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audio_ucode2.cpp
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audio_ucode2.cpp
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extern "C" {
#include <string.h>
#include "audio_hle.h"
#include "usf.h"
#include "memory.h"
}
extern u8 BufferSpace[0x10000];
static void SPNOOP ()
{
char buff[0x100];
}
extern "C" {
extern u16 AudioInBuffer; // 0x0000(T8)
extern u16 AudioOutBuffer; // 0x0002(T8)
extern u16 AudioCount; // 0x0004(T8)
extern u32 loopval; // 0x0010(T8)
extern u32 SEGMENTS[0x10];
extern u16 adpcmtable[0x88];
extern u16 ResampleLUT [0x200];
}
bool isMKABI = false;
bool isZeldaABI = false;
#define PageRAM2(x) ((uintptr_t) (RDRAM + (x)))
#define memcpyfn64(a,b,c) memcpy((a),(void*)((uintptr_t)RDRAM + (uintptr_t)(b)),(c))
#define memcpy2n64(a,b,c) memcpy((void*)((uintptr_t)RDRAM + (uintptr_t)(a)),(b),(c))
static void LOADADPCM2 () // Loads an ADPCM table - Works 100% Now 03-13-01
{
u32 v0;
v0 = (inst2 & 0xffffff);// + SEGMENTS[(inst2>>24)&0xf];
for (u32 x = 0; x < ((inst1&0xffff)>>0x4); x++)
{
u16 *table = (u16*)PageRAM2(v0+(x*16));
adpcmtable[0x1+(x<<3)] = table[0];
adpcmtable[0x0+(x<<3)] = table[1];
adpcmtable[0x3+(x<<3)] = table[2];
adpcmtable[0x2+(x<<3)] = table[3];
adpcmtable[0x5+(x<<3)] = table[4];
adpcmtable[0x4+(x<<3)] = table[5];
adpcmtable[0x7+(x<<3)] = table[6];
adpcmtable[0x6+(x<<3)] = table[7];
// table += 8;
}
}
static void SETLOOP2 ()
{
loopval = inst2 & 0xffffff; // No segment?
}
static void SETBUFF2 ()
{
AudioInBuffer = (u16)(inst1); // 0x00
AudioOutBuffer = (u16)((inst2 >> 0x10)); // 0x02
AudioCount = (u16)(inst2); // 0x04
}
static void ADPCM2 () // Verified to be 100% Accurate...
{
unsigned char Flags=(u8)(inst1>>16)&0xff;
//WORD Gain=(u16)(inst1&0xffff);
unsigned int Address=(inst2 & 0xffffff);// + SEGMENTS[(inst2>>24)&0xf];
unsigned short inPtr=0;
//short *out=(s16 *)(testbuff+(AudioOutBuffer>>2));
short *out=(short *)(BufferSpace+AudioOutBuffer);
//BYTE *in=(unsigned char *)(BufferSpace+AudioInBuffer);
short count=(short)AudioCount;
unsigned char icode;
unsigned char code;
int vscale;
unsigned short index;
unsigned short j;
int a[8];
short *book1,*book2;
u8 srange;
u8 inpinc;
u8 mask1;
u8 mask2;
u8 shifter;
memset(out,0,32);
if (Flags & 0x4) // Tricky lil Zelda MM and ABI2!!! hahaha I know your secrets! :DDD
