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Assembly language - Wikipedia, the free encyclopedia
Assembly languages are a family of low-level languages for programming computers, microprocessors, microcontrollers, and other (usually) integrated circuits. They implement a symbolic representation ...
en.wikipedia.org/wiki/Assembly_language |
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X86 assembly language - Wikipedia, the free encyclopedia
x86 assembly language is the family of backwards-compatible assembly languages for the x86 class of processors, which includes Intel's Pentium series and AMD's Athlon series. Like all assembly langua...
en.wikipedia.org/wiki/X86_assembly_language |
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This reference is intended to be precise opcode and instruction set reference (including x86-64). Its principal aim is exact definition of instruction parameters and attributes. ... Next three columns, mnemonic, op1 and op2 show instruction's syntax. The destination operand of this instruction is set up using bold, ... 00: 8086...
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The terms instruction and mnemonic are used interchangeably in this document to refer to the names of x86 instructions. ... Directives are commands that are part of the assembler syntax but are not related to the x86 processor instruction set. All assembler directives begin with a period (.) (ASCII 0x2E).
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When using the assembler, ... At the mnemonic level, the simulator instructions look very like 80x86 assembly code mnemonics. Sufficient instructions are implemented to permit realistic programming but the full instruction set has not been implemented. ... The 8086 DIV instruction calculates both DIV and MOD in the same instruction.
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Assembler Programs ... This article contains an explanation of the 8086 instruction set, including experiments you can do with DEBUG. You need nothing else but ... For example, the instruction that copies data from memory to register, register to memory, or register to register, has the opcode 1000 10dw, and the mnemonic MOV.
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This is the full 8086-8088 instruction set, but most, if not all of these instructions are available in 32-bit mode, they just operate on 32 bit registers (eax, ebx, etc) and values instead of their 16-bit (ax, bx, etc) counterparts.
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