added more floating point stubs

c64/basic/,stubs_math/b3a2.convert_Y_to_FAC1.s

@@ -0,0 +1,15 @@
+// #LAYOUT# STD *       #TAKE
+// #LAYOUT# *   BASIC_0 #TAKE
+// #LAYOUT# *   *       #IGNORE
+
+//
+// Math package - XXX
+//
+// - https://www.c64-wiki.com/wiki/BASIC-ROM
+// - https://sta.c64.org/cbm64basconv.html
+// - https://sourceforge.net/p/acme-crossass/code-0/38/tree/trunk/ACME_Lib/cbm/c64/float.a?force=True
+// - https://codebase64.org/doku.php?id=base:kernal_floating_point_mathematics
+//
+// XXX add name, label, documentation, implement, test
+
+	STUB_IMPLEMENTATION()