Tag Archives: microprocessor

Introduction : The 8255 microprocessor is an input/output (I/O) device that can be used to interface with various peripheral devices. It has three operating modes:… Read More

8085 Microprocessor 8085 Microprocessor is a predecessor of version 8086 Microprocessor, designed by Intel in 1976 with the help of NMOS technology. It includes a… Read More

Problem – Write a program to find the sum of a series where series starts from 3001 memory address and count of series is at… Read More

Problem – Write a program to count number of ones in the given 8-bit number use register B to display the count of ones where… Read More

Process control instructions are the instructions which control the processor’s action by setting(1) or resetting(0) the values of flag registers.  Following is the table showing… Read More

Prerequisite – Segmentation Segmentation is the process in which the main memory of the computer is logically divided into different segments and each segment has… Read More

Problem – Write a program to swap two 16-bit numbers using direct addressing mode where starting address is 2000 and the first 16-bit number is… Read More

Problem – Write a program to swap two 8-bit numbers using direct addressing mode where starting address is 2000 and the first 8-bit number is… Read More

1. Problem – Write the 8085 instructions which reset the accumulator. Solution – There are 4 instructions to reset the accumulator in 8085. These instructions… Read More

Prerequisite – Logical instructions in 8085 microprocessor Problem – Write a assembly language program multiply two 8 bit numbers and store the result at memory… Read More

Problem – Draw the timing diagram of the following code, MVI B, 45 Explanation of the command – It stores the immediate 8 bit data… Read More

Problem – Write a assembly language program to find maximum of two 8 bit numbers in 8085 microprocessor. Assumptions – Starting memory locations and output… Read More