MICROPROCESSOR AND MICROCONTROLLER

Detailed explanation-1: -In direct addressing mode, the operand is in memory, and the instruction specifies the memory location directly. The instruction uses the memory address as the operand, for example, MOV AX, [1234H]. In immediate addressing mode, the operand is a part of the instruction itself.

Detailed explanation-2: -Direct Addressing; Direct addressing with a MOV instruction transfers data between a memory location, located within the data segment, and the AL (8-bit), AX (16-bit), or EAX (32-bit) register. A MOV instruction using this type of addressing is usually a 3-byte long instruction.

Detailed explanation-3: -Immediate addressing mode: In this type of addressing, immediate data is a part of instruction, and appears in the form of successive byte or bytes. Example: MOV AX, 0005H.

Detailed explanation-4: -mov [1234h], AX. It moves the contents of register AX to the memory offset 1234H. Note: 8086 P supports the following types of Instructions: Data copy/transfer instructions: These types of instructions are used to transfer data from source operand to destination operand.