/** * Furnace Tracker - multi-system chiptune tracker * Copyright (C) 2021-2022 tildearrow and contributors * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ #include "ym2608.h" #include "sound/ymfm/ymfm.h" #include "../engine.h" #include "../../ta-log.h" #include #include #define CHIP_FREQBASE fmFreqBase #define CHIP_DIVIDER fmDivBase const char* regCheatSheetYM2608[]={ // SSG "SSG_FreqL_A", "000", "SSG_FreqH_A", "001", "SSG_FreqL_B", "002", "SSG_FreqH_B", "003", "SSG_FreqL_C", "004", "SSG_FreqH_C", "005", "SSG_FreqNoise", "006", "SSG_Enable", "007", "SSG_Volume_A", "008", "SSG_Volume_B", "009", "SSG_Volume_C", "00A", "SSG_FreqL_Env", "00B", "SSG_FreqH_Env", "00C", "SSG_Control_Env", "00D", // ADPCM-B "ADPCMB_Control", "010", "ADPCMB_L_R", "011", "ADPCMB_StartL", "012", "ADPCMB_StartH", "013", "ADPCMB_EndL", "014", "ADPCMB_EndH", "015", "ADPCMB_FreqL", "019", "ADPCMB_FreqH", "01A", "ADPCMB_Volume", "01B", "ADPCM_Flag", "01C", // FM (Common) "FM_Test", "021", "FM_LFOFreq", "022", "ClockA1", "024", "ClockA2", "025", "ClockB", "026", "FM_Control", "027", "FM_NoteCtl", "028", // FM (Channel 1-3) "FM1_Op1_DT_MULT", "030", "FM2_Op1_DT_MULT", "031", "FM3_Op1_DT_MULT", "032", "FM1_Op2_DT_MULT", "034", "FM2_Op2_DT_MULT", "035", "FM3_Op2_DT_MULT", "036", "FM1_Op3_DT_MULT", "038", "FM2_Op3_DT_MULT", "039", "FM3_Op3_DT_MULT", "03A", "FM1_Op4_DT_MULT", "03C", "FM2_Op4_DT_MULT", "03D", "FM3_Op4_DT_MULT", "03E", "FM1_Op1_TL", "040", "FM2_Op1_TL", "041", "FM3_Op1_TL", "042", "FM1_Op2_TL", "044", "FM2_Op2_TL", "045", "FM3_Op2_TL", "046", "FM1_Op3_TL", "048", "FM2_Op3_TL", "049", "FM3_Op3_TL", "04A", "FM1_Op4_TL", "04C", "FM2_Op4_TL", "04D", "FM3_Op4_TL", "04E", "FM1_Op1_KS_AR", "050", "FM2_Op1_KS_AR", "051", "FM3_Op1_KS_AR", "052", "FM1_Op2_KS_AR", "054", "FM2_Op2_KS_AR", "055", "FM3_Op2_KS_AR", "056", "FM1_Op3_KS_AR", "058", "FM2_Op3_KS_AR", "059", "FM3_Op3_KS_AR", "05A", "FM1_Op4_KS_AR", "05C", "FM2_Op4_KS_AR", "05D", "FM3_Op4_KS_AR", "05E", "FM1_Op1_AM_DR", "060", "FM2_Op1_AM_DR", "061", "FM3_Op1_AM_DR", "062", "FM1_Op2_AM_DR", "064", "FM2_Op2_AM_DR", "065", "FM3_Op2_AM_DR", "066", "FM1_Op3_AM_DR", "068", "FM2_Op3_AM_DR", "069", "FM3_Op3_AM_DR", "06A", "FM1_Op4_AM_DR", "06C", "FM2_Op4_AM_DR", "06D", "FM3_Op4_AM_DR", "06E", "FM1_Op1_SR", "070", "FM2_Op1_SR", "071", "FM3_Op1_SR", "072", "FM1_Op2_SR", "074", "FM2_Op2_SR", "075", "FM3_Op2_SR", "076", "FM1_Op3_SR", "078", "FM2_Op3_SR", "079", "FM3_Op3_SR", "07A", "FM1_Op4_SR", "07C", "FM2_Op4_SR", "07D", "FM3_Op4_SR", "07E", "FM1_Op1_SL_RR", "080", "FM2_Op1_SL_RR", "081", "FM3_Op1_SL_RR", "082", "FM1_Op2_SL_RR", "084", "FM2_Op2_SL_RR", "085", "FM3_Op2_SL_RR", "086", "FM1_Op3_SL_RR", "088", "FM2_Op3_SL_RR", "089", "FM3_Op3_SL_RR", "08A", "FM1_Op4_SL_RR", "08C", "FM2_Op4_SL_RR", "08D", "FM3_Op4_SL_RR", "08E", "FM1_Op1_SSG_EG", "090", "FM2_Op1_SSG_EG", "091", "FM3_Op1_SSG_EG", "092", "FM1_Op2_SSG_EG", "094", "FM2_Op2_SSG_EG", "095", "FM3_Op2_SSG_EG", "096", "FM1_Op3_SSG_EG", "098", "FM2_Op3_SSG_EG", "099", "FM3_Op3_SSG_EG", "09A", "FM1_Op4_SSG_EG", "09C", "FM2_Op4_SSG_EG", "09D", "FM3_Op4_SSG_EG", "09E", "FM1_FNum1", "0A0", "FM2_FNum1", "0A1", "FM3_(Op1)FNum1", "0A2", "FM1_FNum2", "0A4", "FM2_FNum2", "0A5", "FM3_(Op1)FNum2", "0A6", "FM3_Op2_FNum1", "0A8", "FM3_Op3_FNum1", "0A9", "FM3_Op4_FNum1", "0AA", "FM3_Op2_FNum2", "0AC", "FM3_Op3_FNum2", "0AD", "FM3_Op4_FNum2", "0AE", "FM1_FB_ALG", "0B0", "FM2_FB_ALG", "0B1", "FM3_FB_ALG", "0B2", "FM1_Pan_LFO", "0B4", "FM2_Pan_LFO", "0B5", "FM3_Pan_LFO", "0B6", // ADPCM-A "ADPCMA_Control", "100", "ADPCMA_MVol", "101", "ADPCMA_Test", "102", "ADPCMA_Ch1_Vol", "108", "ADPCMA_Ch2_Vol", "109", "ADPCMA_Ch3_Vol", "10A", "ADPCMA_Ch4_Vol", "10B", "ADPCMA_Ch5_Vol", "10C", "ADPCMA_Ch6_Vol", "10D", // FM (Channel 4-6) "FM4_Op1_DT_MULT", "130", "FM5_Op1_DT_MULT", "131", "FM6_Op1_DT_MULT", "132", "FM4_Op2_DT_MULT", "134", "FM5_Op2_DT_MULT", "135", "FM6_Op2_DT_MULT", "136", "FM4_Op3_DT_MULT", "138", "FM5_Op3_DT_MULT", "139", "FM6_Op3_DT_MULT", "13A", "FM4_Op4_DT_MULT", "13C", "FM5_Op4_DT_MULT", "13D", "FM6_Op4_DT_MULT", "13E", "FM4_Op1_TL", "140", "FM5_Op1_TL", "141", "FM6_Op1_TL", "142", "FM4_Op2_TL", "144", "FM5_Op2_TL", "145", "FM6_Op2_TL", "146", "FM4_Op3_TL", "148", "FM5_Op3_TL", "149", "FM6_Op3_TL", "14A", "FM4_Op4_TL", "14C", "FM5_Op4_TL", "14D", "FM6_Op4_TL", "14E", "FM4_Op1_KS_AR", "150", "FM5_Op1_KS_AR", "151", "FM6_Op1_KS_AR", "152", "FM4_Op2_KS_AR", "154", "FM5_Op2_KS_AR", "155", "FM6_Op2_KS_AR", "156", "FM4_Op3_KS_AR", "158", "FM5_Op3_KS_AR", "159", "FM6_Op3_KS_AR", "15A", "FM4_Op