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furnace/src/engine/platform/ym2610.cpp
tildearrow d240066df8 fix issue #1371
2023-08-24 03:25:38 -05:00

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/**
* Furnace Tracker - multi-system chiptune tracker
* Copyright (C) 2021-2023 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 "ym2610.h"
#include <math.h>
const char* regCheatSheetYM2610[]={
// 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 1-2)
"FM1_Op1_DT_MULT", "031",
"FM2_Op1_DT_MULT", "032",
"FM1_Op2_DT_MULT", "035",
"FM2_Op2_DT_MULT", "036",
"FM1_Op3_DT_MULT", "039",
"FM2_Op3_DT_MULT", "03A",
"FM1_Op4_DT_MULT", "03D",
"FM2_Op4_DT_MULT", "03E",
"FM1_Op1_TL", "041",
"FM2_Op1_TL", "042",
"FM1_Op2_TL", "045",
"FM2_Op2_TL", "046",
"FM1_Op3_TL", "049",
"FM2_Op3_TL", "04A",
"FM1_Op4_TL", "04D",
"FM2_Op4_TL", "04E",
"FM1_Op1_KS_AR", "051",
"FM2_Op1_KS_AR", "052",
"FM1_Op2_KS_AR", "055",
"FM2_Op2_KS_AR", "056",
"FM1_Op3_KS_AR", "059",
"FM2_Op3_KS_AR", "05A",
"FM1_Op4_KS_AR", "05D",
"FM2_Op4_KS_AR", "05E",
"FM1_Op1_AM_DR", "061",
"FM2_Op1_AM_DR", "062",
"FM1_Op2_AM_DR", "065",
"FM2_Op2_AM_DR", "066",
"FM1_Op3_AM_DR", "069",
"FM2_Op3_AM_DR", "06A",
"FM1_Op4_AM_DR", "06D",
"FM2_Op4_AM_DR", "06E",
"FM1_Op1_SR", "071",
"FM2_Op1_SR", "072",
"FM1_Op2_SR", "075",
"FM2_Op2_SR", "076",
"FM1_Op3_SR", "079",
"FM2_Op3_SR", "07A",
"FM1_Op4_SR", "07D",
"FM2_Op4_SR", "07E",
"FM1_Op1_SL_RR", "081",
"FM2_Op1_SL_RR", "082",
"FM1_Op2_SL_RR", "085",
"FM2_Op2_SL_RR", "086",
"FM1_Op3_SL_RR", "089",
"FM2_Op3_SL_RR", "08A",
"FM1_Op4_SL_RR", "08D",
"FM2_Op4_SL_RR", "08E",
"FM1_Op1_SSG_EG", "091",
"FM2_Op1_SSG_EG", "092",
"FM1_Op2_SSG_EG", "095",
"FM2_Op2_SSG_EG", "096",
"FM1_Op3_SSG_EG", "099",
"FM2_Op3_SSG_EG", "09A",
"FM1_Op4_SSG_EG", "09D",
"FM2_Op4_SSG_EG", "09E",
"FM1_FNum1", "0A1",
"FM2_(Op1)FNum1", "0A2",
"FM1_FNum2", "0A5",
"FM2_(Op1)FNum2", "0A6",
"FM2_Op2_FNum1", "0A8",
"FM2_Op3_FNum1", "0A9",
"FM2_Op4_FNum1", "0AA",
"FM2_Op2_FNum2", "0AC",
"FM2_Op3_FNum2", "0AD",
"FM2_Op4_FNum2", "0AE",
"FM1_FB_ALG", "0B1",
"FM2_FB_ALG", "0B2",
"FM1_Pan_LFO", "0B5",
"FM2_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",
"ADPCMA_Ch1_StL", "110",
"ADPCMA_Ch2_StL", "111",
"ADPCMA_Ch3_StL", "112",
"ADPCMA_Ch4_StL", "113",
"ADPCMA_Ch5_StL", "114",
"ADPCMA_Ch6_StL", "115",
"ADPCMA_Ch1_StH", "118",
"ADPCMA_Ch2_StH", "119",
"ADPCMA_Ch3_StH", "11A",
"ADPCMA_Ch4_StH", "11B",
"ADPCMA_Ch5_StH", "11C",
"ADPCMA_Ch6_StH", "11D",
"ADPCMA_Ch1_EdL", "120",
"ADPCMA_Ch2_EdL", "121",
"ADPCMA_Ch3_EdL", "122",
"ADPCMA_Ch4_EdL", "123",
"ADPCMA_Ch5_EdL", "124",
"ADPCMA_Ch6_EdL", "125",
"ADPCMA_Ch1_EdH", "128",
"ADPCMA_Ch2_EdH", "129",
"ADPCMA_Ch3_EdH", "12A",
"ADPCMA_Ch4_EdH", "12B",
"ADPCMA_Ch5_EdH", "12C",
"ADPCMA_Ch6_EdH", "12D",
// FM (Channel 3-4)
