implemented several simple floating point routines

c64/basic/math/bbd0.mov_r_FAC1_VAR.s

@@ -0,0 +1,20 @@
+// #LAYOUT# STD *       #TAKE
+// #LAYOUT# *   BASIC_0 #TAKE
+// #LAYOUT# *   *       #IGNORE
+
+//
+// Math package - move FAC1 (rounds) to memory variable
+//
+// Input:
+// - FORPNT ($49/$4A) - variable address
+//
+// See also:
+// - https://www.c64-wiki.com/wiki/BASIC-ROM
+//
+
+mov_r_FAC1_VAR:
+
+	ldy #FORPNT+1
+	ldx #FORPNT+0
+
+	// FALLTROUGH to mov_r_FAC1_MEM