io.asm

8951系列单片机仿真。包括流水灯、数码管、定时器、点阵、液晶等

			ORG 0 
START:	MOV R1,#00H 
NEXT:	MOV A,R1 
			MOV DPTR,#TABLE 
			MOVC A,@A+DPTR 
			MOV P0,A 
			LCALL DELAY 
			INC R1 
			CJNE R1,#10,NEXT 
			LJMP START 
DELAY:	MOV R5,#20 
D2:			MOV R6,#20 
D1:			MOV R7,#248 
			DJNZ R7,$ 
			DJNZ R6,D1 
			DJNZ R5,D2 
			RET 
TABLE:	DB 3FH,06H,5BH,4FH,66H,6DH,7DH,07H,7FH,6FH 
			END