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Why the status flags in AVR are on after one's-complementing a zeroed register?
I have a code in assembly and I have to find out why the status flags are on
One of the codes is
LDI R16, 0
COM R16
the result was 0xFF
But I don’t understand why the S and C flags were on.
m A
Votes: 0
Answers: 1
Why complement of 0 is -1?
I was learning about bitwise operators and I learnt that complement of 0 is 1 and 1 is 0. But when I tried using ~0 on IDLE, it printed -1 and when i typed ~1 it gave -2..
Satyam Shankar
Votes: 0
Answers: 1