;
; Adds two numbers a and b and places the result in c.
; The inputs are not modified.  The input and output values
; are at fixed addresses 6,7, and 8.
;
; Bennet Yee, cs30f, Oct 6, 1997.
;
; The equivalent C code is next to the assembler in the comments.
;
0		; start addr
9 9 1		;		0	subz scr,scr,nxt
9 6 2		;		1	subz scr,a,nxt		scr = -a
9 7 3		;		2	subz scr,b,nxt		scr -= b
8 8 4		;		3	subz c,c,nxt
8 9 5		;		4	subz c,scr,nxt		c = -scr
9 9 5		;		5	subz scr,scr,this -- terminate program
0 0 65535	;		6 a
0 1 3		;		7 b
0 0 0		;		8 c
0 0 0		;		9 scr