汇编语言习题：在数据段中自定义一个以符号$结尾的字符串，前两个字符是字符串长度的十六进制表示，之后则是字符串的内容。另外，请在数据段中定义一个字节型变量Result，长度为3个字节，然后统计这个字符串中数字，字母，其他字符（即除数字、字母外的）的数量，并将结果依次存放到Result的三个字节中，然后按顺序以16进制方式打印。注意：字符串末尾的$不算在内。请写出完整代码

以下是汇编代码，适用于8086微处理器:

DATA SEGMENT
    STR DB "041AC"
    RESULT DB 0, 0, 0
DATA ENDS

CODE SEGMENT
    ASSUME CS:CODE, DS:DATA

START:
    MOV AX, DATA
    MOV DS, AX

    ; 统计数字
    MOV CX, 0
    MOV AL, '0'
    LEA SI, STR+2
    MOV BL, [SI]
    SUB BL, '0'
    MOV BH, 0
    ADD CX, BX
    INC SI
    DEC BL
    JCXZ NEXT
COUNT_DIGITS:
    CMP [SI], 0
    JE NEXT
    CMP [SI], AL
    JB SKIP1
    CMP [SI], '9'
    JA SKIP1
    INC CX
SKIP1:
    INC SI
    DEC BL
    JNZ COUNT_DIGITS

    ; 统计字母
    MOV CX, 0
    MOV AL, 'A'
    LEA SI, STR+2
COUNT_LETTERS:
    CMP [SI], 0
    JE NEXT
    CMP [SI], AL
    JB SKIP2
    CMP [SI], 'Z'
    JA CHECK_LOWER
    INC CX
CHECK_LOWER:
    CMP [SI], 'a'
    JB SKIP2
    CMP [SI], 'z'
    JA SKIP2
    INC CX
SKIP2:
    INC SI
    JMP COUNT_LETTERS

    ; 统计其他字符
    MOV CX, 0
    LEA SI, STR+2
COUNT_OTHERS:
    CMP [SI], 0
    JE NEXT
    CMP [SI], '0'
    JB SKIP3
    CMP [SI], '9'
    JA CHECK_UPPER
    JMP SKIP3
CHECK_UPPER:
    CMP [SI], 'A'
    JB SKIP3
    CMP [SI], 'Z'
    JA CHECK_LOWER2
    JMP SKIP3
CHECK_LOWER2:
    CMP [SI], 'a'
    JB SKIP3
    CMP [SI], 'z'
    JA INC_CX
    JMP SKIP3
INC_CX:
    INC CX
SKIP3:
    INC SI
    JMP COUNT_OTHERS

    ; 存储结果
NEXT:
    MOV AL, CH
    MOV [RESULT], AL
    MOV AL, CL
    MOV [RESULT+1], AL
    MOV AL, DL
    MOV [RESULT+2], AL

    ; 打印结果
    MOV AH, 02H
    MOV DL, [RESULT]
    ADD DL, '0'
    INT 21H
    MOV DL, [RESULT+1]
    ADD DL, '0'
    INT 21H
    MOV DL, [RESULT+2]
    ADD DL, '0'
    INT 21H

    ; 退出
    MOV AH, 4CH
    INT 21H
CODE ENDS
END START