1 files changed, 87 insertions, 0 deletions
diff --git a/gearboy/src/Video.h b/gearboy/src/Video.h
new file mode 100644
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--- /dev/null
+++ b/gearboy/src/Video.h
@@ -0,0 +1,87 @@
+/*
+ * Gearboy - Nintendo Game Boy Emulator
+ * Copyright (C) 2012  Ignacio Sanchez
+
+ * 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 3 of the License, or
+ * 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, see http://www.gnu.org/licenses/
+ *
+ */
+
+#ifndef VIDEO_H
+#define	VIDEO_H
+
+#include "definitions.h"
+
+class Memory;
+class Processor;
+
+typedef u16 (*PaletteMatrix)[8][4][2];
+
+class Video
+{
+public:
+    Video(Memory* pMemory, Processor* pProcessor);
+    ~Video();
+    void Init();
+    void Reset(bool bCGB);
+    bool Tick(unsigned int &clockCycles, u16* pColorFrameBuffer, GB_Color_Format pixelFormat);
+    void EnableScreen();
+    void DisableScreen();
+    bool IsScreenEnabled() const;
+    const u8* GetFrameBuffer() const;
+    void UpdatePaletteToSpecification(bool background, u8 value);
+    void SetColorPalette(bool background, u8 value);
+    int GetCurrentStatusMode() const;
+    void ResetWindowLine();
+    void CompareLYToLYC();
+    u8 GetIRQ48Signal() const;
+    void SetIRQ48Signal(u8 signal);
+    void SaveState(std::ostream& stream);
+    void LoadState(std::istream& stream);
+    PaletteMatrix GetCGBBackgroundPalettes();
+    PaletteMatrix GetCGBSpritePalettes();
+
+private:
+    void ScanLine(int line);
+    void RenderBG(int line, int pixel);
+    void RenderWindow(int line);
+    void RenderSprites(int line);
+    void UpdateStatRegister();
+
+private:
+    Memory* m_pMemory;
+    Processor* m_pProcessor;
+    u8* m_pFrameBuffer;
+    u16* m_pColorFrameBuffer;
+    int* m_pSpriteXCacheBuffer;
+    u8* m_pColorCacheBuffer;
+    int m_iStatusMode;
+    int m_iStatusModeCounter;
+    int m_iStatusModeCounterAux;
+    int m_iStatusModeLYCounter;
+    int m_iScreenEnableDelayCycles;
+    int m_iStatusVBlankLine;
+    int m_iPixelCounter;
+    int m_iTileCycleCounter;
+    bool m_bScreenEnabled;
+    bool m_bCGB;
+    u16 m_CGBSpritePalettes[8][4][2];
+    u16 m_CGBBackgroundPalettes[8][4][2];
+    bool m_bScanLineTransfered;
+    int m_iWindowLine;
+    int m_iHideFrames;
+    u8 m_IRQ48Signal;
+    GB_Color_Format m_pixelFormat;
+};
+
+#endif	/* VIDEO_H */