Determine the contents of register AL and the carry, sign, zero, and overflow flags after the...
Determine the contents of register AL and the carry, sign, zero, and overflow flags after the following two 8086 instructions are executed in sequence:
MOV AL,0x4C ; Load register AL with 0x4C ADD, AL,0x3E ;
Add 0x3E to the contents of AL (which is 0x4C) and place the result (sum) in AL
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Determine the contents of register AL and the carry, sign, zero,
and overflow flags after the...
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 = ___)
Examine the following code and answer the following: 10. Register contents after execution of each instruction Machine code using hand assembly EDSIM51 Simulation a. b. c. istart (origin) at 0 ;l...
Examine the following code and answer the following: 10. Register contents after execution of each instruction Machine code using hand assembly EDSIM51 Simulation a. b. c. istart (origin) at 0 ;load 25H into R5 iload 34H into R7 ;load 0 into A ;add contents of R5 to A now A-A+R5 ; add contents of R7 to A inow A A+R7 ;add to A value 12H ORG OH MOV R5,#25H MOV R7 , #34H MOV A, #0 ADD A, R5 ADD...
1. What will be the contents of BX after the following instructions execute? mov bx,5 stc...
1. What will be the contents of BX after the following instructions execute? mov bx,5 stc mov ax,60h adc bx,ax 2. Describe the output when the following code executes in 64-bit mode: .data dividend_hi QWORD 00000108h dividend_lo QWORD 33300020h divisor QWORD 00000100h .code mov rdx,dividend_hi mov rax,dividend_lo div divisor 3. The following program is supposed to subtract val2 from val1. Find and correct all logic errors (CLC clears the Carry flag): .data val1 QWORD 20403004362047A1h val2 QWORD 055210304A2630B2h result QWORD...
Instruction set architecture R: register X, Y, Op1, Op2: Operand Quantity: constant value EA: Effective memory...
Instruction set architecture R: register X, Y, Op1, Op2: Operand Quantity: constant value EA: Effective memory address Opcode Operation Name MOV X Y XCH Opl, Op2 ADD X, Y SUB X, Y SAL Op. Quantity SAR Op. Quantity SHR Op Quantity AND X, Y OR X. Y XOR X, Y NOT X LOAD RA LOAD R. (A) STORERA STORE R. (A) Description Move data from Y to X Exchange Opl with Op2 X=X+Y X=Y-X Shift Arithmetic Left on Op for...
Need help just the answers In the following instruction sequence, show the changed values of AL...
Need help just the answers
In the following instruction sequence, show the changed values of AL where indicated, in binary; a. _____ b. ____ c. ____ d. ______ In the following instruction sequence. show the changed values of AL where indicated, in hexadecimal: a. ____ b. ____ c. _____ d. ____ In the following instruction sequence, show the values of the Carry, Zero, and Sign flags where indicated: a. CF = ___ ZF = ___ SF = ____ b. CF...
PCSrc Add ALU Add result Shift left 2 Read register 1Read Read register 2 Write register Write da...
PCSrc Add ALU Add result Shift left 2 Read register 1Read Read register 2 Write register Write data RegWrite Read ALU operation MemWrite data 1 MemtoReg Zero ALU ALUAddresS data Instruction Registers Read Read Instruction MI IMI memory WriteData data memory 16 Sign- MemRead extend 3, (4 points) For question#2, in the datapath as shown in Fig. 1, assume that one of the following control signals has a stuch-at-0 fault, meaning that the signal is always 0, regardless of its...
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...
Answer based on microprocessor 8086 (10) LEA BX, CX 7. Suppose that (AX)-4AOBH, the content of...
Answer based on microprocessor 8086
(10) LEA BX, CX 7. Suppose that (AX)-4AOBH, the content of [1020H] storage unit is 260FH. Try to determine the results of the following instructions. (1) MOV AX, 1020H (AX) (2) XCHG AX, [1020H) ; (AX) (3) MOV AX, [1020H) ;(AX)=- (4) LEA AX, [1020H) ; (AX) 10. Suppose the size of the stack segment is 256 bytes. The starting address of the stack is 1250: 0000H, assuming there are 5 word-sized data in the...
27. For lO computer interface function outb(0xB6, 0x43), which register to hold Ox43? (a) AL (c) DX (d) AX (b) BL 28. Suppose memory variable j is 32-bit. After executing the following instructio...
