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wire up the new shit to the UI. also more fun shit.

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This commit is contained in:
Arisotura
2021-10-26 02:14:38 +02:00
parent b96b0297d4
commit 6cb2faff89
13 changed files with 477 additions and 147 deletions
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75
src/FATStorage.cpp
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@ -31,6 +31,8 @@ FATStorage::FATStorage()
//bool res = Build("dldi", 0x20000000, "melonDLDI.bin");
bool res = Build("dldi", 0x3F000000, "melonDLDI.bin");
printf("FATStorage result: %d\n", res);
File = nullptr;
}
FATStorage::~FATStorage()
@ -40,31 +42,70 @@ FATStorage::~FATStorage()
}
bool FATStorage::Open()
{
File = Platform::OpenLocalFile(FilePath.c_str(), "r+b");
if (!File)
{
File = nullptr;
return false;
}
}
void FATStorage::Close()
{
if (File) fclose(File);
File = nullptr;
}
u32 FATStorage::ReadSectors(u32 start, u32 num, u8* data)
{
return ReadSectorsInternal(File, FileSize, start, num, data);
}
u32 FATStorage::WriteSectors(u32 start, u32 num, u8* data)
{
return WriteSectorsInternal(File, FileSize, start, num, data);
}
FILE* FATStorage::FF_File;
u64 FATStorage::FF_FileSize;
UINT FATStorage::FF_ReadStorage(BYTE* buf, LBA_t sector, UINT num)
{
if (!FF_File) return 0;
return ReadSectorsInternal(FF_File, FF_FileSize, sector, num, buf);
}
u64 addr = sector * 0x200ULL;
UINT FATStorage::FF_WriteStorage(BYTE* buf, LBA_t sector, UINT num)
{
return WriteSectorsInternal(FF_File, FF_FileSize, sector, num, buf);
}
u32 FATStorage::ReadSectorsInternal(FILE* file, u64 filelen, u32 start, u32 num, u8* data)
{
if (!file) return 0;
u64 addr = start * 0x200ULL;
u32 len = num * 0x200;
if ((addr+len) > FF_FileSize)
if ((addr+len) > filelen)
{
if (addr >= FF_FileSize) return 0;
len = FF_FileSize - addr;
if (addr >= filelen) return 0;
len = filelen - addr;
num = len >> 9;
}
fseek(FF_File, addr, SEEK_SET);
fseek(file, addr, SEEK_SET);
u32 res = fread(buf, 0x200, num, FF_File);
u32 res = fread(data, 0x200, num, file);
if (res < num)
{
if (feof(FF_File))
if (feof(file))
{
memset(&buf[0x200*res], 0, 0x200*(num-res));
memset(&data[0x200*res], 0, 0x200*(num-res));
return num;
}
}
@ -72,23 +113,23 @@ UINT FATStorage::FF_ReadStorage(BYTE* buf, LBA_t sector, UINT num)
return res;
}
UINT FATStorage::FF_WriteStorage(BYTE* buf, LBA_t sector, UINT num)
u32 FATStorage::WriteSectorsInternal(FILE* file, u64 filelen, u32 start, u32 num, u8* data)
{
if (!FF_File) return 0;
if (!file) return 0;
u64 addr = sector * 0x200ULL;
u64 addr = start * 0x200ULL;
u32 len = num * 0x200;
if ((addr+len) > FF_FileSize)
if ((addr+len) > filelen)
{
if (addr >= FF_FileSize) return 0;
len = FF_FileSize - addr;
if (addr >= filelen) return 0;
len = filelen - addr;
num = len >> 9;
}
fseek(FF_File, addr, SEEK_SET);
fseek(file, addr, SEEK_SET);
u32 res = fwrite(buf, 0x200, num, FF_File);
u32 res = fwrite(data, 0x200, num, file);
return res;
}