Difference between: Opcode, byte code, mnemonics, machine …
Jul 14, 2013 · As its name suggests, the opcode is a type of code that tells the machine what to do, i.e. what operation to perform. Opcode is a type of machine language instruction.
assembly - Intel x86 Opcode Reference? - Stack Overflow
Jun 19, 2011 · What is a relatively quick and easy method of looking up what an arbitrary opcode means (say, 0xC8) in x86? The Intel Software Developer's manual isn't very fun to search …
How to read the Intel Opcode notation - Stack Overflow
Feb 22, 2013 · 3.1.1.1 Opcode Column in the Instruction Summary Table (Instructions without VEX Prefix) The “Opcode” column in the table above shows the object code produced for each …
Opcode vs Operand in x86 assembly source code - Stack Overflow
Nov 24, 2022 · The opcode is the machine code representation of the instruction. Opcode can include the entire instruction's machine code or only the byte or bytes that select the …
Windows 7 task scheduler keeps returning operational code 2
The question and the top answer are confusing the notion of a "return code", which shows up in Task Scheduler as the "Last Run Result" with the "OpCode"/"Operational Code" that shows up …
JMP to absolute address (op codes) - Stack Overflow
There's an opcode EA for a jump to an absolute far address, and opcodes for jumps to an indirect address (where the operand specifies the memory location wich contains the address to be …
How to tell the length of an x86 instruction? - Stack Overflow
Terminology: "opcode" is the part of the instruction that selects the operation, not including operands, or non-mandatory prefixes that modify the operation (e.g. operand-size). Using …
How to interpret the opcode manually? - Stack Overflow
May 16, 2011 · How to interpret the opcode manually? Asked 14 years, 6 months ago Modified 12 years ago Viewed 13k times
linux - How to get opcodes of a c program - Stack Overflow
Mar 24, 2012 · I know how to get the assembly code of my program using gdb but how do I get the opcode? I need it to hack a linux server (don't worry it's part of a class I'm having so no …
What is the difference between machine code and opcode?
The question is mostly related to PHP because IMHO opcode is mostly mentioned in PHP context. In fact Java is more popular for its byte-/opcode 1) Is opcode just a portion of machine …