List of x86 instructions
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The x86 instruction set refers to the set of instructions that x86-compatible microprocessors support. The instructions are usually part of an executable program, often stored as a computer file and executed on the processor.
The x86 instruction set has been extended several times, introducing wider registers and datatypes as well as new functionality.
x86 integer instructions
Below is the full 8086/8088 instruction set of Intel (81 instructions total). These instructions are also available in 32-bit mode, in which they operate on 32-bit registers (eax, ebx, etc.) and values instead of their 16-bit (ax, bx, etc.) counterparts. The updated instruction set is grouped according to architecture (i186, i286, i386, i486, i586/i686) and is referred to as (32-bit) x86 and (64-bit) x86-64 (also known as AMD64).
Original 8086/8088 instructions
This is the original instruction set. In the 'Notes' column, r means register, m means memory address and imm means immediate (i.e. a value).
Added in specific processors
Added with 80186/80188
New instructions and instruction forms added in the Intel 80186 and 80188.
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