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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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56
src/NDSCart.cpp
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@ -1164,23 +1164,23 @@ u8 CartRetailBT::SPIWrite(u8 val, u32 pos, bool last)
CartHomebrew::CartHomebrew(u8* rom, u32 len, u32 chipid) : CartCommon(rom, len, chipid)
{
test = nullptr;
if (Config::DLDIEnable)
//if (Config::DLDIEnable)
if (true)
{
ApplyDLDIPatch(melonDLDI, sizeof(melonDLDI));
test = new FATStorage();
SDFile = Platform::OpenLocalFile(/*Config::DLDISDPath*/"melonDLDI.bin", "r+b");
ApplyDLDIPatch(melonDLDI, sizeof(melonDLDI), true);
SD = new FATStorage();
SD->Open();
}
else
SDFile = nullptr;
SD = nullptr;
}
CartHomebrew::~CartHomebrew()
{
if (SDFile) fclose(SDFile);
if (test)
if (SD)
{
delete test;
SD->Close();
delete SD;
}
}
@ -1188,12 +1188,7 @@ void CartHomebrew::Reset()
{
CartCommon::Reset();
if (SDFile) fclose(SDFile);
if (Config::DLDIEnable)
SDFile = Platform::OpenLocalFile(/*Config::DLDISDPath*/"melonDLDI.bin", "r+b");
else
SDFile = nullptr;
// TODO??? something about the FATStorage thing?
}
void CartHomebrew::DoSavestate(Savestate* file)
@ -1226,13 +1221,7 @@ int CartHomebrew::ROMCommandStart(u8* cmd, u8* data, u32 len)
case 0xC0: // SD read
{
u32 sector = (cmd[1]<<24) | (cmd[2]<<16) | (cmd[3]<<8) | cmd[4];
u64 addr = sector * 0x200ULL;
//printf("SD READ: %08X, %p\n", sector, SDFile);
if (SDFile)
{
fseek(SDFile, addr, SEEK_SET);
fread(data, len, 1, SDFile);
}
if (SD) SD->ReadSectors(sector, len>>9, data);
}
return 0;
@ -1255,13 +1244,7 @@ void CartHomebrew::ROMCommandFinish(u8* cmd, u8* data, u32 len)
case 0xC1:
{
u32 sector = (cmd[1]<<24) | (cmd[2]<<16) | (cmd[3]<<8) | cmd[4];
u64 addr = sector * 0x200ULL;
if (SDFile)
{
fseek(SDFile, addr, SEEK_SET);
fwrite(data, len, 1, SDFile);
}
if (SD && true) SD->WriteSectors(sector, len>>9, data);
}
break;
@ -1270,7 +1253,7 @@ void CartHomebrew::ROMCommandFinish(u8* cmd, u8* data, u32 len)
}
}
void CartHomebrew::ApplyDLDIPatch(const u8* patch, u32 patchlen)
void CartHomebrew::ApplyDLDIPatch(const u8* patch, u32 patchlen, bool readonly)
{
u32 offset = *(u32*)&ROM[0x20];
u32 size = *(u32*)&ROM[0x2C];
@ -1387,6 +1370,19 @@ void CartHomebrew::ApplyDLDIPatch(const u8* patch, u32 patchlen)
memset(&binary[dldioffset+fixstart], 0, fixend-fixstart);
}
if (readonly)
{
// clear the can-write feature flag
binary[dldioffset+0x64] &= ~0x02;
// make writeSectors() return failure
u32 writesec_addr = *(u32*)&binary[dldioffset+0x74];
writesec_addr -= memaddr;
writesec_addr += dldioffset;
*(u32*)&binary[writesec_addr+0x00] = 0xE3A00000; // mov r0, #0
*(u32*)&binary[writesec_addr+0x04] = 0xE12FFF1E; // bx lr
}
printf("applied DLDI patch\n");
}