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. Answer the following questions for the machine language instructions 6AF82C and D623D (a) What is the opcode in binary? (b) What does the instruction do? (c) What is the register- field in binary? (d) Which register does it specify? (e) What is the addressing-aaa field in binary? (f) Which addressing mode does it specify? (g) What is the operand specifier in hexadecimal? . Answer the questions in Exercise 3 for the machine language instructions 7B00AC and

. Answer the following questions for the machine language instructions 6AF82C and D623D (a) What is the opcode in binary? (b) What does the instruction do? (c) What is the register- field in binary? (d) Which register does it specify? (e) What is the addressing-aaa field in binary? (f) Which addressing mode does it specify? (g) What is the operand specifier in hexadecimal? . Answer the questions in Exercise 3 for the machine language instructions 7B00AC and

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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### Instruction Analysis #### For instruction 6AF82C: 1. **Opcode Detail**: - (a) Opcode = 0110 2. **Operation**: - (b) It adds to register `r` 3. **Register Information**: - (c) Register `r = 1` 4. **Index Register**: - (d) The index register is `X` 5. **Addressing Mode**: - (e) `aaa = 010` - (f) Indirect addressing mode 6. **Operand Specification**: - (g) OprndSpec = F82C #### For instruction D623D0: 1. **Opcode Detail**: - (a) Opcode = 1101 2. **Operation**: - (b) It loads a byte from memory to register `r` 3. **Register Information**: - (c) Register `r = 0` 4. **Accumulator**: - (d) The accumulator is `A` 5. **Addressing Mode**: - (e) `aaa = 110` - (f) Stack-indexed addressing mode 6. **Operand Specification**: - (g) OprndSpec = 23D0 These instructions illustrate the process of interpreting machine language by representing operations on specific registers using particular addressing modes.
Transcribed Image Text:### Instruction Analysis #### For instruction 6AF82C: 1. **Opcode Detail**: - (a) Opcode = 0110 2. **Operation**: - (b) It adds to register `r` 3. **Register Information**: - (c) Register `r = 1` 4. **Index Register**: - (d) The index register is `X` 5. **Addressing Mode**: - (e) `aaa = 010` - (f) Indirect addressing mode 6. **Operand Specification**: - (g) OprndSpec = F82C #### For instruction D623D0: 1. **Opcode Detail**: - (a) Opcode = 1101 2. **Operation**: - (b) It loads a byte from memory to register `r` 3. **Register Information**: - (c) Register `r = 0` 4. **Accumulator**: - (d) The accumulator is `A` 5. **Addressing Mode**: - (e) `aaa = 110` - (f) Stack-indexed addressing mode 6. **Operand Specification**: - (g) OprndSpec = 23D0 These instructions illustrate the process of interpreting machine language by representing operations on specific registers using particular addressing modes.
**3.** Answer the following questions for the machine language instructions 6AF82C and D623D0. (a) What is the opcode in binary? (b) What does the instruction do? (c) What is the register-r field in binary? (d) Which register does it specify? (e) What is the addressing-aaa field in binary? (f) Which addressing mode does it specify? (g) What is the operand specifier in hexadecimal? **4.** Answer the questions in Exercise 3 for the machine language instructions 7B00AC and F70BD3.
Transcribed Image Text:**3.** Answer the following questions for the machine language instructions 6AF82C and D623D0. (a) What is the opcode in binary? (b) What does the instruction do? (c) What is the register-r field in binary? (d) Which register does it specify? (e) What is the addressing-aaa field in binary? (f) Which addressing mode does it specify? (g) What is the operand specifier in hexadecimal? **4.** Answer the questions in Exercise 3 for the machine language instructions 7B00AC and F70BD3.
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