MASTER OF COMPUTER APPLICATIONS
Course Code : MCSL-017
Course Title : C and Assembly Language Programming
Assignment Number : MCA(1)/L017/Assign/2014-15
Maximum Marks : 100
Weightage : 25%
Develop and execute an assembly language program to read an array of numbers and find the minimal and maximal elements.
DATA SEGMENT
ARR DB 5,3,7,1,9,2,6,8,4
LEN DW $-ARR
MIN DB ?
MAX DB ?
DATA ENDS
CODE SEGMENT
ASSUME DS:DATA CS:CODE
START:
MOV AX,DATA
MOV DS,AX
LEA SI,ARR
MOV AL,ARR[SI]
MOV MIN,AL
MOV MAX,AL
MOV CX,LEN
REPEAT:
MOV AL,ARR[SI]
CMP MIN,AL
JL CHECKMAX
MOV MIN,AL
CHECKMAX:
CMP MAX,AL
JG DONE
MOV MAX,AL
DONE:
INC SI
LOOP REPEAT
MOV AH,4CH
INT 21H
CODE ENDS
END START
Program Code :
[codesyntax lang=”asm” lines=”normal”]
DATA SEGMENT
ARR DB 5,3,7,1,9,2,6,8,4
LEN DW $-ARR
MIN DB ?
MAX DB ?
DATA ENDS
CODE SEGMENT
ASSUME DS:DATA CS:CODE
START:
MOV AX,DATA
MOV DS,AX
LEA SI,ARR
MOV AL,ARR[SI]
MOV MIN,AL
MOV MAX,AL
MOV CX,LEN
REPEAT:
MOV AL,ARR[SI]
CMP MIN,AL
JL CHECKMAX
MOV MIN,AL
CHECKMAX:
CMP MAX,AL
JG DONE
MOV MAX,AL
DONE:
INC SI
LOOP REPEAT
MOV AH,4CH
INT 21H
CODE ENDS
END START
[/codesyntax]
Screen shots :-
Before Execution :-
After Execution :-