{
srange = 0xE;
inpinc = 0x5;
mask1 = 0xC0;
mask2 = 0x30;
shifter = 10;
}
else
{
srange = 0xC;
inpinc = 0x9;
mask1 = 0xf0;
mask2 = 0x0f;
shifter = 12;
}
if(!(Flags&0x1))
{
if(Flags&0x2)
{
/*
for(int i=0;i<16;i++)
{
out[i]=*(short *)&rsp.RDRAM[(loopval+i*2)^2];
}*/
// orig memcpyfn64((u8 *)out,(u8 *)loopval,32);
memcpyfn64(out,(uintptr_t)loopval,32);
}
else
{
/*
for(int i=0;i<16;i++)
{
out[i]=*(short *)&rsp.RDRAM[(Address+i*2)^2];
}*/
// orig memcpyfn64((u8 *)out,(u8 *)Address,32);
memcpyfn64(out,(uintptr_t)Address,32);
}
}
int l1=out[15];
int l2=out[14];
int inp1[8];
int inp2[8];
out+=16;
while(count>0)
{
code=BufferSpace[(AudioInBuffer+inPtr)^3];
index=code&0xf;
index<<=4;
book1=(short *)&adpcmtable[index];
book2=book1+8;
code>>=4;
vscale=(0x8000>>((srange-code)-1));
inPtr++;
j=0;
while(j<8)
{
icode=BufferSpace[(AudioInBuffer+inPtr)^3];
inPtr++;
inp1[j]=(s16)((icode&mask1) << 8); // this will in effect be signed
if(code<srange) inp1[j]=((int)((int)inp1[j]*(int)vscale)>>16);
//else int catchme=1;
j++;
inp1[j]=(s16)((icode&mask2)<<shifter);
if(code<srange) inp1[j]=((int)((int)inp1[j]*(int)vscale)>>16);
//else int catchme=1;
j++;
if (Flags & 4)
{
inp1[j]=(s16)((icode&0xC) << 12); // this will in effect be signed
if(code < 0xE) inp1[j]=((int)((int)inp1[j]*(int)vscale)>>16);
//else int catchme=1;
j++;
inp1[j]=(s16)((icode&0x3) << 14);
if(code < 0xE) inp1[j]=((int)((int)inp1[j]*(int)vscale)>>16);
//else int catchme=1;
j++;
} // end flags
} // end while
j=0;
while(j<8)
{
icode=BufferSpace[(AudioInBuffer+inPtr)^3];
inPtr++;
inp2[j]=(s16)((icode&mask1) << 8);
if(code<srange) inp2[j]=((int)((int)inp2[j]*(int)vscale)>>16);
//else int catchme=1;
j++;
inp2[j]=(s16)((icode&mask2)<<shifter);
if(code<srange) inp2[j]=((int)((int)inp2[j]*(int)vscale)>>16);
//else int catchme=1;
j++;
if (Flags & 4)
{
inp2[j]=(s16)((icode&0xC) << 12);
if(code < 0xE) inp2[j]=((int)((int)inp2[j]*(int)vscale)>>16);
//else int catchme=1;
j++;
inp2[j]=(s16)((icode&0x3) << 14);
if(code < 0xE) inp2[j]=((int)((int)inp2[j]*(int)vscale)>>16);
//else int catchme=1;
j++;
} // end flags
}
a[0]= (int)book1[0]*(int)l1;
a[0]+=(int)book2[0]*(int)l2;
a[0]+=(int)inp1[0]*(int)2048;
a[1] =(int)book1[1]*(int)l1;
a[1]+=(int)book2[1]*(int)l2;
a[1]+=(int)book2[0]*inp1[0];
a[1]+=(int)inp1[1]*(int)2048;
