From 9115e7d2b5e5b8dc00774fe92db97f1d02b2fee1 Mon Sep 17 00:00:00 2001 From: notaz Date: Sun, 8 Apr 2007 23:35:37 +0000 Subject: [PATCH 1/1] wannabe optimizations git-svn-id: file:///home/notaz/opt/svn/fceu@100 be3aeb3a-fb24-0410-a615-afba39da0efa --- Makefile.gp2x | 4 +- bench.txt | 7 +++ fce.c | 77 +++++++++-------------- ppu.c | 166 ++++++++++++++++++++------------------------------ sound.c | 108 ++++++++++++++++---------------- 5 files changed, 156 insertions(+), 206 deletions(-) create mode 100644 bench.txt diff --git a/Makefile.gp2x b/Makefile.gp2x index b376ce6..4b1553a 100644 --- a/Makefile.gp2x +++ b/Makefile.gp2x @@ -1,6 +1,6 @@ CC = arm-linux-gcc STRIP = arm-linux-strip -TFLAGS = -mcpu=arm920t -Izlib -DGP2X=1 -DLSB_FIRST -DSDL -DUNIX -DPSS_STYLE=1 -DZLIB -DFRAMESKIP -D_REENTRANT +TFLAGS = -mcpu=arm920t -Izlib -DGP2X=1 -DLSB_FIRST -DUNIX -DPSS_STYLE=1 -DZLIB -DFRAMESKIP -D_REENTRANT RM = rm -f B = drivers/gp2x/ ifdef DEBUG @@ -17,7 +17,7 @@ gpfce: fceu include zlib/Makefile OBJDRIVER = ${B}minimal.o ${B}gp2x.o ${B}main.o ${B}throttle.o ${B}unix-netplay.o ${B}gp2x-sound.o ${B}gp2x-video.o ${B}lnx-joystick.o drivers/common/cheat.o drivers/common/config.o drivers/common/args.o drivers/common/vidblit.o ${UNZIPOBJS} ppu.o -LDRIVER = -L /mnt/sd/lib -L/mnt/sd/gp2x/usr/lib -lm -lpthread -lz -static +LDRIVER = -L /mnt/sd/lib -L/mnt/sd/gp2x/usr/lib -lm -lz -static include Makefile.base diff --git a/bench.txt b/bench.txt new file mode 100644 index 0000000..a766c8c --- /dev/null +++ b/bench.txt @@ -0,0 +1,7 @@ +@200 + +fsa / fs0 + +Kage 25/48 +smb 30/55 + diff --git a/fce.c b/fce.c index 687b686..42a4d76 100644 --- a/fce.c +++ b/fce.c @@ -205,13 +205,14 @@ uint32 TempAddr,RefreshAddr; int scanline; static uint32 scanlines_per_frame; +uint8 GameMemBlock[131072] __attribute__ ((aligned (4))); +uint8 NTARAM[0x800] __attribute__ ((aligned (4))); +uint8 PALRAM[0x20] __attribute__ ((aligned (4))); +uint8 RAM[0x800] __attribute__ ((aligned (4))); + uint8 PPU[4]; uint8 PPUSPL; -uint8 GameMemBlock[131072]; -uint8 NTARAM[0x800],PALRAM[0x20]; -uint8 RAM[0x800]; - uint8 PAL=0; @@ -419,8 +420,9 @@ void BGRender(uint8 *target) if(!(PPU[1]&2)) { - tem=Pal[0]|(Pal[0]<<8)|(Pal[0]<<16)|(Pal[0]<<24); - tem|=0x40404040; + tem=Pal[0]|0x40; + tem|=tem<<8; + tem|=tem<<16; *(uint32 *)target=*(uint32 *)(target+4)=tem; } } @@ -713,45 +715,36 @@ static void RefreshLine_PPU_hook(uint8 *P, uint32 vofs) } } -static void RefreshLine_normal(uint8 *P, uint32 vofs) +static void RefreshLine_normal(uint8 *P, uint32 vofs) // vofs is 0x107 max { int8 X1; + uint32 rfraddr = RefreshAddr; + uint8 *page = vnapage[(rfraddr>>10)&3]; + uint32 cc2=0; - for(X1=33;X1;X1--,P+=8) + if ((rfraddr&0xc)!