What are the values of ECX, EBP, and ESP registers after executing the following instruction? push ECX Before ECX: OXBABE EBP: 0x0012FF24 ESP: 0x0012FF24 After ECX: EBP: ESP:
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What are the values of ECX, EBP, and ESP registers after executing the following instruction? push ECX Before ECX: 0xBABE EBP: 0x0012FF24 ESP: 0x0012FF24 After ECX: EBP: ESP:
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- Tompute the physical address for the specified operand in each of the following instructions. egister contents and variable are as follows: (CS)=0A00H, (DS)=OB0OH, (SS)=OD00H, S)=OFFOH, (DI)=00BOH, (BP)=00EAH and (UP)=0000H, LIST=00FOH, AX=4020H, BX=2500H. 1) Destination operand of the instruction MOV LIST (BP+DI], AX 2) Source operand of the instruction MOV CL, [BX+200H] 3) Destination operand of the instruction MOV [DI+6400H], DX 4) Source operand of the instruction MOV AL, [BP+SI-400H] 5) Destination operand of the instruction MOV [DI+SP], AX 6) Source operand of the instruction MOV CL, [SP+200H] 7) Destination operand of the instruction MOV [BX+DI+6400H], CX 8) Source operand of the instruction MOV AL , [BP-0200H] 9) Destination operand of the instruction MOV [SI], AX 10) Destination operand of the instruction MOV [BX][DI]+0400H,AL 11) Source operand of the instruction MOV AX, [BP+200H] 12) Source operand of the instruction MOV AL, [SI-0100H] 13) Destination operand of the…Q: Compute the physical address for the specified operand in each of the following instructions. The register contents and variable are as follows: (CS)=0A00H, (DS)=0B00H, (SS)=0D00H, (SI)=OFFOH, (DI)=00BOH, (BP)=00EAH and (IP)=00O0H, LIST=00FOH, AX=4020H, BX=2500H. 1) Destination operand of the instruction MOV LIST [BP+DI] , AX 2) Source operand of the instruction MOV CL, [BX+200H] 3) Destination operand of the instruction MOV [DI+6400H] , DX 4) Source operand of the instruction MOV AL, [BP+SI-400H] 5) Destination operand of the instruction MOV [DI+SP] , AX 6) Source operand of the instruction MOV CL, [SP+200H] 7) Destination operand of the instruction MOV [BX+DI+6400H] , CX 8) Source operand of the instruction MOV AL , [BP- 0200H] 9) Destination operand of the instruction MOV [SI] , AX 10) Destination operand of the instruction MOV [BX][DI]+0400H,AL 11) Source operand of the instruction MOV AX, [BP+200H] 12) Source operand of the instruction MOV AL, [SI-0100H] 13) Destination operand…Microprocessor Hw Q1 Execute the following code and show the contents of the registers: LDI R16,$03 LDI R17,$10 HERE: AND R16, R17 BREQ HERE ADD R16,17 Q2 Find the number of times the following loop is performed: LDI R20,20 BACK: LDI R21,$0A HERE: DEC R21 BRNE HERE DEC R20 BRNE BACK Q3. Execute the following code and show the contents of the registers: LDI R16,$03 LDI R17,$15 HERE: ADD R16, R17 COM R16 BRSH HERE EOR R16,17 JMP NEXT SUB R16,R17 NEXT: ROR R16
- Q: Compute the physical address for the specified operand in each of the following instructions. The register contents and variable are as follows: (CS)=D0A00H, (DS)=OBOOH, (SS)=0DO0H, (SI)=OFFOH, (DI)=00BOH, (BP)=00EAH and (IP)=0000H, LIST=D00FOH, AX=4020H, BX=2500H. 1) Destination operand of the instruction MOV LIST (BP+DI], AX 2) Source operand of the instruction MOV CL, [BX+200H] 3) Destination operand of the instruction MOV [DI+6400H] , DX 4) Source operand of the instruction MOV AL, [BP+SI-400H] 5) Destination operand of the instruction MOV (DI+SP] , AX Source operand of the instruction MOV CL, [SP+200H] 7) Destination operand of the instruction MOV [BX+DI+640O0H], CX 8) Source operand of the instruction MOV AL , [BP- 0200H] 9) Destination operand of the instruction