3.62) The 8085-programming manual says that it takes seven T states to fetch and execute the MOV instruction. If the system clock has a frequency of 2.5 MHz, how long is an instruction cycle?
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- 8:37 4 A M Vo) Gt LTE1 You Just now i) Analyse and execute the following 8051 Instructions and specify the output and explain the contents of the registers with comments MOV A, #92H SWAP A In the absence of a SWAP instruction, how would you exchange the nibbles? Write an 8051 ALP to show the process ii) Analyse and execute the following 8051 Instructions and specify the output and explain the contents of the registers with comments. CLRC MOV A, #4FH SUBB A#6DH JNC NXT CPL A INC A NXT: MOV RI,A ADD A,RIAn 8051 subroutine is shown below: SUB: RO, #20H @RO , #0 MOV LOOP: MOV INC RO CJNE RO, #80H, LOOP RET a. What does this subroutine do? b. In how many machine cycles does each instruction execute? How many bytes long is each instruction? C. d. Convert the subroutine to machine language. e. How long does this' subroutine take to execute? (Assume 12 MStudy the code below and answer the following questions a. Calculate the total amount of storage required for the program b. Calculate the total number of T-states and time required to execute the program assuming the clock signal frequency is 6MHZ. Show all the steps involved
- 1-Write microprocessor program using mnemonics to add two numbers 08 and 06. 2-Write the object code of the program. 3-Perform the program using STEP function. 4-Execute the program and write the results. Object code Mnemonics MOV AX A1 B0 MOV AL B3 MOV BL 04 ADD AL F4 HLTP. 2. Consider a proposed new instruction named rpt. This instruction combines a loop's condition check and counter decrement into a single instruction. For example rpt x29, loop would do the following: if (x29 >0) { x29 = x29 -1: goto loop a) If this instruction were to be added to the RISC-V instruction set. what is the most appropriate instruction format? b) What is the shortest sequence of RISC-V instructions that performs the same operation?The numbers from 0-9 and a no characters is the Basic 1 digit seven segment display * .can show False True In a (CA) method of 7 segments, the anodes of all the LED segments are * "connected to the logic "O False True Some times may run out of pins on your Arduino board and need to not extend it * .with shift registers True False
- DIsassemble the following MIPS 32-bit hexadecimal instruction written as addr:instr 60005000 : 0c000020Explain the SUB instruction of 8086. Compare it with SBB instruction. Write a Assembly language program for 8086 to find the square root of a number using SUB instruction. (Note : Solve the question in paper, scan and upload along with the other Part B and C answers) A BIE(c) Figure Q3(c)(i) shows a register and Figure Q3(c)(ii) shows the input waveforms (CLOCK and Data in) to the circuit. A1 A9 A10 A2 Function generator A3 A11 A12 AS A13 A6 A14 A7 A15 Data in Bop.7) ip.r 82p.7) Logic analyser U1 U2 U3 U4 UO 6. 1. 6 1 6 INVERTER 3 CLK 3 CLK oCLK CLK 5 K K 5 K K 4027 Clock Function generator Figure Q3(c)(i) (i) Determine the type of register as shown in Figure Q3(c)(i).
- 6. Describe the operation of an OTE instruction.Consider the following assembly program MOV CX, 1100H DLY: SUBS CX, CX, #1 NOP BNE DLY NXT: --- (a) How many times does the BNE DLY instruction get executed? (b) Change the first line of the program so that BNE DLY is executed 34 times (c) Change the second line of the program so that BNE DLY is executed 34 times, while the fist line stays unchanged (MOV CX, 1100H)A 9-bit asynchronous counter has a 128-kHz clock signal applied. (1) What is the MOD number of this counter? MOD number = (ii) What will be the frequency at the MSB output? fmsb = (iii) Assume that the counter starts at zero. What will be the count after 635 input pulses? After 635 input pulse, Count =