=0) + cc2=*(uint32 *) (page + ((rfraddr&0x380)>>4) + ((rfraddr&0x10)>>2) + 0x3c0); + + for (X1=33;X1;X1--,P+=8) { - uint8 *C; - uint8 cc,zz,zz2; + uint8 cc,*C; uint32 vadr; - zz=RefreshAddr&0x1F; - zz2=(RefreshAddr>>10)&3; - vadr=(vnapage[zz2][RefreshAddr&0x3ff]<<4)+vofs; + vadr=(page[rfraddr&0x3ff]<<4)+vofs; C = VRAMADR(vadr); - cc=vnapage[zz2][0x3c0+(zz>>2)+((RefreshAddr&0x380)>>4)]; - cc=((cc >> ((zz&2) + ((RefreshAddr&0x40)>>4))) &3) <<2; - { - uint8 *S=PALRAM+cc; - uint8 c1,c2; - - c1=((C[0]>>1)&0x55)|(C[8]&0xAA); - c2=(C[0]&0x55)|((C[8]<<1)&0xAA); + if ((rfraddr&0xc)==0) + cc2=*(uint32 *) (page + ((rfraddr&0x380)>>4) + ((rfraddr&0x10)>>2) + 0x3c0); + cc=((cc2 >> ((rfraddr&2) + ((rfraddr&0x40)>>4) + ((rfraddr&0xc)<<1))) & 3) << 2; - P[6]=S[c1&3]; - P[7]=S[c2&3]; - P[4]=S[(c1>>2)&3]; - P[5]=S[(c2>>2)&3]; - P[2]=S[(c1>>4)&3]; - P[3]=S[(c2>>4)&3]; - - P[0]=S[c1>>6]; - P[1]=S[c2>>6]; - } + #include "fceline.h" - if((RefreshAddr&0x1f)==0x1f) - RefreshAddr^=0x41F; - else - RefreshAddr++; + if((rfraddr&0x1f)==0x1f) { + rfraddr^=0x41F; + page = vnapage[(rfraddr>>10)&3]; + } else + rfraddr++; } + RefreshAddr = rfraddr; } static void SetRefreshLine(void) @@ -856,20 +849,6 @@ static void DoHBlank(void) - - - - - - - - - - - - - - // ============================// // end of new code // ===========================// diff --git a/ppu.c b/ppu.c index 0f2a47f..d2ea449 100644 --- a/ppu.c +++ b/ppu.c @@ -36,7 +36,7 @@ uint8 SPRAM[0x100]; static uint8 SPRBUF[0x100]; -static uint8 sprlinebuf[256+8]; +static uint8 sprlinebuf[256+8]; extern void BGRender(uint8 *target); extern int tosprite; @@ -56,10 +56,10 @@ typedef struct { } SPR __attribute__((aligned(1))); typedef struct { - // uint8 ca[2],atr,x; - uint8 ca[2],atr,x; + // uint8 ca[2],atr,x; + uint8 ca[2],atr,x; // union { int z; } - + } SPRB __attribute__((aligned(1))); @@ -120,7 +120,7 @@ void FetchSpriteData(void) if(MMC5Hack && geniestage!=1) C = MMC5SPRVRAMADR(vadr); else C = VRAMADR(vadr); - + dst.ca[0]=C[0]; dst.ca[1]=C[8]; dst.x=spr->x; @@ -202,9 +202,8 @@ extern int FSkip; void RefreshSprite(uint8 *target) { - int n; + int n, minx=256; SPRB *spr; - uint8 *P=target; if(!nosprites) return; #ifdef FRAMESKIP @@ -220,29 +219,30 @@ void RefreshSprite(uint8 *target) } #endif - FCEU_dwmemset(sprlinebuf,0x80808080,256); nosprites--; spr = (SPRB*)SPRBUF+nosprites; for(n=nosprites;n>=0;n--,spr--) { - register uint8 J,atr,c1,c2; - int x=spr->x; - uint8 *C; - uint8 *VB; - - P+=x; - - c1=((spr->ca[0]>>1)&0x55)|(spr->ca[1]&0xAA); - c2=(spr->ca[0]&0x55)|((spr->ca[1]<<1)&0xAA); + register uint32 J; J=spr->ca[0]|spr->ca[1]; - atr=spr->atr; - if(J) - { + if (J) + { + register uint8 atr,c1,c2; + uint8 *C; + uint8 *VB; + int x=spr->x; + atr=spr->atr; + + if (x < minx) + { + if (minx == 256) FCEU_dwmemset(sprlinebuf,0x80808080,256); // only clear sprite buff when we encounter first sprite + minx = x; + } if(n==0 && SpriteBlurp && !(PPU_status&0x40)) - { + { int z,ze=x+8; if(ze>256) {ze=256;} if(ScreenON && (scanlineFSettings.LastSLine @@ -277,113 +277,77 @@ void RefreshSprite(uint8 *target) //FCEU_DispMessage("%d, %d:%d",scanline,x,tosprite); } + c1=((spr->ca[0]>>1)&0x55)|(spr->ca[1]&0xAA); + c2=(spr->ca[0]&0x55)|((spr->ca[1]<<1)&0xAA); + C = sprlinebuf+x; VB = (PALRAM+0x10)+((atr&3)<<2); - if(atr&SP_BACK) { + J &= 0xff; + if(atr&SP_BACK) J |= 0x4000; if (atr&H_FLIP) { - if (J&0x02) C[1]=VB[c1&3]|0x40; - if (J&0x01) *C=VB[c2&3]|0x40; + if (J&0x02) C[1]=VB[c1&3]|(J>>8); + if (J&0x01) *C=VB[c2&3]|(J>>8); c1>>=2;c2>>=2; - if (J&0x08) C[3]=VB[c1&3]|0x40;; - if (J&0x04) C[2]=VB[c2&3]|0x40;; + if (J&0x08) C[3]=VB[c1&3]|(J>>8); + if (J&0x04) C[2]=VB[c2&3]|(J>>8); c1>>=2;c2>>=2; - if (J&0x20) C[5]=VB[c1&3]|0x40;; - if (J&0x10) C[4]=VB[c2&3]|0x40;; + if (J&0x20) C[5]=VB[c1&3]|(J>>8); + if (J&0x10) C[4]=VB[c2&3]|(J>>8); c1>>=2;c2>>=2; - if (J&0x80) C[7]=VB[c1]|0x40;; - if (J&0x40) C[6]=VB[c2]|0x40;; + if (J&0x80) C[7]=VB[c1]|(J>>8); + if (J&0x40) C[6]=VB[c2]|(J>>8); } else { - if (J&0x02) C[6]=VB[c1&3]|0x40; - if (J&0x01) C[7]=VB[c2&3]|0x40; + if (J&0x02) C[6]=VB[c1&3]|(J>>8); + if (J&0x01) C[7]=VB[c2&3]|(J>>8); c1>>=2;c2>>=2; - if (J&0x08) C[4]=VB[c1&3]|0x40; - if (J&0x04) C[5]=VB[c2&3]|0x40; + if (J&0x08) C[4]=VB[c1&3]|(J>>8); + if (J&0x04) C[5]=VB[c2&3]|(J>>8); c1>>=2;c2>>=2; - if (J&0x20) C[2]=VB[c1&3]|0x40; - if (J&0x10) C[3]=VB[c2&3]|0x40; + if (J&0x20) C[2]=VB[c1&3]|(J>>8); + if (J&0x10) C[3]=VB[c2&3]|(J>>8); c1>>=2;c2>>=2; - if (J&0x80) *C=VB[c1]|0x40; - if (J&0x40) C[1]=VB[c2]|0x40; + if (J&0x80) *C=VB[c1]|(J>>8); + if (J&0x40) C[1]=VB[c2]|(J>>8); } - } else { - if (atr&H_FLIP) - { - if (J&0x02) C[1]=VB[(c1&3)]; - if (J&0x01) *C=VB[(c2&3)]; - c1>>=2;c2>>=2; - if (J&0x08) C[3]=VB[(c1&3)]; - if (J&0x04) C[2]=VB[(c2&3)]; - c1>>=2;c2>>=2; - if (J&0x20) C[5]=VB[(c1&3)]; - if (J&0x10) C[4]=VB[(c2&3)]; - c1>>=2;c2>>=2; - if (J&0x80) C[7]=VB[c1]; - if (J&0x40) C[6]=VB[c2]; - }else{ - if (J&0x02) C[6]=VB[(c1&3)]; - if (J&0x01) C[7]=VB[(c2&3)]; - c1>>=2;c2>>=2; - if (J&0x08) C[4]=VB[(c1&3)]; - if (J&0x04) C[5]=VB[(c2&3)]; - c1>>=2;c2>>=2; - if (J&0x20) C[2]=VB[(c1&3)]; - if (J&0x10) C[3]=VB[(c2&3)]; - c1>>=2;c2>>=2; - if (J&0x80) *C=VB[c1]; - if (J&0x40) C[1]=VB[c2]; - } } - } - P-=x; } + } nosprites=0; #ifdef FRAMESKIP if(FSkip) return; #endif + if (minx == 256) return; // no visible sprites { uint8 n=((PPU[1]&4)^4)<<1; + if ((int)n < minx) n = minx & 0xfc; loopskie: { uint32 t=*(uint32 *)(sprlinebuf+n); if(t!=0x80808080) { #ifdef LSB_FIRST - if(!(t&0x80)) - { - if(!(t&0x40)) // Normal sprite - P[n]=sprlinebuf[n]; - else if(P[n]&64) // behind bg sprite - P[n]=sprlinebuf[n]; + uint32 tb=*(uint32 *)(target+n); + if(!(t&0x00000080) && (!(t&0x00000040) || (tb&0x00000040))) { // have sprite pixel AND (normal sprite OR behind bg with no bg) + tb &= ~0x000000ff; tb |= t & 0x000000ff; } - if(!(t&0x8000)) - { - if(!(t&0x4000)) // Normal sprite - P[n+1]=(sprlinebuf+1)[n]; - else if(P[n+1]&64) // behind bg sprite - P[n+1]=(sprlinebuf+1)[n]; + if(!(t&0x00008000) && (!(t&0x00004000) || (tb&0x00004000))) { + tb &= ~0x0000ff00; tb |= t & 0x0000ff00; } - if(!(t&0x800000)) - { - if(!(t&0x400000)) // Normal sprite - P[n+2]=(sprlinebuf+2)[n]; - else if(P[n+2]&64) // behind bg sprite - P[n+2]=(sprlinebuf+2)[n]; + if(!(t&0x00800000) && (!(t&0x00400000) || (tb&0x00400000))) { + tb &= ~0x00ff0000; tb |= t & 0x00ff0000; } - if(!(t&0x80000000)) - { - if(!(t&0x40000000)) // Normal sprite - P[n+3]=(sprlinebuf+3)[n]; - else if(P[n+3]&64) // behind bg sprite - P[n+3]=(sprlinebuf+3)[n]; + if(!(t&0x80000000) && (!(t&0x40000000) || (tb&0x40000000))) { + tb &= ~0xff000000; tb |= t & 0xff000000; } + *(uint32 *)(target+n)=tb; #else if(!(t&0x80000000)) { @@ -438,7 +402,7 @@ void FetchSpriteData(void) int vofs; uint8 P0=PPU[0]; - + spr=(SPR *)SPRAM; H=8; @@ -482,11 +446,11 @@ void FetchSpriteData(void) vadr+=t&8; } - // Fix this geniestage hack + // Fix this geniestage hack if(MMC5Hack && geniestage!=1) C = MMC5SPRVRAMADR(vadr); else C = VRAMADR(vadr); - + dst.ca[0]=C[0]; dst.ca[1]=C[8]; dst.x=spr->x; @@ -565,7 +529,7 @@ void FetchSpriteData(void) //if(ns>=7) //printf("%d %d\n",scanline,ns); if(ns>8) PPU_status|=0x20; // Handle case when >8 sprites per -// scanline option is enabled. +// scanline option is enabled. else if(PPU_hook) { for(n=0;n<(8-ns);n++) @@ -582,7 +546,7 @@ void FetchSpriteData(void) void RefreshSprite(uint8 *target) { - + int n,sprindex; SPRB *spr; uint8 *P=target; @@ -603,7 +567,7 @@ void RefreshSprite(uint8 *target) int x=spr[sprindex].x; uint8 *C; uint8 *VB; - + P+=x; c1=((spr[sprindex].ca[0]>>1)&0x55)|(spr[sprindex].ca[1]&0xAA); @@ -613,9 +577,9 @@ void RefreshSprite(uint8 *target) atr=spr[sprindex].atr; if(J) - { + { if(n==0 && SpriteBlurp && !