mirror of
https://github.com/melonDS-emu/melonDS.git
synced 2025-07-26 07:39:56 -06:00
Custom path support (#1333)
also including: * getting rid of shitty strings * all new, cleaner ROM handling code * base for DSi savestates * GBA slot addons (for now, memory cart)
This commit is contained in:
Arisotura
176
src/NDS.cpp
176
src/NDS.cpp
@ -32,7 +32,6 @@
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#include "Wifi.h"
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#include "AREngine.h"
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#include "Platform.h"
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#include "NDSCart_SRAMManager.h"
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#include "FreeBIOS.h"
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#ifdef JIT_ENABLED
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@ -42,6 +41,9 @@
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#include "DSi.h"
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#include "DSi_SPI_TSC.h"
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#include "DSi_NWifi.h"
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#include "DSi_Camera.h"
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#include "DSi_DSP.h"
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namespace NDS
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@ -200,7 +202,6 @@ bool Init()
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DMAs[6] = new DMA(1, 2);
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DMAs[7] = new DMA(1, 3);
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if (!NDSCart_SRAMManager::Init()) return false;
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if (!NDSCart::Init()) return false;
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if (!GBACart::Init()) return false;
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if (!GPU::Init()) return false;
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@ -228,7 +229,6 @@ void DeInit()
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for (int i = 0; i < 8; i++)
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delete DMAs[i];
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NDSCart_SRAMManager::DeInit();
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NDSCart::DeInit();
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GBACart::DeInit();
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GPU::DeInit();
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@ -353,7 +353,28 @@ void InitTimings()
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// handled later: GBA slot, wifi
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}
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void SetupDirectBoot()
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bool NeedsDirectBoot()
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{
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if (ConsoleType == 1)
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{
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// for now, DSi mode requires original BIOS/NAND
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return false;
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}
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else
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{
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// internal BIOS does not support direct boot
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if (!Platform::GetConfigBool(Platform::ExternalBIOSEnable))
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return true;
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// DSi/3DS firmwares aren't bootable
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if (SPI_Firmware::GetFirmwareLength() == 0x20000)
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return true;
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return false;
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}
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}
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void SetupDirectBoot(std::string romname)
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{
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if (ConsoleType == 1)
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{
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@ -444,6 +465,8 @@ void SetupDirectBoot()
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ARM9->CP15Write(0x911, 0x00000020);
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}
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NDSCart::SetupDirectBoot(romname);
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ARM9->R[12] = NDSCart::Header.ARM9EntryAddress;
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ARM9->R[13] = 0x03002F7C;
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ARM9->R[14] = NDSCart::Header.ARM9EntryAddress;
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@ -542,7 +565,6 @@ void Reset()
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if (ConsoleType == 1)
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{
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DSi::LoadBIOS();
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DSi::LoadNAND();
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ARM9ClockShift = 2;
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MainRAMMask = 0xFFFFFF;
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@ -658,6 +680,11 @@ void Reset()
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AREngine::Reset();
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}
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void Start()
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{
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Running = true;
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}
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void Stop()
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{
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printf("Stopping: shutdown\n");
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@ -692,7 +719,14 @@ bool DoSavestate_Scheduler(Savestate* file)
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DivDone,
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SqrtDone,
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NULL
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DSi_SDHost::FinishRX,
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DSi_SDHost::FinishTX,
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DSi_NWifi::MSTimer,
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DSi_Camera::IRQ,
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DSi_Camera::Transfer,
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DSi_DSP::DSPCatchUpU32,
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nullptr
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};
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int len = Event_MAX;
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@ -702,7 +736,7 @@ bool DoSavestate_Scheduler(Savestate* file)
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{
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SchedEvent* evt = &SchedList[i];
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u32 funcid = -1;
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u32 funcid = 0xFFFFFFFF;
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if (evt->Func)
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{
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for (int j = 0; eventfuncs[j]; j++)
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@ -749,7 +783,7 @@ bool DoSavestate_Scheduler(Savestate* file)
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evt->Func = eventfuncs[funcid];
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}
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else
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evt->Func = NULL;
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evt->Func = nullptr;
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file->Var64(&evt->Timestamp);
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file->Var32(&evt->Param);
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@ -763,15 +797,26 @@ bool DoSavestate(Savestate* file)
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{
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file->Section("NDSG");
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// TODO:
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// * do something for bool's (sizeof=1)
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// * do something for 'loading DSi-mode savestate in DS mode' and vice-versa
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// * add IE2/IF2 there
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if (file->Saving)
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{
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u32 console = ConsoleType;
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file->Var32(&console);
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}
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else
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{
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u32 console;
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file->Var32(&console);
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if (console != ConsoleType)
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return false;
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}
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file->VarArray(MainRAM, 0x400000);
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file->VarArray(SharedWRAM, 0x8000);
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file->VarArray(MainRAM, MainRAMMaxSize);
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file->VarArray(SharedWRAM, SharedWRAMSize);
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file->VarArray(ARM7WRAM, ARM7WRAMSize);
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//file->VarArray(ARM9BIOS, 0x1000);
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//file->VarArray(ARM7BIOS, 0x4000);
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file->VarArray(ExMemCnt, 2*sizeof(u16));
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file->VarArray(ROMSeed0, 2*8);
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file->VarArray(ROMSeed1, 2*8);
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@ -781,6 +826,8 @@ bool DoSavestate(Savestate* file)
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file->VarArray(IME, 2*sizeof(u32));
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file->VarArray(IE, 2*sizeof(u32));
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file->VarArray(IF, 2*sizeof(u32));
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file->Var32(&IE2);
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file->Var32(&IF2);
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file->Var8(&PostFlag9);
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file->Var8(&PostFlag7);
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@ -825,11 +872,8 @@ bool DoSavestate(Savestate* file)
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file->Var64(&LastSysClockCycles);
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file->Var64(&FrameStartTimestamp);
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file->Var32(&NumFrames);
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if (file->IsAtleastVersion(7, 1))
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{
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file->Var32(&NumLagFrames);
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file->Bool32(&LagFrameFlag);
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}
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file->Var32(&NumLagFrames);
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file->Bool32(&LagFrameFlag);
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// TODO: save KeyInput????
