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Prettified the checksum fix. Moved it to its own button. The rest of the manager is now unaltered.

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git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@677 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
John Peterson
2008-09-25 04:24:33 +00:00
parent b39f0240cb
commit 7d7b1b57ed
4 changed files with 60 additions and 18 deletions
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57
Source/Core/DolphinWX/Src/MemoryCards/GCMemcard.cpp
View File

@ -525,26 +525,10 @@ u32 GCMemcard::TestChecksums()
if(BE16(dir.CheckSum1)!=csum1) results |= 2;
if(BE16(dir.CheckSum2)!=csum2) results |= 2;
// ------------------------------------------------------------------------------------------
// Save the checksums we just calculated
dir.CheckSum1[0]=u8(csum1>>8);
dir.CheckSum1[1]=u8(csum1);
dir.CheckSum2[0]=u8(csum2>>8);
dir.CheckSum2[1]=u8(csum2);
// ------------------------------------------------------------------------------------------
calc_checksumsBE((u16*)&dir_backup,0xFFE,&csum1,&csum2);
if(BE16(dir_backup.CheckSum1)!=csum1) results |= 4;
if(BE16(dir_backup.CheckSum2)!=csum2) results |= 4;
// ------------------------------------------------------------------------------------------
// Save the checksums we just calculated
dir_backup.CheckSum1[0]=u8(csum1>>8);
dir_backup.CheckSum1[1]=u8(csum1);
dir_backup.CheckSum2[0]=u8(csum2>>8);
dir_backup.CheckSum2[1]=u8(csum2);
// ------------------------------------------------------------------------------------------
calc_checksumsBE((u16*)(((u8*)&bat)+4),0xFFE,&csum1,&csum2);
if(BE16(bat.CheckSum1)!=csum1) results |= 8;
if(BE16(bat.CheckSum2)!=csum2) results |= 8;
@ -556,6 +540,47 @@ u32 GCMemcard::TestChecksums()
return 0;
}
// ==========================================================================================
// Fix checksums - I'll begin with fixing Directory and Directory backup. Feel free to add the
// other blocks.
// ------------------------------------------------------------------------------------------
u32 GCMemcard::FixChecksums()
{
if(!mcdFile) return 0xFFFFFFFF;
u16 csum1=0,csum2=0;
u32 results = 0;
calc_checksumsBE((u16*)&dir,0xFFE,&csum1,&csum2);
if(BE16(dir.CheckSum1) != csum1) results |= 2;
if(BE16(dir.CheckSum2) != csum2) results |= 2;
// ------------------------------------------------------------------------------------------
// Save the values we just read
dir.CheckSum1[0]=u8(csum1>>8);
dir.CheckSum1[1]=u8(csum1);
dir.CheckSum2[0]=u8(csum2>>8);
dir.CheckSum2[1]=u8(csum2);
// ------------------------------------------------------------------------------------------
calc_checksumsBE((u16*)&dir_backup,0xFFE,&csum1,&csum2);
if(BE16(dir_backup.CheckSum1) != csum1) results |= 4;
if(BE16(dir_backup.CheckSum2) != csum2) results |= 4;
// ------------------------------------------------------------------------------------------
// Save the values we just read
dir_backup.CheckSum1[0]=u8(csum1>>8);
dir_backup.CheckSum1[1]=u8(csum1);
dir_backup.CheckSum2[0]=u8(csum2>>8);
dir_backup.CheckSum2[1]=u8(csum2);
// ------------------------------------------------------------------------------------------
return 0;
}
// ==========================================================================================
u32 GCMemcard::CopyFrom(GCMemcard& source, u32 index)
{
if(!mcdFile) return 0;

1
Source/Core/DolphinWX/Src/MemoryCards/GCMemcard.h
View File

@ -128,6 +128,7 @@ public:
bool IsOpen();
u32 TestChecksums();
u32 FixChecksums();
// get number of file entries in the directory
u32 GetNumFiles();