Difference between revisions of "Assembler:Commands:INC"

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that does updates the '''CF''' flag.)
that does updates the '''CF''' flag.)
[http://c9x.me/x86/html/file_module_x86_id_140.html c9x.me/x86/html/file_module_x86_id_140.html]

Latest revision as of 10:46, 3 January 2018

command inc operand

Increases the operand by one.

The CF flag is not affected. The OF, SF, ZF, AF, and PF flags are set according to the result.

operand = operand + 1

Adds 1 to the operand, while preserving the state of the CF flag. The operand can be a register or a memory location. This instruction allows a loop counter to be updated without disturbing the CF flag. (Use a ADD instruction with an immediate operand of 1 to perform an increment operation that does updates the CF flag.)


Command Parameters[edit]

Parameter Description
operand The destination operand


inc al
inc ax
inc eax
inc rax
inc [00123ABC]
inc [rax]
inc [SomeSymbol]

See also[edit]

External links[edit]