"FM3_Op1_DT_MULT", "131",
"FM4_Op1_DT_MULT", "132",
"FM3_Op2_DT_MULT", "135",
"FM4_Op2_DT_MULT", "136",
"FM3_Op3_DT_MULT", "139",
"FM4_Op3_DT_MULT", "13A",
"FM3_Op4_DT_MULT", "13D",
"FM4_Op4_DT_MULT", "13E",
"FM3_Op1_TL", "141",
"FM4_Op1_TL", "142",
"FM3_Op2_TL", "145",
"FM4_Op2_TL", "146",
"FM3_Op3_TL", "149",
"FM4_Op3_TL", "14A",
"FM3_Op4_TL", "14D",
"FM4_Op4_TL", "14E",
"FM3_Op1_KS_AR", "151",
"FM4_Op1_KS_AR", "152",
"FM3_Op2_KS_AR", "155",
"FM4_Op2_KS_AR", "156",
"FM3_Op3_KS_AR", "159",
"FM4_Op3_KS_AR", "15A",
"FM3_Op4_KS_AR", "15D",
"FM4_Op4_KS_AR", "15E",
"FM3_Op1_AM_DR", "161",
"FM4_Op1_AM_DR", "162",
"FM3_Op2_AM_DR", "165",
"FM4_Op2_AM_DR", "166",
"FM3_Op3_AM_DR", "169",
"FM4_Op3_AM_DR", "16A",
"FM3_Op4_AM_DR", "16D",
"FM4_Op4_AM_DR", "16E",
"FM3_Op1_SR", "171",
"FM4_Op1_SR", "172",
"FM3_Op2_SR", "175",
"FM4_Op2_SR", "176",
"FM3_Op3_SR", "179",
"FM4_Op3_SR", "17A",
"FM3_Op4_SR", "17D",
"FM4_Op4_SR", "17E",
"FM3_Op1_SL_RR", "181",
"FM4_Op1_SL_RR", "182",
"FM3_Op2_SL_RR", "185",
"FM4_Op2_SL_RR", "186",
"FM3_Op3_SL_RR", "189",
"FM4_Op3_SL_RR", "18A",
"FM3_Op4_SL_RR", "18D",
"FM4_Op4_SL_RR", "18E",
"FM3_Op1_SSG_EG", "191",
"FM4_Op1_SSG_EG", "192",
"FM3_Op2_SSG_EG", "195",
"FM4_Op2_SSG_EG", "196",
"FM3_Op3_SSG_EG", "199",
"FM4_Op3_SSG_EG", "19A",
"FM3_Op4_SSG_EG", "19D",
"FM4_Op4_SSG_EG", "19E",
"FM3_FNum1", "1A1",
"FM4_FNum1", "1A2",
"FM3_FNum2", "1A5",
"FM4_FNum2", "1A6",
"FM3_FB_ALG", "1B1",
"FM4_FB_ALG", "1B2",
"FM3_Pan_LFO", "1B5",
"FM4_Pan_LFO", "1B6",
NULL
};
const char** DivPlatformYM2610::getRegisterSheet() {
return regCheatSheetYM2610;
}
void DivPlatformYM2610::acquire(short** buf, size_t len) {
if (useCombo) {
acquire_combo(buf,len);
} else {
acquire_ymfm(buf,len);
}
}
void DivPlatformYM2610::acquire_combo(short** buf, size_t len) {
static int os[2];
static short ignored[2];
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::adpcm_a_channel* adpcmAChan[6];
for (int i=0; i<6; i++) {
adpcmAChan[i]=aae->debug_channel(i);
}
for (size_t h=0; h<len; h++) {
// AY -> OPN
ay->runDAC();
ay->flushWrites();
for (DivRegWrite& i: ay->getRegisterWrites()) {
if (i.addr>15) continue;
immWrite(i.addr&15,i.val);
}
ay->getRegisterWrites().clear();
os[0]=0; os[1]=0;
// Nuked part
for (int i=0; i<24; i++) {
if (!writes.empty()) {
if (--delay<1 && !(fm->read(0)&0x80)) {
QueuedWrite& w=writes.front();
if (w.addr<=0x1c || (w.addr>=0x100 && w.addr<=0x12d)) {
// ymfm write
fm->write(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=32;
} else {
// Nuked write
if (w.addrOrVal) {
OPN2_Write(&fm_nuked,0x1+((w.addr>>8)<<1),w.val);
regPool[w.addr&0x1ff]=w.val;
writes.pop_front();
} else {
lastBusy++;
if (fm_nuked.write_busy==0) {
OPN2_Write(&fm_nuked,0x0+((w.addr>>8)<<1),w.addr);
w.addrOrVal=true;
}
}
}
}
}
