BT - Bit Test (386+) Usage: BT dest,src Modifies flags: CF The destination bit indexed by the source value is copied into the Carry Flag. Clocks Size Operands 808x 286 386 486 Bytes reg16,immed8 - - 3 3 4-8 mem16,immed8 - - 6 6 4-8 reg16,reg16 - - 3 3 3-7 mem16,reg16 - - 12 12 3-7
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