added multiplication by 10 routine, not yet tested

c64/basic/,stubs_math/bae2.interop

@@ -1,4 +0,0 @@
-This is an important floating point math routine, documented in many places.
-
-Example code utilizing this routine:
-- https://github.com/irmen/prog8/blob/master/compiler/res/prog8lib/c64flt.p8

c64/basic/,stubs_math/bae2.mul10_FAC1.s

@@ -1,18 +0,0 @@
-// #LAYOUT# STD *       #TAKE
-// #LAYOUT# X16 BASIC_0 #TAKE-OFFSET 2000
-// #LAYOUT# *   BASIC_0 #TAKE
-// #LAYOUT# *   *       #IGNORE
-
-//
-// Math package - multiply FAC1 by 10
-//
-// 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
-//
-
-// XXX provide implementation
-
-mul10_FAC1:
-	STUB_IMPLEMENTATION()