OPN2_Clock(&fm_nuked,ignored);
}
os[0]=(
(fm_nuked.pan_l[1]?fm_nuked.ch_out[1]:0)+
(fm_nuked.pan_l[2]?fm_nuked.ch_out[2]:0)+
(fm_nuked.pan_l[4]?fm_nuked.ch_out[4]:0)+
(fm_nuked.pan_l[5]?fm_nuked.ch_out[5]:0)
);
os[1]=(
(fm_nuked.pan_r[1]?fm_nuked.ch_out[1]:0)+
(fm_nuked.pan_r[2]?fm_nuked.ch_out[2]:0)+
(fm_nuked.pan_r[4]?fm_nuked.ch_out[4]:0)+
(fm_nuked.pan_r[5]?fm_nuked.ch_out[5]:0)
);
os[0]>>=1;
os[1]>>=1;
os[0]=(os[0]*fmVol)>>8;
os[1]=(os[1]*fmVol)>>8;
// ymfm part
fm->generate(&fmout);
os[0]+=((fmout.data[0]*fmVol)>>8)+((fmout.data[2]*ssgVol)>>8);
if (os[0]<-32768) os[0]=-32768;
if (os[0]>32767) os[0]=32767;
os[1]+=((fmout.data[1]*fmVol)>>8)+((fmout.data[2]*ssgVol)>>8);
if (os[1]<-32768) os[1]=-32768;
if (os[1]>32767) os[1]=32767;
buf[0][h]=os[0];
buf[1][h]=os[1];
for (int i=0; i<psgChanOffs; i++) {
oscBuf[i]->data[oscBuf[i]->needle++]=fm_nuked.ch_out[bchOffs[i]]<<1;
}
ssge->get_last_out(ssgOut);
for (int i=psgChanOffs; i<adpcmAChanOffs; i++) {
oscBuf[i]->data[oscBuf[i]->needle++]=ssgOut.data[i-psgChanOffs]<<1;
}
for (int i=adpcmAChanOffs; i<adpcmBChanOffs; i++) {
oscBuf[i]->data[oscBuf[i]->needle++]=(adpcmAChan[i-adpcmAChanOffs]->get_last_out(0)+adpcmAChan[i-adpcmAChanOffs]->get_last_out(1))>>1;
}
oscBuf[adpcmBChanOffs]->data[oscBuf[adpcmBChanOffs]->needle++]=(abe->get_last_out(0)+abe->get_last_out(1))>>1;
}
}
void DivPlatformYM2610::acquire_ymfm(short** buf, size_t len) {
static int os[2];
ymfm::ym2610::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<ymfm::opn_registers_base<true>>* fmChan[4];
ymfm::adpcm_a_channel* adpcmAChan[6];
for (int i=0; i<4; i++) {
fmChan[i]=fme->debug_channel(bchOffs[i]);
}
for (int i=0; i<6; i++) {
adpcmAChan[i]=aae->debug_channel(i);
}
for (size_t h=0; h<len; h++) {
// AY -> OPN
ay->runDAC();
ay->flushWrites();
for (DivRegWrite& i: ay->getRegisterWrites()) {
if (i.addr>15) continue;
immWrite(i.addr&15,i.val);
}
ay->getRegisterWrites().clear();
os[0]=0; os[1]=0;
if (!writes.empty()) {
if (--delay<1 && !(fm->read(0)&0x80)) {
QueuedWrite& w=writes.front();
fm->write(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=1;
}
}
fm->generate(&fmout);
os[0]+=((fmout.data[0]*fmVol)>>8)+((fmout.data[2]*ssgVol)>>8);
if (os[0]<-32768) os[0]=-32768;
if (os[0]>32767) os[0]=32767;
os[1]+=((fmout.data[1]*fmVol)>>8)+((fmout.data[2]*ssgVol)>>8);
if (os[1]<-32768) os[1]=-32768;
if (os[1]>32767) os[1]=32767;
buf[0][h]=os[0];
buf[1][h]=os[1];
for (int i=0; i<psgChanOffs; i++) {
oscBuf[i]->data[oscBuf[i]->needle++]=(fmChan[i]->debug_output(0)+fmChan[i]->debug_output(1))<<1;
}
ssge->get_last_out(ssgOut);
for (int i=psgChanOffs; i<adpcmAChanOffs; i++) {
oscBuf[i]->data[oscBuf[i]->needle++]=ssgOut.data[i-psgChanOffs]<<1;
}
for (int i=adpcmAChanOffs; i<adpcmBChanOffs; i++) {
