Write down the value of each destination operand: .data var1 WORD 3056h, 7645h, 0E347h var2 DWORD...
Write down the value of each destination operand:
.data
var1 WORD 3056h, 7645h, 0E347h
var2 DWORD 3E56F289h
.code
mov ax, WORD PTR [var2+1]
mov eax, DWORD PTR [var1]
mov ebx, DWORD PTR [var1+3]
Homework Answers
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Write down the value
of each destination operand:
.data
var1 WORD 3056h,
7645h, 0E347h
var2 DWORD...
Write down the value of each destination operand: .data var1 WORD 0A8B4h, 1234h, 0BA23h var2 DWORD...
Write down the value of each destination operand: .data var1 WORD 0A8B4h, 1234h, 0BA23h var2 DWORD 0E2A478C1h .code mov ax, WORD PTR [var1+3] mov eax, WORD PTR [var2+1] mov ebx, DWORD PTR [var1+2]
Assembly Language: Write and run a program to find the values of each destination operand: .data...
Assembly Language: Write and run a program to find the values of each destination operand: .data varB BYTE 65h,31h,02h,05h varW WORD 6543h,1202h varD DWORD 12345678h .code mov ax, WORD PTR [varB+2] ; a= mov bl, BYTE PTR varD ; b= mov bl, BYTE PTR [varW+2] ; c= mov ax, WORD PTR [varD+2] ; d= mov eax,DWORD PTR varW ; e=
What will be the value of the parity flag after the following lines execute? Mov al,...
What will be the value of the parity flag after the following lines execute? Mov al, 3 Add al, 5 What will be the value of the destination operand after each of the following instructions execute? .data var1 SBYTE -1, -2, -3, -4 var2 WORD A000h, B000h, C000h, D000h var3 SWORD -16, -42 var4 DWORD 11, 22, 33, 44 .code mov ax, var2 mov ax, [var2+4] mov ax, var3 mov ax, [var3-2]
Use the following data declarations. Assume that the offset of byteVal is 00000000: data byteValsbyte 1,2,3,ffh...
Use the following data declarations. Assume that the offset of byteVal is 00000000: data byteValsbyte 1,2,3,ffh dwordVal dword 34567890h, 90785634h, 12346745h Show the value of the final destination operand after each of the following code fragments has executed:(If any instruction/s is invalid, indicate "INV" as the answer and briefly explain why) a.mov edi, 2 answer al mov al, (byte Val + edi) b.mov ebx, dwordVal+4 answer ebx - [esi).- (show your answer in liteedim mov esi, offset dwordVal+8 xchg ebx,...
#include "stdio.h" #include <iostream> int main() { unsigned char var1 = 4; unsigned short int var2...
#include "stdio.h" #include <iostream> int main() { unsigned char var1 = 4; unsigned short int var2 = 255; unsigned short int var3 = 16; unsigned int var4 = 1; asm_ MOV AL, var1; MOV AX, var2; MOV AX, var3; MOV EBX, var4; MOVZX ECX, AX; What is the hexadecimal value of BX?
Q 2. Assuming a 32-bit operating environment, identify the mode of each operand in the following...
Q 2. Assuming a 32-bit operating environment, identify the mode of each operand in the following instructions. (Note: There are two operands in each instruction; identify both modes.) For a memory operand, specify whether it is direct memory mode or register indirect memory mode. Assume that the instructions are in a program also containing the code. .DATA value DWORD ? char BYTE *1. mov value, 100 2. movecx, value 3. mov ah, Oah *4. moveax, (esi] 5. mov [ebx], ecx...
Assembly Please answer the following above, compile and single step through the program, writing...
Assembly
Please answer the following above, compile and single step through
the program, writing down the value of the destination for each
instruction.
1. Using Visual Studio on the system, create a project using the code given below unsigned char short int int gArray 0x09, 0xFA, 0x5A, 0x18, 0x48, 0xAC, 0xD4, 0x71 ; cAr rays 1 [ ] = { 0:09, 0xfa, Ox5A, Ox18, 0x48, OxAC, OxD4, 0x71 }; gArray! [ ] = { Ox09, OxFA, Ox5A, Ox18, 0x48, OxAC,...
) Identify the hexadecimal value moved to the destination by each of the following instruction below...
