fdad.asm

C51语言内嵌入汇编语句的程序实现

    
	
	org  0000h

  main:  mov  r1,#08h
         MOV  A  ,#0FEH
	start:  mov  P1,A
	        lcall delay				
			mov A,P1  
			RL A 				
			djnz r2, start
			sjmp  main 
			

			delay: mov r2,#	06h
			delay1:mov r3,#80h
			delay2:mov r4,#80h
			       djnz  r4,$
				   djnz  r3,delay2
				   djnz  r2, delay1
				   ret

				   end