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Tag Archives: microprocessor

Prerequisite – Addressing modes, Addressing modes in 8085 microprocessor The way of specifying data to be operated by an instruction is known as addressing modes.… Read More
Problem – Write an assembly language program to add two 16 bit BCD numbers with carry in 8086 microprocessor.  Example –    Algorithm –  Load… Read More
CALL instruction is used to call a subroutine. Subroutines are often used to perform tasks that need to be performed frequently. The JMP instruction is… Read More
Problem – Interface 8255 with 8085 microprocessor and write an assembly program that determines the addition of contents of port A and port B and… Read More
Problem – Write an assembly language program in 8086 microprocessor to find average of n eight bit numbers. Example – Algorithm – Assign value 500… Read More
There are 2 modes in 8255 microprocessor: 1. Bit set reset (BSR) mode – This mode is used to set or reset the bits of… Read More
Problem – Write an assembly language program in 8086 microprocessor to sort a given array of n numbers using Selection Sort. Assumptions – The number… Read More
In the changing world of technologies, the devices used are also changing. Let us take a look at the changes between 8085 series of microprocessors… Read More
Though the architecture and instruction set of both 8086 and 8088 processors are same, still there are differences between them. Following is the table listing… 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

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