a[2] =(int)book1[2]*(int)l1;
a[2]+=(int)book2[2]*(int)l2;
a[2]+=(int)book2[1]*inp1[0];
a[2]+=(int)book2[0]*inp1[1];
a[2]+=(int)inp1[2]*(int)2048;
a[3] =(int)book1[3]*(int)l1;
a[3]+=(int)book2[3]*(int)l2;
a[3]+=(int)book2[2]*inp1[0];
a[3]+=(int)book2[1]*inp1[1];
a[3]+=(int)book2[0]*inp1[2];
a[3]+=(int)inp1[3]*(int)2048;
a[4] =(int)book1[4]*(int)l1;
a[4]+=(int)book2[4]*(int)l2;
a[4]+=(int)book2[3]*inp1[0];
a[4]+=(int)book2[2]*inp1[1];
a[4]+=(int)book2[1]*inp1[2];
a[4]+=(int)book2[0]*inp1[3];
a[4]+=(int)inp1[4]*(int)2048;
a[5] =(int)book1[5]*(int)l1;
a[5]+=(int)book2[5]*(int)l2;
a[5]+=(int)book2[4]*inp1[0];
a[5]+=(int)book2[3]*inp1[1];
a[5]+=(int)book2[2]*inp1[2];
a[5]+=(int)book2[1]*inp1[3];
a[5]+=(int)book2[0]*inp1[4];
a[5]+=(int)inp1[5]*(int)2048;
a[6] =(int)book1[6]*(int)l1;
a[6]+=(int)book2[6]*(int)l2;
a[6]+=(int)book2[5]*inp1[0];
a[6]+=(int)book2[4]*inp1[1];
a[6]+=(int)book2[3]*inp1[2];
a[6]+=(int)book2[2]*inp1[3];
a[6]+=(int)book2[1]*inp1[4];
a[6]+=(int)book2[0]*inp1[5];
a[6]+=(int)inp1[6]*(int)2048;
a[7] =(int)book1[7]*(int)l1;
a[7]+=(int)book2[7]*(int)l2;
a[7]+=(int)book2[6]*inp1[0];
a[7]+=(int)book2[5]*inp1[1];
a[7]+=(int)book2[4]*inp1[2];
a[7]+=(int)book2[3]*inp1[3];
a[7]+=(int)book2[2]*inp1[4];
a[7]+=(int)book2[1]*inp1[5];
a[7]+=(int)book2[0]*inp1[6];
a[7]+=(int)inp1[7]*(int)2048;
for(j=0; j<8; j++)
{
a[j^1]>>=11;
if(a[j^1]>32767)
{
a[j^1]=32767;
}
else if(a[j^1]<-32768)
{
a[j^1]=-32768;
}
*(out++)=a[j^1];
}
l1=a[6];
l2=a[7];
a[0]= (int)book1[0]*(int)l1;
a[0]+=(int)book2[0]*(int)l2;
a[0]+=(int)inp2[0]*(int)2048;
a[1] =(int)book1[1]*(int)l1;
a[1]+=(int)book2[1]*(int)l2;
a[1]+=(int)book2[0]*inp2[0];
a[1]+=(int)inp2[1]*(int)2048;
a[2] =(int)book1[2]*(int)l1;
a[2]+=(int)book2[2]*(int)l2;
a[2]+=(int)book2[1]*inp2[0];
a[2]+=(int)book2[0]*inp2[1];
a[2]+=(int)inp2[2]*(int)2048;
a[3] =(int)book1[3]*(int)l1;
a[3]+=(int)book2[3]*(int)l2;
a[3]+=(int)book2[2]*inp2[0];
a[3]+=(int)book2[1]*inp2[1];
a[3]+=(int)book2[0]*inp2[2];
a[3]+=(int)inp2[3]*(int)2048;
a[4] =(int)book1[4]*(int)l1;
a[4]+=(int)book2[4]*(int)l2;
a[4]+=(int)book2[3]*inp2[0];
a[4]+=(int)book2[2]*inp2[1];
a[4]+=(int)book2[1]*inp2[2];
a[4]+=(int)book2[0]*inp2[3];
a[4]+=(int)inp2[4]*(int)2048;
a[5] =(int)book1[5]*(int)l1;
a[5]+=(int)book2[5]*(int)l2;
a[5]+=(int)book2[4]*inp2[0];
a[5]+=(int)book2[3]*inp2[1];
a[5]+=(int)book2[2]*inp2[2];
