rcmos.asm

用汇编写的

code segment
     org 100h
     assume cs:code,ds:code
start: mov di,0
     mov cx,128
next: mov ax,di
     out 70h,al
     in al,71h
     mov buffer[di],al
     inc di
     loop next
     mov dx,offset fname
     mov ah,3dh
     mov al,01h
     int 21h
     mov bx,ax
     mov dx,offset buffer
     mov cx,128
     mov ah,40h
     int 21h
     mov ah,3eh
     int 21h
     mov ah,4ch
     int 21h
buffer db 128 dup(0)
fname  db 'cmos.txt',0
code   ends
       end start