8085 Program to Find the Maximum of N Numbers

8085 is a Microprocessor which was developed by Intel in 1970s. All the instructions in this microprocessor are encoded in a single byte. Some of the instructions are followed by one or two bytes of data, which can be a memory address, an immediate operand or a port number.

In this post, we will write a program in 8085 to Find the Maximum of N Numbers.

Algorithm

Start
Address <- 2200H
C <- M[Address]
Address <- Address + 1
A <- M[Address]
C <- C - 1
Address <- Address + 1
If A >= M[Address], go to 10
A <- M[Address]
Address <- Address + 1
C <- C - 1
If C != 0, go to 8
M[Address] <- A
Stop

Flow Chart

Program

      LXI H, 2200H
      MOV C, M
      INX H
      MOV A, M
      DCR C
BACK: INX H
      CMP M
      JNC NEXT
      MOV A, M
NEXT: DCR C
      JNZ BACK
      INX H
      MOV M,A
      RST 5

Example

2200H: 04
2201H: 02
2202H: 03
2203H: 04
2204H: 03
2205H: 04  ->  Output

Let us know in the comments if you are having any questions regarding this microprocessor program.

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Jazib
Android Developer | Competitive Programmer

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