oscBuf[i]->data[oscBuf[i]->needle++]=(adpcmAChan[i-adpcmAChanOffs]->get_last_out(0)+adpcmAChan[i-adpcmAChanOffs]->get_last_out(1))>>1;
}
oscBuf[adpcmBChanOffs]->data[oscBuf[adpcmBChanOffs]->needle++]=(abe->get_last_out(0)+abe->get_last_out(1))>>1;
}
}
void DivPlatformYM2610::tick(bool sysTick) {
// FM
for (int i=0; i<psgChanOffs; i++) {
if (i==1 && 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 (isMuted[i] || !op.enable) {
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 (NEW_ARP_STRAT) {
chan[i].handleArp();
} else 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,-1048576,1048575);
} 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] || !op.enable) {
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.ex3.had) {
lfoValue=(chan[i].std.ex3.val>7)?0:(8|(chan[i].std.ex3.val&7));
rWrite(0x22,lfoValue);
}
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=m.tl.val;
if (isMuted[i] || !op.enable) {
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 (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);
}
}
}
for (int i=16; i<512; i++) {
if (pendingWrites[i]!=oldWrites[i]) {
immWrite(i,pendingWrites[i]&0xff);
oldWrites[i]=pendingWrites[i];
}
}
int hardResetElapsed=0;
bool mustHardReset=false;
for (int i=0; i<psgChanOffs; i++) {
if (i==1 && extMode) continue;
if (chan[i].keyOn || chan[i].keyOff) {
immWrite(0x28,0x00|konOffs[i]);
if (chan[i].hardReset && chan[i].keyOn) {
mustHardReset=true;
for (int j=0; j<4; j++) {
unsigned short baseAddr=chanOffs[i]|opOffs[j];
immWrite(baseAddr+ADDR_SL_RR,0x0f);
hardResetElapsed++;
}
}
chan[i].keyOff=false;
}
}
for (int i=0; i<psgChanOffs; i++) {
if (i==1 && extMode) continue;
if (chan[i].freqChanged) {
if (parent->song.linearPitch==2) {
chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,chan[i].fixedArp?chan[i].baseNoteOverride:chan[i].arpOff,chan[i].fixedArp,false,4,chan[i].pitch2,chipClock,CHIP_FREQBASE,11);
} else {
int fNum=parent->calcFreq(chan[i].baseFreq&0x7ff,chan[i].pitch,chan[i].fixedArp?chan[i].baseNoteOverride:chan[i].arpOff,chan[i].fixedArp,false,4,chan[i].pitch2,chipClock,CHIP_FREQBASE,11);
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);
hardResetElapsed+=2;
chan[i].freqChanged=false;
}
if ((chan[i].keyOn || chan[i].opMaskChanged) && !chan[i].hardReset) {
immWrite(0x28,(chan[i].opMask<<4)|konOffs[i]);
hardResetElapsed++;
chan[i].opMaskChanged=false;
chan[i].keyOn=false;
}
}
// ADPCM-A
for (int i=adpcmAChanOffs; i<adpcmBChanOffs; 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 (globalADPCMAVolume!=(chan[i].std.duty.val&0x3f)) {
globalADPCMAVolume=chan[i].std.duty.val&0x3f;
immWrite(0x101,globalADPCMAVolume);
hardResetElapsed++;
}
}
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(0x108+(i-adpcmAChanOffs),isMuted[i]?0:((chan[i].pan<<6)|chan[i].outVol));