a[5]+=(int)book2[1]*inp2[3];
a[5]+=(int)book2[0]*inp2[4];
a[5]+=(int)inp2[5]*(int)2048;
a[6] =(int)book1[6]*(int)l1;
a[6]+=(int)book2[6]*(int)l2;
a[6]+=(int)book2[5]*inp2[0];
a[6]+=(int)book2[4]*inp2[1];
a[6]+=(int)book2[3]*inp2[2];
a[6]+=(int)book2[2]*inp2[3];
a[6]+=(int)book2[1]*inp2[4];
a[6]+=(int)book2[0]*inp2[5];
a[6]+=(int)inp2[6]*(int)2048;
a[7] =(int)book1[7]*(int)l1;
a[7]+=(int)book2[7]*(int)l2;
a[7]+=(int)book2[6]*inp2[0];
a[7]+=(int)book2[5]*inp2[1];
a[7]+=(int)book2[4]*inp2[2];
a[7]+=(int)book2[3]*inp2[3];
a[7]+=(int)book2[2]*inp2[4];
a[7]+=(int)book2[1]*inp2[5];
a[7]+=(int)book2[0]*inp2[6];
a[7]+=(int)inp2[7]*(int)2048;
for(j=0; j<8; j++)
{
a[j^1]>>=11;
if(a[j^1]>32767)
{
a[j^1]=32767;
}
else if(a[j^1]<-32768)
{
a[j^1]=-32768;
}
*(out++)=a[j^1];
}
l1=a[6];
l2=a[7];
count-=32;
}
out-=16;
// orig memcpy2n64((u8 *)Address,(u8 *)out,32);
memcpy2n64((uintptr_t)Address,out,32);
}
static void CLEARBUFF2 ()
{
u16 addr = (u16)(inst1 & 0xffff);
u16 count = (u16)(inst2 & 0xffff);
if (count > 0)
{
memset(BufferSpace+addr, 0, count);
}
}
static void LOADBUFF2 () // Needs accuracy verification...
{
u32 v0;
u32 cnt = (((inst1 >> 0xC)+3)&0xFFC);
v0 = (inst2 & 0xfffffc);// + SEGMENTS[(inst2>>24)&0xf];
// orig memcpyfn64 ((u8 *)BufferSpace+(inst1&0xfffc), (u8 *)v0, (cnt+3)&0xFFFC);
memcpyfn64 ((u8 *)BufferSpace+(inst1&0xfffc), (uintptr_t)v0, (cnt+3)&0xFFFC);
}
static void SAVEBUFF2 () // Needs accuracy verification...
{
u32 v0;
u32 cnt = (((inst1 >> 0xC)+3)&0xFFC);
v0 = (inst2 & 0xfffffc);// + SEGMENTS[(inst2>>24)&0xf];
// orig memcpy2n64 ((u8 *)v0, (u8 *)BufferSpace+(inst1&0xfffc), (cnt+3)&0xFFFC);
memcpy2n64 ((uintptr_t)v0, (u8 *)BufferSpace+(inst1&0xfffc), (cnt+3)&0xFFFC);
}
static void MIXER2 () // Needs accuracy verification...
{
u16 dmemin = (u16)(inst2 >> 0x10);
u16 dmemout = (u16)(inst2 & 0xFFFF);
u32 count = ((inst1 >> 12) & 0xFF0);
s32 gain = (s16)(inst1 & 0xFFFF)*2;
s32 temp;
for (unsigned int x=0; x < count; x+=2) // I think I can do this a lot easier
{
temp = (*(s16 *)(BufferSpace+dmemin+x) * gain) >> 16;
temp += *(s16 *)(BufferSpace+dmemout+x);
if ((s32)temp > 32767)
{
temp = 32767;
}
if ((s32)temp < -32768)
{
temp = -32768;
}
*(u16 *)(BufferSpace+dmemout+x) = (u16)(temp & 0xFFFF);
}
}
static void RESAMPLE2 ()
{
unsigned char Flags=(u8)((inst1>>16)&0xff);
