Fix broken div10_FAC1

Also add some unit tests for div_FAC1_FAC2

strings/842000000020

@@ -0,0 +1 @@
+The floating point constant 10.0 + fragment

strings/A2BB4C12BB

@@ -0,0 +1,3 @@
+$BBA2 + JMP $BB12
+
+Fragment of well known floating point function address + JMP to other well known floating point function

strings/A84CA2B34C

@@ -0,0 +1,3 @@
+TAY + JMP $B3A2 + JMP fragment
+
+Fragments + jump to well known floating point function