hardResetElapsed++;
}
}
if (chan[i].keyOff) {
writeADPCMAOff|=(1<<(i-adpcmAChanOffs));
chan[i].keyOff=false;
}
if (chan[i].keyOn) {
if (chan[i].sample>=0 && chan[i].sample<parent->song.sampleLen) {
writeADPCMAOn|=(1<<(i-adpcmAChanOffs));
}
chan[i].keyOn=false;
}
}
// ADPCM-B
if (chan[adpcmBChanOffs].furnacePCM) {
chan[adpcmBChanOffs].std.next();
if (chan[adpcmBChanOffs].std.vol.had) {
chan[adpcmBChanOffs].outVol=(chan[adpcmBChanOffs].vol*MIN(chan[adpcmBChanOffs].macroVolMul,chan[adpcmBChanOffs].std.vol.val))/chan[adpcmBChanOffs].macroVolMul;
immWrite(0x1b,chan[adpcmBChanOffs].outVol);
hardResetElapsed++;
}
if (NEW_ARP_STRAT) {
chan[adpcmBChanOffs].handleArp();
} else if (chan[adpcmBChanOffs].std.arp.had) {
if (!chan[adpcmBChanOffs].inPorta) {
chan[adpcmBChanOffs].baseFreq=NOTE_ADPCMB(parent->calcArp(chan[adpcmBChanOffs].note,chan[adpcmBChanOffs].std.arp.val));
}
chan[adpcmBChanOffs].freqChanged=true;
}
if (chan[adpcmBChanOffs].std.pitch.had) {
if (chan[adpcmBChanOffs].std.pitch.mode) {
chan[adpcmBChanOffs].pitch2+=chan[adpcmBChanOffs].std.pitch.val;
CLAMP_VAR(chan[adpcmBChanOffs].pitch2,-65535,65535);
} else {
chan[adpcmBChanOffs].pitch2=chan[adpcmBChanOffs].std.pitch.val;
}
chan[adpcmBChanOffs].freqChanged=true;
}
if (chan[adpcmBChanOffs].std.panL.had) {
if (chan[adpcmBChanOffs].pan!=(chan[adpcmBChanOffs].std.panL.val&3)) {
chan[adpcmBChanOffs].pan=chan[adpcmBChanOffs].std.panL.val&3;
if (!isMuted[adpcmBChanOffs]) {
immWrite(0x11,(isMuted[adpcmBChanOffs]?0:(chan[adpcmBChanOffs].pan<<6)));
hardResetElapsed++;
}
}
}
if (chan[adpcmBChanOffs].std.phaseReset.had) {
if ((chan[adpcmBChanOffs].std.phaseReset.val==1) && chan[adpcmBChanOffs].active) {
chan[adpcmBChanOffs].keyOn=true;
}
}
}
if (chan[adpcmBChanOffs].freqChanged || chan[adpcmBChanOffs].keyOn || chan[adpcmBChanOffs].keyOff) {
if (chan[adpcmBChanOffs].furnacePCM) {
if (chan[adpcmBChanOffs].sample>=0 && chan[adpcmBChanOffs].sample<parent->song.sampleLen) {
double off=65535.0*(double)(parent->getSample(chan[adpcmBChanOffs].sample)->centerRate)/8363.0;
chan[adpcmBChanOffs].freq=parent->calcFreq(chan[adpcmBChanOffs].baseFreq,chan[adpcmBChanOffs].pitch,chan[adpcmBChanOffs].fixedArp?chan[adpcmBChanOffs].baseNoteOverride:chan[adpcmBChanOffs].arpOff,chan[adpcmBChanOffs].fixedArp,false,4,chan[adpcmBChanOffs].pitch2,(double)chipClock/144,off);
} else {
chan[adpcmBChanOffs].freq=0;
}
immWrite(0x19,chan[adpcmBChanOffs].freq&0xff);
immWrite(0x1a,(chan[adpcmBChanOffs].freq>>8)&0xff);
hardResetElapsed+=2;
}
if (chan[adpcmBChanOffs].keyOn || chan[adpcmBChanOffs].keyOff) {
immWrite(0x10,0x01); // reset
hardResetElapsed++;
if (chan[adpcmBChanOffs].active && chan[adpcmBChanOffs].keyOn && !chan[adpcmBChanOffs].keyOff) {
if (chan[adpcmBChanOffs].sample>=0 && chan[adpcmBChanOffs].sample<parent->song.sampleLen) {