(PPU_status&0x40)) - { + { int z,ze=x+8; if(ze>256) {ze=256;} if(ScreenON && (scanlineFSettings.LastSLine @@ -655,7 +619,7 @@ void RefreshSprite(uint8 *target) C = &(sprlinebuf[(uint8)x]); VB = (PALRAM+0x10)+((atr&3)<<2); - if(atr&SP_BACK) + if(atr&SP_BACK) { if (atr&H_FLIP) { @@ -697,7 +661,7 @@ void RefreshSprite(uint8 *target) c1>>=2;c2>>=2; if (J&0x80) C[7]=VB[c1]; if (J&0x40) C[6]=VB[c2]; - }else{ + }else{ if (J&0x02) C[6]=VB[(c1&3)]; if (J&0x01) C[7]=VB[(c2&3)]; c1>>=2;c2>>=2; diff --git a/sound.c b/sound.c index 61c8fcd..8cdde0e 100644 --- a/sound.c +++ b/sound.c @@ -25,7 +25,7 @@ /******* routines. A few ideas were inspired */ /******* by code from Marat Fayzullin's EMUlib */ /******* */ -/********************************************************/ +/********************************************************/ #include #include @@ -61,8 +61,8 @@ uint8 sqnon=0; #undef printf uint16 nreg; - -int32 lengthcount[4]; + +int32 lengthcount[4]; extern int soundvol; @@ -108,7 +108,7 @@ int32 PCMIRQCount; uint8 PCMBitIndex=0; uint32 PCMAddressIndex=0; int32 PCMSizeIndex=0; -uint8 PCMBuffer=0; +uint8 PCMBuffer=0; int vdis=0; static void Dummyfunc(void) {}; @@ -131,9 +131,9 @@ static void CalcDPCMIRQ(void) freq=(NTSCPCMTable[PSG[0x10]&0xF]<<4); cycles=(((PSG[0x13]<<4)+1)); - cycles*=freq/14; + cycles*=freq/14; honk=((PSG[0x13]<<4)+1)*freq; - honk-=cycles; + honk-=cycles; //if(PAL) honk/=107; //else honk/=(double)113.66666666; PCMIRQCount=honk*48; @@ -144,9 +144,9 @@ static void CalcDPCMIRQ(void) static void PrepDPCM() { - PCMAddressIndex=0x4000+(PSG[0x12]<<6); + PCMAddressIndex=0x4000+(PSG[0x12]<<6); PCMSizeIndex=(PSG[0x13]<<4)+1; - PCMBitIndex=0; + PCMBitIndex=0; //PCMBuffer=ARead[0x8000+PCMAddressIndex](0x8000+PCMAddressIndex); if(PAL) PCMfreq=PALPCMTable[PSG[0x10]&0xF]; @@ -211,12 +211,12 @@ static DECLFW(Write_PSG) curfreq[0]&=0xFF00; curfreq[0]|=V; break; - case 0x3: + case 0x3: if(PSG[0x15]&1) { DoSQ1(); lengthcount[0]=lengthtable[(V>>3)&0x1f]; - sqnon|=1; + sqnon|=1; } sweepon[0]=PSG[1]&0x80; curfreq[0]=PSG[0x2]|((V&7)<<8); @@ -227,7 +227,7 @@ static DECLFW(Write_PSG) sqacc[0]=((int64)curfreq[0]+1)<<50; break; - case 0x4: + case 0x4: DoSQ2(); if(V&0x10) realvolume[1]=V&0xF; @@ -240,7 +240,7 @@ static DECLFW(Write_PSG) curfreq[1]&=0xFF00; curfreq[1]|=V; break; - case 0x7: + case 0x7: if(PSG[0x15]&2) { DoSQ2(); @@ -248,14 +248,14 @@ static