157 lines
2.9 KiB
C++
157 lines
2.9 KiB
C++
/*
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ActiveGS, Copyright 2004-2016 Olivier Goguel, https://github.com/ogoguel/ActiveGS
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Based on Kegs, Copyright 2004 Kent Dickey, https://kegs.sourceforge.net
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This code is covered by the GNU GPL licence
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*/
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#pragma once
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#include "defc.h"
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#include "StdString.h"
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enum
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{
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STATE_NONE=0,
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STATE_SAVE,
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STATE_RESTORE,
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STATE_REWIND,
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};
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#define SAVEDSTATE_SIG 0x02007ADE
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#ifdef _WIN32
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#pragma pack(push,PRAGMA_PACK_SIZE)
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#endif
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enum savedStateFlags
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{
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SAVESTATEFLAG_VIDEOSINGLEVLINE=1<<1,
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SAVESTATEFLAG_VIDEOSINGLEHLINE=1<<2
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};
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struct savedStateParam
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{
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int size;
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int version;
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double dcycs;
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int vbl;
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int memory_size;
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int rom;
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int flags;
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savedStateParam() {
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size = sizeof(savedStateParam);
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version = SAVEDSTATE_SIG;
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rom = 0;
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dcycs=0.0;
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flags = 0;
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#ifdef VIDEO_SINGLEVLINE
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flags |= SAVESTATEFLAG_VIDEOSINGLEVLINE;
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#endif
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#ifdef VIDEO_SINGLEHLINE
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flags |= SAVESTATEFLAG_VIDEOSINGLEHLINE;;
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#endif
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memory_size = -1;
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};
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} XCODE_PRAGMA_PACK;
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#ifdef _WIN32
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#pragma pack(pop)
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#endif
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class savedState
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{
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public:
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static int maxSize;
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serialize adb;
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serialize async_event;
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serialize clock;
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serialize iwm;
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serialize moremem;
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serialize paddles;
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serialize scc;
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serialize sim65816;
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serialize sound;
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serialize video;
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serialize offscreen;
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savedStateParam param;
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int fullsave;
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int fastalloc;
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int loadFromDiskInternal(const char* _filename);
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public:
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savedState();
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~savedState()
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{
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release();
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}
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void save(int _fullsave, int _usefastalloc);
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void writeToDisk(const char* _filename);
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int loadFromDisk(const char* _filename);
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void restore();
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void release();
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void display();
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int isEmpty() { return !param.vbl; };
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};
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#define NB_KEY_STATE 10
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#define NB_SCREEN_PER_STATE (2*60/VBL_DELAY_BETWEEN_SCREEN)
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#define VBL_DELAY_BETWEEN_SCREEN 2
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#define MAX_STATE (NB_KEY_STATE*NB_SCREEN_PER_STATE)
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#if !defined(DRIVER_IOS) && !defined(DRIVER_ANDROID)
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#define CACHE_SIZE (256*1024*1024)
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#endif
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class s_savestate
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{
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savedState states[MAX_STATE];
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int iNextState;
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int iCurState;
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word32 nextStateVBL;
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word32 nextScreenVBL;
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int targetStateSens;
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double lastrefreshcycs;
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byte* cache;
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int cachepos;
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int cachefree;
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int cacheSize;
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public:
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savedState state;
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MyString filename;
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int stateActionRequired;
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s_savestate();
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~s_savestate();
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void reset_rewind();
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void reset_state();
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void delete_state(int);
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void init();
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void shut();
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void saveState(const char* _filename);
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void restoreState(const char* _filename);
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// void saveStateToDisk(const char* _filename);
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// void restoreStateFromDisk(const char* _filename);
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int getSavedStateVBL();
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void handleState();
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void handleKey(int _key,int _isup);
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void* x_free(void*,int,int);
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void* x_malloc(int,int);
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int get_free_memory_size();
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};
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extern s_savestate g_savestate;
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