[<<Previous Entry]
[^^Up^^]
[Next Entry>>]
[Menu]
[About The Guide]
BTC Bit Test Complement (386) Flags: O D I T S Z A P C
*
BTC destination, source
Logic: CF . bit, bit . NOT(bit)
The Bit Test instructions manipulate individual bits. The source
operand specifies the bit position in the destination operand. BTC
copies that bit to the carry flag, and complements it in destination.
--------------------------------------------------------------------------
Operands Clocks Transfers Bytes Example
BTC register, immediate8 6 (386) - 3 BTC AX,3
BTC memory, immediate8 8 (386) - 3 BTC MEMLOC,3
BTC register, register 6 (386) - 3 BTC AX,BX
BTC memory, register 13 (386) - 3 BTC MEMLOC,AX
--------------------------------------------------------------------------
Note: Both memory and register operands can be either
16 bits or 32 bits.
See Also:
BSF
BSR
BT
BTR
BTS
This page created by ng2html v1.05, the Norton guide to HTML conversion utility.
Written by Dave Pearson