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SPU: Port reverb algorithm changes from Mednafen

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This commit is contained in:
Connor McLaughlin
2020-11-12 00:56:24 +10:00
parent 925bb7173f
commit 3f937a2a39
2 changed files with 81 additions and 114 deletions
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36
src/core/spu.h
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@ -1,8 +1,8 @@
#pragma once
#include "common/bitfield.h"
#include "common/fifo_queue.h"
#include "types.h"
#include "system.h"
#include "types.h"
#include <array>
#include <memory>
@ -293,28 +293,17 @@ private:
s16 IIR_COEF;
s16 FB_ALPHA;
s16 FB_X;
u16 IIR_DEST_A0;
u16 IIR_DEST_A1;
u16 ACC_SRC_A0;
u16 ACC_SRC_A1;
u16 ACC_SRC_B0;
u16 ACC_SRC_B1;
u16 IIR_SRC_A0;
u16 IIR_SRC_A1;
u16 IIR_DEST_B0;
u16 IIR_DEST_B1;
u16 ACC_SRC_C0;
u16 ACC_SRC_C1;
u16 ACC_SRC_D0;
u16 ACC_SRC_D1;
u16 IIR_SRC_B1;
u16 IIR_SRC_B0;
u16 MIX_DEST_A0;
u16 MIX_DEST_A1;
u16 MIX_DEST_B0;
u16 MIX_DEST_B1;
s16 IN_COEF_L;
s16 IN_COEF_R;
u16 IIR_DEST_A[2];
u16 ACC_SRC_A[2];
u16 ACC_SRC_B[2];
u16 IIR_SRC_A[2];
u16 IIR_DEST_B[2];
u16 ACC_SRC_C[2];
u16 ACC_SRC_D[2];
u16 IIR_SRC_B[2];
u16 MIX_DEST_A[2];
u16 MIX_DEST_B[2];
s16 IN_COEF[2];
};
u16 rev[NUM_REVERB_REGS];
@ -356,7 +345,6 @@ private:
u32 ReverbMemoryAddress(u32 address) const;
s16 ReverbRead(u32 address, s32 offset = 0);
void ReverbWrite(u32 address, s16 data);
void ComputeReverb();
void ProcessReverb(s16 left_in, s16 right_in, s32* left_out, s32* right_out);
void Execute(TickCount ticks);