Assembly language sits directly above machine code, and this topic explains why it is still used. You will study the structure of an assembly instruction, the role of the assembler, and the difference between a one-pass and a two-pass assembler including the symbol table. Addressing modes are covered in full — immediate, direct, indirect, indexed and relative — along with how each locates its operand. You will trace short assembly programs and follow the effect on the registers.
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