Das-arithmetic instruction-microprocessor, Assembly Language

Assignment Help:

DAS: Decimal Adjust after Subtraction:- This instruction converts the result of subtraction operation of 2 packed BCD numbers to a valid BCD number. The subtraction operation has to be only in the AL. If the lower nibble of AL is higher than the value 9, this instruction will subtract 06 from lower nibble of the AL. If the output of subtraction operation sets the carry flag or if the upper nibble is higher than value 9, it subtracts 60H from the AL. This instruction modifies the CF, AF, PF, SF and ZF flags. The OF is not defined after DAS instruction. The instance is following:

Example :

1988_DAS.jpg


Related Discussions:- Das-arithmetic instruction-microprocessor

Eax and ax register, MyLocation SDWORD 14 TheTest        SDWORD 8     mov ...

MyLocation SDWORD 14 TheTest        SDWORD 8     mov    eax,MyLocation     mov    ebx,TheTest     neg     eax,ebx     sub     eax,ebx Show exactly what lives in eax after executi

Login system, a pseudo-code to add username and password combination up to ...

a pseudo-code to add username and password combination up to a limit of 10

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

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

Project ideas, can u please give me ideas on Assembly Language Projects usi...

can u please give me ideas on Assembly Language Projects using Nasm

Machine level programs-microprocessor, Machine Level Programs In this s...

Machine Level Programs In this section, a few machine levels programming instance, rather then, instruction sequences are presented for comparing the 8086 programming with that

Internal architecture of microprocessor, Internal Architecture of Microproc...

Internal Architecture of Microprocessor : The architecture of 8086 provides a number of improvements over 8085 architecture. It supports a, a set of 16-bit registers ,16-bit AL

Mouse, hey ,, I need to know how to let a symbol moves with mouse ??

hey ,, I need to know how to let a symbol moves with mouse ??

input and output, Description: LC3 allows input from keyboard and out...

Description: LC3 allows input from keyboard and output to display on the screen. This lab will exercise the input/output capability using LC-3 Assembly language. Procedure

Right triangle, code, Assembly Language How to print strings in Right Tria...

code, Assembly Language How to print strings in Right Triangle form?

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