opcode
nounEtymology From op + code (in sense of operation).
1
Computing, Engineering, Mathematics, Natural sciences, Physical sciences, Sciences A mnemonic used to refer to a microprocessor instruction in assembly language.
- When the microprocessor decodes the JSR opcode, it stores the operand into the TEMP register and pushes the current contents of the PC ($00 0128) onto the stack.1992, Michael A. Miller, The 68000 Microprocessor Family: Architecture, Programming, and Applications, page 47:
- In the tradition of other low-level languages, many CIL opcodes tend to be cryptic and completely unpronounceable by us mere humans.2010, Andrew Troelsen, Pro C# 2010 and the .NET 4 Platform, page 655: