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Instruction Set of 8085 LXI Rp,16-bit data, Microprocessors, Electrical Engineering, GATE Video Lecture
FAQs on Instruction Set of 8085 LXI Rp,16-bit data, Microprocessors, Electrical Engineering, GATE Video Lecture
| 1. What is the purpose of the LXI instruction in the 8085 microprocessor? |  |
Ans. The LXI (Load Immediate) instruction is used in the 8085 microprocessor to load a 16-bit immediate value into a register pair. It allows the programmer to directly initialize a register pair with a specific value.
| 2. How is the LXI instruction different from other instructions in 8085? | |
Ans. The LXI instruction is unique in the sense that it allows the loading of a 16-bit immediate value into a register pair, whereas most other instructions in the 8085 operate on 8-bit data or work with the contents of a single register.
| 3. Can the LXI instruction be used to load a value into any register pair in the 8085? | |
Ans. No, the LXI instruction is specifically designed to load an immediate value into one of the register pairs in the 8085 microprocessor. It cannot be used to load values into individual registers or any other type of data transfer.
| 4. How is the 16-bit immediate value specified in the LXI instruction? | |
Ans. The 16-bit immediate value in the LXI instruction is specified by providing two 8-bit values, known as lower byte and higher byte, which are loaded into the specified register pair. The lower byte is provided first, followed by the higher byte.
| 5. Can the LXI instruction be used to load a value directly from memory into a register pair in the 8085? | |
Ans. No, the LXI instruction can only load immediate values into a register pair. If the value to be loaded is stored in memory, it must be first fetched from memory using other instructions and then loaded into the register pair using the LXI instruction.
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Dec 15, 2024 Last updated |
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