摘要：
data segment x dw 0 y dw 0 x1 dw 0 y1 dw 0 col dw 0 row dw 1 ser dw 1 data ends stack segment db 20 dup (?) stack ends code segment assume cs:code,ds:data,ss:stack start:mov ax,data mov ds,ax mov ah,1 int 21h and ax,0fh mov x,ax mov ah,1 int 21h and ax,0fh mov y,ax mov cx,y mov ax,640 mov dx,0 div x 阅读全文