From bc8168948fad89df4f0e0bf9d08d39e0fb536034 Mon Sep 17 00:00:00 2001
From: ekeeke31 <ekeeke31@fcb46045-4337-0410-a722-cd382f7ce8f6>
Date: Tue, 15 Sep 2009 14:17:04 +0000
Subject: [PATCH] fixed SRAM detection for Sonic 3 & Knuckles combined ROM

---
 source/cart_hw/sram.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/source/cart_hw/sram.c b/source/cart_hw/sram.c
index 74b41d3..9474eae 100644
--- a/source/cart_hw/sram.c
+++ b/source/cart_hw/sram.c
@@ -81,6 +81,15 @@ void sram_init()
     /* this prevents SRAM activation when using Sonic & Knuckles LOCK-ON feature */
     sram.on = 0;
   }
+  else if (strstr(rominfo.international,"SONIC & KNUCKLES") != NULL)
+  {
+    if (cart.romsize == 0x400000)
+    {
+      /* Sonic 3 & Knuckles */
+      /* the combined ROM has S&K header but should obviously use FRAM from Sonic the Hedgehog 3 */
+      sram.on = 1;
+    }
+  }
   else if (strstr(rominfo.product,"T-26013") != NULL)
   {
     /* Psy-O-Blade (bad header) */