From b99c7349549b1a9597d13dcc25c264ab7ca3138c Mon Sep 17 00:00:00 2001
From: lordlou <87331798+lordlou@users.noreply.github.com>
Date: Thu, 28 Dec 2023 06:14:13 -0500
Subject: [PATCH] SM: strict rom validation fix (#2632)

added a more robust ROM tag validation to free oher games to use tag starting with "SM" followed by another letter (SMW, SMZ3, SMRPG, SMMR,...)
---
 worlds/sm/Client.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/worlds/sm/Client.py b/worlds/sm/Client.py
index df73ae47..756fd4bf 100644
--- a/worlds/sm/Client.py
+++ b/worlds/sm/Client.py
@@ -61,7 +61,7 @@ class SMSNIClient(SNIClient):
         from SNIClient import snes_buffered_write, snes_flush_writes, snes_read
 
         rom_name = await snes_read(ctx, SM_ROMNAME_START, ROMNAME_SIZE)
-        if rom_name is None or rom_name == bytes([0] * ROMNAME_SIZE) or rom_name[:2] != b"SM" or rom_name[:3] == b"SMW":
+        if rom_name is None or rom_name == bytes([0] * ROMNAME_SIZE) or rom_name[:2] != b"SM" or rom_name[2] not in b"1234567890":
             return False
 
         ctx.game = self.game