unsigned int Pitch=((inst1&0xffff))<<1;
u32 addy = (inst2 & 0xffffff);// + SEGMENTS[(inst2>>24)&0xf];
unsigned int Accum=0;
unsigned int location;
s16 *lut;
short *dst;
s16 *src;
dst=(short *)(BufferSpace);
src=(s16 *)(BufferSpace);
u32 srcPtr=(AudioInBuffer/2);
u32 dstPtr=(AudioOutBuffer/2);
s32 temp;
s32 accum;
if (addy > (1024*1024*8))
{
addy = (inst2 & 0xffffff);
}
srcPtr -= 4;
if ((Flags & 0x1) == 0)
{
for (int x=0; x < 4; x++)
{
src[(srcPtr+x)^1] = *(u16*)(PageRAM2(addy+(x^1)));
}
Accum = *(u16 *)(PageRAM2(addy+10));
}
else
{
for (int x=0; x < 4; x++)
{
src[(srcPtr+x)^1] = 0; //*(u16 *)(rsp.RDRAM+((addy+x)^2));
}
}
for(int i=0; i < ((AudioCount+0xf)&0xFFF0)/2; i++)
{
location = (((Accum * 0x40) >> 0x10) * 8);
//location = (Accum >> 0xa) << 0x3;
lut = (s16 *)(((u8 *)ResampleLUT) + location);
temp = ((s32)*(s16*)(src+((srcPtr+0)^1))*((s32)((s16)lut[0])));
accum = (s32)(temp >> 15);
temp = ((s32)*(s16*)(src+((srcPtr+1)^1))*((s32)((s16)lut[1])));
accum += (s32)(temp >> 15);
temp = ((s32)*(s16*)(src+((srcPtr+2)^1))*((s32)((s16)lut[2])));
accum += (s32)(temp >> 15);
temp = ((s32)*(s16*)(src+((srcPtr+3)^1))*((s32)((s16)lut[3])));
accum += (s32)(temp >> 15);
if (accum > 32767)
{
accum = 32767;
}
if (accum < -32768)
{
accum = -32768;
}
dst[dstPtr^1] = (s16)(accum);
dstPtr++;
Accum += Pitch;
srcPtr += (Accum>>16);
Accum&=0xffff;
}
for (int x=0; x < 4; x++)
{
*(u16*)(PageRAM2(addy+(x^1))) = src[(srcPtr+x)^1];
}
*(u16 *)(PageRAM2(addy+10)) = Accum;
}
static void DMEMMOVE2 () // Needs accuracy verification...
{
u32 v0, v1;
u32 cnt;
if ((inst2 & 0xffff)==0)
{
return;
}
v0 = (inst1 & 0xFFFF);
v1 = (inst2 >> 0x10);
//assert ((v1 & 0x3) == 0);
//assert ((v0 & 0x3) == 0);
u32 count = ((inst2+3) & 0xfffc);
//v0 = (v0) & 0xfffc;
//v1 = (v1) & 0xfffc;
//memcpy (dmem+v1, dmem+v0, count-1);
for (cnt = 0; cnt < count; cnt++)
{
*(u8 *)(BufferSpace+((cnt+v1)^3)) = *(u8 *)(BufferSpace+((cnt+v0)^3));
}
}
u32 t3, s5, s6;
u16 env[8];
static void ENVSETUP1 ()
{
u32 tmp;
//fprintf (dfile, "ENVSETUP1: inst1 = %08X, inst2 = %08X\n", inst1, inst2);
t3 = inst1 & 0xFFFF;
tmp = (inst1 >> 0x8) & 0xFF00;
env[4] = (u16)tmp;
tmp += t3;
env[5] = (u16)tmp;
s5 = inst2 >> 0x10;
s6 = inst2 & 0xFFFF;
//fprintf (dfile, " t3 = %X / s5 = %X / s6 = %X / env[4] = %X / env[5] = %X\n", t3, s5, s6, env[4], env[5]);
}
