Update mov_r_FAC1_TMP1

src/basic/math_mov/bbca.mov_r_FAC1_TMP1.s

@@ -3,6 +3,21 @@
 ;; #LAYOUT# *   BASIC_0 #TAKE
 ;; #LAYOUT# *   *       #IGNORE
 
-; Just a compatibility jump - our routine is longer than original one
+; This file is under the MIT license, it contains code released by Microsoft Corporation.
+; See LICENSE for more information.
 
-	jmp mov_r_FAC1_TMP1
+; Math package - store FAC1 (rounds) in TEMPF1
+;
+; This is verified to be identical to the original Microsoft implementation where it was named MOV1F.
+;
+; See also:
+; - https://www.c64-wiki.com/wiki/BASIC-ROM
+; - https://sta.c64.org/cbm64basconv.html
+;
+
+mov_r_FAC1_TMP1:
+
+    ldx #TEMPF1
+    ldy #0
+
+    beq mov_r_FAC1_MEM      ; Always branches

src/basic/math_mov/mov_r_FAC1_TMP1.s

@@ -1,18 +0,0 @@
-;; #LAYOUT# STD *       #TAKE
-;; #LAYOUT# *   BASIC_0 #TAKE
-;; #LAYOUT# *   *       #IGNORE
-
-;
-; Math package - store FAC1 (rounds) in TEMPF1
-;
-; See also:
-; - https://www.c64-wiki.com/wiki/BASIC-ROM
-; - https://sta.c64.org/cbm64basconv.html
-;
-
-mov_r_FAC1_TMP1:
-
-	ldy #$00
-	ldx #$5C
-
-	jmp mov_r_FAC1_MEM