SW	 BIT P1.2
		ORG	 0H			
MAIN:
		MOV	 TMOD,#20H
		MOV	 TH1,#-6		
		MOV	 SCON,#50H
		SETB	 TR1
	   	SETB	 SW			
S1:		JNB	 SW,SLOWSP		
		MOV	 A,PCON 		
		SETB	 ACC.7		
		MOV	 PCON,A		
		SJMP	 OVER			
SLOWSP:	MOV	 A,PCON 		
		CLR	 ACC.7		
		MOV	 PCON,A		
OVER:		MOV	 DPTR,#MESS1	
FN:		CLR	 A
		MOVC	 A,@A+DPTR		
		JZ	 S1			
		ACALL	 SENDCOM		
		INC	 DPTR			
		SJMP	 FN			
SENDCOM:
		MOV	 SBUF,A		
HERE:		JNB	 TI,HERE		
		CLR	 TI			
		RET				
MESS1:	DB	"The Earth is but One Country",0
		END