Activities Manual For Programmable Logic Controllers
Activities Manual For Programmable Logic Controllers
5th Edition
ISBN: 9781259682476
Author: Frank Petruzella
Publisher: Mcgraw-hill Higher Education (us)
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Chapter 3, Problem 3P

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Octal numbering system:

  • Octal number system is also known as base-8 number system
  • It is because; eight distinct elements from 0 to 7 are used to represent a level.
  • In order to represent a 16-bit word or a register, two digit bits are used such that each word is represented by a two digit octal number starting with “00”.
  • The possible octal numbering system to represent each and every 16-bit word is given below:

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In 32-bit MSAM, You were given the following negative array. write a program that converts each array element to its positive representation. Then add all these array elements and assign them to the dl register. .data    myarr sbyte -5, -6, -7, -4.code     ; Write the rest of the program and paste the fully working code in the space below.   the dl register should have the value 22 after summing up all elements in the array.
Microprocessor 8085 Lab Experiment Experiment No. 3 Logical Instructions Write programs with effects 1. B=(2Dh XOR D/2) - (E AND 2Eh+1) when E=53, D=1Dh 2. HL= (BC+HL) XOR DE (use register pair when necessary), when BC=247, HL 516, DE 12Ach 3. Reset bits 1,4,6 of A and set bits 3,5 when A=03BH Write all as table (address line.hexacode,opcede,operant.comment with flags)
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