Determine the use of loop instruction, Computer Engineering

Assignment Help:

Q. Determine the use of LOOP instruction?

Program:This program prints the alphabets (A-Z)

; Register used: AX, CX, DX

CODE SEGMENT

ASSUME: CS: CODE.    

MAINP:          MOV   CX, 1AH                    ; 26 in decimal = 1A in hexadecimal Counter.

                        MOV   DL, 41H                     ; Loading DL with ASCII hexadecimal of A.

NEXTC:          MOV   AH, 02H                     ; display result character in DL

            INT      21H                            ; DOS interrupt 

            INC      DL                             ; Increment DL for next char

            LOOP NEXTC                       ; Repeat until CX=0. (Loop automatically decrements

                                                                        ; CS and checks whether it is zero or not)

                        MOV   AX, 4C00H                ; Exit DOS

                        INT      21H                            ; DOS Call

CODE ENDS

END MAINP


Related Discussions:- Determine the use of loop instruction

What is remote login, Remote Login  A login that permits a user termina...

Remote Login  A login that permits a user terminal to connect to a host computer by a network or direct telecommunications link, and to interact with that host computer as if t

What is interpreter, What is interpreter? An  interpreter is a program ...

What is interpreter? An  interpreter is a program that appears to execute a source program as if it were machine language.

What is race around condition, What is race around condition? Ans: ...

What is race around condition? Ans: Race Around Condition:- Jn Kn Q(n+1) output   0 1 0 1   0 0

Advantages offered by data mining, Advantages offered by Data Mining: 1...

Advantages offered by Data Mining: 1.  Facilitates discovery of knowledge from big, massive data sets. 2.  Can be used within dissimilar application areas by Fraud detection

Explain the test instruction, Explain the TEST instruction TEST instru...

Explain the TEST instruction TEST instruction performs the AND operation. The difference is that AND instruction changes the destination operand whereas TEST instruction doesn

Describe about minicomputers, Q. Describe about Minicomputers? Minicomp...

Q. Describe about Minicomputers? Minicomputers, developed in the early 1960s, are high-performance, general-purpose multi user computers. These are also designed for real-tim

Define the term busy hour, Define the term busy hour Busy Hour: Conti...

Define the term busy hour Busy Hour: Continuous 1- hour period lying completely in the time interval concerned, for that the traffic volume or the number of calls attempts is

Explain direct addressing mode with example, Q. Explain Direct Addressing M...

Q. Explain Direct Addressing Mode with example? Direct Addressing Mode A direct operand signifies to contents of memory at an address referred by the name of the variable.

Explain busy tone in strowger telephony, Explain Busy tone in strowger tele...

Explain Busy tone in strowger telephony. Busy tone pattern is demonstrated in figure. This is a bursty 400 Hz signal with silence era in between. The burst and silence durati

Appropriate problems for ann learning, Appropriate Problems for ANN learnin...

Appropriate Problems for ANN learning: Conversely as we did for decision trees there it's important to know where ANNs are the right representation scheme for such job. Howeve

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