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0x3 Addressing ModesAddressing modes in processor architectures: immediate, direct, indirect, register, indexed, and base+offset — then instruction format: its fields and fixed (ARM) versus variable (x86) lengths.
0x2 Instruction Set ArchitectureAn introduction to the Instruction Set Architecture: machine instruction characteristics and their x86 formats and lengths, operand types, data types from Byte to QuadWord, and operation categories — arithmetic, logic, data transfer, and control flow.