Add FINLOG

src/basic/math/FIN.s

@@ -50,11 +50,8 @@ FIN_loop:
     sbc #48             ; Convert to number
     sta FIN_DIGIT
     jsr mul10_FAC1
-    jsr mov_FAC1_FAC2
     lda FIN_DIGIT
-    jsr convert_A_to_FAC1
-    jsr add_FAC2_FAC1
-
+    jsr FINLOG
     lda FIN_DECFOUND    ; Have we passed the decimal sign?
     bpl FIN_next
     inc FIN_NUMDEC

src/basic/math/bd7e.FINLOG.s

@@ -4,15 +4,16 @@
 ;; #LAYOUT# *   *       #IGNORE
 
 ;
-; Math package - add an ASCII digit that has been converted to a signed integer to FAC1
+; Math package - add an ASCII digit in A that has been converted to a signed integer to FAC1
 ;
 ; See also:
 ; - [CM64] Computes Mapping the Commodore 64 - page 113
 ;
 
-; XXX implement, test
-
-
 FINLOG:
-
-	+STUB_IMPLEMENTATION
+    pha
+    jsr mov_FAC1_FAC2
+    pla
+    jsr convert_A_to_FAC1
+    jsr add_FAC2_FAC1
+    rts