; **************************************************************
; * Produces a sinewave on a R/2R-network connected to PORTD   *
; * (C)2005 by avr-asm-tutorial.net                            *
; **************************************************************
;
.INCLUDE "8515def.inc"
;
; Register definitions
;
.DEF rmp = R16 ; Multipurpose register
;
; Start of program source code
;
	ldi rmp,0xFF ; Set all pins of port D to be output
	out DDRD,rmp
	ldi ZH,HIGH(2*SineTable) ; Point Z to Table in flash
	ldi ZL,LOW(2*SineTable)
	clr rmp
loop1:
	nop
	nop
	nop
loop2:
	lpm ; Read from table
	out PORTD,R0 ; Write value to port D
	adiw ZL,1 ; point to next value
	dec rmp ; End of Table reached
	brne loop1
	ldi ZH,HIGH(2*SineTable) ; Point Z to Table in flash
	ldi ZL,LOW(2*SineTable)
	rjmp loop2
;
; End of source code
;
; Include sinewave table
;
.INCLUDE "sine8_25.txt"
;
; End of program
;