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Copyright 1991 David Jurgens |
BTR - Bit Test with Reset (386+ only)
Usage: BTR dest,src
Modifies flags: CF
The destination bit indexed by the source value is copied into the
Carry Flag and then cleared in the destination.
Clocks Size
Operands 808x 286 386 486 Bytes
reg16,immed8 - - 6 6 4-8
mem16,immed8 - - 8 8 4-8
reg16,reg16 - - 6 6 3-7
mem16,reg16 - - 13 13 3-7
- see Instruction Timing
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| Esc or Alt-X to exit |
btr |
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