DivSample* s=parent->getSample(chan[adpcmBChanOffs].sample);
immWrite(0x10,(s->isLoopable())?0x90:0x80); // start/repeat
hardResetElapsed++;
}
}
chan[adpcmBChanOffs].keyOn=false;
chan[adpcmBChanOffs].keyOff=false;
}
chan[adpcmBChanOffs].freqChanged=false;
}
if (writeADPCMAOff) {
immWrite(0x100,0x80|writeADPCMAOff);
hardResetElapsed++;
writeADPCMAOff=0;
}
if (writeADPCMAOn) {
immWrite(0x100,writeADPCMAOn);
hardResetElapsed++;
writeADPCMAOn=0;
}
// PSG
ay->tick(sysTick);
ay->flushWrites();
for (DivRegWrite& i: ay->getRegisterWrites()) {
if (i.addr>15) continue;
immWrite(i.addr&15,i.val);
hardResetElapsed++;
}
ay->getRegisterWrites().clear();
// hard reset handling
if (mustHardReset) {
for (unsigned int i=hardResetElapsed; i<hardResetCycles; i++) {
immWrite(0xf0,i&0xff);
}
for (int i=0; i<psgChanOffs; i++) {
if (i==1 && extMode) continue;
if ((chan[i].keyOn || chan[i].opMaskChanged) && chan[i].hardReset) {
// restore SL/RR
for (int j=0; j<4; j++) {
unsigned short baseAddr=chanOffs[i]|opOffs[j];
DivInstrumentFM::Operator& op=chan[i].state.op[j];
immWrite(baseAddr+ADDR_SL_RR,(op.rr&15)|(op.sl<<4));
}
immWrite(0x28,(chan[i].opMask<<4)|konOffs[i]);
chan[i].opMaskChanged=false;
chan[i].keyOn=false;
}
}
}
}
void DivPlatformYM2610::commitState(int ch, DivInstrument* ins) {
if (chan[ch].insChanged) {
chan[ch].state=ins->fm;
chan[ch].opMask=
(chan[ch].state.op[0].enable?1:0)|
(chan[ch].state.op[2].enable?2:0)|
(chan[ch].state.op[1].enable?4:0)|
(chan[ch].state.op[3].enable?8:0);
}
for (int i=0; i<4; i++) {
unsigned short baseAddr=chanOffs[ch]|opOffs[i];
DivInstrumentFM::Operator& op=chan[ch].state.op[i];
if (isMuted[ch] || !op.enable) {
rWrite(baseAddr+ADDR_TL,127);
} else {
if (KVS(ch,i)) {
if (!chan[ch].active || chan[ch].insChanged) {
rWrite(baseAddr+ADDR_TL,127-VOL_SCALE_LOG_BROKEN(127-op.tl,chan[ch].outVol&0x7f,127));
}
} else {
if (chan[ch].insChanged) {
rWrite(baseAddr+ADDR_TL,op.tl);
}
}
}
if (chan[ch].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[ch].insChanged) {
rWrite(chanOffs[ch]+ADDR_FB_ALG,(chan[ch].state.alg&7)|(chan[ch].state.fb<<3));
rWrite(chanOffs[ch]+ADDR_LRAF,(isMuted[ch]?0:(chan[ch].pan<<6))|(chan[ch].state.fms&7)|((chan[ch].state.ams&3)<<4));
}
}
int DivPlatformYM2610::dispatch(DivCommand c) {
if (c.chan>=psgChanOffs && c.chan<adpcmAChanOffs) {
c.chan-=psgChanOffs;
return ay->dispatch(c);
}
switch (c.cmd) {
case DIV_CMD_NOTE_ON: {
if (c.chan>=adpcmBChanOffs) { // 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(0x1b,chan[c.chan].outVol);
}
if (c.value!=DIV_NOTE_NULL) {
chan[c.chan].sample=ins->amiga.getSample(c.value);
c.value=ins->amiga.getFreq(c.value);
}
if (chan[c.chan].sample>=0 && chan[c.chan].sample<parent->song.sampleLen) {
DivSample* s=parent->getSample(chan[c.chan].sample);
