MOV P1, #0FFh       ;ALLE LEDs AUS
LOOP:
SETB P1.1           ;LED3 aus
CLR P1.0            ;LED1 an
SETB P2.3           ;Taster gerückt
loop2:
JB P2.3, loop2
lock:
JNB P2.3, lock      ;Taster losgelassen

MOV A, #8 			;2 Sekunden
ACALL Delay         ;Delay

CPL P1.0            ;LED1 aus
CPL P1.2            ;LED5 an

MOV A, #12			;3 Sekunden
ACALL Delay			;Delay

CPL P1.2            ;LED5 aus
CPL P1.1            ;LED3 an

MOV A, #4			;1 Sekunde
ACALL Delay			;Delay
jmp LOOP

Delay:
MOV R1, A
runde1:
MOV R2, #250
runde2:
MOV R3, #250
runde3:
NOP
NOP
DJNZ R3,runde3
DJNZ R2,runde2
DJNZ R1,runde1
RET
end