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More accurate mixing buffers initialization using parameters from command 00

This commit is contained in:
Pierre Bourdon 2012-11-14 12:08:41 +01:00
parent 24d430eba0
commit db46ccd175
1 changed files with 30 additions and 5 deletions
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35
Source/Core/Core/Src/HW/DSPHLE/UCodes/UCode_NewAX.cpp
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@ -232,13 +232,38 @@ static void ApplyUpdatesForMs(AXPB& pb, int curr_ms)
void CUCode_NewAX::SetupProcessing(u32 studio_addr)
{
// Initialize to 0. Real hardware initializes using values from studio_addr
// (to have volume ramps instead of 0), but we don't emulate this yet.
u16 studio_data[0x20];
(void)studio_addr;
for (u32 i = 0; i < 0x20; ++i)
studio_data[i] = HLEMemory_Read_U16(studio_addr + 2 * i);
memset(m_samples_left, 0, sizeof (m_samples_left));
memset(m_samples_right, 0, sizeof (m_samples_right));
// studio_data[0, 1, 2] are for left samples volume ramping
s32 left_init = (s32)((studio_data[0] << 16) | studio_data[1]);
s16 left_delta = (s16)studio_data[2];
if (!left_init)
memset(m_samples_left, 0, sizeof (m_samples_left));
else
{
for (u32 i = 0; i < 32 * 5; ++i)
{
m_samples_left[i] = left_init;
left_init -= left_delta;
}
}
// studio_data[3, 4, 5] are for right samples volume ramping
s32 right_init = (s32)((studio_data[0] << 16) | studio_data[1]);
s16 right_delta = (s16)studio_data[2];
if (!right_init)
memset(m_samples_right, 0, sizeof (m_samples_right));
else
{
for (u32 i = 0; i < 32 * 5; ++i)
{
m_samples_right[i] = right_init;
right_init -= right_delta;
}
}
}
void CUCode_NewAX::ProcessPBList(u32 pb_addr)