Program to move string from offset-assembly program, Assembly Language

Assignment Help:

Program : A program to move a string of the data words from offset 2000H to offset 3000H the length of the string is OFH.

Solution :

For writing this program, we will use an significant facility, available in the 8086 instruction set, for example move string byte/word instruction. We will also study the flexibility imparted by this instructions to the 8086 assembly language program. First  write  the Program for 8085, supposing that the string is available at location 2000H and is to be moved at 3000 H.

786_program4.jpg

Now consider DS is suitably set, write the sequence for 8086. At first by using the index registers, the program may be written as given.

1453_program5.jpg

BY Comparing the above listings for 8085 and 8086 we can conclude that every instruction in 8085 listing is replaced by an alike instruction of 8086. The above 8086 listing is completely correct but it is not competent.  Let us try to write the listings for the similar purpose by using the string instruction.  Due to the assembler directives and the syntax, one may sense that the program is lengthy, though it eliminates 4 instructions for a MOVSW instruction.

140_program6.jpg


Related Discussions:- Program to move string from offset-assembly program

Relocate program and data, ) What is the difference between re-locatable pr...

) What is the difference between re-locatable program and re-locatable data?

Architecture of 8088-microprocessor, Architecture Of 8088 The register ...

Architecture Of 8088 The register set of 8088 is accurately the same as in to 8086. The architecture of 8088 is also same to 8086 except for 2 changes; a) 8088 has 4-byte instr

Convert into hex pairs, Convert 751 to hex and show what it would look like...

Convert 751 to hex and show what it would look like stored at TheNumber WORD ? (hint: answer in hex pairs)

Assignment, 1. Write an assembly program that adds the elements in the odd ...

1. Write an assembly program that adds the elements in the odd indices of the following array. Use LOOP. What is the final value in the register? array1 DWORD 10, 20, 30, 40, 50, 6

Program., write a Mips program that read a string AND PRINT IT ON THE SCREE...

write a Mips program that read a string AND PRINT IT ON THE SCREEN

Eeprom programming, how to store a bulk data in a external eeprom

how to store a bulk data in a external eeprom

Dma-how dma works-microprocessor, DMA DMA stands for Direct Memory ...

DMA DMA stands for Direct Memory Access It is uses same Address/Data lines on ISA bus It controls the ISA bus instead of the processor ("bus master") Floppy

Mlil-arithmetic instruction-microprocessor, MLIL: Unsigned Multiplication ...

MLIL: Unsigned Multiplication Byte or Word: This instruction multiplies an unsigned byte or word by the contents of the AL. The unsigned byte or word can be in any one of the gene

Write a program that will input a number from the keyboard, Write a program...

Write a program that will input a number from the keyboard, and then display the number in binary form, as well as the number of one's in the number. Hint: Shift the value left (or

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd