Cbw-cwd-arithmetic instruction-microprocessor, Assembly Language

CBW: Convert Signed Byte to Word: This instruction converts a signed byte to a signed word. In other terms, it copies the sign bit of a byte to be converted to all of the bits in the higher byte of the result word. The byte to be converted might be in the AL. The result will be stored in the AX. It does not affect any flag.

CWD: Convert Signed Word to Double Word: This instruction copies the sign bit of the AX register to all the bits of the DX register. This operation is to be done before signed division. It does not  make affect  on any flag.


Posted Date: 10/12/2012 2:08:01 AM | Location : United States

Related Discussions:- Cbw-cwd-arithmetic instruction-microprocessor, Assignment Help, Ask Question on Cbw-cwd-arithmetic instruction-microprocessor, Get Answer, Expert's Help, Cbw-cwd-arithmetic instruction-microprocessor Discussions

Write discussion on Cbw-cwd-arithmetic instruction-microprocessor
Your posts are moderated
Related Questions
write shell to calculate basic salary from given .

#I submitted my assignment this morning and it is still processing. How long does it take?

Programming with an assembler The procedure of hand-coding 8086 programs is somewhat tiresome; hence generally a programmer may find it hard to get a correct listing of the mac

Write an 8086 program to find out the number of positive numbers and negative numbers from a given series of signed numbers include flow chart ..

Compute the Fibonacci sequence - assembly program: Problem: Fibonacci   In this problem you will write a program that will compute the first 20 numbers in the Fibonacci sequ

How to define procedures?

Tabular comparison for µ PS' Parameters Tables (a) and (b) list the characteristic of Intel microprocessor. Table(a):   Table(b): It has a 64 bit da

Pin functions for the minimum mode operation of 8086 are following: 1) M/I/O -Memory/IO: This is a status line logically equivalent to S2 in maximum mode. When it is low, it

Why is the capability to relocate processes desirable?

CMPS : Compare String Byte or String Word:-The CMPS instruction may be utilized to compare two strings of Words or byte. The length of the string ought to be stored in the CX. If