4_KS_AR", "15C", "FM5_Op4_KS_AR", "15D", "FM6_Op4_KS_AR", "15E", "FM4_Op1_AM_DR", "160", "FM5_Op1_AM_DR", "161", "FM6_Op1_AM_DR", "162", "FM4_Op2_AM_DR", "164", "FM5_Op2_AM_DR", "165", "FM6_Op2_AM_DR", "166", "FM4_Op3_AM_DR", "168", "FM5_Op3_AM_DR", "169", "FM6_Op3_AM_DR", "16A", "FM4_Op4_AM_DR", "16C", "FM5_Op4_AM_DR", "16D", "FM6_Op4_AM_DR", "16E", "FM4_Op1_SR", "170", "FM5_Op1_SR", "171", "FM6_Op1_SR", "172", "FM4_Op2_SR", "174", "FM5_Op2_SR", "175", "FM6_Op2_SR", "176", "FM4_Op3_SR", "178", "FM5_Op3_SR", "179", "FM6_Op3_SR", "17A", "FM4_Op4_SR", "17C", "FM5_Op4_SR", "17D", "FM6_Op4_SR", "17E", "FM4_Op1_SL_RR", "180", "FM5_Op1_SL_RR", "181", "FM6_Op1_SL_RR", "182", "FM4_Op2_SL_RR", "184", "FM5_Op2_SL_RR", "185", "FM6_Op2_SL_RR", "186", "FM4_Op3_SL_RR", "188", "FM5_Op3_SL_RR", "189", "FM6_Op3_SL_RR", "18A", "FM4_Op4_SL_RR", "18C", "FM5_Op4_SL_RR", "18D", "FM6_Op4_SL_RR", "18E", "FM4_Op1_SSG_EG", "190", "FM5_Op1_SSG_EG", "191", "FM6_Op1_SSG_EG", "192", "FM4_Op2_SSG_EG", "194", "FM5_Op2_SSG_EG", "195", "FM6_Op2_SSG_EG", "196", "FM4_Op3_SSG_EG", "198", "FM5_Op3_SSG_EG", "199", "FM6_Op3_SSG_EG", "19A", "FM4_Op4_SSG_EG", "19C", "FM5_Op4_SSG_EG", "19D", "FM6_Op4_SSG_EG", "19E", "FM4_FNum1", "1A0", "FM5_FNum1", "1A1", "FM6_FNum1", "1A2", "FM4_FNum2", "1A4", "FM5_FNum2", "1A5", "FM6_FNum2", "1A6", "FM4_FB_ALG", "1B0", "FM5_FB_ALG", "1B1", "FM6_FB_ALG", "1B2", "FM4_Pan_LFO", "1B4", "FM5_Pan_LFO", "1B5", "FM6_Pan_LFO", "1B6", NULL }; const char** DivPlatformYM2608::getRegisterSheet() { return regCheatSheetYM2608; } double DivPlatformYM2608::NOTE_OPNB(int ch, int note) { if (ch>8) { // ADPCM-B return NOTE_ADPCMB(note); } else if (ch>5) { // PSG return NOTE_PERIODIC(note); } // FM return NOTE_FNUM_BLOCK(note,11); } double DivPlatformYM2608::NOTE_ADPCMB(int note) { if (chan[15].sample>=0 && chan[15].samplesong.sampleLen) { double off=65535.0*(double)(parent->getSample(chan[15].sample)->centerRate)/8363.0; return parent->calcBaseFreq((double)chipClock/144,off,note,false); } return 0; } void DivPlatformYM2608::acquire(short* bufL, short* bufR, size_t start, size_t len) { static int os[2]; ymfm::ym2608::fm_engine* fme=fm->debug_fm_engine(); ymfm::ssg_engine* ssge=fm->debug_ssg_engine(); ymfm::adpcm_a_engine* aae=fm->debug_adpcm_a_engine(); ymfm::adpcm_b_engine* abe=fm->debug_adpcm_b_engine(); ymfm::ssg_engine::output_data ssgOut; ymfm::fm_channel>* fmChan[6]; ymfm::adpcm_a_channel* adpcmAChan[6]; for (int i=0; i<6; i++) { fmChan[i]=fme->debug_channel(i); adpcmAChan[i]=aae->debug_channel(i); } for (size_t h=start; hwrite(0x0+((w.addr>>8)<<1),w.addr); fm->write(0x1+((w.addr>>8)<<1),w.val); regPool[w.addr&0x1ff]=w.val; writes.pop_front(); delay=4; } } fm->generate(&fmout); os[0]=fmout.data[0]+(fmout.data[2]>>1); if (os[0]<-32768) os[0]=-32768; if (os[0]>32767) os[0]=32767; os[1]=fmout.data[1]+(fmout.data[2]>>1); if (os[1]<-32768) os[1]=-32768; if (os[1]>32767) os[1]=32767; bufL[h]=os[0]; bufR[h]=os[1]; for (int i=0; i<6; i++) { oscBuf[i]->data[oscBuf[i]->needle++]=(fmChan[i]->debug_output(0)+fmChan[i]->debug_output(1)); } ssge->get_last_out(ssgOut); for (int i=6; i<9; i++) { oscBuf[i]->data[oscBuf[i]->needle++]=ssgOut.data[i-6]; } for (int i=9; i<15; i++) { oscBuf[i]->data[oscBuf[i]->needle++]=adpcmAChan[i-9]->get_last_out(0)+adpcmAChan[i-9]->get_last_out(1); } oscBuf[15]->data[oscBuf[15]->needle++]=abe->get_last_out(0)+abe->get_last_out(1); } } void DivPlatformYM2608::tick(bool sysTick) { // FM for (int i=0; i<6; i++) { if (i==2 && extMode) continue; chan[i].std.next(); if (chan[i].std.vol.had) { chan[i].outVol=VOL_SCALE_LOG_BROKEN(chan[i].vol,MIN(127,chan[i].std.vol.val),127); for (int j=0; j<4; j++) { unsigned short baseAddr=chanOffs[i]|opOffs[j]; DivInstrumentFM::Operator& op=chan[i].state.op[j]; if (KVS(i,j)) { rWrite(baseAddr+ADDR_TL,127-VOL_SCALE_LOG_BROKEN(127-op.tl,chan[i].outVol&0x7f,127)); } else { rWrite(baseAddr+ADDR_TL,op.tl); } } } if (chan[i].std.arp.had) { if (!chan[i].inPorta) { chan[i].baseFreq=NOTE_FNUM_BLOCK(parent->calcArp(chan[i].note,chan[i].std.arp.val),11); } chan[i].freqChanged=true; } if (chan[i].std.panL.had) { chan[i].pan=chan[i].std.panL.val&3; rWrite(chanOffs[i]+ADDR_LRAF,(isMuted[i]?0:(chan[i].pan<<6))|(chan[i].state.fms&7)|((chan[i].state.ams&3)<<4)); } if (chan[i].std.pitch.had) { if (chan[i].std.pitch.mode) { chan[i].pitch2+=chan[i].std.pitch.val; CLAMP_VAR(chan[i].pitch2,-32768,32767); } else { chan[i].pitch2=chan[i].std.pitch.val; } chan[i].freqChanged=true; } if (chan[i].std.phaseReset.had) { if (chan[i].std.phaseReset.val==1 && chan[i].active) { chan[i].keyOn=true; } } if (chan[i].std.alg.had) { chan[i].state.alg=chan[i].std.alg.val; rWrite(chanOffs[i]+ADDR_FB_ALG,(chan[i].state.alg&7)|(chan[i].state.fb<<3)); if (!parent->song.algMacroBehavior) for (int j=0; j<4; j++) { unsigned short baseAddr=chanOffs[i]|opOffs[j]; DivInstrumentFM::Operator& op=chan[i].state.op[j]; if (isMuted[i]) { rWrite(baseAddr+ADDR_TL,127); } else { if (KVS(i,j)) { rWrite(baseAddr+ADDR_TL,127-VOL_SCALE_LOG_BROKEN(127-op.tl,chan[i].outVol&0x7f,127)); } else { rWrite(baseAddr+ADDR_TL,op.tl); } } } } if (chan[i].std.fb.had) { chan[i].state.fb=chan[i].std.fb.val; rWrite(chanOffs[i]+ADDR_FB_ALG,(chan[i].state.alg&7)|(chan[i].state.fb<<3)); } if (chan[i].std.fms.had) { chan[i].state.fms=chan[i].std.fms.val; rWrite(chanOffs[i]+ADDR_LRAF,(isMuted[i]?0:(chan[i].pan<<6))|(chan[i].state.fms&7)|((chan[i].state.ams&3)<<4)); } if (chan[i].std.ams.had) { chan[i].state.ams=chan[i].std.ams.val; rWrite(chanOffs[i]+ADDR_LRAF,(isMuted[i]?0:(chan[i].pan<<6))|(chan[i].state.fms&7)|((chan[i].state.ams&3)<<4)); } if (chan[i].std.ex4.had && chan[i].active) { chan[i].opMask=chan[i].std.ex4.val&15; chan[i].opMaskChanged=true; } for (int j=0; j<4; j++) { unsigned short baseAddr=chanOffs[i]|opOffs[j]; DivInstrumentFM::Operator& op=chan[i].state.op[j]; DivMacroInt::IntOp& m=chan[i].std.op[j]; if (m.am.had) { op.am=m.am.val; rWrite(baseAddr+ADDR_AM_DR,(op.dr&31)|(op.am<<7)); } if (m.ar.had) { op.ar=m.ar.val; rWrite(baseAddr+ADDR_RS_AR,(op.ar&31)|(op.rs<<6)); } if (m.dr.had) { op.dr=m.dr.val; rWrite(baseAddr+ADDR_AM_DR,(op.dr&31)|(op.am<<7)); } if (m.mult.had) { op.mult=m.mult.val; rWrite(baseAddr+ADDR_MULT_DT,(op.mult&15)|(dtTable[op.dt&7]<<4)); } if (m.rr.had) { op.rr=m.rr.val; rWrite(baseAddr+ADDR_SL_RR,(op.rr&15)|(op.sl<<4)); } if (m.sl.had) { op.sl=m.sl.val; rWrite(baseAddr+ADDR_SL_RR,(op.rr&15)|(op.sl<<4)); } if (m.tl.had) { op.tl=127-m.tl.val; if (KVS(i,j)) { rWrite(baseAddr+ADDR_TL,127-VOL_SCALE_LOG_BROKEN(127-op.tl,chan[i].outVol&0x7f,127)); } else { rWrite(baseAddr+ADDR_TL,op.tl); } } if (m.rs.had) { op.rs=m.rs.val; rWrite(baseAddr+ADDR_RS_AR,(op.ar&31)|(op.rs<<6)); } if (m.dt.had) { op.dt=m.dt.val; rWrite(baseAddr+ADDR_MULT_DT,(op.mult&15)|(dtTable[op.dt&7]<<4)); } if (m.d2r.had) { op.d2r=m.d2r.val; rWrite(baseAddr+ADDR_DT2_D2R,op.d2r&31); } if (m.ssg.had) { op.ssgEnv=m.ssg.val; rWrite(baseAddr+ADDR_SSG,op.ssgEnv&15); } } if (chan[i].keyOn || chan[i].keyOff) { if (chan[i].hardReset && chan[i].keyOn) { for (int j=0; j<4; j++) { unsigned short baseAddr=chanOffs[i]|opOffs[j]; immWrite(baseAddr+ADDR_SL_RR,0x0f); immWrite(baseAddr+ADDR_TL,0x7f); oldWrites[baseAddr+ADDR_SL_RR]=-1; oldWrites[baseAddr+ADDR_TL]=-1; //rWrite(baseAddr+ADDR_SL_RR,(op.rr&15)|(op.sl<<4)); } } immWrite(0x28,0x00|konOffs[i]); if (chan[i].hardReset && chan[i].keyOn) { for (int j=0; j<4; j++) { unsigned short baseAddr=chanOffs[i]|opOffs[j]; for (int k=0; k<100; k++) { immWrite(baseAddr+ADDR_SL_RR,0x0f); } } } chan[i].keyOff=false; } } for (int i=16; i<512; i++) { if (pendingWrites[i]!=oldWrites[i]) { immWrite(i,pendingWrites[i]&0xff); oldWrites[i]=pendingWrites[i]; } } for (int i=0; i<6; i++) { if (i==2 && extMode) continue; if (chan[i].freqChanged) { if (parent->song.linearPitch==2) { chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,false,4,chan[i].pitch2,chipClock,CHIP_FREQBASE,11); } else { int fNum=parent->calcFreq(chan[i].baseFreq&0x7ff,chan[i].pitch,false,4,chan[i].pitch2); int block=(chan[i].baseFreq&0xf800)>>11; if (fNum<0) fNum=0; if (fNum>2047) { while (block<7) { fNum>>=1; block++; } if (fNum>2047) fNum=2047; } chan[i].freq=(block<<11)|fNum; } if (chan[i].freq>0x3fff) chan[i].freq=0x3fff; immWrite(chanOffs[i]+ADDR_FREQH,chan[i].freq>>8); immWrite(chanOffs[i]+ADDR_FREQ,chan[i].freq&0xff); chan[i].freqChanged=false; } if (chan[i].keyOn || chan[i].opMaskChanged) { immWrite(0x28,(chan[i].opMask<<4)|konOffs[i]); chan[i].opMaskChanged=false; chan[i].keyOn=false; } } // RSS for (int i=9; i<15; i++) { if (chan[i].furnacePCM) { chan[i].std.next(); if (chan[i].std.vol.had) { chan[i].outVol=(chan[i].vol*MIN(chan[i].macroVolMul,chan[i].std.vol.val))/chan[i].macroVolMul; } if (chan[i].std.duty.had) { if (globalRSSVolume!