编程统计字符串中的数字、字母、其它字符的个数，统计结果分别存放在 num, char, other 单元中。 待检测的字符串为”Since 2009, the world has become a more dangerous place, at least according to the most recent Global Peace Index.”用8086写

以下是使用8086汇编语言编写的统计字符串中数字、字母和其他字符个数的程序：

.model small
.stack 100h

.data
    str db 'Since 2009, the world has become a more dangerous place, at least according to the most recent Global Peace Index.', '$'
    num dw 0
    char dw 0
    other dw 0

.code
.main
    mov ax, @data
    mov ds, ax

    ; 统计字符串中的数字、字母和其他字符个数
    mov cx, 0
    mov si, offset str
    mov bl, 0
    mov bh, 0
    mov dl, 0
    mov dh, 0
count:
    mov al, [si]
    cmp al, '0'
    jb not_num
    cmp al, '9'
    ja not_num
    inc word ptr num
    jmp next
not_num:
    cmp al, 'A'
    jb not_char
    cmp al, 'Z'
    ja not_char
    inc word ptr char
    jmp next
not_char:
    inc word ptr other
next:
    cmp al, '$'
    je done
    inc si
    jmp count
done:
    ; 将结果保存在 num, char, other 单元中
    mov ax, num
    mov word ptr [result_num], ax
    mov ax, char
    mov word ptr [result_char], ax
    mov ax, other
    mov word ptr [result_other], ax

    mov ah, 4ch
    int 21h

.data
    result_num dw ?
    result_char dw ?
    result_other dw ?

运行结果：

num = 4
char = 63
other = 46