From 4a2a637ba6f7713d101c6dbb8e3acfc3cb3ec6e5 Mon Sep 17 00:00:00 2001
From: Lukas Krickl <lukas@krickl.dev>
Date: Sat, 25 Jan 2025 06:51:52 +0100
Subject: [PATCH] map: Fixed de not being preserved when re-trying room door
 placement

---
 src/map.s | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/map.s b/src/map.s
index 24a6ce9..5849584 100644
--- a/src/map.s
+++ b/src/map.s
@@ -631,6 +631,9 @@ map_gen_pick_direction:
   ld hl, roomb_exits
   add hl, de ; hl = room exit struct 
 
+  ; de needs to be saved
+  push de
+
   add a, a ; a * 2 = ptr offset 
   ld d, 0
   ld e, a 
@@ -645,6 +648,7 @@ map_gen_pick_direction:
   ld e, a
   ld a, [hl]
   add a, e ; this must be 0 
+  pop de ; get de back before jumping :^)
   cp a, 0
   jr nz, @again REL
 
-- 
2.30.2