[汇编] 将字符串里的一个'&'字符换成空格
1 ; multi-segment executable file template. 2 3 data segment 4 ; add your data here! 5 pkey db "press any key...$" 6 STRING DB 'The date is FEB&03$' 7 ends 8 9 stack segment 10 dw 128 dup(0) 11 ends 12 13 code segment 14 start: 15 ; set segment registers: 16 mov ax, data 17 mov ds, ax 18 mov es, ax 19 20 ; add your code here 21 mov cx,19 22 mov si,-1 23 mov al,'&' 24 25 NEXT: 26 inc si 27 cmp al,STRING[si] 28 loopne NEXT 29 je FOUND 30 FOUND: 31 mov STRING[si],20H 32 33 lea dx, STRING 34 mov ah, 9 35 int 21h ; output string at ds:dx 36 37 ; wait for any key.... 38 mov ah, 1 39 int 21h 40 41 mov ax, 4c00h ; exit to operating system. 42 int 21h 43 ends 44 45 end start ; set entry point and stop the assembler. 46 47 48