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Implement STOP_TRANSMISSION and APP_CMD SD_SEND_OP_COND

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Both of these are used by Pok›émon Channel.  However, Pokémon Channel actually DOES care about CRCs, so... yay.
This commit is contained in:
Pokechu22 2020-08-23 15:40:23 -07:00
parent 251c330c6d
commit c80c323a26
1 changed files with 17 additions and 4 deletions
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21
Source/Core/Core/HW/EXI/EXI_DeviceSD.cpp
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@ -57,7 +57,6 @@ u32 CEXISD::ImmRead(u32 size)
u8 byte = ReadByte();
res |= byte << (24 - (position++ * 8));
}
INFO_LOG_FMT(EXPANSIONINTERFACE, "Responding with {:08x}", res);
return res;
}
}
@ -123,8 +122,10 @@ void CEXISD::WriteByte(u8 byte)
}
else if (cmd[0] == 0x41) // SEND_OP_COND
{
// R1
response.push_back(0);
// Used by libogc for non-SDHC cards
bool hcs = cmd[1] & 0x40; // Host Capacity Support (for SDHC/SDXC cards)
(void)hcs;
response.push_back(0); // R1 - not idle
}
else if (cmd[0] == 0x48) // SEND_IF_COND
{
@ -265,6 +266,11 @@ void CEXISD::WriteByte(u8 byte)
response.push_back(0);
response.push_back(0);
}
else if (cmd[0] == 0x4c) // STOP_TRANSMISSION
{
response.push_back(0); // R1
// There can be further padding bytes, but it's not needed
}
else if (cmd[0] == 0x50) // SET_BLOCKLEN
{
response.push_back(0); // R1
@ -287,6 +293,13 @@ void CEXISD::WriteByte(u8 byte)
response.push_back(0);
response.push_back(0);
}
else if (cmd[0] == 0x69) // APP_CMD SD_SEND_OP_COND
{
// Used by Pokémon Channel for all cards, and libogc for SDHC cards
bool hcs = cmd[1] & 0x40; // Host Capacity Support (for SDHC/SDXC cards)
(void)hcs;
response.push_back(0); // R1 - not idle
}
else
{
// Don't know it
@ -300,7 +313,7 @@ u8 CEXISD::ReadByte()
{
if (response.empty())
{
WARN_LOG_FMT(EXPANSIONINTERFACE, "Attempted to read from empty SD queue");
// WARN_LOG_FMT(EXPANSIONINTERFACE, "Attempted to read from empty SD queue");
return 0xFF;
}
else