Add div_FAC2_MEM

src/basic/math/bb07.div_FAC2_MEM.s

@@ -0,0 +1,27 @@
+;; #LAYOUT# STD *       #TAKE
+;; #LAYOUT# X16 BASIC_0 #TAKE-OFFSET 2000
+;; #LAYOUT# *   BASIC_0 #TAKE
+;; #LAYOUT# *   *       #IGNORE
+
+; This file is under the MIT license, it contains code released by Microsoft Corporation.
+; See LICENSE for more information.
+
+; Math package - divide FAC2 by MEM
+;
+; This is verified to be identical to the original Microsoft implementation where it was named FDIVF.
+;
+; Input:
+; - .A - address low byte
+; - .Y - address high byte
+;
+; See also:
+; - [CM64] Computes Mapping the Commodore 64 - page 114
+; - https://www.c64-wiki.com/wiki/Floating_point_arithmetic
+; - https://codebase64.org/doku.php?id=base:kernal_floating_point_mathematics
+;
+
+div_FAC2_MEM:
+
+        stx	ARISGN
+	    jsr mov_MEM_FAC1
+	    jmp div_FAC2_FAC1