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Added support for NAND saving in WarioWare D.I.Y. and Jam with the Band (#6)

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Also improved speed of creating save files
This commit is contained in:
Gericom
2025-12-28 13:18:30 +01:00
parent 64e020182a
commit 6d12399ba4
17 changed files with 409 additions and 27 deletions
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22
arm7/source/loader/DsiWareSaveArranger.cpp
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@@ -1,5 +1,6 @@
#include "common.h"
#include <string.h>
#include <algorithm>
#include <memory>
#include "DsiWareSaveArranger.h"
@@ -70,7 +71,7 @@ bool DsiWareSaveArranger::SetupDsiWareSaveFile(const TCHAR* savePath, u32 saveSi
if (f_lseek(file.get(), saveSize) != FR_OK ||
f_lseek(file.get(), 0) != FR_OK)
{
LOG_FATAL("Failed to create private save file\n");
LOG_FATAL("Failed to create DSiWare save file\n");
return false;
}
@@ -80,21 +81,28 @@ bool DsiWareSaveArranger::SetupDsiWareSaveFile(const TCHAR* savePath, u32 saveSi
if (f_write(file.get(), fatHeader.get(), sizeof(fat_header_t), &bytesWritten) != FR_OK ||
bytesWritten != sizeof(fat_header_t))
{
LOG_FATAL("Failed to format private save file\n");
LOG_FATAL("Failed to format DSiWare save file\n");
return false;
}
memset(fatHeader.get(), 0, 512);
fatHeader.reset();
while (f_tell(file.get()) < saveSize)
const u32 clearBufferSize = 32 * 1024;
auto clearBuffer = std::make_unique<u8[]>(clearBufferSize);
memset(clearBuffer.get(), 0, clearBufferSize);
u32 offset = f_tell(file.get());
while (offset < saveSize)
{
u32 bytesToWrite = std::min<u32>(saveSize - offset, clearBufferSize);
bytesWritten = 0;
if (f_write(file.get(), fatHeader.get(), 512, &bytesWritten) != FR_OK ||
bytesWritten != 512)
if (f_write(file.get(), clearBuffer.get(), bytesToWrite, &bytesWritten) != FR_OK ||
bytesWritten != bytesToWrite)
{
LOG_FATAL("Failed to format private save file\n");
LOG_FATAL("Failed to format DSiWare save file\n");
return false;
}
offset += bytesToWrite;
}
}