;統計輸入字符的總個數和其中字母,數字和其他字符的個數
DATA	 SEGMENT
CHAR1    DB  51H,0,51H DUP(0)
CHAR     DB  0H
DIGITAL  DB  0H
OTHERS   DB  0H
NUM      DB  0H
STRING   DB  'PLEASE ENTER A STRING NO LONGER THAN 80:',0AH,0DH,'$'
STRING1  DB  0AH,0DH,'THE NUMBER OF LETTER IS:','$'
STRING2  DB  0AH,0DH,'THE NUMBER OF DIGITAL IS:','$'
STRING3  DB  0AH,0DH,'THE NUMBER OF OTHERS IS:','$'
STRING5  DB  0AH,0DH,'THE NUMBER OF CHAR IS:','$'
STRING4  DB  3 DUP(0)
DATA	ENDS
STACK1	SEGMENT PARA STACK
	DW 20H DUP(0)
STACK1	ENDS
COSEG	SEGMENT
	ASSUME CS:COSEG,DS:DATA,SS:STACK1
START:  MOV AX,DATA
        MOV DS,AX
        MOV DX,OFFSET STRING
        MOV AH,09H
        INT 21H
        MOV DX,OFFSET CHAR1
        MOV AH,0AH
        INT 21H 
        MOV CL,CHAR1[1]
        XOR CH,CH
        MOV SI,2
LOP:    INC NUM
        MOV AL,CHAR1[SI]
        CMP AL,'0'
        JC LOP1
        CMP AL,3AH
        JNC LOP1
        INC DIGITAL
        INC SI
        LOOP LOP
        JMP LOP4
LOP1:   CMP AL,'A'
        JC  LOP2
        CMP AL,5BH
        JNC LOP2
        INC CHAR
        INC SI
        LOOP LOP
        JMP LOP4
LOP2:   CMP AL,'a'
        JC  LOP3
        CMP AL,7BH
        JNC LOP3
        INC CHAR
        INC SI
        LOOP LOP
        JMP LOP4
LOP3:   INC OTHERS 
        INC SI
        LOOP LOP
LOP4:   MOV AL,NUM
        CALL TRAN
        MOV DX,OFFSET STRING5
        MOV AH,09H
        INT 21H
        MOV DX,OFFSET STRING4
        MOV AH,09H
        INT 21H
        MOV AL,CHAR
        CALL TRAN
        MOV DX,OFFSET STRING1
        MOV AH,09H
        INT 21H
        MOV DX,OFFSET STRING4
        MOV AH,09H
        INT 21H
        MOV AL,DIGITAL
        CALL TRAN
        MOV DX,OFFSET STRING2
        MOV AH,09H
        INT 21H
        MOV DX,OFFSET STRING4
        MOV AH,09H
        INT 21H
        MOV AL,OTHERS
        CALL TRAN
        MOV DX,OFFSET STRING3
        MOV AH,09H
        INT 21H
        MOV DX,OFFSET STRING4
        MOV AH,09H
        INT 21H
        MOV NUM,0
        MOV CHAR,0
        MOV DIGITAL,0
        MOV OTHERS,0
        MOV AH,4CH
	INT 21H
TRAN    PROC
        XOR AH,AH
        MOV BL,10
        DIV BL
        MOV STRING4[0],AL
        ADD STRING4[0],30H
        MOV STRING4[1],AH
        ADD STRING4[1],30H
        MOV STRING4[2],24H
        RET
TRAN    ENDP
COSEG	ENDS
	END START