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Simplified emulator ROM decryption subroutine

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This commit is contained in:
Jack Andersen
2018-06-19 08:44:34 -10:00
parent 64dd7b1643
commit 73d48c9b41
2 changed files with 76 additions and 176 deletions
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4
NESEmulator/CNESEmulator.hpp
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@@ -70,8 +70,8 @@ private:
EPasswordEntryState x34_passwordEntryState = EPasswordEntryState::NotPasswordScreen;
bool x38_passwordPending = false;
u8 x39_passwordToNES[18];
static void DecompressROM(u8* dataIn, u8* dataOut, u32 dataOutLen = 0x20000, u8 descrambleSeed = 0xe9,
u32 checkDataLen = 0x1FFFC, u32 checksumMagic = 0xA663);
static void DecryptMetroid(u8* dataIn, u8* dataOut, u32 decLen = 0x20000, u8 decByte = 0xe9,
u32 xorLen = 0x1FFFC, u32 xorVal = 0xA663);
void InitializeEmulator();
void DeinitializeEmulator();
void NesEmuMainLoop(bool forceDraw = false);