immWrite(0x12,(sampleOffB[chan[c.chan].sample]>>8)&0xff);
immWrite(0x13,sampleOffB[chan[c.chan].sample]>>16);
int end=sampleOffB[chan[c.chan].sample]+s->lengthB-1;
immWrite(0x14,(end>>8)&0xff);
immWrite(0x15,end>>16);
immWrite(0x11,isMuted[c.chan]?0:(chan[c.chan].pan<<6));
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(0x10,0x01); // reset
immWrite(0x12,0);
immWrite(0x13,0);
immWrite(0x14,0);
immWrite(0x15,0);
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].sample<parent->song.sampleLen) {
DivSample* s=parent->getSample(12*sampleBank+c.value%12);
immWrite(0x12,(sampleOffB[chan[c.chan].sample]>>8)&0xff);
immWrite(0x13,sampleOffB[chan[c.chan].sample]>>16);
int end=sampleOffB[chan[c.chan].sample]+s->lengthB-1;
immWrite(0x14,(end>>8)&0xff);
immWrite(0x15,end>>16);
immWrite(0x11,isMuted[c.chan]?0:(chan[c.chan].pan<<6));
int freq=(65536.0*(double)s->rate)/((double)chipClock/144.0);
immWrite(0x19,freq&0xff);
immWrite(0x1a,(freq>>8)&0xff);
immWrite(0x1b,chan[c.chan].outVol);
chan[c.chan].active=true;
chan[c.chan].keyOn=true;
} else {
immWrite(0x10,0x01); // reset
immWrite(0x12,0);
immWrite(0x13,0);
immWrite(0x14,0);
immWrite(0x15,0);
break;
}
}
break;
}
if (c.chan>=adpcmAChanOffs) { // ADPCM-A
DivInstrument* ins=parent->getIns(chan[c.chan].ins,DIV_INS_FM);
chan[c.chan].macroVolMul=(ins->type==DIV_INS_AMIGA)?64:31;
if (!parent->song.disableSampleMacro && (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;
}
if (c.value!=DIV_NOTE_NULL) chan[c.chan].sample=ins->amiga.getSample(c.value);
if (chan[c.chan].sample>=0 && chan[c.chan].sample<parent->song.sampleLen) {
DivSample* s=parent->getSample(chan[c.chan].sample);
immWrite(0x110+c.chan-adpcmAChanOffs,(sampleOffA[chan[c.chan].sample]>>8)&0xff);
immWrite(0x118+c.chan-adpcmAChanOffs,sampleOffA[chan[c.chan].sample]>>16);
int end=sampleOffA[chan[c.chan].sample]+s->lengthA-1;
immWrite(0x120+c.chan-adpcmAChanOffs,(end>>8)&0xff);
immWrite(0x128+c.chan-adpcmAChanOffs,end>>16);
immWrite(0x108+c.chan-adpcmAChanOffs,isMuted[c.chan]?0:((chan[c.chan].pan<<6)|chan[c.chan].outVol));
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 {
writeADPCMAOff|=(1<<(c.chan-adpcmAChanOffs));
immWrite(0x110+c.chan-adpcmAChanOffs,0);
immWrite(0x118+c.chan-adpcmAChanOffs,0);
immWrite(0x120+c.chan-adpcmAChanOffs,0);
immWrite(0x128+c.chan-adpcmAChanOffs,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].sample<parent->song.sampleLen) {
DivSample* s=parent->getSample(12*sampleBank+c.value%12);
immWrite(0x110+c.chan-adpcmAChanOffs,(sampleOffA[chan[c.chan].sample]>>8)&0xff);
immWrite(0x118+c.chan-adpcmAChanOffs,sampleOffA[chan[c.chan].sample]>>16);
int end=sampleOffA[chan[c.chan].sample]+s->lengthA-1;
immWrite(0x120+c.chan-adpcmAChanOffs,(end>>8)&0xff);
