map: Added docs for room traversal

diff --git a/src/map.s b/src/map.s
index dbd8d3d03e75963bc3ca99b639a3dcf6e35f8509..7f41102636bebd87a39d25bfa4e97a3066b2fc62 100644 (file)
--- a/src/map.s
+++ b/src/map.s
@@ -605,6 +605,8 @@ map_gen_next:
   ; returns:
   ;   a: direction 
   ; de/hl are preserved 
+  ; however de may be modified 
+  ; to point to a new 'previous' room 
 map_gen_pick_direction:
   push hl
   push de
@@ -641,9 +643,6 @@ map_gen_pick_direction:
 
   ; add both bytes of ptr 
   ; to check if its NULL
-  ; TODO: if direction is already taken we should 
-  ; follow it and pick again to get more naturally 
-  ; flowing dungeons 
   ld a, [hl+]
   ld e, a
   ld a, [hl]