Disable BIOS when detecting SG-1000. Fix #132

Author: drhelius

src/GearsystemCore.cpp

@@ -126,8 +126,8 @@ void GearsystemCore::Init(GS_Color_Format pixelFormat)
 
     m_pixelFormat = pixelFormat;
 
-    m_pMemory = new Memory();
     m_pCartridge = new Cartridge();
+    m_pMemory = new Memory(m_pCartridge);
     m_pProcessor = new Processor(m_pMemory);
     m_pVideo = new Video(m_pMemory, m_pProcessor, m_pCartridge);
     m_pInput = new Input(m_pProcessor, m_pVideo);

src/Memory.cpp

@@ -22,9 +22,11 @@
 #include <fstream>
 #include "Memory.h"
 #include "Processor.h"
+#include "Cartridge.h"
 
-Memory::Memory()
+Memory::Memory(Cartridge* pCartridge)
 {
+    m_pCartridge = pCartridge;
     InitPointer(m_pProcessor);
     InitPointer(m_pMap);
     InitPointer(m_pCurrentMemoryRule);
@@ -303,6 +305,9 @@ void Memory::LoadBootroom(const char* szFilePath, bool gg)
 
 bool Memory::IsBootromEnabled()
 {
+    if (m_pCartridge->IsSG1000())
+        return false;
+
     return (m_bBootromSMSEnabled && m_bBootromSMSLoaded && !m_bGameGear) || (m_bBootromGGEnabled && m_bBootromGGLoaded && m_bGameGear);
 }
 

src/Memory.h

@@ -26,6 +26,7 @@
 #include <vector>
 
 class Processor;
+class Cartridge;
 
 class Memory
 {
@@ -61,7 +62,7 @@ class Memory
     };
 
 public:
-    Memory();
+    Memory(Cartridge* pCartridge);
     ~Memory();
     void SetProcessor(Processor* pProcessor);
     void Init();
@@ -104,6 +105,7 @@ class Memory
 
 private:
     Processor* m_pProcessor;
+    Cartridge* m_pCartridge;
     MemoryRule* m_pCurrentMemoryRule;
     MemoryRule* m_pBootromMemoryRule;
     u8* m_pMap;