busbusy.asm

共有 45 个程序源码

 mov  p1,#23h
 lcall  type
 ljmp  $
type:  mov  r4,#00h
typ10: mov  r5,#00h
typ11: jb  p1.3,bus
       inc  r5
       jb  p1.3,bus
       cjne  r5,#0ffh,typ11
       inc  r4
       jb  p1.3,bus
       cjne  r4,#8ch,typ10 
       ret
bus:   nop 
       jb  p1.3,type