Addressing modes: The term addressing modes refers to the way in which the operand of an instruction is specified. The addressing mode specifies a rule for interpreting or modifying the address field ...

This chapter focuses on two important characteristics of Instruction Set Architecture (ISA), which are instruction encoding and addressing modes. Instruction encoding depends on the architecture of ...

Four formats are used to generate the machine-language bit encodings for the Z280 MPU instructions. Three formats are used for instructions that are executed solely by the Z280 CPU. (These same three ...