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Article | REF: H1199 V1

CPU Instruction sets

Author: Daniel ETIEMBLE

Publication date: February 10, 2016

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3. Data access

The operands of an instruction can be in a register or in a memory cell.

3.1 Registers

An instruction set defines the number and type of general-purpose registers that can hold data. These registers are in addition to the registers used for instruction execution, such as the instruction pointer (CP), instruction register (RI) and other registers (see [H 1 000] ). If an instruction set is to be independent of the hardware architecture, as indicated in paragraph...

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