a variety of operations. It stands for “exclusive or,” and it’s used to compare two values and return a result based on the comparison. XOR can be used to compare numbers, strings, and even memory addresses. In assembly language programming, XOR can be used to compare registers, memory locations, and constants.

When two values are compared with XOR, the result will either be true or false. If both values are the same, the result will be false. If the values are different, the result will be true. This can be used to compare two numbers, strings, or memory addresses. For example, if two numbers are compared with XOR, the result will be true if the numbers are different and false if the numbers are the same.

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XOR can also be used to set or clear bits. This is done by using the XOR instruction with a constant. For example, if a register contains the value 0xFF and you use the XOR instruction with the constant 0x01, the result will be 0xFE. This is because the 0x01 will be XORed with each bit in the register, setting the first bit to 0 and leaving the other bits unchanged.

XOR is also used to perform bitwise operations. Bitwise operations are used to manipulate individual bits within a byte. For example, if you want to set the fourth bit in a register, you can use the XOR instruction with the constant 0x08. This will XOR the fourth bit with the 0x08, setting it to 1 and leaving the other bits unchanged.

XOR is a powerful instruction in assembly language programming that can be used for a variety of operations. It can be used to compare two values, set or clear bits, and perform bitwise operations. With XOR, you can manipulate data in a variety of ways, allowing you to create powerful programs.

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