CS401 Assignment # 3

[Anya]

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Assignment


Write a program named “count letters” that counts the occurrences of all small and capital letters in given below string and then prints the result in the format (Caps, count:: Small, count).Strings is “bcAdBDeCEad” and it should print this result (Caps, 5:: Small, 5).The program should take address of the source string as a parameter via stack and also provide proper comments against each instruction.

Due Date: 24-05-2010

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[viki]

Assignment


Write a program named “count letters” that counts the occurrences of all small and capital letters in given below string and then prints the result in the format (Caps, count:: Small, count).Strings is “bcAdBDeCEad” and it should print this result (Caps, 5:: Small, 5).The program should take address of the source string as a parameter via stack and also provide proper comments against each instruction.

Due Date: 24-05-2010

INSHALLAH i will try to make it but it is having much time

[sajid_hussain584@yahoo.co]

Write a program named “count letters” that counts the occurrences of all small and capital letters in given below string and then prints the result in the format (Caps, count:: Small, count).Strings is “bcAdBDeCEad” and it should print this result (Caps, 5:: Small, 5).The program should take address of the source string as a parameter via stack and also provide proper comments against each instruction.

[sajid_hussain584@yahoo.co]

sajid_hussain584@yahoo.com

[viki]

Write a program named “count letters” that counts the occurrences of all small and capital letters in given below string and then prints the result in the format (Caps, count:: Small, count).Strings is “bcAdBDeCEad” and it should print this result (Caps, 5:: Small, 5).The program should take address of the source string as a parameter via stack and also provide proper comments against each instruction.

there are certain rules as regulation in this forum who ever make a post regarding assignments and solution plz do mention the due date as well

[mehrosh90]

Aoa Sir, It will be appreicated if u kindly give us some hints or information about this assignment,

Write a program named “count letters” that counts the occurrences of all small and capital letters in given below string and then prints the result in the format (Caps, count:: Small, count).Strings is “bcAdBDeCEad” and it should print this result (Caps, 5:: Small, 5).The program should take address of the source string as a parameter via stack and also provide proper comments against each instruction.

and the due date is 24-05-2010

[viki]

CS401 Solution Assignment 3

;----
; ---- start of loop reading the keyboard
; ---- one character at a time
;----
mov bX,0 -- initialize capital character counter
loop_top:
MOV AH,1 ;READ A CHARACTDR
INT 21h
cmp al,0dh ; end of line?
je Display1 ; yes, then stop
; test for capital letters
cmp al,'A'
JL loop_end ; if char < 'A' then go
CMP al,'Z'
JG loop_end ; if char > 'Z' then go

INC bx ; increment capital letter counter
cmp bx,9
JG Display2 ; too many capital letters

loop_end:
jmp loop_top



Display1:
LEA DX,MSG2 ;GET MSG1
MOV AH,9 ;DISPLAY STRING
INT 21H ;DISPLAY MSG1

mov dl,bl ; print the number of characters
add dl,'0' ; make it readable
MOV AH,2 ;display the character that is in dl
INT 21H
jmp exit_program ; all done

Display2:
LEA DX,MSG3 ;GET MSG1
MOV AH,9 ;DISPLAY STRING
INT 21H ;DISPLAY MSG1

exit_program:
MOV AH,4CH ; return control to DOS
INT 21H

MAIN ENDP
END MAIN
END