Arachnoid GLESv1.1 plugin. Compile and run (a bit glitchy and no frameskip) on the...

[mupen64plus-pandora.git] / source / mupen64plus-video-arachnoid / src / Memory.h

diff --git a/source/mupen64plus-video-arachnoid/src/Memory.h b/source/mupen64plus-video-arachnoid/src/Memory.h
new file mode 100755 (executable)
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+++ b/source/mupen64plus-video-arachnoid/src/Memory.h
@@ -0,0 +1,78 @@
+/******************************************************************************
+ * Arachnoid Graphics Plugin for Mupen64Plus
+ * http://bitbucket.org/wahrhaft/mupen64plus-video-arachnoid/
+ *
+ * Copyright (C) 2007 Kristofer Karlsson, Rickard Niklasson
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *****************************************************************************/
+
+#ifndef MEMORY_H_
+#define MEMORY_H_
+
+//*****************************************************************************
+//* Memory
+//! Handle RDRAM, Texture Memory and Segments
+//*****************************************************************************
+class Memory
+{
+public:
+
+    //Constructor / Destructor
+    Memory();
+    ~Memory();
+
+    //Initialize
+    bool initialize(unsigned char* RDRAM, unsigned char* DMEM);
+
+    //Get RDRAM
+
+    unsigned char*  getRDRAM(int address=0)                { return &m_RDRAM[address]; }
+    unsigned int*   getRDRAMint32()                        { return (unsigned int*)m_RDRAM; }
+    unsigned int    getRDRAMSize()                         { return m_RDRAMSize; }
+
+    //Get DMEM
+    unsigned char*  getDMEM(int address=0)                 { return &m_DMEM[address]; }
+
+    //Get Texture memory
+    static unsigned long long* getTextureMemory(int address=0) { return &m_TMEM[address]; }
+
+    //Get Segment adress
+    unsigned int getRDRAMAddress(unsigned int segmentAddress) 
+    {         
+        return (m_segments[(segmentAddress >> 24) & 0x0F] + (segmentAddress & 0x00FFFFFF)) & 0x00FFFFFF; 
+    }
+
+    void setSegment(unsigned int address, unsigned int value)
+    {
+        if ( address >= 16 ) {
+            //ERROR
+            return;
+        }
+
+        m_segments[address] = value;
+    }
+
+private:
+    
+    unsigned char*          m_RDRAM;          //!< Rambus Dynamic Random Access Memory
+    unsigned char*          m_DMEM;           //!< RSP Data Memory
+    static unsigned long long m_TMEM[512];    //!< Texture Memory        
+    unsigned int           m_segments[16];    //!< Temporary memory for storing segment values
+    unsigned int           m_RDRAMSize;       //!< Size of RDRAM
+
+};
+
+#endif