From d8087660e60387beb392e349983e9778f24feb35 Mon Sep 17 00:00:00 2001
From: strotlog <49286967+strotlog@users.noreply.github.com>
Date: Thu, 24 Mar 2022 08:40:02 -0700
Subject: [PATCH] SM: remove SNIClient read of duplicative ROM name (#340)

---
 SNIClient.py          | 2 +-
 worlds/sm/__init__.py | 2 ++
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/SNIClient.py b/SNIClient.py
index 369e6e0d..843672aa 100644
--- a/SNIClient.py
+++ b/SNIClient.py
@@ -256,7 +256,7 @@ SHOP_LEN = (len(Shops.shop_table) * 3) + 5
 DEATH_LINK_ACTIVE_ADDR = ROMNAME_START + 0x15       # 1 byte
 
 # SM
-SM_ROMNAME_START = 0x1C4F00
+SM_ROMNAME_START = 0x007FC0
 
 SM_INGAME_MODES = {0x07, 0x09, 0x0b}
 SM_ENDGAME_MODES = {0x26, 0x27}
diff --git a/worlds/sm/__init__.py b/worlds/sm/__init__.py
index dee37537..b95ee635 100644
--- a/worlds/sm/__init__.py
+++ b/worlds/sm/__init__.py
@@ -312,6 +312,8 @@ class SMWorld(World):
         from Main import __version__
         self.romName = bytearray(f'SM{__version__.replace(".", "")[0:3]}_{self.player}_{self.world.seed:11}\0', 'utf8')[:21]
         self.romName.extend([0] * (21 - len(self.romName)))
+        # clients should read from 0x7FC0, the location of the rom title in the SNES header.
+        # duplicative ROM name at 0x1C4F00 is still written here for now, since people with archipelago pre-0.3.0 client installed will still be depending on this location for connecting to SM
         romPatcher.applyIPSPatch('ROMName', { 'ROMName':  {0x1C4F00 : self.romName, 0x007FC0 : self.romName} })