=(chan[i].std.duty.val&0x3f)) { globalRSSVolume=chan[i].std.duty.val&0x3f; immWrite(0x11,globalRSSVolume); } } if (chan[i].std.panL.had) { chan[i].pan=chan[i].std.panL.val&3; } if (chan[i].std.phaseReset.had) { if ((chan[i].std.phaseReset.val==1) && chan[i].active) { chan[i].keyOn=true; } } if (!isMuted[i] && (chan[i].std.vol.had || chan[i].std.panL.had)) { immWrite(0x18+(i-9),isMuted[i]?0:((chan[i].pan<<6)|chan[i].outVol)); } } if (chan[i].keyOff) { writeRSSOff|=(1<<(i-9)); chan[i].keyOff=false; } if (chan[i].keyOn) { writeRSSOn|=(1<<(i-9)); chan[i].keyOn=false; } } // ADPCM-B if (chan[15].furnacePCM) { chan[15].std.next(); if (chan[15].std.vol.had) { chan[15].outVol=(chan[15].vol*MIN(chan[15].macroVolMul,chan[15].std.vol.val))/chan[15].macroVolMul; immWrite(0x10b,chan[15].outVol); } if (chan[15].std.arp.had) { if (!chan[15].inPorta) { chan[15].baseFreq=NOTE_ADPCMB(parent->calcArp(chan[15].note,chan[15].std.arp.val)); } chan[15].freqChanged=true; } if (chan[15].std.panL.had) { if (chan[15].pan!=(chan[15].std.panL.val&3)) { chan[15].pan=chan[15].std.panL.val&3; if (!isMuted[15]) { immWrite(0x101,(isMuted[15]?0:(chan[15].pan<<6))|2); } } } if (chan[15].std.phaseReset.had) { if ((chan[15].std.phaseReset.val==1) && chan[15].active) { chan[15].keyOn=true; } } } if (chan[15].freqChanged || chan[15].keyOn || chan[15].keyOff) { if (chan[15].furnacePCM) { if (chan[15].sample>=0 && chan[15].samplesong.sampleLen) { double off=65535.0*(double)(parent->getSample(chan[15].sample)->centerRate)/8363.0; chan[15].freq=parent->calcFreq(chan[15].baseFreq,chan[15].pitch,false,4,chan[15].pitch2,(double)chipClock/144,off); } else { chan[15].freq=0; } } immWrite(0x109,chan[15].freq&0xff); immWrite(0x10a,(chan[15].freq>>8)&0xff); if (chan[15].keyOn || chan[15].keyOff) { if (chan[15].keyOff) immWrite(0x100,0x01); // reset if (chan[15].active && chan[15].keyOn && !chan[15].keyOff) { if (chan[15].sample>=0 && chan[15].samplesong.sampleLen) { DivSample* s=parent->getSample(chan[15].sample); immWrite(0x100,(s->isLoopable())?0xb0:0xa0); // start/repeat } } chan[15].keyOn=false; chan[15].keyOff=false; } chan[15].freqChanged=false; } if (writeRSSOff) { immWrite(0x10,0x80|writeRSSOff); writeRSSOff=0; } if (writeRSSOn) { immWrite(0x10,writeRSSOn); writeRSSOn=0; } // PSG ay->tick(sysTick); ay->flushWrites(); for (DivRegWrite& i: ay->getRegisterWrites()) { if (i.addr>15) continue; immWrite(i.addr&15,i.val); } ay->getRegisterWrites().clear(); } int DivPlatformYM2608::dispatch(DivCommand c) { if (c.chan>5 && c.chan<9) { c.chan-=6; return ay->dispatch(c); } switch (c.cmd) { case DIV_CMD_NOTE_ON: { if (c.chan>14) { // ADPCM-B DivInstrument* ins=parent->getIns(chan[c.chan].ins,DIV_INS_FM); chan[c.chan].macroVolMul=(ins->type==DIV_INS_AMIGA)?64:255; if (ins->type==DIV_INS_AMIGA || ins->type==DIV_INS_ADPCMB) { chan[c.chan].furnacePCM=true; } else { chan[c.chan].furnacePCM=false; } if (skipRegisterWrites) break; if (chan[c.chan].furnacePCM) { chan[c.chan].macroInit(ins); if (!chan[c.chan].std.vol.will) { chan[c.chan].outVol=chan[c.chan].vol; immWrite(0x10b,chan[c.chan].outVol); } chan[c.chan].sample=ins->amiga.getSample(c.value); if (chan[c.chan].sample>=0 && chan[c.chan].samplesong.sampleLen) { DivSample* s=parent->getSample(chan[c.chan].sample); immWrite(0x100,0x01); // reset immWrite(0x102,(sampleOffB[chan[c.chan].sample]>>5)&0xff); immWrite(0x103,(sampleOffB[chan[c.chan].sample]>>13)&0xff); int end=sampleOffB[chan[c.chan].sample]+s->lengthB-1; immWrite(0x104,(end>>5)&0xff); immWrite(0x105,(end>>13)&0xff); immWrite(0x101,(isMuted[c.chan]?0:(chan[c.chan].pan<<6))|2); if (c.value!=DIV_NOTE_NULL) { chan[c.chan].note=c.value; chan[c.chan].baseFreq=NOTE_ADPCMB(chan[c.chan].note); chan[c.chan].freqChanged=true; } chan[c.chan].active=true; chan[c.chan].keyOn=true; } else { immWrite(0x100,0x01); // reset immWrite(0x102,0); immWrite(0x103,0); immWrite(0x104,0); immWrite(0x105,0); break; } } else { chan[c.chan].sample=-1; chan[c.chan].macroInit(NULL); chan[c.chan].outVol=chan[c.chan].vol; if ((12*sampleBank+c.value%12)>=parent->song.sampleLen) { break; } chan[c.chan].sample=12*sampleBank+c.value%12; if (chan[c.chan].sample>=0 && chan[c.chan].samplesong.sampleLen) { DivSample* s=parent->getSample(chan[c.chan].sample); immWrite(0x100,0x01); // reset immWrite(0x102,(sampleOffB[chan[c.chan].sample]>>5)&0xff); immWrite(0x103,(sampleOffB[chan[c.chan].sample]>>13)&0xff); int end=sampleOffB[chan[c.chan].sample]+s->lengthB-1; immWrite(0x104,(end>>5)&0xff); immWrite(0x105,(end>>13)&0xff); immWrite(0x101,(isMuted[c.chan]?0:(chan[c.chan].pan<<6))|2); int freq=(65536.0*(double)s->rate)/((double)chipClock/144.0); immWrite(0x109,freq&0xff); immWrite(0x10a,(freq>>8)&0xff); immWrite(0x10b,chan[c.chan].outVol); chan[c.chan].active=true; chan[c.chan].keyOn=true; } else { immWrite(0x100,0x01); // reset immWrite(0x102,0); immWrite(0x103,0); immWrite(0x104,0); immWrite(0x105,0); break; } } break; } if (c.chan>8) { // RSS DivInstrument* ins=parent->getIns(chan[c.chan].ins,DIV_INS_FM); chan[c.chan].macroVolMul=(ins->type==DIV_INS_AMIGA)?64:31; if (ins->type==DIV_INS_AMIGA || ins->type==DIV_INS_ADPCMA) { chan[c.chan].furnacePCM=true; } else { chan[c.chan].furnacePCM=false; } if (skipRegisterWrites) break; if (chan[c.chan].furnacePCM) { chan[c.chan].macroInit(ins); if (!chan[c.chan].std.vol.will) { chan[c.chan].outVol=chan[c.chan].vol; immWrite(0x18+(c.chan-9),isMuted[c.chan]?0:((chan[c.chan].pan<<6)|chan[c.chan].outVol)); } } else { chan[c.chan].macroInit(NULL); chan[c.chan].outVol=chan[c.chan].vol; immWrite(0x18+(c.chan-9),isMuted[c.chan]?0:((chan[c.chan].pan<<6)|chan[c.chan].outVol)); } chan[c.chan].active=true; chan[c.chan].keyOn=true; break; } DivInstrument* ins=parent->getIns(chan[c.chan].ins,DIV_INS_FM); chan[c.chan].macroInit(ins); if (c.chan<6) { if (!chan[c.chan].std.vol.will) { chan[c.chan].outVol=chan[c.chan].vol; } } if (chan[c.chan].insChanged) { chan[c.chan].state=ins->fm; chan[c.chan].opMask= (chan[c.chan].state.op[0].enable?1:0)| (chan[c.chan].state.op[2].enable?2:0)| (chan[c.chan].state.op[1].enable?4:0)| (chan[c.chan].state.op[3].enable?8:0); } for (int i=0; i<4; i++) { unsigned short baseAddr=chanOffs[c.chan]|opOffs[i]; DivInstrumentFM::Operator& op=chan[c.chan].state.op[i]; if (KVS(c.chan,i)) { if (!chan[c.chan].active || chan[c.chan].insChanged) { rWrite(baseAddr+ADDR_TL,127-VOL_SCALE_LOG_BROKEN(127-op.tl,chan[c.chan].outVol&0x7f,127)); } } else { if (chan[c.chan].insChanged) { rWrite(baseAddr+ADDR_TL,op.tl); } } if (chan[c.chan].insChanged) { rWrite(baseAddr+ADDR_MULT_DT,(op.mult&15)|(dtTable[op.dt&7]<<4)); rWrite(baseAddr+ADDR_RS_AR,(op.ar&31)|(op.rs<<6)); rWrite(baseAddr+ADDR_AM_DR,(op.dr&31)|(op.am<<7)); rWrite(baseAddr+ADDR_DT2_D2R,op.d2r&31); rWrite(baseAddr+ADDR_SL_RR,(op.rr&15)|(op.sl<<4)); rWrite(baseAddr+ADDR_SSG,op.ssgEnv&15); } } if (chan[c.chan].insChanged) { rWrite(chanOffs[c.chan]+ADDR_FB_ALG,(chan[c.chan].state.alg&7)|(chan[c.chan].state.fb<<3)); rWrite(chanOffs[c.chan]+ADDR_LRAF,(isMuted[c.chan]?0:(chan[c.chan].pan<<6))|(chan[c.chan].state.fms&7)|((chan[c.chan].state.ams&3)<<4)); } chan[c.chan].insChanged=false; if (c.value!=DIV_NOTE_NULL) { chan[c.chan].baseFreq=NOTE_FNUM_BLOCK(c.value,11); chan[c.chan].portaPause=false; chan[c.chan].freqChanged=true; chan[c.chan].note=c.value; } chan[c.chan].keyOn=true; chan[c.chan].active=true; break; } case DIV_CMD_NOTE_OFF: chan[c.chan].keyOff=true; chan[c.chan].keyOn=false; chan[c.chan].active=false; chan[c.chan].macroInit(NULL); break; case DIV_CMD_NOTE_OFF_ENV: chan[c.chan].keyOff=true; chan[c.chan].keyOn=false; chan[c.chan].active=false; chan[c.chan].std.release(); break; case DIV_CMD_ENV_RELEASE: chan[c.chan].std.release(); break; case DIV_CMD_VOLUME: { chan[c.chan].vol=c.value; if (!chan[c.chan].std.vol.has) { chan[c.chan].outVol=c.value; } if (c.chan>14) { // ADPCM-B immWrite(0x10b,chan[c.chan].outVol); break; } if (c.chan>8) { // ADPCM-A immWrite(0x18+(c.chan-9),isMuted[c.chan]?0:((chan[c.chan].pan<<6)|chan[c.chan].outVol)); break; } for (int i=0; i<4; i++) { unsigned short baseAddr=chanOffs[c.chan]|opOffs[i]; DivInstrumentFM::Operator& op=chan[c.chan].state.op[i]; if (KVS(c.chan,i)) { rWrite(baseAddr+ADDR_TL,127-VOL_SCALE_LOG_BROKEN(127-op.tl,chan[c.chan].outVol&0x7f,127)); } else { rWrite(baseAddr+ADDR_TL,op.tl); } } break; } case DIV_CMD_ADPCMA_GLOBAL_VOLUME: { if (globalRSSVolume!=(c.value&0x3f)) { globalRSSVolume=c.value&0x3f; immWrite(0x11,globalRSSVolume&0x3f); } break; } case DIV_CMD_GET_VOLUME: { return chan[c.chan].vol; break; } case DIV_CMD_INSTRUMENT: if (chan[c.chan].ins!=c.value || c.value2==1) { chan[c.chan].insChanged=true; } chan[c.chan].ins=c.value; break; case DIV_CMD_PANNING: { if (c.value==0 && c.value2==0) { chan[c.chan].pan=3; } else { chan[c.chan].pan=(c.value2>0)|((c.value>0)<<1); } if (c.chan>14) { immWrite(0x101,(isMuted[c.chan]?0:(chan[c.chan].pan<<6))|2); break; } if (c.chan>8) { immWrite(0x18+(c.chan-9),isMuted[c.chan]?0:((chan[c.chan].pan<<6)|chan[c.chan].outVol)); break; } rWrite(chanOffs[c.chan]+ADDR_LRAF,(isMuted[c.chan]?0:(chan[c.chan].pan<<6))|(chan[c.chan].state.fms&7)|((chan[c.chan].state.ams&3)<<4)); break; } case DIV_CMD_PITCH: { if (c.chan==15 && !chan[c.chan].furnacePCM) break; chan[c.chan].pitch=c.value; chan[c.chan].freqChanged=true; break; } case DIV_CMD_NOTE_PORTA: { if (c.chan>5 || parent->song.linearPitch==2) { // PSG, ADPCM-B int destFreq=NOTE_OPNB(c.chan,c.value2); bool