added arith

ass1/arith.asm

@@ -0,0 +1,49 @@
+arith   START   0
+
+        . seštevek: sum = x + y
+        LDA     x
+        ADD     y
+        STA     sum
+
+        . razlika: diff = x - y
+        LDA     x
+        SUB     y
+        STA     diff
+
+        . produkt: prod = x * y
+        LDA     x
+        MUL     y
+        STA     prod
+
+        . količnik: quot = x / y
+        LDA     x
+        DIV     y           .
+        STA     quot
+
+        . ostanek: mod = x - y * (x / y)
+        STA     qtemp       
+
+        LDA     y
+        MUL     qtemp      
+        STA     prodtmp
+
+        LDA     x
+        SUB     prodtmp     
+        STA     mod
+
+HALT    J       HALT
+
+.data
+x       WORD    5
+y       WORD    2
+
+sum     RESW    1
+diff    RESW    1
+prod    RESW    1
+quot    RESW    1
+mod     RESW    1
+
+qtemp   RESW    1           
+prodtmp RESW    1          
+
+        END     arith