Allowing defining NTAB size

source/nesInstanceBase.hpp

@@ -106,6 +106,7 @@ class NESInstanceBase
   virtual void doHardReset() = 0;
   virtual std::string getCoreName() const = 0;
   virtual void *getInternalEmulatorPointer() = 0;
+  virtual void setNTABBlockSize(const size_t size) { };
 
   protected:
 

source/quickerNES/core/core.hpp

@@ -22,6 +22,7 @@ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
 #include "ppu/ppu.hpp"
 #include <cstdio>
 #include <string>
+#include <cstdint>
 #include <jaffarCommon/serializers/base.hpp>
 #include <jaffarCommon/deserializers/base.hpp>
 
@@ -84,6 +85,8 @@ class Core : private Cpu
 
   public:
 
+  size_t _NTABBlockSize = 0x1000;
+
   // Flags for lite state storage
   bool TIMEBlockEnabled = true;
   bool CPURBlockEnabled = true;
@@ -237,9 +240,7 @@ class Core : private Cpu
     // NTAB Block
     if (NTABBlockEnabled == true)
     {
-      size_t nametable_size = 0x1000;
-
-      const auto inputDataSize = nametable_size;
+      const auto inputDataSize = _NTABBlockSize;
       const auto inputData = (uint8_t *)ppu.impl->nt_ram;
       serializer.push(inputData, inputDataSize);
     }
@@ -360,10 +361,8 @@ class Core : private Cpu
     // NTAB Block
     if (NTABBlockEnabled == true)
     {
-      size_t nametable_size = 0x1000;
-
       const auto outputData = (uint8_t*) ppu.impl->nt_ram;
-      const auto inputDataSize = nametable_size;
+      const auto inputDataSize = _NTABBlockSize;
       deserializer.pop(outputData, inputDataSize);
     }
 
@@ -394,6 +393,8 @@ class Core : private Cpu
     if (sram_present) enable_sram(true);
   }
 
+void setNTABBlockSize(const size_t size) { _NTABBlockSize = size; }
+
 void enableStateBlock(const std::string& block)
 { 
    bool recognizedBlock = false;

source/quickerNES/core/emu.hpp

@@ -50,6 +50,7 @@ class Emu
 // Save emulator state variants
   void serializeState(jaffarCommon::serializer::Base& serializer) const { emu.serializeState(serializer); }
   void deserializeState(jaffarCommon::deserializer::Base& deserializer) { emu.deserializeState(deserializer); }
+  void setNTABBlockSize(const size_t size) { emu.setNTABBlockSize(size); }
   void enableStateBlock(const std::string& block) { emu.enableStateBlock(block); };
   void disableStateBlock(const std::string& block) { emu.disableStateBlock(block); };
 

source/quickerNES/nesInstance.hpp

@@ -48,6 +48,8 @@ class NESInstance final : public NESInstanceBase
     return serializer.getOutputSize();
   }
 
+  void setNTABBlockSize(const size_t size) override { _nes.setNTABBlockSize(size); }
+  
   protected:
 
   bool loadROMImpl(const uint8_t* romData, const size_t romSize) override