static void ENVSETUP2 ()
{
u32 tmp;
//fprintf (dfile, "ENVSETUP2: inst1 = %08X, inst2 = %08X\n", inst1, inst2);
tmp = (inst2 >> 0x10);
env[0] = (u16)tmp;
tmp += s5;
env[1] = (u16)tmp;
tmp = inst2 & 0xffff;
env[2] = (u16)tmp;
tmp += s6;
env[3] = (u16)tmp;
//fprintf (dfile, " env[0] = %X / env[1] = %X / env[2] = %X / env[3] = %X\n", env[0], env[1], env[2], env[3]);
}
static void ENVMIXER2 ()
{
//fprintf (dfile, "ENVMIXER: inst1 = %08X, inst2 = %08X\n", inst1, inst2);
s16 *bufft6, *bufft7, *buffs0, *buffs1;
s16 *buffs3;
s32 count;
u32 adder;
s16 vec9, vec10;
s16 v2[8];
//__asm int 3;
buffs3 = (s16 *)(BufferSpace + ((inst1 >> 0x0c)&0x0ff0));
bufft6 = (s16 *)(BufferSpace + ((inst2 >> 0x14)&0x0ff0));
bufft7 = (s16 *)(BufferSpace + ((inst2 >> 0x0c)&0x0ff0));
buffs0 = (s16 *)(BufferSpace + ((inst2 >> 0x04)&0x0ff0));
buffs1 = (s16 *)(BufferSpace + ((inst2 << 0x04)&0x0ff0));
v2[0] = 0 - (s16)((inst1 & 0x2) >> 1);
v2[1] = 0 - (s16)((inst1 & 0x1));
v2[2] = 0 - (s16)((inst1 & 0x8) >> 1);
v2[3] = 0 - (s16)((inst1 & 0x4) >> 1);
count = (inst1 >> 8) & 0xff;
if (!isMKABI)
{
s5 *= 2;
s6 *= 2;
t3 *= 2;
adder = 0x10;
}
else
{
inst1 = 0;
adder = 0x8;
t3 = 0;
}
while (count > 0)
{
int temp, x;
for (x=0; x < 0x8; x++)
{
vec9 = (s16)(((s32)buffs3[x^1] * (u32)env[0]) >> 0x10) ^ v2[0];
vec10 = (s16)(((s32)buffs3[x^1] * (u32)env[2]) >> 0x10) ^ v2[1];
temp = bufft6[x^1] + vec9;
if (temp > 32767)
{
temp = 32767;
}
if (temp < -32768)
{
temp = -32768;
}
bufft6[x^1] = temp;
temp = bufft7[x^1] + vec10;
if (temp > 32767)
{
temp = 32767;
}
if (temp < -32768)
{
temp = -32768;
}
bufft7[x^1] = temp;
vec9 = (s16)(((s32)vec9 * (u32)env[4]) >> 0x10) ^ v2[2];
vec10 = (s16)(((s32)vec10 * (u32)env[4]) >> 0x10) ^ v2[3];
if (inst1 & 0x10)
{
temp = buffs0[x^1] + vec10;
if (temp > 32767)
{
temp = 32767;
}
if (temp < -32768)
{
temp = -32768;
}
buffs0[x^1] = temp;
temp = buffs1[x^1] + vec9;
if (temp > 32767)
{
temp = 32767;
}
if (temp < -32768)
{
temp = -32768;
}
buffs1[x^1] = temp;
}
else
{
temp = buffs0[x^1] + vec9;
if (temp > 32767)
{
temp = 32767;
}
if (temp < -32768)
{
temp = -32768;
}
buffs0[x^1] = temp;
temp = buffs1[x^1] + vec10;
if (temp > 32767)
{
temp = 32767;
}
if (temp < -32768)
{
temp = -32768;
}
buffs1[x^1] = temp;
}
}
if (!isMKABI)
for (x=0x8; x < 0x10; x++)
{
vec9 = (s16)(((s32)buffs3[x^1] * (u32)env[1]) >> 0x10) ^ v2[0];