) Identify the hexadecimal value moved to the destination by each of the following instruction below based on the given data declaration. Assume that the offset of byteVal is 00000000H data byteVal wordVal dwordVal aString BYTE 1,2,3,4 WORD 1000H,2000H,3000H,4000H DWORD 12345678H,34567890H BYTE "ABCDEFG",0 ax,offset byteVal i. mov dx,wordVal i. mov al,aString+2 i11. mov dx,wordVal+4 iv. mov mov eax,offset byteVal+2 V. CO2 (10 marks) d) The incomplete program below used to find the multiplication product of the given numbers by 4...
1. Assume that you are given values in eax, ebx, ecx. Write an assembly code that...
1. Assume that you are given values in eax, ebx, ecx. Write an assembly code that does the following: eax = (ecx + edx ) - (eax + ebx) 2. Write a piece of code that copies the number inside al to ch. Example: Assume that Initially eax = 0x15DBCB19. At the end of your code ecx = 0x00001900. Your code must be as efficient as possible. 3. You are given eax = 0x5. Write one line of code in...
Reverses the sign of an operand. Operand can be a register or memory operand. . data...
Reverses the sign of an operand. Operand can be a register or memory operand. . data valB BYTE -1 valW WORD +32767 . code mov al, valB ; AL = -1 neg al ; AL = +1 neg vals ; valw = -32767 Suppose AX contains -32,768 and we apply neg to it. Will the result be valid?
Use the following data declarations. Assume that the offset of byteVal is 00000000: data byteValsbyte 1,2,3,ffh dwordVal dword 34567890h, 90785634h, 12346745h Show the value of the final destination operand after each of the following code fragments has executed:(If any instruction/s is invalid, indicate "INV" as the answer and briefly explain why) a.mov edi, 2 answer al mov al, (byte Val + edi) b.mov ebx, dwordVal+4 answer ebx - [esi).- (show your answer in liteedim mov esi, offset dwordVal+8 xchg ebx,...
#include "stdio.h" #include <iostream> int main() { unsigned char var1 = 4; unsigned short int var2 = 255; unsigned short int var3 = 16; unsigned int var4 = 1; asm_ MOV AL, var1; MOV AX, var2; MOV AX, var3; MOV EBX, var4; MOVZX ECX, AX; What is the hexadecimal value of BX?
Q 2. Assuming a 32-bit operating environment, identify the mode of each operand in the following instructions. (Note: There are two operands in each instruction; identify both modes.) For a memory operand, specify whether it is direct memory mode or register indirect memory mode. Assume that the instructions are in a program also containing the code. .DATA value DWORD ? char BYTE *1. mov value, 100 2. movecx, value 3. mov ah, Oah *4. moveax, (esi] 5. mov [ebx], ecx...
Assembly
Please answer the following above, compile and single step through
the program, writing down the value of the destination for each
instruction.
1. Using Visual Studio on the system, create a project using the code given below unsigned char short int int gArray 0x09, 0xFA, 0x5A, 0x18, 0x48, 0xAC, 0xD4, 0x71 ; cAr rays 1 [ ] = { 0:09, 0xfa, Ox5A, Ox18, 0x48, OxAC, OxD4, 0x71 }; gArray! [ ] = { Ox09, OxFA, Ox5A, Ox18, 0x48, OxAC,...
) Identify the hexadecimal value moved to the destination by each of the following instruction below based on the given data declaration. Assume that the offset of byteVal is 00000000H data byteVal wordVal dwordVal aString BYTE 1,2,3,4 WORD 1000H,2000H,3000H,4000H DWORD 12345678H,34567890H BYTE "ABCDEFG",0 ax,offset byteVal i. mov dx,wordVal i. mov al,aString+2 i11. mov dx,wordVal+4 iv. mov mov eax,offset byteVal+2 V. CO2 (10 marks) d) The incomplete program below used to find the multiplication product of the given numbers by 4...
Reverses the sign of an operand. Operand can be a register or memory operand. . data valB BYTE -1 valW WORD +32767 . code mov al, valB ; AL = -1 neg al ; AL = +1 neg vals ; valw = -32767 Suppose AX contains -32,768 and we apply neg to it. Will the result be valid?
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