27. For lO computer interface function outb(0xB6, 0x43), which register to hold Ox43? (a) AL (c) DX (d) AX (b) BL 28. Suppose memory variable j is 32-bit. After executing the following instructions int j 0X20AB int *Ptr asmi MOV EAX, Ptr; MOV EBX, [EAX] ADD EBX, 1; Which of the following statements is true? (b) EBX hold 0x20AC in hexadecimal (d) EAX hold 0x20AC in hexadecimal (a) EBX hold 0x20AB in hexadecimal (c) EAX hold Ox20AB in hexadecimal 29....
High-level computer languages are created to be understood by humans. As a result, the keywords and...
High-level computer languages are created to be understood by
humans. As a result, the keywords and the commands of these
languages are easy to understand. Machine languages are harder to
understand and operate.
For this assignment, you should assume that the memory cells at
addresses F0 to F9 are in the machine described in FIGURE
1, and that it contains the hexadecimal bit patterns
described in the following table.
Note: Each memory address contains 2 values
that must be used...
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 = ___)
Examine the following code and answer the following: 10. Register contents after execution of each instruction Machine code using hand assembly EDSIM51 Simulation a. b. c. istart (origin) at 0 ;load 25H into R5 iload 34H into R7 ;load 0 into A ;add contents of R5 to A now A-A+R5 ; add contents of R7 to A inow A A+R7 ;add to A value 12H ORG OH MOV R5,#25H MOV R7 , #34H MOV A, #0 ADD A, R5 ADD...
Instruction set architecture R: register X, Y, Op1, Op2: Operand Quantity: constant value EA: Effective memory address Opcode Operation Name MOV X Y XCH Opl, Op2 ADD X, Y SUB X, Y SAL Op. Quantity SAR Op. Quantity SHR Op Quantity AND X, Y OR X. Y XOR X, Y NOT X LOAD RA LOAD R. (A) STORERA STORE R. (A) Description Move data from Y to X Exchange Opl with Op2 X=X+Y X=Y-X Shift Arithmetic Left on Op for...
Need help just the answers
In the following instruction sequence, show the changed values of AL where indicated, in binary; a. _____ b. ____ c. ____ d. ______ In the following instruction sequence. show the changed values of AL where indicated, in hexadecimal: a. ____ b. ____ c. _____ d. ____ In the following instruction sequence, show the values of the Carry, Zero, and Sign flags where indicated: a. CF = ___ ZF = ___ SF = ____ b. CF...
PCSrc Add ALU Add result Shift left 2 Read register 1Read Read register 2 Write register Write data RegWrite Read ALU operation MemWrite data 1 MemtoReg Zero ALU ALUAddresS data Instruction Registers Read Read Instruction MI IMI memory WriteData data memory 16 Sign- MemRead extend 3, (4 points) For question#2, in the datapath as shown in Fig. 1, assume that one of the following control signals has a stuch-at-0 fault, meaning that the signal is always 0, regardless of its...
Answer based on microprocessor 8086
(10) LEA BX, CX 7. Suppose that (AX)-4AOBH, the content of [1020H] storage unit is 260FH. Try to determine the results of the following instructions. (1) MOV AX, 1020H (AX) (2) XCHG AX, [1020H) ; (AX) (3) MOV AX, [1020H) ;(AX)=- (4) LEA AX, [1020H) ; (AX) 10. Suppose the size of the stack segment is 256 bytes. The starting address of the stack is 1250: 0000H, assuming there are 5 word-sized data in the...
27. For lO computer interface function outb(0xB6, 0x43), which register to hold Ox43? (a) AL (c) DX (d) AX (b) BL 28. Suppose memory variable j is 32-bit. After executing the following instructions int j 0X20AB int *Ptr asmi MOV EAX, Ptr; MOV EBX, [EAX] ADD EBX, 1; Which of the following statements is true? (b) EBX hold 0x20AC in hexadecimal (d) EAX hold 0x20AC in hexadecimal (a) EBX hold 0x20AB in hexadecimal (c) EAX hold Ox20AB in hexadecimal 29....
High-level computer languages are created to be understood by
humans. As a result, the keywords and the commands of these
languages are easy to understand. Machine languages are harder to
understand and operate.
For this assignment, you should assume that the memory cells at
addresses F0 to F9 are in the machine described in FIGURE
1, and that it contains the hexadecimal bit patterns
described in the following table.
Note: Each memory address contains 2 values
that must be used...
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