vec10 = (s16)(((s32)buffs3[x^1] * (u32)env[3]) >> 0x10) ^ v2[1];
temp = bufft6[x^1] + vec9;
if (temp > 32767)
{
temp = 32767;
}
if (temp < -32768)
{
temp = -32768;
}
bufft6[x^1] = temp;
temp = bufft7[x^1] + vec10;
if (temp > 32767)
{
temp = 32767;
}
if (temp < -32768)
{
temp = -32768;
}
bufft7[x^1] = temp;
vec9 = (s16)(((s32)vec9 * (u32)env[5]) >> 0x10) ^ v2[2];
vec10 = (s16)(((s32)vec10 * (u32)env[5]) >> 0x10) ^ v2[3];
if (inst1 & 0x10)
{
temp = buffs0[x^1] + vec10;
if (temp > 32767)
{
temp = 32767;
}
if (temp < -32768)
{
temp = -32768;
}
buffs0[x^1] = temp;
temp = buffs1[x^1] + vec9;
if (temp > 32767)
{
temp = 32767;
}
if (temp < -32768)
{
temp = -32768;
}
buffs1[x^1] = temp;
}
else
{
temp = buffs0[x^1] + vec9;
if (temp > 32767)
{
temp = 32767;
}
if (temp < -32768)
{
temp = -32768;
}
buffs0[x^1] = temp;
temp = buffs1[x^1] + vec10;
if (temp > 32767)
{
temp = 32767;
}
if (temp < -32768)
{
temp = -32768;
}
buffs1[x^1] = temp;
}
}
bufft6 += adder;
bufft7 += adder;
buffs0 += adder;
buffs1 += adder;
buffs3 += adder;
count -= adder;
env[0] += (u16)s5;
env[1] += (u16)s5;
env[2] += (u16)s6;
env[3] += (u16)s6;
env[4] += (u16)t3;
env[5] += (u16)t3;
}
}
static void DUPLICATE2()
{
unsigned short Count = (inst1 >> 16) & 0xff;
unsigned short In = inst1&0xffff;
unsigned short Out = (inst2>>16);
unsigned short buff[64];
memcpy(buff,BufferSpace+In,128);
while(Count)
{
memcpy(BufferSpace+Out,buff,128);
Out+=128;
Count--;
}
}
/*
static void INTERL2 () { // Make your own...
short Count = inst1 & 0xffff;
unsigned short Out = inst2 & 0xffff;
unsigned short In = (inst2 >> 16);
short *src,*dst,tmp;
src=(short *)&BufferSpace[In];
dst=(short *)&BufferSpace[Out];
while(Count)
{
*(dst++)=*(src++);
src++;
*(dst++)=*(src++);
src++;
*(dst++)=*(src++);
src++;
*(dst++)=*(src++);
src++;
*(dst++)=*(src++);
src++;
*(dst++)=*(src++);
src++;
*(dst++)=*(src++);
src++;
*(dst++)=*(src++);
src++;
Count-=8;
}
}
*/
static void INTERL2 ()
{
short Count = inst1 & 0xffff;
unsigned short Out = inst2 & 0xffff;
unsigned short In = (inst2 >> 16);
unsigned char *src,*dst/*,tmp*/;
src=(unsigned char *)(BufferSpace);//[In];
dst=(unsigned char *)(BufferSpace);//[Out];
while(Count)
{
*(short *)(dst+(Out^3)) = *(short *)(src+(In^3));
Out += 2;
In += 4;
Count--;
}
}
static void INTERLEAVE2 () // Needs accuracy verification...
