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Write an assembly language program for 8086 to
read a string, count the number of lowercase characters, uppercase
characters, digits and other characters present in the string and
display in the following format in a clear screen-
Entered String- We have to pay 13% VAT.
Uppercase Characters- 4
Lowercase Characters- 10
Digits- 2
Others- 7
read a string, count the number of lowercase characters, uppercase
characters, digits and other characters present in the string and
display in the following format in a clear screen-
Entered String- We have to pay 13% VAT.
Uppercase Characters- 4
Lowercase Characters- 10
Digits- 2
Others- 7
- Code:
.MODEL SMALL
.STACK 100H
.DATA
MAX DB 99
USR DB ?
INPUT DB 99 DUP('$'),'$'
PROMPT1 DB 'ENTER A STRING',13,10,'$'
PROMPT2 DB 13,10,'ENTERED STRING-','$'
PROMPT3 DB 13,10,'UPPERCASE CHARACTERS-','$'
PROMPT4 DB 13,10,'LOWERCASE CHARACTERS-','$'
PROMPT5 DB 13,10,'DIGITS-','$'
PROMPT6 DB 13,10,'OTHERS-','$'
TEMP DB 2 DUP(?)
UPPER DB 0,0,'$'
LOWER DB 0,0,'$'
DIGIT DB 0,0,'$'
OTHER DB 0,0,'$'
.CODE
MAIN PROC FAR
MOV AX,@DATA
MOV DS,AX
LEA DX,PROMPT1
CALL DISPLAY
LEA DX,MAX
CALL STRINGINPUT
CALL COUNT
LEA SI,UPPER
CALL CONVERT
LEA SI,LOWER
CALL CONVERT
LEA SI,DIGIT
CALL CONVERT
LEA SI,OTHER
CALL CONVERT
CALL CLEARSCREEN
CALL MESSAGE
MOV AX,4C00H
INT 21H
MAIN ENDP
DISPLAY PROC NEAR
MOV AH,09H
INT 21H
RET
DISPLAY ENDP
STRINGINPUT PROC NEAR
MOV AH,0AH
INT 21H
RET
STRINGINPUT ENDP
CLEARSCREEN PROC NEAR
MOV AX,0602H
MOV CX,0000H
MOV DX,184FH
INT 10H
INT 10H
RET
CLEARSCREEN ENDP
COUNT PROC NEAR
MOV CH,0
MOV CL,USR
LEA SI,INPUT
UP:MOV DL,[SI]
CMP DL,'0'
JB DOWN1
CMP DL,'9'
JA DOWN1
ADD DIGIT,1
JMP BELOW
DOWN1:CMP DL,'A'
JB DOWN2
CMP DL,'Z'
JA DOWN2
ADD UPPER,1
JMP BELOW
DOWN2:CMP DL,'a'
JB DOWN3
CMP DL,'z'
JA DOWN3
ADD LOWER,1
JMP BELOW
DOWN3:ADD OTHER,1
BELOW:INC SI
LOOP UP
RET
COUNT ENDP
MESSAGE PROC NEAR
LEA DX,PROMPT2
CALL DISPLAY
LEA DX,INPUT
CALL DISPLAY
LEA DX,PROMPT3
CALL DISPLAY
LEA DX,UPPER
CALL DISPLAY
LEA DX,PROMPT4
CALL DISPLAY
LEA DX,LOWER
CALL DISPLAY
LEA DX,PROMPT5
CALL DISPLAY
LEA DX,DIGIT
CALL DISPLAY
LEA DX,PROMPT6
CALL DISPLAY
LEA DX,OTHER
CALL DISPLAY
RET
MESSAGE ENDP
CONVERT PROC NEAR
MOV DI,0
MOV BL,0
MOV AH,00
MOV AL,[SI]
MOV CX,10
AG:MOV AH,0
DIV CL
ADD AH,30H
ADD BL,1
MOV TEMP[DI],AH
INC DI
CMP AL,0
JA AG
MOV CH,0
MOV CL,BL
DEC DI
RE:MOV AH,TEMP[DI]
MOV [SI],AH
DEC DI
ADD SI,1
LOOP RE
RET
CONVERT ENDP
END MAIN
Last edited by Formatted on 24th March 2009, 12:08 am; edited 1 time in total
