migrated code to pragma-like ROM layout definitions

c64/basic/,stubs/a659.setcharptr.s

@@ -1,4 +1,7 @@
-#if ROM_LAYOUT_STD || (ROM_LAYOUT_M65 && SEGMENT_BASIC_0)
+// #LAYOUT# STD *       #TAKE
+// #LAYOUT# *   BASIC_0 #TAKE
+// #LAYOUT# *   *       #IGNORE
+
 
 // XXX provide documentation and implementation
 // see: https://www.lemon64.com/forum/viewtopic.php?t=64721&sid=bc400a5a6d404f8f092e4d32a92f5de7
@@ -6,6 +9,3 @@
 
 setcharptr:
     STUB_IMPLEMENTATION()
-
-
-#endif // ROM layout