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3. Calculate the next value of the Program Counter (PC) for the following instruction: | Addr...
A C program has been compiled into the Atmel AVR assembly language. The following instruction, which...
A C program has been compiled into the Atmel AVR assembly
language. The following instruction, which is located at address
0x002A, is executed:
i.) What is the binary value contained in the instruction
register (IR) when the instruction is executed?
ii.) What is the hexadecimal value of the program counter (PC)
when the instruction is executed?
iii.) If register r1 = 0x40 and register r2 = 0x02 prior to
executing the instruction, what are the contents of r1 and r2...
An instruction cycle normally includes instruction fetch, decode, operand fetch from memory, execution, update program counter...
An instruction cycle normally includes instruction fetch, decode, operand fetch from memory, execution, update program counter with the next instruction in sequence or the branch target address. Which of these steps may not be present in some of the instructions?
For the following code show the Top of Stack content and the PC (Program counter) value...
For the following code show the Top of Stack content and the PC
(Program counter) value before and after the execution of CALL and
RETURN.
Step by step solution greatly appreciated since I will need to
know how to do this for an exam. Thanks in
advanced!
Address(Hex Instruction State of stack before code on left executes NOP CALL MOVLW OxAA 0x010 JustDolt 4 0x00120 0x00080 0x00062 Stack Pointer 0x100 JustDolt CLRF PORTA NOP NOP INCF RETURN 0 PORTA Before...
Assume that the program counter (PC) contains the value Ox 20000000 What is it the largest...
Assume that the program counter (PC) contains the value Ox 20000000 What is it the largest address that can be reached via the jump and link (jal) instruction? a) OX200F FFFE b) Ox2001 FFFF c) Ox2000 01FF d) None of the above
all info in picture 3. Let's say that Marie added a new command: inc X that adds 1 to the value stored at memory location X. a. Is there an opcode available for this instruction? If so, what o...
all info in picture
3. Let's say that Marie added a new command: inc X that adds 1 to the value stored at memory location X. a. Is there an opcode available for this instruction? If so, what opcode would you use? b. Show the RTN for the inc command. Bus 0 Main Memory MAR 2 PC MBR ALU AC InREG 6 OutREG 16-bit bus 4. Write a MARIE program that computes and outputs the absolute value of an input...
(a) (10 points) The hexadecimal form of a 3-byte instruction for SIC/XE is 010030. The opcode...
(a) (10 points) The hexadecimal form of a 3-byte instruction for SIC/XE is 010030. The opcode in the instruction is LDA. Indicate the contents of the A register in decimal after the above instruction is executed. Be sure to indicate how you arrived at your answer. (b) (10 points) Consider the following instruction for SIC/XE: JEQ NEXT The LOC-value for the above instruction is 200 (decimal) and the LOC-value for the symbol NEXT is 193 (decimal). Assuming that the instruction...
Solve the following problems clearly - assembly - computer organization and architecture- william stallings 1) 2)...
Solve the following problems clearly - assembly - computer
organization and architecture- william stallings
1)
2)
Let the address stored in the program counter be designated by the symbol X1. The instruction stored in X1 has an address part (operand reference) X2. The operand needed to execute the instruction is stored in the memory word with address X3. An index register contains the value X4. What is the relationship between these various quantities if the addressing mode of the instruction...
A microprocessor has a decrement memory direct instruction, which subtracts 1 from the value in a...
A microprocessor has a decrement memory direct instruction, which subtracts 1 from the value in a memory location. The instruction has five stages: fetch opcode (two bus clock cycles), fetch operand address (five cycles), fetch operand (five cycles), subtract 1 from operand (four cycles), and store operand (two cycles). a. By what amount (in percent) will the duration of the instruction increase if we have to insert one bus wait state in each memory read and memory write operation? b....
9. How are Program Counter (PC), BL, BR and LR related in Procedure? Explain. 10. Assume...
9. How are Program Counter (PC), BL, BR and LR related in Procedure? Explain. 10. Assume that register X9 had its all bits initially 0, then the following instructions are executed: NOVK X9, 255, LSLO MOVZ X9, 255, LSL 32 ADDI, X9,X9, #255 What would be the contents of X9 after execution of the above instruction? Present the result of X9 in Hexadecimal format.
Assume the program counter (PC) is initially equal to n. Assume that the word length of...
Assume the program counter (PC) is initially equal to n. Assume that the word length of the processor is 1. a) How many fetches are required to make PC equal to m if there are no branch instructions between n and m? b) What is the content of the instruction register (IR) when the PC’s value is n+k? Justify your answer. Why we are not using a hundred pipeline stages if anoperation can be divided up into a hundred steps,...
A C program has been compiled into the Atmel AVR assembly
language. The following instruction, which is located at address
0x002A, is executed:
i.) What is the binary value contained in the instruction
register (IR) when the instruction is executed?
ii.) What is the hexadecimal value of the program counter (PC)
when the instruction is executed?
iii.) If register r1 = 0x40 and register r2 = 0x02 prior to
executing the instruction, what are the contents of r1 and r2...
For the following code show the Top of Stack content and the PC
(Program counter) value before and after the execution of CALL and
RETURN.
Step by step solution greatly appreciated since I will need to
know how to do this for an exam. Thanks in
advanced!
Address(Hex Instruction State of stack before code on left executes NOP CALL MOVLW OxAA 0x010 JustDolt 4 0x00120 0x00080 0x00062 Stack Pointer 0x100 JustDolt CLRF PORTA NOP NOP INCF RETURN 0 PORTA Before...
all info in picture
3. Let's say that Marie added a new command: inc X that adds 1 to the value stored at memory location X. a. Is there an opcode available for this instruction? If so, what opcode would you use? b. Show the RTN for the inc command. Bus 0 Main Memory MAR 2 PC MBR ALU AC InREG 6 OutREG 16-bit bus 4. Write a MARIE program that computes and outputs the absolute value of an input...
(a) (10 points) The hexadecimal form of a 3-byte instruction for SIC/XE is 010030. The opcode in the instruction is LDA. Indicate the contents of the A register in decimal after the above instruction is executed. Be sure to indicate how you arrived at your answer. (b) (10 points) Consider the following instruction for SIC/XE: JEQ NEXT The LOC-value for the above instruction is 200 (decimal) and the LOC-value for the symbol NEXT is 193 (decimal). Assuming that the instruction...
Solve the following problems clearly - assembly - computer
organization and architecture- william stallings
1)
2)
Let the address stored in the program counter be designated by the symbol X1. The instruction stored in X1 has an address part (operand reference) X2. The operand needed to execute the instruction is stored in the memory word with address X3. An index register contains the value X4. What is the relationship between these various quantities if the addressing mode of the instruction...
9. How are Program Counter (PC), BL, BR and LR related in Procedure? Explain. 10. Assume that register X9 had its all bits initially 0, then the following instructions are executed: NOVK X9, 255, LSLO MOVZ X9, 255, LSL 32 ADDI, X9,X9, #255 What would be the contents of X9 after execution of the above instruction? Present the result of X9 in Hexadecimal format.
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