We want to setup a delay time of about 2ms, we have the instruction cycle time equals to 5 microseconds, the following assembly code is written for this aim. The value of X is still missing. The value of X should be: Delay5 movlw D'X movwf conterdelay Delay nop conterdelay, 1 Delay decfsz goto return
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- Show the program execution for the following program.The hypothetical machine has four (4) opcodes:1110 = LOAD0111 = STORE1000 = ADDWhat is the content of register $t1 after executing the instruction: SLL $t1,$t1,8 if its initial content is 0x8009?You are given the following assembly language statements: MOV AX, 15225 MOV BL, 126 DIV BL SUB BL, AL Just after the CPU finishes executing the SUB instruction, calculate the following: i)The decimal values in AL, AH, and AX registers ii)The decimal value of BL iii)The values of flag bits: Sign, Carry, Auxiliary, Zero, Parity, and Overflow.
- Assume that for a given program 70% of the executed instructions are arithmetic, 10% are load/store, and 20% are branch.Given this instruction mix and the assumption that an arithmetic instruction requires 2 cycles, a load/store instruction takes 6 cycles, and a branch instruction takes 3 cycles, find the average CPI.For a 25% improvement in performance, how many cycles, on average, may an arithmetic instruction take if load/store and branch instructions are not improved at all?For a 50% improvement in performance, how many cycles, on average, may an arithmetic instruction take if load/store and branch instructions are not improved at all?In this exercise we examine in detail how an instruction is executed in a single-cycle datapath. Problems in this exercise refer to a clock cycle in which the processor fetches the following instruction word: 0000 0000 0000 1100 0001 1011 0000 0000 Assume that data memory is all zeros and that the processor’s registers have the following values at the beginning of the cycle in which the above instruction word is fetched. r0 r1 r2 r3 r4 r5 r6 r8 r12 r31 0 197 -2 -35 4 -100 674 -89 222 -16 2.0.1 What are the outputs of the sign-extend and the jump “Shift left 2” unit (near the top of Figure 4.24) for this instruction word? 2.0.2 For the ALU and the two add units, what are their data input values?Write a Verilog code with testbench for 16-bit up/down counter with synchronous reset and synchronous up/down.If up/down is set the counter is up counter and if it is not set, the counter is a down counter. submit the module code, testbench code, and the simulation results. PLEASE EXECUTE CODE IN VERILOG
- Assume the following register contents: t0 = 0xAAAAAABA, t1 = 0x82345678 For the register values shown above, what is the value of register t2 for the following sequence of instructions? sll t2, t0, 6 or t2, t2, t1Discuss different methods of moving a content from R2 to R1 register in 8051. Assume that Register Bank0 is selected. Compare all methods with respect to program size and execution speed. Also, mentionwhich method is the best.If a MOV SI, [BX+DI] instruction appears in a program, what is its machine language equivalent?Select the correct response:a. 890Eb. 8B31c. 8931d. 8B0E
- 1.Show the status of PSW (Program status word) after addition of two 8bit numbers 26H and 3FH. Also draw status of flag register with help of diagram? 2. Mention the addressing mode, function and how many bytes instruction for the following instructions? ADI 42H b. LXI H, 2500H c. RLC 3. Write assembly language program to add to 8-bit numbers with carry. First numbers stored on memory location 2500h, second number on 2501H and store 8bit result on memory location 2502H and carry on 2503H.Read the Assembly program carefully, understand its working/functionality and answer the below given questions. MOV DX, 0090 MOV DS, DX MOV AX, 0004 MOV DX, AX SUB DX,1Back: MUL DX DEC DX CMP DX, 0 JNE Back MOV [0020], AL INT E INT 7 a. How many times the Loop will repeat?b. What will be value of AL after complete execution of program?c. Write the main idea of the functionality of the program in your own words briefly.Mention the addressing mode, function and how many bytes instruction for the following instructions? a. ADI 42H b. LXI H, 2500H c. RLC