//wir benutzen acht register....

DEFREG r0 = 0
DEFREG r1 = 1
DEFREG r2 = 2
DEFREG r3 = 3
DEFREG r4 = 4
DEFREG r5 = 5
DEFREG r6 = 6
DEFREG r7 = 7


//wir adressieren zwei Register mode-feld brauchen wir nicht..
DEFR2POS 0
DEFR1POS 3   
DEFMODPOS 6
DEFOPCPOS 10

// Steuerbefehle
DEFOPC nop      = 0     0x0001  //NMO
DEFOPC stop     = 1     0x0001  //NMO   
DEFOPC jsr      = 2     0x0002  //MA
DEFOPC ret      = 3     0x0001  //NMO                                                        getestet
DEFOPC bra      = 4     0x0002  //MA
DEFOPC beq      = 5     0x0002  //MA
DEFOPC bgt      = 6     0x0002  //MA
DEFOPC blt      = 7     0x0002  //MA
DEFOPC boo      = 8     0x0002  //MA
DEFOPC boc      = 9     0x0002  //MA

// Arithmetische Befehle
DEFOPC add     = 16     0x0050  //MRR, MRLIT
DEFOPC sub     = 17     0x0050  //MRR, MRLIT
DEFOPC multl   = 18     0x0050  //MRR, MRLIT
DEFOPC multh   = 19     0x0050  //MRR, MRLIT
DEFOPC div     = 20     0x0050  //MRR, MRLIT
DEFOPC mod     = 21     0x0050  //MRR, MRLIT
DEFOPC neg     = 22     0x0050  //MRR, MRLIT
DEFOPC comp    = 23     0x0050  //MRR, MRLIT

// Arithmetische Befehle
DEFOPC not     = 32     0x0050  //MRR, MRLIT
DEFOPC and     = 33     0x0050  //MRR, MRLIT
DEFOPC or      = 34     0x0050  //MRR, MRLIT
DEFOPC xor     = 37     0x0050  //MRR, MRLIT

// Transferbefehle
DEFOPC load    = 48     0x0170  //MRRI, MRA, MRLIT
DEFOPC store   = 49     0x0100  //MRRI


	ORG 0
 //       nop
	load	r7 STACK
	add	r7 #STACK
	load	r0 #0 		// Speicher fuer Ergebnis
	load	r1 #10		// Summieren bis n
	load	r2 #1        	// Ein zum subtrahieren
	jsr	SUM
	stop
SUM:
	add	r0 r1
	sub	r1 r2
	beq	FINISH
	jsr	SUM	
FINISH:
	ret

STACK:	     FCW      10		
	     FCW      0
	     FCW      0
	     FCW      0
  	     FCW      0