return2=false; if (destFreq>chan[c.chan].baseFreq) { chan[c.chan].baseFreq+=c.value; if (chan[c.chan].baseFreq>=destFreq) { chan[c.chan].baseFreq=destFreq; return2=true; } } else { chan[c.chan].baseFreq-=c.value; if (chan[c.chan].baseFreq<=destFreq) { chan[c.chan].baseFreq=destFreq; return2=true; } } chan[c.chan].freqChanged=true; if (return2) { chan[c.chan].inPorta=false; return 2; } break; } PLEASE_HELP_ME(chan[c.chan]); break; } case DIV_CMD_SAMPLE_BANK: sampleBank=c.value; if (sampleBank>(parent->song.sample.size()/12)) { sampleBank=parent->song.sample.size()/12; } iface.sampleBank=sampleBank; break; case DIV_CMD_LEGATO: { if (c.chan==15 && !chan[c.chan].furnacePCM) break; chan[c.chan].baseFreq=NOTE_OPNB(c.chan,c.value); chan[c.chan].freqChanged=true; break; } case DIV_CMD_FM_EXTCH: { if (extSys) { extMode=c.value; immWrite(0x27,extMode?0x40:0); } break; } case DIV_CMD_FM_LFO: { rWrite(0x22,(c.value&7)|((c.value>>4)<<3)); break; } case DIV_CMD_FM_FB: { if (c.chan>5) break; chan[c.chan].state.fb=c.value&7; rWrite(chanOffs[c.chan]+ADDR_FB_ALG,(chan[c.chan].state.alg&7)|(chan[c.chan].state.fb<<3)); break; } case DIV_CMD_FM_MULT: { if (c.chan>5) break; unsigned short baseAddr=chanOffs[c.chan]|opOffs[orderedOps[c.value]]; DivInstrumentFM::Operator& op=chan[c.chan].state.op[orderedOps[c.value]]; op.mult=c.value2&15; rWrite(baseAddr+ADDR_MULT_DT,(op.mult&15)|(dtTable[op.dt&7]<<4)); break; } case DIV_CMD_FM_TL: { if (c.chan>5) break; unsigned short baseAddr=chanOffs[c.chan]|opOffs[orderedOps[c.value]]; DivInstrumentFM::Operator& op=chan[c.chan].state.op[orderedOps[c.value]]; op.tl=c.value2; if (KVS(c.chan,c.value)) { rWrite(baseAddr+ADDR_TL,127-VOL_SCALE_LOG_BROKEN(127-op.tl,chan[c.chan].outVol&0x7f,127)); } else { rWrite(baseAddr+ADDR_TL,op.tl); } break; } case DIV_CMD_FM_AR: { if (c.chan>5) break; if (c.value<0) { for (int i=0; i<4; i++) { DivInstrumentFM::Operator& op=chan[c.chan].state.op[i]; op.ar=c.value2&31; unsigned short baseAddr=chanOffs[c.chan]|opOffs[i]; rWrite(baseAddr+ADDR_RS_AR,(op.ar&31)|(op.rs<<6)); } } else { DivInstrumentFM::Operator& op=chan[c.chan].state.op[orderedOps[c.value]]; op.ar=c.value2&31; unsigned short baseAddr=chanOffs[c.chan]|opOffs[orderedOps[c.value]]; rWrite(baseAddr+ADDR_RS_AR,(op.ar&31)|(op.rs<<6)); } break; } case DIV_CMD_FM_RS: { if (c.value<0) { for (int i=0; i<4; i++) { DivInstrumentFM::Operator& op=chan[c.chan].state.op[i]; op.rs=c.value2&3; unsigned short baseAddr=chanOffs[c.chan]|opOffs[i]; rWrite(baseAddr+ADDR_RS_AR,(op.ar&31)|(op.rs<<6)); } } else if (c.value<4) { DivInstrumentFM::Operator& op=chan[c.chan].state.op[orderedOps[c.value]]; op.rs=c.value2&3; unsigned short baseAddr=chanOffs[c.chan]|opOffs[orderedOps[c.value]]; rWrite(baseAddr+ADDR_RS_AR,(op.ar&31)|(op.rs<<6)); } break; } case DIV_CMD_FM_AM: { if (c.value<0) { for (int i=0; i<4; i++) { DivInstrumentFM::Operator& op=chan[c.chan].state.op[i]; op.am=c.value2&1; unsigned short baseAddr=chanOffs[c.chan]|opOffs[i]; rWrite(baseAddr+ADDR_AM_DR,(op.dr&31)|(op.am<<7)); } } else if (c.value<4) { DivInstrumentFM::Operator& op=chan[c.chan].state.op[orderedOps[c.value]]; op.am=c.value2&1; unsigned short baseAddr=chanOffs[c.chan]|opOffs[orderedOps[c.value]]; rWrite(baseAddr+ADDR_AM_DR,(op.dr&31)|(op.am<<7)); } break; } case DIV_CMD_FM_DR: { if (c.value<0) { for (int i=0; i<4; i++) { DivInstrumentFM::Operator& op=chan[c.chan].state.op[i]; op.dr=c.value2&31; unsigned short baseAddr=chanOffs[c.chan]|opOffs[i]; rWrite(baseAddr+ADDR_AM_DR,(op.dr&31)|(op.am<<7)); } } else if (c.value<4) { DivInstrumentFM::Operator& op=chan[c.chan].state.op[orderedOps[c.value]]; op.dr=c.value2&31; unsigned short baseAddr=chanOffs[c.chan]|opOffs[orderedOps[c.value]]; rWrite(baseAddr+ADDR_AM_DR,(op.dr&31)|(op.am<<7)); } break; } case DIV_CMD_FM_SL: { if (c.value<0) { for (int i=0; i<4; i++) { DivInstrumentFM::Operator& op=chan[c.chan].state.op[i]; op.sl=c.value2&15; unsigned short baseAddr=chanOffs[c.chan]|opOffs[i]; rWrite(baseAddr+ADDR_SL_RR,(op.rr&15)|(op.sl<<4)); } } else if (c.value<4) { DivInstrumentFM::Operator& op=chan[c.chan].state.op[orderedOps[c.value]]; op.sl=c.value2&15; unsigned short baseAddr=chanOffs[c.chan]|opOffs[orderedOps[c.value]]; rWrite(baseAddr+ADDR_SL_RR,(op.rr&15)|(op.sl<<4)); } break; } case DIV_CMD_FM_RR: { if (c.value<0) { for (int i=0; i<4; i++) { DivInstrumentFM::Operator& op=chan[c.chan].state.op[i]; op.rr=c.value2&15; unsigned short baseAddr=chanOffs[c.chan]|opOffs[i]; rWrite(baseAddr+ADDR_SL_RR,(op.rr&15)|(op.sl<<4)); } } else if (c.value<4) { DivInstrumentFM::Operator& op=chan[c.chan].state.op[orderedOps[c.value]]; op.rr=c.value2&15; unsigned short baseAddr=chanOffs[c.chan]|opOffs[orderedOps[c.value]]; rWrite(baseAddr+ADDR_SL_RR,(op.rr&15)|(op.sl<<4)); } break; } case DIV_CMD_FM_D2R: { if (c.value<0) { for (int i=0; i<4; i++) { DivInstrumentFM::Operator& op=chan[c.chan].state.op[i]; op.d2r=c.value2&31; unsigned short baseAddr=chanOffs[c.chan]|opOffs[i]; rWrite(baseAddr+ADDR_DT2_D2R,op.d2r&31); } } else if (c.value<4) { DivInstrumentFM::Operator& op=chan[c.chan].state.op[orderedOps[c.value]]; op.d2r=c.value2&31; unsigned short baseAddr=chanOffs[c.chan]|opOffs[orderedOps[c.value]]; rWrite(baseAddr+ADDR_DT2_D2R,op.d2r&31); } break; } case DIV_CMD_FM_DT: { if (c.value<0) { for (int i=0; i<4; i++) { DivInstrumentFM::Operator& op=chan[c.chan].state.op[i]; op.dt=c.value&7; unsigned short baseAddr=chanOffs[c.chan]|opOffs[i]; rWrite(baseAddr+ADDR_MULT_DT,(op.mult&15)|(dtTable[op.dt&7]<<4)); } } else if (c.value<4) { DivInstrumentFM::Operator& op=chan[c.chan].state.op[orderedOps[c.value]]; op.dt=c.value2&7; unsigned short baseAddr=chanOffs[c.chan]|opOffs[orderedOps[c.value]]; rWrite(baseAddr+ADDR_MULT_DT,(op.mult&15)|(dtTable[op.dt&7]<<4)); } break; } case DIV_CMD_FM_SSG: { if (c.value<0) { for (int i=0; i<4; i++) { DivInstrumentFM::Operator& op=chan[c.chan].state.op[i]; op.ssgEnv=8^(c.value2&15); unsigned short baseAddr=chanOffs[c.chan]|opOffs[i]; rWrite(baseAddr+ADDR_SSG,op.ssgEnv&15); } } else if (c.value<4) { DivInstrumentFM::Operator& op=chan[c.chan].state.op[orderedOps[c.value]]; op.ssgEnv=8^(c.value2&15); unsigned short baseAddr=chanOffs[c.chan]|opOffs[orderedOps[c.value]]; rWrite(baseAddr+ADDR_SSG,op.ssgEnv&15); } break; } case DIV_CMD_FM_HARD_RESET: chan[c.chan].hardReset=c.value; break; case DIV_CMD_MACRO_OFF: chan[c.chan].std.mask(c.value,true); break; case DIV_CMD_MACRO_ON: chan[c.chan].std.mask(c.value,false); break; case DIV_ALWAYS_SET_VOLUME: return 0; break; case DIV_CMD_GET_VOLMAX: if (c.chan>14) return 255; if (c.chan>8) return 31; if (c.chan>5) return 15; return 127; break; case DIV_CMD_PRE_PORTA: if (c.chan>5) { if (chan[c.chan].active && c.value2) { if (parent->song.resetMacroOnPorta) chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_FM)); } } chan[c.chan].inPorta=c.value; break; case DIV_CMD_PRE_NOTE: break; default: //printf("WARNING: unimplemented command %d\n",c.cmd); break; } return 1; } void DivPlatformYM2608::muteChannel(int ch, bool mute) { isMuted[ch]=mute; if (ch>14) { // ADPCM-B immWrite(0x101,(isMuted[ch]?0:(chan[ch].pan<<6))|2); } if (ch>8) { // ADPCM-A immWrite(0x18+(ch-9),isMuted[ch]?0:((chan[ch].pan<<6)|chan[ch].outVol)); return; } if (ch>5) { // PSG ay->muteChannel(ch-6,mute); return; } // FM rWrite(chanOffs[ch]+ADDR_LRAF,(isMuted[ch]?0:(chan[ch].pan<<6))|(chan[ch].state.fms&7)|((chan[ch].state.ams&3)<<4)); } void DivPlatformYM2608::forceIns() { for (int i=0; i<6; i++) { for (int j=0; j<4; j++) { unsigned short baseAddr=chanOffs[i]|opOffs[j]; DivInstrumentFM::Operator& op=chan[i].state.op[j]; if (KVS(i,j)) { rWrite(baseAddr+ADDR_TL,127-VOL_SCALE_LOG_BROKEN(127-op.tl,chan[i].outVol&0x7f,127)); } else { rWrite(baseAddr+ADDR_TL,op.tl); } rWrite(baseAddr+ADDR_MULT_DT,(op.mult&15)|(dtTable[op.dt&7]<<4)); rWrite(baseAddr+ADDR_RS_AR,(op.ar&31)|(op.rs<<6)); rWrite(baseAddr+ADDR_AM_DR,(op.dr&31)|(op.am<<7)); rWrite(baseAddr+ADDR_DT2_D2R,op.d2r&31); rWrite(baseAddr+ADDR_SL_RR,(op.rr&15)|(op.sl<<4)); rWrite(baseAddr+ADDR_SSG,op.ssgEnv&15); } rWrite(chanOffs[i]+ADDR_FB_ALG,(chan[i].state.alg&7)|(chan[i].state.fb<<3)); rWrite(chanOffs[i]+ADDR_LRAF,(isMuted[i]?0:(chan[i].pan<<6))|(chan[i].state.fms&7)|((chan[i].state.ams&3)<<4)); if (chan[i].active) { chan[i].keyOn=true; chan[i].freqChanged=true; } } for (int i=9; i<16; i++) { chan[i].insChanged=true; if (i>14) { // ADPCM-B immWrite(0x10b,chan[i].outVol); } else { immWrite(0x18+(i-9),isMuted[i]?0:((chan[i].pan<<6)|chan[i].outVol)); } } ay->forceIns(); ay->flushWrites(); for (DivRegWrite& i: ay->getRegisterWrites()) { if (i.addr>15) continue; immWrite(i.addr&15,i.val); } ay->getRegisterWrites().clear(); } void* DivPlatformYM2608::getChanState(int ch) { return &chan[ch]; } DivMacroInt* DivPlatformYM2608::getChanMacroInt(int ch) { if (ch>=6 && ch<9) return ay->getChanMacroInt(ch-6); return &chan[ch].std; } DivDispatchOscBuffer* DivPlatformYM2608::getOscBuffer(int ch) { return oscBuf[ch]; } unsigned char* DivPlatformYM2608::getRegisterPool() { return regPool; } int DivPlatformYM2608::getRegisterPoolSize() { return 512; } void