|
| |
Bit Test with Reset
|
86/88 |
N |
186 |
N |
286 |
N |
386 |
Y |
486 |
Y |
BTR destination, source |
|
Ovfl |
N |
Dir |
N |
Int |
N |
Trap |
N |
Sign |
N |
Zero |
N |
Aux |
N |
Prty |
N |
Carry |
Y |
The destination bit indexed by the source value is copied into the
Carry Flag and then cleared in the destination.
------------------------------------ Timing ----------------------------------
OpCode Instruction 386 286 86
0F B3 BTR r/m16, r16 6/13
0F B3 BTR r/m32, r32 6/13
0F BA/6 ib BTR r/m16, imm8 6/8
0F BA/6 ib BTR r/m32, imm8 6/8
------------------------------------ Logic -----------------------------------
CF = bit (source) of destination
bit (source) of destination = 0
See Also BSF BSR BT BTC BTS SETxx Flags |