汇编-判断素数

data segment    Val dw 100      msg1 db 'Yes$'      msg2 db 'No$'  data ends  code segment      assume cs:code,ds:data  start:      mov ax,data      mov ds,ax      mov bx,Val    call judge      call crlf      mov ah,4ch      int 21h  judge proc near      mov cx,bx      sub cx,2       cmp bx,2      jle print1      mov dl,1  pri:      mov ax,bx      inc dl      div dl      cmp ah,0      jz print2      loop pri      jmp print1  print1:      mov ah,09h      lea dx,msg1      int 21h      ret  print2:      mov ah,09h      lea dx,msg2      int 21h       ret  judge endp  crlf proc near      mov dl,0dh      mov ah,02h      int 21h      mov dl,0ah      mov ah,02h      int 21h    ret  crlf endp  code ends      end start