19 Nov MICROPROCESSOR & MICROCONTROLLER LAB MANUAL MICROPROCESSOR PROGRAMS NAKUMAR. M.E. 3 Sep A microprocessor is a clock-driven semiconductor device consisting of electronic Counter should count numbers from Flowchart for Program. MICROPROCESSOR 1) Start the program by loading the first data into Accumulator. To perform the subtraction of two 8 bit numbers using

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The 1st instruction MVI A,93h, which is a two byte instruction, loads an immediate byte 93h in the accumulator. Type the next opcode in the data field of the display vi.

Type the starting address in the address field of the 7-segment display iii. The 1st instruction LXI H, h is a 3 byte instruction. Qith program to add two 8-bit numbers stored in memory is shown below along with the opcode and the physical locations where 8085 microprocessor programs with flowchart program will be loaded in memory.

Type the starting address of the prgram in the address field iii.

Program 8085 microprocessor programs with flowchart for 1st Method using the immediate 8-bit data: The third instruction increments the memory pointer HL register and now it will contain h The 4th instruction reads a byte from memory location h and load it in register B. The result 4A is seen in the data field of the 7-segment micriprocessor.

The opcode for this instruction is 0E and is stored at addressthe 8-bit operand B7h get stored at location So it points to h. The output can be verified as: To check the result: To Check the Output: Press NEXT; and type the opcode in the data field. The fourth instruction STA h is used flowchary store the result content of accumulator in memory at location h and this instruction 8085 microprocessor programs with flowchart opcode 32 is a 3 byte instruction stored at locationand The last instruction HLT is used to end the execution of the program.

Entering the the number in the memory: Press NEXT key, you will find that the next memory address is 8085 microprocessor programs with flowchart displayed v.

Addition of two 8-bit numbers with carry. To execute the program: The program given below gives the complete listing of the addition of two 8-bit numbers, the program listed below also shows the the machine opcode and the addresses where the program is to be loaded in memory.

Program to Add two 8-bit numbers along with Carry | Electricalvoice

Type h in the address field iii. WAP using and verify for: The instruction is stored in memory at location, progeams The letter ‘E’ will be displayed in the 7-segment address field to indicate that the prgram executed successfully. If flowcharrt sum is larger than eight bits FFHit sets the carry flag. The theory is explained at the 8085 microprocessor programs with flowchart of the 1st approach. Press GO key on the Kit ii.

The third instruction ADD C has the opcode 81 stored at addressafter this instruction is executed the result get stored 8085 microprocessor programs with flowchart accumulator. The flowchart to add two 8-bit numbers is shown below: The two 8-bit numbers are stored in memory location h and h and the result of addition is to be save in memory at location The pcode 7E is stored witj memory at location The 5th instruction adds the content of register A and B.

The next instruction at prograjs having opcode 23 increments the HL pair. The 2nd instruction reads a byte from memory and loads it in accumulator A. The opcode is Entering the Program in memory of Programmer kit: Press NEXT key on the kit.