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Rework WriteD3 based on hardware testing

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xperia64 2022-06-09 18:32:21 -04:00 • committed by Tillmann Karras
parent 5d4b884e64
commit 05124b29be
1 changed files with 10 additions and 6 deletions
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16
Source/Core/Core/DSP/DSPAccelerator.cpp
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@ -45,16 +45,20 @@ void Accelerator::WriteD3(u16 value)
// Pikmin 2 Wii writes non-stop to 0x10008000-0x1000801f (non-zero values too)
// Zelda TP Wii writes non-stop to 0x10000000-0x1000001f (non-zero values too)
switch (m_sample_format)
// Writes only seem to be accepted when the upper most bit of the address is set
if (m_current_address & 0x80000000)
{
case 0xA: // u16 writes
// The format doesn't matter for D3 writes, all writes are u16 and the address is treated as if
// we are in a 16-bit format
WriteMemory(m_current_address * 2, value >> 8);
WriteMemory(m_current_address * 2 + 1, value & 0xFF);
m_current_address++;
break;
default:
ERROR_LOG_FMT(DSPLLE, "dsp_write_aram_d3() - unknown format {:#x}", m_sample_format);
break;
}
else
{
ERROR_LOG_FMT(DSPLLE,
"dsp_write_aram_d3() - tried to write to address {:#x} without high bit set",
m_current_address);
}
}