XDEF	Growlights
	XREF	__SEG_END_SSTACK,grow_lights,PORT_T,PORT_S	
	
Growlights: ;push register and accumulator values for retention                   
            PSHA
            PSHB
            PSHD
            PSHX
            PSHY

            ;simply read the switches at T and output to LED's at S
            LDAA    PORT_T
            ;bit 3 is for the MOTOR
            ;ANDA    #%11110111
            STAA    PORT_S
    
Return:     ;restore registers and accumulators
            PULY
            PULX
            PULD
            PULB
            PULA
            
            RTS