hi
could you tell me what mean (.Reg & ~0x10) in calculation ?
especialy the "~"
thx
Could you tell me what mean .Reg & ~0x10 in calculation
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Xbiotec
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Re: Could you tell me what mean .Reg & ~0x10 in calculation
. Reg is a local variable.
~ is a bit wise 'not' (0 bits go to 1 and 1 to 0)
So this is often used for clearing a bit or bits in a variable or register - & (And) returns a result where there is a 1bit only if it is 1 in both arguments.
Martin
~ is a bit wise 'not' (0 bits go to 1 and 1 to 0)
So this is often used for clearing a bit or bits in a variable or register - & (And) returns a result where there is a 1bit only if it is 1 in both arguments.
Martin