From 2284dc7f5568766f49b8033bbbaa0537a89558d8 Mon Sep 17 00:00:00 2001
From: trinemark <49107242+trinemark@users.noreply.github.com>
Date: Sat, 27 Apr 2019 20:11:17 -0500
Subject: [PATCH] libretro: add achievements

http://retroachievements.org/gameList.php?c=25
---
 src/emucore/M6532.hxx           |  7 +++++++
 src/libretro/StellaLIBRETRO.hxx |  4 ++--
 src/libretro/libretro.cxx       | 14 ++++++++++----
 3 files changed, 19 insertions(+), 6 deletions(-)

diff --git a/src/emucore/M6532.hxx b/src/emucore/M6532.hxx
index b57f3be2d..b551f4761 100644
--- a/src/emucore/M6532.hxx
+++ b/src/emucore/M6532.hxx
@@ -123,6 +123,13 @@ class M6532 : public Device
      */
     void updateEmulation();
 
+    /**
+      Get a pointer to the RAM contents.
+
+      @return  Pointer to RAM array.
+    */
+    uInt8* getRAM() { return myRAM; }
+
   private:
 
     void setTimerRegister(uInt8 data, uInt8 interval);
diff --git a/src/libretro/StellaLIBRETRO.hxx b/src/libretro/StellaLIBRETRO.hxx
index d7dfd17b3..9eb4a0369 100644
--- a/src/libretro/StellaLIBRETRO.hxx
+++ b/src/libretro/StellaLIBRETRO.hxx
@@ -62,8 +62,8 @@ class StellaLIBRETRO
     uInt32 getROMSize() { return rom_size; }
     uInt32 getROMMax() { return 512 * 1024; }
 
-    //uInt8* getRAM() { return myOSystem->console().system().m6532().getRAM(); }
-    //uInt32 getRAMSize() { return 128; }
+    uInt8* getRAM() { return myOSystem->console().system().m6532().getRAM(); }
+    uInt32 getRAMSize() { return 128; }
 
     size_t getStateSize();
 
diff --git a/src/libretro/libretro.cxx b/src/libretro/libretro.cxx
index 76b947410..779fb430b 100644
--- a/src/libretro/libretro.cxx
+++ b/src/libretro/libretro.cxx
@@ -613,8 +613,11 @@ void *retro_get_memory_data(unsigned id)
 {
   switch (id)
   {
-    //case RETRO_MEMORY_SYSTEM_RAM: return stella.getRAM();
-    default: return NULL;
+    case RETRO_MEMORY_SYSTEM_RAM:
+      return stella.getRAM();
+
+    default:
+      return NULL;
   }
 }
 
@@ -623,8 +626,11 @@ size_t retro_get_memory_size(unsigned id)
 {
   switch (id)
   {
-    //case RETRO_MEMORY_SYSTEM_RAM: return stella.getRAMSize();
-    default: return 0;
+    case RETRO_MEMORY_SYSTEM_RAM:
+      return stella.getRAMSize();
+
+    default:
+      return 0;
   }
 }