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Instruction ○꠹｜Definition｜1st｜20260110205401-00-⌔
Instruction set architecture - Wikipedia#Instructions
Instructions
Machine language is built up from discrete statements or instructions. On the processing architecture, a given instruction may specify:
- opcode (the instruction to be performed) e.g. add, copy, test
- any explicit operands:
- ✤ registers
- ✤ literal/constant values
- ✤ addressing modes used to access memory
More complex operations are built up by combining these simple instructions, which are executed sequentially, or as otherwise directed by control flow instructions.
Printed 2026-06-28.
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