;=======================================================================
;Assembly Language Tutorial for the SX Microcontroller
;Program 13.1
;=======================================================================

		device	sx28l,oschs3
		device	turbo,stackx,optionx
		IRC_CAL	IRC_SLOW
		reset	start_point
		freq	50000000   		; 50 Mhz

		org	0
start_point
		mov	ra,#%1111
		mov	!ra,#%1110


; set threshold here $C = Schmitt $D = CMOS
  		mov 	m,#$C
		mov 	!rb,#%11111110
		mov 	m,#$F


; Here is where the action is!
mainloop
		movb 	ra.0,/rb.0
		jmp 	mainloop