Merge pull request #2659 from MerryMage/dsp_dsp-correction

dsp_dsp: Messages are modified by service before being sent to DSP
master
bunnei 2017-04-13 10:43:13 +07:00 committed by GitHub
commit 6a72bd62b5
1 changed files with 18 additions and 0 deletions

@ -303,6 +303,24 @@ static void WriteProcessPipe(Service::Interface* self) {
message[i] = Memory::Read8(buffer + i);
}
// This behaviour was confirmed by RE.
// The likely reason for this is that games tend to pass in garbage at these bytes
// because they read random bytes off the stack.
switch (pipe) {
case DSP::HLE::DspPipe::Audio:
ASSERT(message.size() >= 4);
message[2] = 0;
message[3] = 0;
break;
case DSP::HLE::DspPipe::Binary:
ASSERT(message.size() >= 8);
message[4] = 1;
message[5] = 0;
message[6] = 0;
message[7] = 0;
break;
}
DSP::HLE::PipeWrite(pipe, message);
cmd_buff[0] = IPC::MakeHeader(0xD, 1, 0);