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You read ‘Ece Lab Manual Ece 315’ in category ‘Essay examples’ There is no immediate way to look for 2’s match of 16-bit number. Therefore , this can be accomplished by finding the 1’s complement of two 8-bit numbers and after that incrementing that to get 2’s complement. Let us assume that the operand stored in memory spots 3000H-3001H is definitely 12H05H. The operand is loaded in to H-L set from recollection locations 3000H-3001H.

The lower-order is relocated from signup L to accumulator. Its complement is found by using CMA instruction. The effect obtained can be moved returning to register D. Then, the higher-order is usually moved from register H to accumulator. Its go with is found by making use of CMA training. The result obtained is moved back to enroll H. H-L pair can be incremented to get 2’s complement. Right now, the final result is in H-L pair. In this way stored by H-L couple to memory locations 3002H-3003H. 4. Required Results: Input: 8-bit quantity: ¦¦¦ 16-bit number: ¦¦¦ 13 Output: 1’s and 2’s complement of 8-bit number: ¦¦. 1’s and 2’s enhance of 16-bit number: ¦¦.. Cautions: a. Before enter the program press RST essential on 8085 kit. w. Proper care has to be taken while handling the microprocessor package. 6. Learning outcomes: College student will be able to discover ways to use rational instructions. 18 Experiment 5 1 . Purpose: Perform the following using 8085 Simulator and 8085 Microprocessor kit in assembly dialect: i. Write a program to count quantity of 1’s within a program.. 2. Split hex data in two bites and exchange the higher chew and reduce nibble of this number. Requirements: 8085 Processor kit. 2 . Learning Goal: Swapping of lower and higher nibble of a amount.. Assembly vocabulary Program ( i ): MVI M, 00H MVI C, 08H MOV A, D AGAIN: RAR JNC SKIP INR B NEGLECT: DCR C JNZ BACKSIDE HLT System ( ii ): LDA 2200H, Get the packed BCD number ANI F0H, Cover up lower chew RRC RRC RRC RRC, Adjust larger BCD digit as a lower digit STA 2300H, Store the partial result LDA 2200H, Get the original BCD number ANI 0FH, Face mask higher nibble STA 2301H, Store the effect LDA 2300H, Get the contents of recollection location 2300H into accumulator MOV W, A, preserve the items in N register LDA 2301H, Find the contents of memory area 2301H into accumulator.

STA 2300H, Store the contents of accumulator at treat 2000H. MOV A, B, Get the salvaged contents back to A register STA 2301H, Store the contents of accumulator by address 2200H HLT, End program execution 15 some. Required Benefits: Input: Your number: ¦¦¦ Output: quantity of one’s in number: ¦¦. Result after swapping: ¦¦. 5. Répondant: a. Just before enter the program press RST key about 8085 kit. b. Good care must be used while managing the microprocessor kit. 6th. Learning results: Students will be able to learn mathematical operations using 8085 package. 16 Experiment 5 1 .

Aim: Write a program to convert a 2-digit BCD number into their binary equivalent number. Requirements: 8085 Processor kit. 2 . Learning Aim: BCD to binary transformation of a amount. 3. Program: Sample trouble: (2200H) = 67H (2300H) = 6 x OAH + 7 = 3CH + several = 43H Sample Program: LDA 2200H: Get the BCD number PORT B, A: Save it ANI OFH: Mask most critical four portions MOV C, A: Save unpacked BCDI in C register MOV A, B: Get BCD again ANI FOH: Face mask least significant four parts RRC: Convert most significant 4 bits into unpacked BCD2 RRC RRC RRC MOV B, A: Save unpacked BCD2 in B enroll XRA A: Clear accumulator (sum = 0) 7 MVI D, 0AH: Collection D as a multiplier of 10 Amount: ADD M: Add 12 until (B) = 0 DCR W: Decrement BCD2 by 1 JNZ SUM: Is copie complete? i actually if not really, go back through adding again PUT C: Add BCD1 STA 2300H: Retail outlet the result HLT: Terminate software execution some. Required Benefits: Input: Get into 2 digit BCD amount: ¦¦¦ End result: Equivalent binary number: ¦¦. 5. Warnings: a. Just before enter the software press RST key upon 8085 system. b. Proper care must be considered while controlling the microprocessor kit.. Learning outcomes: College student will be able to understand use of stack pointer and subroutines. 18 Experiment 6th 1 . Goal: Perform the following using 8085 Simulator and 8085 Processor kit in assembly dialect: i. ii. Write a software for exhibiting BCD straight down counter. Countertop should depend numbers from 99 to 00 and it should increment after every 1 sec. Create a program pertaining to displaying binary up counter. Counter will need to count quantities from 00 to FFH and it may increment after every 0. securities and exchange commission’s. Requirements: 8085 Microprocessor system. 2 . Learning Objective: Implementation of BCD down countertop and Binary UP countertop. 3. Program ( i ): LXI SP, 27FFH: Initialize collection pointer MVI C, 99H: Initialize counter-top = 99 BACK: CALL Display: Phone display subroutine CALL Delay: Call hold off subroutine ADI 99H: Find Addition beneath DAA: Adapt for decimal CPI 99H: Compare with last count JNZ BACK: In the event no, repeat HLT nineteen

Program ( ii ): LXI SP, 27FFH: Load stack tip MVI C, OOH: Load counter BACK AGAIN: CALL Screen: Call display subroutine CALL UP Delay: Phone delay subroutine INR C: Increment counter-top MOV A, C CPI OOH: Check counter is &gt, FFH JNZ AGAIN: If not really, repeat HLT: Stop Wait Routine: Delay: LXI N, count: Initialize count BACK: DCX D: Decrement rely MOV A, E ORA D: Rationally OR D and E JNZ BACK: If result is not really 0 do it again RET: Go back to main software 4. Répondant: a. Just before enter the plan press RST key in 8085 package. b.

Good care must be used while controlling the microprocessor kit. your five. Learning results: mathematical functions using 8085. 20 Research 7 1 ) Aim: Interfacing of Several segment display with 8085 microprocessor. Requirements: 8085 Processor kit, Several Segment LED , wire connections. 2 . Learning Objective: Seven segment interfacing using 8085 kit. several. Circuit Diagram: 4. Program: MVI A, 80H OUT CR T: LXI They would, 2000H MVI B, 10H KK: PORT A, Meters OUT PENNSYLVANIA CALL HOLD OFF INX L JNZ KK 21 JMP K HLT Delay: LXI D, Depend Back: DCX D MOV A, M ORA At the JNZ Back RET 5.

Inputs: 2k: 40H, 79H, 24H, 30H, 19H, 12H, 02H, 78H, 00H, 18H, 08H, 03H, 46H, 21H, 06H, 0EH 6. Result: On the Seven segment LED we can see all the Hexadecimal no’s displayed with a delay as i have said. 7. Warnings: a. Before enter the software press RST key about 8085 system. b. Care must be considered while handling the processor kit. eight. Learning outcomes: Students should be able to learn how to software seven segment with 8085. 22 Experiment 8: 1 . Aim: Interfacing of D/A converter with 8085 processor to generate RAMP wave.

Requirements: 8085 Microprocessor Kit, DAC0808, 100nF(2), 1k, Op-Amp 741. 2 . Learning Objective: Digital to analog converter interfacing. 3. Outlet Diagram: 5. Program: MOV A, 80H OUT CW MVI A, 00H KK: OUT PENNSYLVANIA CALL WAIT INC A JMP KK RST your five Delay: LXI D, Count Back: DCX D MOV A, Deb ORA At the JNZ Back RET 3 5. End result: On the CRO we can see a RAMP wave generated. six. Cautions: a. Before enter the program press RST key on 8085 kit. n. Proper care should be taken when handling the microprocessor kit. 7. Learning outcomes: Learners will be able to learn how to interface digital to analog converter with 8085. 4 Experiment 9 1 . Target: Interfacing and control of machine motor applying 8085 processor. Requirements: 8085 Microprocessor system, Stepper Motor unit, Motor rider circuit (ULN2003) , wires. 2 . Learning Objective: Machine motor interfacing with 8085. 3. System: i) To rotate in Clock Smart direction MVI A, 80H OUT CRYSTAL REPORTS MVI A, 44H KK: OUT PA CALL WAIT RRC JMP KK RST 5 ii) To turn in Anti-Clock Wise course MVI A, 80H AWAY CR MVI A, 44H KK: OUT PA PHONE DELAY RLC JMP KK RST 5 Delay: LXI D, Depend Back: DCX D PORT A, M ORA Elizabeth JNZ Back again RET 4.

Result: Machine motor moves in Clock wise , Anti-clock wise direction. 5. Cautions: a. Before enter the program press RST important on 8085 kit. n. Proper care must be taken although handling the microprocessor kit. 6. Learning outcomes: Learners will be able to learn how to interface and control machine motor with 8085. twenty-five Experiment 12 1 . Aim: Design a 8085 Processor based Visitors light control for figure shown beneath with the subsequent conditions: Let traffic to flow from D to T , H to And for 1sec Glow most Yellow lamps for 0. sec Let traffic to flow from T to E , Electronic to W for 1sec Glow most Yellow lights for 0. 2sec Get this process carries on. Requirements: 8085 Microprocessor Package, 9 LED’s, 5K resistors (9) installment payments on your Learning Target: Traffic lumination control program using 8085. 3. Outlet Diagram: 5. Program: MVI A, 80H: Initialize 8255, port A and port B AWAY CR, (CR): in end result mode START: MVI A, 09H AWAY PA, (PA): Send info on PA to shine R1 and R2 MVI A, 24H OUT PB, (PB): Send data on PB to glow G3 and G4 MVI C, 28H: Weight multiplier count number (40? ) for delay 26

CALL UP DELAY: Contact delay subroutine MVI A, 12H OUT PA, PENNSYLVANIA: Send data on Slot A to glow Y1 and Y2 OUT 81H, PB: Send out data about port M to light Y3 and Y4 MVI C, 0AH: Load multiplier count (10? ) to get delay CONTACT: DELAY: Phone delay terme conseillé MVI A, 24H AWAY 80H, PENNSYLVANIA: Send data on slot A to glow G1 and G2 MVI A, 09H OUT 81H, PB: Send data on slot B to glow R3 and R4 MVI C, 28H: Fill multiplier rely (40? ) for postpone CALL DELAY: Call hold off subroutine MVI A, 12H OUT 80H: Send info on port A to glow Y1 and Y2 OUT 81H: Send info on interface B to glow Y3 and Y4 MVI C, 0AH: Weight multiplier count (10? intended for delay PHONE DELAY: Call up delay subroutine JMP START Delay Terme conseillé: DELAY: LXI D, Count number: Load depend to give zero. 5 sec delay BACK AGAIN: DCX M: Decrement counter MOV A, D ATTUALMENTE E: Examine whether depend is zero JNZ BACK: If not really zero, do it again DCR C: Check if multiplier zero, or else repeat JNZ DELAY SÅ: Return to primary program a few. Cautions: a. Before enter the program press RST important on 8085 kit. b. Proper care must be taken whilst handling the microprocessor set up. 6. Learning outcomes: College students will be able to discover ways to design processor based visitors light program using 8085. 27