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file->Var16(&KeyCnt);
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@ -860,13 +904,17 @@ bool DoSavestate(Savestate* file)
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ARM7->DoSavestate(file);
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NDSCart::DoSavestate(file);
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GBACart::DoSavestate(file);
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if (ConsoleType == 0)
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GBACart::DoSavestate(file);
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GPU::DoSavestate(file);
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SPU::DoSavestate(file);
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SPI::DoSavestate(file);
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RTC::DoSavestate(file);
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Wifi::DoSavestate(file);
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if (ConsoleType == 1)
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DSi::DoSavestate(file);
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if (!file->Saving)
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{
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GPU::SetPowerCnt(PowerControl9);
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@ -888,73 +936,59 @@ void SetConsoleType(int type)
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ConsoleType = type;
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}
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bool LoadROM(const u8* romdata, u32 filelength, const char *sram, bool direct)
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bool LoadCart(const u8* romdata, u32 romlen, const u8* savedata, u32 savelen)
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{
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if (NDSCart::LoadROM(romdata, filelength, sram, direct))
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{
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Running = true;
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return true;
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}
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else
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{
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printf("Failed to load ROM from archive\n");
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if (!NDSCart::LoadROM(romdata, romlen))
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return false;
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}
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if (savedata && savelen)
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NDSCart::LoadSave(savedata, savelen);
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return true;
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}
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bool LoadROM(const char* path, const char* sram, bool direct)
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void LoadSave(const u8* savedata, u32 savelen)
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{
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if (NDSCart::LoadROM(path, sram, direct))
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{
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Running = true;
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return true;
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}
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else
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{
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printf("Failed to load ROM %s\n", path);
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return false;
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}
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if (savedata && savelen)
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NDSCart::LoadSave(savedata, savelen);
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}
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bool LoadGBAROM(const char* path, const char* sram)
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void EjectCart()
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{
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if (GBACart::LoadROM(path, sram))
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{
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return true;
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}
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else
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{
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printf("Failed to load ROM %s\n", path);
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return false;
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}
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NDSCart::EjectCart();
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}
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bool LoadGBAROM(const u8* romdata, u32 filelength, const char *filename, const char *sram)
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bool CartInserted()
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{
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if (GBACart::LoadROM(romdata, filelength, sram))
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{
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return true;
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}
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else
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{
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printf("Failed to load ROM %s from archive\n", filename);
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return NDSCart::CartInserted;
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}
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bool LoadGBACart(const u8* romdata, u32 romlen, const u8* savedata, u32 savelen)
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{
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if (!GBACart::LoadROM(romdata, romlen))
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return false;
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}
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if (savedata && savelen)
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GBACart::LoadSave(savedata, savelen);
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return true;
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}
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void LoadGBAAddon(int type)
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{
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GBACart::LoadAddon(type);
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}
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void EjectGBACart()
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{
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GBACart::EjectCart();
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}
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void LoadBIOS()
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{
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Reset();
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Running = true;
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}
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void RelocateSave(const char* path, bool write)
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{
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printf("SRAM: relocating to %s (write=%s)\n", path, write?"true":"false");
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NDSCart::RelocateSave(path, write);
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}
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u64 NextTarget()
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{
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@ -1094,8 +1128,6 @@ u32 RunFrame()
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GPU3D::Timestamp-SysTimestamp);
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#endif
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SPU::TransferOutput();
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NDSCart::FlushSRAMFile();
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}
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// In the context of TASes, frame count is traditionally the primary measure of emulated time,
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@ -1234,10 +1266,10 @@ void MicInputFrame(s16* data, int samples)
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return SPI_TSC::MicInputFrame(data, samples);
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}
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int ImportSRAM(u8* data, u32 length)
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/*int ImportSRAM(u8* data, u32 length)
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{
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return NDSCart::ImportSRAM(data, length);
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}
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}*/
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void Halt()
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