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Controller: Always check for access byte

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This commit is contained in:
Albert Liu
2021-02-21 15:20:31 -08:00
parent 30bcf280d4
commit 329e8317b4
12 changed files with 100 additions and 39 deletions
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20
src/core/negcon.cpp
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@ -120,6 +120,18 @@ bool NeGcon::Transfer(const u8 data_in, u8* data_out)
switch (m_transfer_state)
{
case TransferState::Idle:
{
*data_out = 0xFF;
if (data_in == 0x01)
{
m_transfer_state = TransferState::Ready;
return true;
}
return false;
}
case TransferState::Ready:
{
if (data_in == 0x42)
{
@ -127,11 +139,9 @@ bool NeGcon::Transfer(const u8 data_in, u8* data_out)
m_transfer_state = TransferState::IDMSB;
return true;
}
else
{
*data_out = 0xFF;
return (data_in == 0x01);
}
*data_out = 0xFF;
return false;
}
case TransferState::IDMSB: