Homework Answers
1)
a) 00000001b
b) 00011100b
c) 01111101b
d) 10110011b
2)
a) AL = 52H
b) 50H
c) F7H
d ) 35H
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In the following instruction sequence, show the changed values of AL...
In the following instruction sequence, show the values of the Carry, Zero, and Sign flags where...
In the following instruction sequence, show the values of the Carry, Zero, and Sign flags where indicated: mov al, 00001111b test al, 00000010b mov al, 00000110b cmp al, 00000101b (Hint: type in your answer as CF = ZF = SF = ___)
Moving to another question will save is response. Question 4 Assume that before the instruction is...
Moving to another question will save is response. Question 4 Assume that before the instruction is executed, the flags are CF=1, ZF=1 and SF=1 and the Registers have the values AL=OXAF, BL=0x75 CL=0x48 and DL=OXEA. What are the values of the flags after the instruction ADD AL, OxF4 executes? CF = ZF = SF = A Moving to another question will save this response.
IF statement is translated into assembly language with a o CMP instruction followed by Conditiona...
IF statement is translated into assembly language with a o CMP instruction followed by Conditional jumps. If op1 or op2 is a memory operand o IF Statemert (a variable): o one of them must be moved Problem 3: Implement the following pseudocode in assembly language. to a register before executing CMP. All values are unsigned: стр ьї, ci ja next mov al,5 mov dl,6 al-50 dl-23 next: Add to the above code the mov instructions and assign values to bl,...
1) Assume the registers are initialized to the indicated values: Se al A c and code...
1) Assume the registers are initialized to the indicated
values:
Se al A c and code frogments MUST use 32 ぁ ar movennes (anor be "nedfra-ne ibrary function or procedural calls ino- Pe Peue c for ll codr ond code frogments only othu ey document your code with Comments unless the code size is Drow Fow Chort for any flow of control involving branches and loops Use PoCedures as modules to organize most of the code and code fragments. In...
4. Assemble the following instruction sequence into the memory starting at address CS: 100 and th...
please provide screenshots using dos debug.
4. Assemble the following instruction sequence into the memory starting at address CS: 100 and then verify their machine code in the memory. a. ADD AX, 00FFH b. ADC SI, AX c. INC BYTE PTR [0100H] d. SUB DL, BL e. SBB DL, [0200H] f. DEC BYTE PTR [DI+BX] g. NEG BYTE PTR [DIJ+0010H h. MUL DX i. IMUL WORD PTR [BX+SI] j. DIV WORD PTR [SI]+0030H k. IDIV WORD PTR [BX]ISI]+0030HS. How many...
Need help on Assembly language 1.Solve the following conditions: A. Suppose AL contains 11001011 and CF...
Need help on Assembly language 1.Solve the following conditions: A. Suppose AL contains 11001011 and CF = 1. Give the new contents of AL after each of the following instructions is executed. Assume the above initial conditions for each part of this question. a. SHL AL,1 b. SHR AL,1 c. ROL AL,2 d. ROR AL,3 e. SAR AL,2 f. RCL AL,1 g. RCR AL,3 B. Suppose EAX contain ABCDH. Show the contents of BX and CX after...
1. Registry conditions: A. Show how the decimal integer * -120 would be stored...
1. Registry conditions: A. Show how the decimal integer * -120 would be stored in 16 bits * -120 would be stored in 8 bits * -32456 would be stored in 32 bits * -32456 would be stored in 16 bits B. For each of the following decimal numbers, tell whether it could be stored (1) as a 16-bit number (2) as an 8-bit number. * 32768 * -40000 *...
5) Write TOY AL subprogram that implements the following subprogram interface: Label: SumEven On entry: Register $1...
5) Write TOY AL subprogram that implements the following subprogram interface: Label: SumEven On entry: Register $1 is the return address of the caller. Register $A is the address in memory of an array A. Register $s is the size of the array A. On exit: Register $F is the sum of the entries of A that are even (divisible by 2) No values in memory have changed. Any of the registers may have changed value. Hint: The TOY assembly...
Modify the circuit to support a MFCC instruction. MFCC Rd instruction: Move From Condition Codes MFCC copies into the fo...
Modify the circuit to support a MFCC
instruction.