DECLFW(Write_PSG) sqnon|=2; } sweepon[1]=PSG[0x5]&0x80; - curfreq[1]=PSG[0x6]|((V&7)<<8); + curfreq[1]=PSG[0x6]|((V&7)<<8); decvolume[1]=0xF; DecCountTo1[1]=(PSG[0x4]&0xF)+1; SweepCount[1]=((PSG[0x5]>>4)&7)+1; DutyCount[1]=0; sqacc[1]=((int64)curfreq[1]+1)<<50; break; - case 0x8: + case 0x8: DoTriangle(); if(laster&0x80) { @@ -292,13 +292,13 @@ static DECLFW(Write_PSG) lengthcount[3]=lengthtable[(V>>3)&0x1f]; } decvolume[2]=0xF; - DecCountTo1[2]=(PSG[0xC]&0xF)+1; + DecCountTo1[2]=(PSG[0xC]&0xF)+1; break; case 0x10:DoPCM(); if(!(V&0x80)) X6502_IRQEnd(FCEU_IQDPCM); break; - case 0x15: + case 0x15: { int t=V^PSG[0x15]; @@ -328,14 +328,14 @@ static DECLFW(Write_PSG) X6502_IRQEnd(FCEU_IQDPCM); } break; - case 0x17: + case 0x17: V&=0xC0; - fcnt=0; + fcnt=0; if(V&0x80) FrameSoundUpdate(); fhcnt=fhinc; X6502_IRQEnd(FCEU_IQFCOUNT); - SIRQStat&=~0x40; + SIRQStat&=~0x40; break; } PSG[A]=V; @@ -384,7 +384,7 @@ static void FASTAPASS(1) FrameSoundStuff(int V) DoTriangle(); sqnon&=~4; } - } + } } for(P=0;P<2;P++) @@ -395,7 +395,7 @@ static void FASTAPASS(1) FrameSoundStuff(int V) { if(lengthcount[P]>0) { - lengthcount[P]--; + lengthcount[P]--; if(lengthcount[P]<=0) { sqnon&=~(P+1); @@ -410,14 +410,14 @@ static void FASTAPASS(1) FrameSoundStuff(int V) { int32 mod=0; - if(SweepCount[P]>0) SweepCount[P]--; + if(SweepCount[P]>0) SweepCount[P]--; if(SweepCount[P]<=0) { SweepCount[P]=((PSG[(P<<2)+0x1]>>4)&7)+1; //+1; { if(PSG[(P<<2)+0x1]&0x8) { - mod-=(P^1)+((curfreq[P])>>(PSG[(P<<2)+0x1]&7)); + mod-=(P^1)+((curfreq[P])>>(PSG[(P<<2)+0x1]&7)); if(curfreq[P] && (PSG[(P<<2)+0x1]&7)/* && sweepon[P]&0x80*/) { @@ -442,7 +442,7 @@ static void FASTAPASS(1) FrameSoundStuff(int V) } } } - } + } } if(PSG[0x15]&0x8 && sqnon&8) @@ -462,7 +462,7 @@ static void FASTAPASS(1) FrameSoundStuff(int V) case 0: /* Envelope decay + linear counter */ if(!trimode) - { + { laster=0; if(tricoop) { @@ -569,7 +569,7 @@ static void RDoPCM(void) uint32 out=PSG[0x11]<<3; start=ChannelBC[4]; - end=(timestamp<<16)/soundtsinc; + end=(timestamp<<16)/soundtsinc; if(end<=start) return; ChannelBC[4]=end; @@ -737,7 +737,7 @@ static void RDoTriangle(void) int64 freq=(((PSG[0xa]|((PSG[0xb]&7)<<8))+1)); start=ChannelBC[2]; - end=(timestamp<<16)/soundtsinc; + end=(timestamp<<16)/soundtsinc; if(end<=start) return; ChannelBC[2]=end; @@ -760,8 +760,8 @@ static void RDoTriangle(void) } else { - static int64 triacc=0; - static uint8 tc=0; + static int64 triacc=0; + static uint8 tc=0; freq<<=49; for(V=start;V>4]+=outo; if(count[3]>=inc) - { - uint8 feedback; + { + uint8 feedback; feedback=((nreg>>8)&1)^((nreg>>14)&1); nreg=(nreg<<1)+feedback; @@ -850,19 +850,19 @@ static void RDoNoise(void) } void