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Hello, everyone.

I'm learning assembly and can't figure out whether the INC instruction affects the C bit in the condition code register. I understand that the INC instruction increments memory or accumulator by adding one to the number in the specified register, but does that include the C bit in the condition code register? I can't seem to find a clear explanation in my text book.

Thank you for any clarification.

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  • Latest Post Latest Post by Duoas
Member Avatar for Duoas

No. INC affects O, S, Z, A, and P only.

Hope this helps.

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