p91.asm

王爽汇编语言的课件

assume cs:code
code segment
start:
mov ax,2000H;准备工作
mov ds,ax
mov bx,1000H
mov ax,00BEH
mov [bx],ax

mov ax,2000H;书中实验的代码
mov ds,ax
mov bx,1000H
mov ax,[bx]
inc bx
inc bx
mov [bx],ax
inc bx
inc bx
mov bx,ax
inc bx
mov [bx],al
inc bx
mov [bx],al

mov ax,4c00H
int 21H
code ends
end start