晶振12mhz,延时0.001秒.asm

51常用子程序-4.0M.zip

;;晶振12MHZ,延时0.001秒



DELAY:MOV 71H,#10
LOOP1:MOV 70H,#47
LOOP0:DJNZ 70H,LOOP0
      NOP 
      DJNZ 71H,LOOP1
      MOV 70H,#3
LOOP4:DJNZ 70H,LOOP4