Inspired by #17

TO-DO-List.md

@@ -153,21 +153,29 @@ Contents:
    (i.e. target of a JSR) targets or "BWxxxx" for a self-modified instruction
    that is also branched to.
 
+ * Add support for address tables with split low/high parts (see the
+   A2-Amper-fdraw example's jumptabl/jumptabh for an example).  We could
+   display it the way we would a 16-bit jump table, then "unwrap" it
+   when generating assembly sources, but that's not necessary (and might
+   be confusing).  The key thing is to make it easier to declare that a
+   range of bytes contains 16-bit addresses when those bytes are
+   spread across two tables of equal size.
+
+
 ## Tier 2 ##
 
+ * Choose to stick with WinForms or switch to WPF.  WinForms is old and
+   on its way out, but has some support in Mono, potentially allowing
+   a single application binary to run on Linux, Mac OS X, and Windows.
+   Mono's official position is "no WPF", so if we switch we will need
+   some other portability strategy.  (Wine doesn't seem compatible with
+   the current implementation of SourceGen.)
+
  * Replace ListView with a custom control.  The standard Windows ListView
    is glitchy and has spectacularly poor performance when working with
    selections.  Sometimes fast movement with the scroll wheel gets
    rejected.
 
-  * Add support for jump tables with split low/high parts (see the
-    A2-Amper-fdraw example's jumptabl/jumptabh for an example).  We could
-    display it the way we would a 16-bit jump table, then "unwrap" it
-    when generating assembly sources, but that's not necessary (and might
-    be confusing).  The key thing is to make it easier to declare that a
-    range of bytes contains 16-bit addresses when those bytes are
-    spread across two tables of equal size.
-
  * Better support for 65816 code, especially multi-bank programs.
    * Add tabs to the code list, and use one tab per 64K bank.  This keeps
      the number of lines in the code list view to a manageable level, and