MFCC Rd instruction: Move From Condition Codes
MFCC copies into the four rightmost bits of Rd the values of the
ALU signals Carry (C), Overflow (O), Zero (Z) and Negative (N) as
they were set by the previous R- type instruction. The remaining 28
bits of Rd are set to zero.
Describe the changes and additions needed for the
single-cycle MIPS processor datapath and control to support this
instruction.
Hints:
1) MFCC...
1. Given the following instruction sequence for the MIPS processor with the standard 5 stage pipeline $10, S0. 4 addi lw S2.0(S10) add sw S2,4(510) $2, $2, $2 Show the data dependences between th...
1. Given the following instruction sequence for the MIPS processor with the standard 5 stage pipeline $10, S0. 4 addi lw S2.0(S10) add sw S2,4(510) $2, $2, $2 Show the data dependences between the instructions above by drawing arrows between dependent instructions (only show true/data dependencies). a. Assuming forwarding support, in what cycle would the store instruction write back to memory? Show the cycle by cycle execution of the instructions as they execute in the pipeline. Also, show any stalls...
In the following instruction sequence, show the values of the Carry, Zero, and Sign flags where indicated: mov al, 00001111b test al, 00000010b mov al, 00000110b cmp al, 00000101b (Hint: type in your answer as CF = ZF = SF = ___)
Moving to another question will save is response. Question 4 Assume that before the instruction is executed, the flags are CF=1, ZF=1 and SF=1 and the Registers have the values AL=OXAF, BL=0x75 CL=0x48 and DL=OXEA. What are the values of the flags after the instruction ADD AL, OxF4 executes? CF = ZF = SF = A Moving to another question will save this response.
IF statement is translated into assembly language with a o CMP instruction followed by Conditional jumps. If op1 or op2 is a memory operand o IF Statemert (a variable): o one of them must be moved Problem 3: Implement the following pseudocode in assembly language. to a register before executing CMP. All values are unsigned: стр ьї, ci ja next mov al,5 mov dl,6 al-50 dl-23 next: Add to the above code the mov instructions and assign values to bl,...
1) Assume the registers are initialized to the indicated
values:
Se al A c and code frogments MUST use 32 ぁ ar movennes (anor be "nedfra-ne ibrary function or procedural calls ino- Pe Peue c for ll codr ond code frogments only othu ey document your code with Comments unless the code size is Drow Fow Chort for any flow of control involving branches and loops Use PoCedures as modules to organize most of the code and code fragments. In...
please provide screenshots using dos debug.
4. Assemble the following instruction sequence into the memory starting at address CS: 100 and then verify their machine code in the memory. a. ADD AX, 00FFH b. ADC SI, AX c. INC BYTE PTR [0100H] d. SUB DL, BL e. SBB DL, [0200H] f. DEC BYTE PTR [DI+BX] g. NEG BYTE PTR [DIJ+0010H h. MUL DX i. IMUL WORD PTR [BX+SI] j. DIV WORD PTR [SI]+0030H k. IDIV WORD PTR [BX]ISI]+0030HS. How many...
5) Write TOY AL subprogram that implements the following subprogram interface: Label: SumEven On entry: Register $1 is the return address of the caller. Register $A is the address in memory of an array A. Register $s is the size of the array A. On exit: Register $F is the sum of the entries of A that are even (divisible by 2) No values in memory have changed. Any of the registers may have changed value. Hint: The TOY assembly...
Modify the circuit to support a MFCC
instruction.
MFCC Rd instruction: Move From Condition Codes
MFCC copies into the four rightmost bits of Rd the values of the
ALU signals Carry (C), Overflow (O), Zero (Z) and Negative (N) as
they were set by the previous R- type instruction. The remaining 28
bits of Rd are set to zero.
Describe the changes and additions needed for the
single-cycle MIPS processor datapath and control to support this
instruction.
Hints:
1) MFCC...
1. Given the following instruction sequence for the MIPS processor with the standard 5 stage pipeline $10, S0. 4 addi lw S2.0(S10) add sw S2,4(510) $2, $2, $2 Show the data dependences between the instructions above by drawing arrows between dependent instructions (only show true/data dependencies). a. Assuming forwarding support, in what cycle would the store instruction write back to memory? Show the cycle by cycle execution of the instructions as they execute in the pipeline. Also, show any stalls...
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