added more floating point stubs

c64/basic/,stubs_math/a9c4.convert_FAC1_to_INT.s

@@ -0,0 +1,21 @@
+// #LAYOUT# STD *       #TAKE
+// #LAYOUT# *   BASIC_0 #TAKE
+// #LAYOUT# *   *       #IGNORE
+
+//
+// Math package - subtract FAC1 to integer in memory
+//
+// Output:
+// - integer pointed by $49/$4A
+//
+// See also:
+// - https://sta.c64.org/cbm64basconv.html
+// - https://www.c64-wiki.com/wiki/BASIC-ROM
+//
+
+// XXX implement, test
+
+
+convert_FAC1_to_INT:
+
+	STUB_IMPLEMENTATION()