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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Flowvhart 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 Wirh. The fourth instruction STA h is used to store the result content of accumulator in memory at location h and this instruction having opcode 32 is a 3 byte instruction stored at locationand The last instruction HLT is used to end the execution of the program.
Press GO key on the Kit ii. The 8085 microprocessor programs with flowchart is stored in memory at location, and The flowchart to add two 8-bit numbers is shown below: The program to add two 8-bit numbers stored in memory is woth below along with the opcode and the 8085 microprocessor programs with flowchart locations where the program will be loaded in memory.
Program to Add two 8-bit numbers along with Carry
Type h in the address field iii. Type the starting address in the address field of the 7-segment display iii.
To execute the program: The letter ‘E’ will be displayed in the 7-segment withh field to indicate that the prgram executed successfully.
The opcode for this instruction is 0E and is stored at addressthe microprocewsor operand B7h get stored at location If the sum is larger than eight 8085 microprocessor programs with flowchart FFHit sets the carry flag. Press NEXT; and type the opcode in the data 8085 microprocessor programs with flowchart. To check the result: WAP using and verify for: Type the next opcode in the data field of the display vi.
Press NEXT key, you will find that the next memory address is automatically displayed v. Press NEXT key on the kit. So it points to h. Entering the the number in the memory: The next instruction at location having opcode 23 increments the HL pair.
Program to Add two 8-bit numbers along with Carry | Electricalvoice
The pcode 7E is stored in memory miceoprocessor location Entering the Program in memory of Programmer kit: The 1st instruction LXI H, h is a 3 byte instruction. The output can be verified as: The result 4A is seen in the data field of the 7-segment display.
The 2nd instruction reads a byte from memory and loads it in accumulator A. The opcode is progrzms The two 8-bit numbers are stored in memory location h and h and the result of addition is to be save in memory microprocsssor location The 5th instruction adds the content of register A and B.
The third instruction ADD C has the opcode 81 stored at addressafter this instruction is 8085 microprocessor programs with flowchart the result get stored in accumulator. The 1st instruction MVI A,93h, which is a two byte 8085 microprocessor programs with flowchart, loads an immediate byte 93h in the accumulator.
To Check the Output: Type the starting address of the prgram in the address field iii.
Program Listing for 1st Method using the immediate 8-bit data: The program given below gives the complete listing of the addition of two 8085 microprocessor programs with flowchart numbers, the program listed below also shows the the machine opcode and the addresses where the program is to be loaded in memory. Addition of two 8-bit numbers with carry. The theory is explained at the begining of the 1st approach.