Milestone 3.5, tiles and sprites both present on the screen. Also started breaking the code out into libraries for easier editing and maintenance.

include/math.S

@@ -0,0 +1,28 @@
+	;; Function : divide
+	;;
+	;; Divide the value in A by the value in Y
+	;; The dividend is returned in A
+	;; The modulus is returned in Y
+divide:
+	.invoke storeStackReturn
+        sta tempdivident        ;Stores divident
+	sty tempdivisor	        ;Stores divisor
+	lda #$00
+	sta tempdivresult         ;Clear result
+
+	ldy #$10        	;The loop is for 16-bit result
+_divide_loop:
+	asl tempdivident
+	rol			;Shift divisor in 1 bit
+	cmp tempdivisor         ;Check if fractional dividend is greater than divisor
+	bcc _divide_subloop
+	sbc tempdivisor 	;Substract (C is always set)
+_divide_subloop:
+	rol tempdivresult	;Shift result (1 if substation was done, 0 otherwise)
+	rol tempdivmodulus
+	dey
+	bne _divide_loop
+	lda tempdivresult
+	ldy tempdivmodulus
+	.invoke restoreStackReturn
+	RTS