How can I compare two bits if they are equal or not in 8051? I need to jump if two bits are equal. I have a value in a register and I am searching if this value is equal another constant value. Example: I have "EDh" value and I have another value in R0 register.

有帮助吗?

解决方案

To compare a register and an immediate (a constant), and then conditionally jump, you can use the CJNE instruction.

其他提示

It's been a long time since I worked with the 8051. But I seem to remember that the CJNE instruction was quite useful.

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