CS401 Assignment # 3

[Anya]

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

[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

Code:

;---- ; ---- 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