This is an HTML-ized version of the opcode map for the 8086 processor. It is based on the opcode map from Appendix A of Volume 2 of the Intel Architecture Software Developer's Manual. A plain-text version - easily parsable by software - is also available.

There are four types of prefix instructions: Repetition. Segment override. Lock F0H Details on Fields Opcode Byte. Operand and Address size override prefixes are used to specify 32-registers in 16-bit code and 16-bit registers in 32-bit code.

Here is a list of instructions and opcodes used by Intel, AMD, Cyrix and Nexgen. Gdb was used get all the info out of the processors. This page was made by Asbjørn Leth Vonsild ([email protected]) and Jesper Pedersen ([email protected]). Please send any comments, questions directly to the original authors. Last updated : 03.10.1996 at 11:30:00

8086 opcodes complete table - Free download as PDF File (.pdf) or read online for free. Opcode sheet.

This document contains a detailed reference table describing the addressing modes, registers, operands, and opcodes used in the x86 instruction set architecture.

This document provides an overview of the instruction set and opcodes for the 8086 microprocessor. It lists the opcode and operands for over 50 common instructions such as ADD, CALL, CMP, DEC, IMUL, JMP, MOV, POP, PUSH, and RET.

Aug 16, 2022 · This is an HTML-ized version of the opcode map for the 8086 processor. It is based on the opcode map from Appendix A of Volume 2 of the Intel Architecture Software Developer's Manual. A plain-text version - easily parsable by software - is also available.

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Complete 8086 instruction set Quick reference: AAA AAD AAM AAS ADC ADD AND CALL CBW CLC CLD CLI CMC CMP CMPSB CMPSW

The opcode field specifies the operation performed (mov, xchg, etc). Usually (but not always) 6 bits. What if we have a 16-bit operand in 32-bit code?