{
u32 inL, inR;
u16 *outbuff;
u16 *inSrcR;
u16 *inSrcL;
u16 Left, Right;
u32 count;
count = ((inst1 >> 12) & 0xFF0);
if (count == 0)
{
outbuff = (u16 *)(AudioOutBuffer+BufferSpace);
count = AudioCount;
}
else
{
outbuff = (u16 *)((inst1&0xFFFF)+BufferSpace);
}
inR = inst2 & 0xFFFF;
inL = (inst2 >> 16) & 0xFFFF;
inSrcR = (u16 *)(BufferSpace+inR);
inSrcL = (u16 *)(BufferSpace+inL);
for (u32 x = 0; x < (count/4); x++)
{
Left=*(inSrcL++);
Right=*(inSrcR++);
*(outbuff++)=*(inSrcR++);
*(outbuff++)=*(inSrcL++);
*(outbuff++)=(u16)Right;
*(outbuff++)=(u16)Left;
}
}
static void ADDMIXER ()
{
short Count = (inst1 >> 12) & 0x00ff0;
u16 InBuffer = (inst2 >> 16);
u16 OutBuffer = inst2 & 0xffff;
s16 *inp, *outp;
s32 temp;
inp = (s16 *)(BufferSpace + InBuffer);
outp = (s16 *)(BufferSpace + OutBuffer);
for (int cntr = 0; cntr < Count; cntr+=2)
{
temp = *outp + *inp;
if (temp > 32767)
{
temp = 32767;
}
if (temp < -32768)
{
temp = -32768;
}
outp++;
inp++;
}
}
static void HILOGAIN ()
{
u16 cnt = inst1 & 0xffff;
u16 out = (inst2 >> 16) & 0xffff;
s16 hi = (s16)((inst1 >> 4) & 0xf000);
u16 lo = (inst1 >> 20) & 0xf;
s16 *src;
src = (s16 *)(BufferSpace+out);
s32 tmp, val;
while(cnt)
{
val = (s32)*src;
//tmp = ((val * (s32)hi) + ((u64)(val * lo) << 16) >> 16);
tmp = ((val * (s32)hi) >> 16) + (u32)(val * lo);
if ((s32)tmp > 32767)
{
tmp = 32767;
}
else if ((s32)tmp < -32768)
{
tmp = -32768;
}
*src = tmp;
src++;
cnt -= 2;
}
}
static void FILTER2 ()
{
static int cnt = 0;
static s16 *lutt6;
static s16 *lutt5;
u32 addy = inst2&0xFFFFFF;
u8 *save = (u8*)PageRAM2(addy&0xFFFFFF); //+RDRAM
u8 t4 = (u8)((inst1 >> 0x10) & 0xFF);
int x;
if (t4 > 1) // Then set the cnt variable
{
cnt = (inst1 & 0xFFFF);
lutt6 = (s16 *)PageRAM2(addy&0xFFFFFF);
// memcpy (dmem+0xFE0, rsp.RDRAM+(inst2&0xFFFFFF), 0x10);
return;
}
if (t4 == 0)
{
// memcpy (dmem+0xFB0, rsp.RDRAM+(inst2&0xFFFFFF), 0x20);
lutt5 = (short *)PageRAM2((addy+0x10)&0xFFFFFF);
}
lutt5 = (short *)PageRAM2((addy+0x10)&0xFFFFFF);
// lutt5 = (short *)(dmem + 0xFC0);
// lutt6 = (short *)(dmem + 0xFE0);
for (x = 0; x < 8; x++)
{
s32 a;
a = (lutt5[x] + lutt6[x]) >> 1;
lutt5[x] = lutt6[x] = (short)a;
}
short *inp1, *inp2;
s32 out1[8];
s16 outbuff[0x3c0], *outp;
u32 inPtr = (u32)(inst1&0xffff);
outp = outbuff;
inp1 = (short *)(save);
inp2 = (short *)(BufferSpace+inPtr);
for (x = 0; x < cnt; x+=0x10)
{
out1[1] = inp1[0]*lutt6[6];
out1[1] += inp1[3]*lutt6[7];
out1[1] += inp1[2]*lutt6[4];
out1[1] += inp1[5]*lutt6[5];
out1[1] += inp1[4]*lutt6[2];
out1[1] += inp1[7]*lutt6[3];
out1[1] += inp1[6]*lutt6[0];
out1[1] += inp2[1]*lutt6[1]; // 1
out1[0] = inp1[3]*lutt6[6];
out1[0] += inp1[2]*lutt6[7];
out1[0] += inp1[5]*lutt6[4];
out1[0] += inp1[4]*lutt6[5];
out1[0] += inp1[7]*lutt6[2];
out1[0] += inp1[6]*lutt6[3];