while(1) { if (BTN0 == 1) { LED = 0x55; } else { LED = 0xAA; } } while(1) { if (BTN0 == 1) { SEL = 0; ACC = 0x55; } else { SEL = 0; ACC = 0xAA; } } START: CC = 1; AIN = 1; ACC = BTN0; PC = ELSE; SEL = 0; ACC = 0x55; CC = 0; PC = START; ELSE: SEL = 0; ACC = 0xAA; CC = 0; PC = START;