晶振12mhz,延时0.5秒.asm

常用子程序-61个-4.2M.rar

;;晶振12MHZ,延时0.5秒



DELAY:MOV 72H,#100
LOOP3:MOV 71H,#100
LOOP1:MOV 70H,#22
LOOP0:DJNZ 70H,LOOP0
      NOP 
      DJNZ 71H,LOOP1
      MOV 70H,#46
LOOP2:DJNZ 70H,LOOP2
      NOP
      DJNZ 72H,LOOP3
      MOV 70H,#48
LOOP4:DJNZ 70H,LOOP4