SetNESSoundMap(void) -{ +{ SetWriteHandler(0x4000,0x4013,Write_PSG); SetWriteHandler(0x4011,0x4011,Write0x11); SetWriteHandler(0x4015,0x4015,Write_PSG); - SetWriteHandler(0x4017,0x4017,Write_PSG); + SetWriteHandler(0x4017,0x4017,Write_PSG); SetReadHandler(0x4015,0x4015,Read_PSG); } static int32 WaveNSF[256]; -int64 highp; // 0 through 65536, 0 = no high pass, 65536 = max high pass +int32 highp; // 0 through 65536, 0 = no high pass, 65536 = max high pass -int64 lowp; // 0 through 65536, 65536 = max low pass(total attenuation) +int32 lowp; // 0 through 65536, 65536 = max low pass(total attenuation) // 65536 = no low pass static void FilterSound(uint32 *in, int32 *out, int16 *outMono, int count) { @@ -871,7 +871,7 @@ static void FilterSound(uint32 *in, int32 *out, int16 *outMono, int count) //int16* tmp; //int16* outorig=out; //int32 prev=-99999; - for(;count;count--,in++,out++)//,index++) + for(;count;count--,in++)//,out++)//,index++) { int64 diff; @@ -880,7 +880,7 @@ static void FilterSound(uint32 *in, int32 *out, int16 *outMono, int count) acc+=(diff*highp)>>16; acc2+=((diff-acc2)*lowp)>>16; *in=0; - + // don't change the sound here // *out=(acc2*(int64)FSettings.SoundVolume)>>(24+16); // volume, 4 times louder by default?? @@ -891,23 +891,23 @@ static void FilterSound(uint32 *in, int32 *out, int16 *outMono, int count) if(*out<-32767) *out=-32767; if(*out>32767) *out=32767; // go one back - + // do MONO - tmp=(int16 *)(out-1); + tmp=(int16 *)(out-1); // don't do this the first time if (prev == -99999) continue; // the middle one should be interpolated - tmp[1]=(int16)((*out + prev) >> 1); - prev = *out; + tmp[1]=(int16)((*out + prev) >> 1); + prev = *out; */ //outMono[index] = (int16)*out; *outMono = (int16)(acc2 >> 24); //if(*outMono<-16384) *outMono=-16384; //if(*outMono>16384) *outMono=16384; outMono++; - + // out=((int64)(acc2>>24)*(int64)FSettings.SoundVolume)>>16; //acc2>>24; - + } // do one more } @@ -955,13 +955,13 @@ int FlushEmulateSound(void) if(end&0xF) Wave[0]=Wave[(end>>4)]; - Wave[(end>>4)]=0; + Wave[(end>>4)]=0; nosoundo: for(x=0;x<5;x++) ChannelBC[x]=end&0xF; timestampbase+=timestamp; - timestamp=(soundtsinc*(end&0xF))>>16; + timestamp=(soundtsinc*(end&0xF))>>16; timestampbase-=timestamp; return(end>>4); } @@ -999,7 +999,7 @@ void ResetSound(void) void SetSoundVariables(void) { - int x; + int x; fhinc=PAL?16626:14915; // *2 CPU clock rate fhinc*=24; @@ -1013,7 +1013,7 @@ void SetSoundVariables(void) DoPCM=RDoPCM; DoSQ1=RDoSQ1; DoSQ2=RDoSQ2; - } + } else { DoNoise=DoTriangle=DoPCM=DoSQ1=DoSQ2=Dummyfunc; -- 2.39.2