_bittestandreset64
Classification
Other, Bit Manipulation, CPUID Test: None
Header File
Instruction
BTR r64, r64
Synopsis
_bittestandreset64(__int64* a, __int64 b);
Description
Return the bit at index "b" of 64-bit integer "a", and set that bit to zero.
Operation
addr := a + b
dst[0] := MEM[addr]
MEM[addr] := 0