From 5bff07b305e2ea027d50fdebe61a89100d8370cc Mon Sep 17 00:00:00 2001
From: bladeoner <bladeoner112@gmail.com>
Date: Fri, 27 Aug 2021 16:40:49 +0200
Subject: [PATCH] Snes9x - Add 128KByte SRAM support in cheats (#976)

---
 source/snes9x/cheats.cpp  | 2 +-
 source/snes9x/cheats.h    | 2 +-
 source/snes9x/cheats2.cpp | 4 ++--
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/source/snes9x/cheats.cpp b/source/snes9x/cheats.cpp
index fa99e33..0b54a0f 100644
--- a/source/snes9x/cheats.cpp
+++ b/source/snes9x/cheats.cpp
@@ -146,7 +146,7 @@ const char * S9xGameGenieToRaw (const char *code, uint32 &address, uint8 &byte)
 void S9xStartCheatSearch (SCheatData *d)
 {
 	memmove(d->CWRAM, d->RAM, 0x20000);
-	memmove(d->CSRAM, d->SRAM, 0x10000);
+	memmove(d->CSRAM, d->SRAM, 0x80000);
 	memmove(d->CIRAM, &d->FillRAM[0x3000], 0x2000);
 	memset((char *) d->ALL_BITS, 0xff, 0x32000 >> 3);
 }
diff --git a/source/snes9x/cheats.h b/source/snes9x/cheats.h
index 5ca819b..7fbabd7 100644
--- a/source/snes9x/cheats.h
+++ b/source/snes9x/cheats.h
@@ -33,7 +33,7 @@ struct SCheatData
 	std::vector<struct SCheatGroup> g;
 	bool8	enabled;
 	uint8	CWRAM[0x20000];
-	uint8	CSRAM[0x10000];
+	uint8	CSRAM[0x80000];
 	uint8	CIRAM[0x2000];
 	uint8	*RAM;
 	uint8	*FillRAM;
diff --git a/source/snes9x/cheats2.cpp b/source/snes9x/cheats2.cpp
index 1e0e01c..83a2969 100644
--- a/source/snes9x/cheats2.cpp
+++ b/source/snes9x/cheats2.cpp
@@ -62,7 +62,7 @@ static inline uint8 S9xGetByteFree (uint32 Address)
 
     case CMemory::MAP_HIROM_SRAM:
     case CMemory::MAP_RONLY_SRAM:
-        byte = *(Memory.SRAM + (((Address & 0x7fff) - 0x6000 + ((Address & 0xf0000) >> 3)) & Memory.SRAMMask));
+        byte = *(Memory.SRAM + (((Address & 0x7fff) - 0x6000 + ((Address & 0x1f0000) >> 3)) & Memory.SRAMMask));
         return (byte);
 
     case CMemory::MAP_BWRAM:
@@ -153,7 +153,7 @@ static inline void S9xSetByteFree (uint8 Byte, uint32 Address)
     case CMemory::MAP_HIROM_SRAM:
         if (Memory.SRAMMask)
         {
-            *(Memory.SRAM + (((Address & 0x7fff) - 0x6000 + ((Address & 0xf0000) >> 3)) & Memory.SRAMMask)) = Byte;
+            *(Memory.SRAM + (((Address & 0x7fff) - 0x6000 + ((Address & 0x1f0000) >> 3)) & Memory.SRAMMask)) = Byte;
             CPU.SRAMModified = TRUE;
         }
         return;