MOV [SI] , AX 10) Destination operand of the instruction MOV [BX][DI]+0400H,AL 11) Source operand of the instruction MOV AX, [BP+200H] 12) Source operand of the instruction MOV AL, [SI-0100H] 13) Destination operand…Flags register in microprocessor are used extensively in programming (low level) to test a condition. For example, to test whether the previous instruction is making the accumulator zero, zero flag can be tested. If a flag register is made up of 16 bits, with 9 flags. Six of the flags are status flags and three are control flags. With your knowledge in microprocessor flag register, how would you: i) Identify this flag register and design it complete flag.4 ii) Show the functions of the represented bits in the register.What is the effective address that is targeted by the store instruction whose code word in binary is:101011 01000 10001 1111 1111 1111 1000Assume [$t0]=0x400C
- Q: Compute the physical address for the specified operand in each of the following instructions. The register contents and variable are as follows: (CS)=0A00H, (DS)=0BO0H, (SS)=OD00H, (S)-OFFOH, (DI)-вон, (ВР)-00EАН and (IP)-0000H, LIST-0OFOH, АХ-4020H, Вх-2500H. 1) Destination operand of the instruction MOV LIST (BP+DI] , AX 2) Source operand of the instruction MOV CL, [BX+200H] 3) Destination operand of the instruction MOV [DI+6400H], Dх 4) Source operand of the instruction MOV AL, (BP+SI-400H] 5) Destination operand of the instruction MOV (DI+SP] , AX 6) Source operand of the instruction MOV CL, [SP+20OH] 7) Destination operand of the instruction MOV [BX+DI+6400H] , CX 8) Source operand of the instruction MOV AL, [BP- 0200H] 9) Destination operand of the instruction MOV [SI) , AX 10) Destination operand of the instruction MOV (BX][DI]+0400H,AL 11) Source operand of the instruction MOV AX, [ВP+20он] 12) Source operand of the instruction MOV AL, (SI-0100H] 13) Destination operand of…How many times the instruction (MUL DX) is executed? MOV CX, OFFFFH. MOV DX, 0458H SSS: MOV AX, 0023H MUL DX INC CX JZ RRR JNCSSS RRR: HLT FFFFH times FFFEH times 1 time 0 timeGiven the following branch instruction and location, answer the following questions about it. Address Instruction Ox10000 Oxb5000184 What type of Branch instruction is this (CBZ, CBNZ, B, etc.): What is the offset in instructions of the branch target (write as a hex number with "-" if negative): What is the offset in bytes of the branch target (write as a hex number with "-" if negative): What is the address of the branch target:
- Address Instruction Ох180 CALL tstFun Ox642 testFun: MOVLW Ox90 Using the above code segment, enter Machine code stored in location Ox181 and Ox180: Ox Machine code stored in location Ox183 and Ox182: 0xGiven the following memory addresses and opcodes to be executed, if the current value of the Instruction Register (IR) is EBOA, what is the value of the Instruction Pointer Register (RIP) after the instruction in IR is executed? 00000000 EBOA 00000002 B805000000 00000007 BF01000000 0000000C BAODO00000 00000002 00000007 0000000A 0000000CPCSrc ID/EX EX/MEM Control IF/ID Add Branch MEM/WB Add Shift left 2 RegWrite Instruction Memory Read Address Read Addr 1 Register Read Read Addr Data 1 File Write Addr Data Memory MemtoReg ALUSrc Address Read Data ALU Read Data 2 Write Data Write Data ALU cntrl MemRead Sign Extend 16 32 ALUOP RegDst Figure 3: For EACH of the following registers, indicate how many bits are in the reg- ister, and what control signals are are in the register. he control signals in the diagram are: regWrite, regDest, aluOP, ALUsrc, Branch, MemRead, MemWrite, MemToReg. Register Number of bits Control Signals PC 32 None IF/ID 64* None ID/EX EX/MEM МЕM/WB