DivPlatformYM2608::poke(unsigned int addr, unsigned short val) { immWrite(addr,val); } void DivPlatformYM2608::poke(std::vector& wlist) { for (DivRegWrite& i: wlist) immWrite(i.addr,i.val); } void DivPlatformYM2608::reset() { while (!writes.empty()) writes.pop_front(); memset(regPool,0,512); if (dumpWrites) { addWrite(0xffffffff,0); } fm->reset(); for (int i=0; i<16; i++) { chan[i]=DivPlatformOPN::OPNChannelStereo(); chan[i].std.setEngine(parent); } for (int i=0; i<6; i++) { chan[i].vol=0x7f; chan[i].outVol=0x7f; } for (int i=6; i<9; i++) { chan[i].vol=0x0f; } for (int i=9; i<15; i++) { chan[i].vol=0x1f; } chan[15].vol=0xff; for (int i=0; i<512; i++) { oldWrites[i]=-1; pendingWrites[i]=-1; } lastBusy=60; sampleBank=0; writeRSSOff=0; writeRSSOn=0; globalRSSVolume=0x3f; delay=0; extMode=false; // LFO immWrite(0x22,0x08); // PCM volume immWrite(0x11,globalRSSVolume); // A immWrite(0x10b,0xff); // B // ADPCM limit immWrite(0x10d,0xff); immWrite(0x10c,0xff); // enable 6 channel mode immWrite(0x29,0x80); // set prescaler immWrite(0x2d,0xff); immWrite(prescale,0xff); ay->reset(); ay->getRegisterWrites().clear(); ay->flushWrites(); } bool DivPlatformYM2608::isStereo() { return true; } bool DivPlatformYM2608::keyOffAffectsArp(int ch) { return (ch>5); } void DivPlatformYM2608::notifyInsChange(int ins) { for (int i=0; i<16; i++) { if (chan[i].ins==ins) { chan[i].insChanged=true; } } ay->notifyInsChange(ins); } void DivPlatformYM2608::notifyInsDeletion(void* ins) { ay->notifyInsDeletion(ins); } void DivPlatformYM2608::setSkipRegisterWrites(bool value) { DivDispatch::setSkipRegisterWrites(value); ay->setSkipRegisterWrites(value); } const void* DivPlatformYM2608::getSampleMem(int index) { return index == 0 ? adpcmBMem : NULL; } size_t DivPlatformYM2608::getSampleMemCapacity(int index) { return index == 0 ? 262144 : 0; } size_t DivPlatformYM2608::getSampleMemUsage(int index) { return index == 0 ? adpcmBMemLen : 0; } bool DivPlatformYM2608::isSampleLoaded(int index, int sample) { if (index!=0) return false; if (sample<0 || sample>255) return false; return sampleLoaded[sample]; } void DivPlatformYM2608::renderSamples(int sysID) { memset(adpcmBMem,0,getSampleMemCapacity(0)); memset(sampleOffB,0,256*sizeof(unsigned int)); memset(sampleLoaded,0,256*sizeof(bool)); size_t memPos=0; for (int i=0; isong.sampleLen; i++) { DivSample* s=parent->song.sample[i]; if (!s->renderOn[0][sysID]) { sampleOffB[i]=0; continue; } int paddedLen=(s->lengthB+255)&(~0xff); if ((memPos&0xf00000)!=((memPos+paddedLen)&0xf00000)) { memPos=(memPos+0xfffff)&0xf00000; } if (memPos>=getSampleMemCapacity(0)) { logW("out of ADPCM memory for sample %d!",i); break; } if (memPos+paddedLen>=getSampleMemCapacity(0)) { memcpy(adpcmBMem+memPos,s->dataB,getSampleMemCapacity(0)-memPos); logW("out of ADPCM memory for sample %d!",i); } else { memcpy(adpcmBMem+memPos,s->dataB,paddedLen); sampleLoaded[i]=true; } sampleOffB[i]=memPos; memPos+=paddedLen; } adpcmBMemLen=memPos+256; } void DivPlatformYM2608::setFlags(const DivConfig& flags) { // Clock flags switch (flags.getInt("clockSel",0)) { case 0x01: chipClock=38400*13*16; // 31948800/4 break; default: chipClock=8000000.0; break; } // Prescaler flags switch (flags.getInt("prescale",0)) { case 0x01: // /3 prescale=0x2e; fmFreqBase=9440540.0/2.0, fmDivBase=36, ayDiv=16; break; case 0x02: // /2 prescale=0x2f; fmFreqBase=9440540.0/3.0, fmDivBase=24, ayDiv=8; break; default: // /6 prescale=0x2d; fmFreqBase=9440540.0, fmDivBase=72, ayDiv=32; break; } CHECK_CUSTOM_CLOCK; noExtMacros=flags.getBool("noExtMacros",false); rate=fm->sample_rate(chipClock); for (int i=0; i<16; i++) { oscBuf[i]->rate=rate; } immWrite(0x2d,0xff); immWrite(prescale,0xff); ay->setExtClockDiv(chipClock,ayDiv); ay->setFlags(ayFlags); } int DivPlatformYM2608::init(DivEngine* p, int channels, int sugRate, const DivConfig& flags) { parent=p; ayFlags.set("chipType",1); adpcmBMem=new unsigned char[getSampleMemCapacity(0)]; adpcmBMemLen=0; iface.adpcmBMem=adpcmBMem; iface.sampleBank=0; dumpWrites=false; skipRegisterWrites=false; for (int i=0; i<16; i++) { isMuted[i]=false; oscBuf[i]=new DivDispatchOscBuffer; } fm=new ymfm::ym2608(iface); fm->set_fidelity(ymfm::OPN_FIDELITY_MIN); // YM2149, 2MHz ay=new DivPlatformAY8910(true,chipClock,ayDiv); ay->init(p,3,sugRate,ayFlags); ay->toggleRegisterDump(true); setFlags(flags); reset(); return 16; } void DivPlatformYM2608::quit() { for (int i=0; i<16; i++) { delete oscBuf[i]; } ay->quit(); delete ay; delete fm; delete[] adpcmBMem; } DivPlatformYM2608::~DivPlatformYM2608() { }