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SPU: Stub out noise mode register

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This commit is contained in:
Connor McLaughlin 2019-10-20 18:41:35 +10:00
parent 33f1cf4fd4
commit b5f7fa2652
2 changed files with 31 additions and 0 deletions
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30
src/core/spu.cpp
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@ -9,6 +9,12 @@
#include <imgui.h> #include <imgui.h>
Log_SetChannel(SPU); Log_SetChannel(SPU);
// TODO:
// - Reverb
// - Noise
// - Volume Sweep
// - Pulse Modulation
SPU::SPU() = default; SPU::SPU() = default;
SPU::~SPU() = default; SPU::~SPU() = default;
@ -35,6 +41,7 @@ void SPU::Reset()
m_key_off_register = 0; m_key_off_register = 0;
m_endx_register = 0; m_endx_register = 0;
m_reverb_on_register = 0; m_reverb_on_register = 0;
m_noise_mode_register = 0;
m_ticks_carry = 0; m_ticks_carry = 0;
for (u32 i = 0; i < NUM_VOICES; i++) for (u32 i = 0; i < NUM_VOICES; i++)
@ -71,6 +78,7 @@ bool SPU::DoState(StateWrapper& sw)
sw.Do(&m_key_off_register); sw.Do(&m_key_off_register);
sw.Do(&m_endx_register); sw.Do(&m_endx_register);
sw.Do(&m_reverb_on_register); sw.Do(&m_reverb_on_register);
sw.Do(&m_noise_mode_register);
sw.Do(&m_ticks_carry); sw.Do(&m_ticks_carry);
for (u32 i = 0; i < NUM_VOICES; i++) for (u32 i = 0; i < NUM_VOICES; i++)
{ {
@ -123,6 +131,12 @@ u16 SPU::ReadRegister(u32 offset)
case 0x1F801D8E - SPU_BASE: case 0x1F801D8E - SPU_BASE:
return Truncate16(m_key_off_register >> 16); return Truncate16(m_key_off_register >> 16);
case 0x1F801D94 - SPU_BASE:
return Truncate16(m_noise_mode_register);
case 0x1F801D96 - SPU_BASE:
return Truncate16(m_noise_mode_register >> 16);
case 0x1F801D98 - SPU_BASE: case 0x1F801D98 - SPU_BASE:
return Truncate16(m_reverb_on_register); return Truncate16(m_reverb_on_register);
@ -277,6 +291,22 @@ void SPU::WriteRegister(u32 offset, u16 value)
} }
break; break;
case 0x1F801D94 - SPU_BASE:
{
Log_DebugPrintf("SPU noise mode register <- 0x%04X", ZeroExtend32(value));
m_system->Synchronize();
m_noise_mode_register = (m_noise_mode_register & 0xFFFF0000) | ZeroExtend32(value);
}
break;
case 0x1F801D96 - SPU_BASE:
{
Log_DebugPrintf("SPU noise mode register <- 0x%04X", ZeroExtend32(value));
m_system->Synchronize();
m_noise_mode_register = (m_noise_mode_register & 0x0000FFFF) | (ZeroExtend32(value) << 16);
}
break;
case 0x1F801D98 - SPU_BASE: case 0x1F801D98 - SPU_BASE:
{ {
Log_DebugPrintf("SPU reverb on register <- 0x%04X", ZeroExtend32(value)); Log_DebugPrintf("SPU reverb on register <- 0x%04X", ZeroExtend32(value));

1
src/core/spu.h
View file

@ -292,6 +292,7 @@ private:
u32 m_key_off_register = 0; u32 m_key_off_register = 0;
u32 m_endx_register = 0; u32 m_endx_register = 0;
u32 m_reverb_on_register = 0; u32 m_reverb_on_register = 0;
u32 m_noise_mode_register = 0;
TickCount m_ticks_carry = 0; TickCount m_ticks_carry = 0;