From: Lukas Krickl <lukas@krickl.dev>
Date: Sat, 19 Oct 2024 03:33:11 +0000 (+0200)
Subject: collision pointer loading
X-Git-Url: https://git.krickl.dev/?a=commitdiff_plain;h=e235b4fc5916713d3a4c0cfe4d969484ded4c28a;p=gbrg%2F.git

collision pointer loading
---

diff --git a/src/collision.s b/src/collision.s
index c602dc5..375043c 100644
--- a/src/collision.s
+++ b/src/collision.s
@@ -128,10 +128,21 @@ collision_tile:
   ld a, [hl] ; a = map flags row offset 
   add a, e ; row + x = position of tile in map 
 
-  ld d, 0
-  ld e, a ; de = tile offset 
+  push af
+
   ld hl, curr_room_flags ; hl = flags for currently loaded room 
+  ld a, [hl+] ; load curr room flags ptr
+  ld e, a 
+  ld a, [hl]
+  ld d, a ; de = flags pointer 
+
+  pop af
+  ld h, 0
+  ld l, a ; hl = tile offset 
   add hl, de ; hl + de 
+
+  ; hl = current tile flags 
+
   ld a, [hl] ; load flags
   ld d, a
   ld a, [ct_mask]