Difference between revisions of "Assembler:Commands:NOT"

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The NOT instruction implements the bitwise NOT operation. NOT operation reverses the bits in an operand. The operand could be either in a register or in the memory.
 
The NOT instruction implements the bitwise NOT operation. NOT operation reverses the bits in an operand. The operand could be either in a register or in the memory.
 
  operand = !operand
 
  operand = !operand
 +
operand = ~operand
 
Example:
 
Example:
 
  |              operand:    0101 0011 |
 
  |              operand:    0101 0011 |
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Performs a bitwise NOT operation (each 1 is set to 0, and each 0 is set to 1) on the destination operand and stores the result in the destination operand location. The destination operand can be a register or a memory location.
 
Performs a bitwise NOT operation (each 1 is set to 0, and each 0 is set to 1) on the destination operand and stores the result in the destination operand location. The destination operand can be a register or a memory location.
  
 +
[http://c9x.me/x86/html/file_module_x86_id_218.html c9x.me/x86/html/file_module_x86_id_218.html]
 
</div>
 
</div>
  
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== Examples ==
 
== Examples ==
  not al,1
+
  not al
  
  not ax,1
+
  not ax
  
  not ax,1
+
  not ax
  
  not eax,1
+
  not eax
  
  not rax,1
+
  not rax
  
  not al,al
+
  not al
  
  not ax,ax
+
  not ax
  
  not ax,ax
+
  not ax
  
  not eax,eax
+
  not eax
  
  not rax,rax
+
  not rax
  
  not [eax],eax
+
  not [eax]
  
  not [rax],rax
+
  not [rax]
  
  not [00123ABC],eax
+
  not [00123ABC]
  
  not [SomeSymbol],rax
+
  not [SomeSymbol]
  
 
{{AssemblerCommandSeeAlso}}
 
{{AssemblerCommandSeeAlso}}
  
 
{{Template:AssemblerCommandExternalLinks}}
 
{{Template:AssemblerCommandExternalLinks}}

Latest revision as of 22:31, 17 January 2018

command not operand

The NOT instruction implements the bitwise NOT operation. NOT operation reverses the bits in an operand. The operand could be either in a register or in the memory.

operand = !operand
operand = ~operand

Example:

|              operand:    0101 0011 |
|------------------------------------|
| After NOT -> operand:    1010 1100 |


Performs a bitwise NOT operation (each 1 is set to 0, and each 0 is set to 1) on the destination operand and stores the result in the destination operand location. The destination operand can be a register or a memory location.

c9x.me/x86/html/file_module_x86_id_218.html


Command Parameters[edit]

Parameter Description
operand The operand to perform a bitwise operation on


Examples[edit]

not al
not ax
not ax
not eax
not rax
not al
not ax
not ax
not eax
not rax
not [eax]
not [rax]
not [00123ABC]
not [SomeSymbol]

See also[edit]

External links[edit]