Adding missing setting for forcing sram

core/cart_hw/sram.c

@@ -41,6 +41,7 @@
 #include "../scrc32.h"
 
 T_SRAM sram;
+extern int cinterface_force_sram;
 
 /****************************************************************************
  * A quick guide to external RAM on the Genesis
@@ -210,11 +211,11 @@ void sram_init(void)
       /* this prevents backup RAM from being mapped in place of mirrored ROM when using S&K LOCK-ON feature */
       sram.on = 0;
     }
-
-    /* by default, enable backup RAM for ROM smaller than 2MB */
-    else if (cart.romsize <= 0x200000)
+    else if (cinterface_force_sram && cart.romsize <= 0x200000)
     {
-      /* 64KB static RAM mapped to $200000-$20ffff */
+      // by default, gpgx enables saveram for all rom no bigger than 2MB
+	  // we don't do that because it confuses ram searches and debugging, and adds extra baggage to savestates
+	  // but some games do need it, so allow that to be hacked in here
       sram.start = 0x200000;
       sram.end = 0x20ffff;
       sram.on = 1;