immWrite(0x128+c.chan-adpcmAChanOffs,end>>16);
immWrite(0x108+c.chan-adpcmAChanOffs,isMuted[c.chan]?0:((chan[c.chan].pan<<6)|chan[c.chan].outVol));
chan[c.chan].active=true;
chan[c.chan].keyOn=true;
} else {
writeADPCMAOff|=(1<<(c.chan-adpcmAChanOffs));
immWrite(0x110+c.chan-adpcmAChanOffs,0);
immWrite(0x118+c.chan-adpcmAChanOffs,0);
immWrite(0x120+c.chan-adpcmAChanOffs,0);
immWrite(0x128+c.chan-adpcmAChanOffs,0);
break;
}
}
break;
}
DivInstrument* ins=parent->getIns(chan[c.chan].ins,DIV_INS_FM);
chan[c.chan].macroInit(ins);
if (c.chan<psgChanOffs) {
if (!chan[c.chan].std.vol.will) {
chan[c.chan].outVol=chan[c.chan].vol;
}
}
commitState(c.chan,ins);
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;
if (parent->song.brokenFMOff) 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>=adpcmBChanOffs) { // ADPCM-B
immWrite(0x1b,chan[c.chan].outVol);
break;
}
if (c.chan>=adpcmAChanOffs) { // ADPCM-A
immWrite(0x108+(c.chan-adpcmAChanOffs),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 (isMuted[c.chan] || !op.enable) {
rWrite(baseAddr+ADDR_TL,127);
} else {
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 (globalADPCMAVolume!=(c.value&0x3f)) {
globalADPCMAVolume=c.value&0x3f;
immWrite(0x101,globalADPCMAVolume&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>=adpcmBChanOffs) {
immWrite(0x11,isMuted[c.chan]?0:(chan[c.chan].pan<<6));
break;
}
if (c.chan>=adpcmAChanOffs) {
immWrite(0x108+(c.chan-adpcmAChanOffs),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==adpcmBChanOffs && !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>=psgChanOffs || 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==adpcmBChanOffs && !chan[c.chan].furnacePCM) break;
if (c.chan<=psgChanOffs) {
if (chan[c.chan].insChanged) {
DivInstrument* ins=parent->getIns(chan[c.chan].ins,DIV_INS_FM);
commitState(c.chan,ins);
chan[c.chan].insChanged=false;
}
}
chan[c.chan].baseFreq=NOTE_OPNB(c.chan,c.value);
chan[c.chan].freqChanged=true;
break;
}
case DIV_CMD_FM_EXTCH: {
if (extSys) {
if (extMode==(bool)c.value) break;
extMode=c.value;
immWrite(0x27,extMode?0x40:0);
}
break;
}
case DIV_CMD_FM_LFO: {
if (c.chan>=psgChanOffs) break;
lfoValue=(c.value&7)|((c.value>>4)<<3);
rWrite(0x22,lfoValue);
break;
}
case DIV_CMD_FM_FB: {
if (c.chan>=psgChanOffs) 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>=psgChanOffs) 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>=psgChanOffs) 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 (isMuted[c.chan] || !op.enable) {
rWrite(baseAddr+ADDR_TL,127);
} else {
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>=psgChanOffs) 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>=adpcmBChanOffs) return 255;
if (c.chan>=adpcmAChanOffs) return 31;
if (c.chan>=psgChanOffs) return 15;
return 127;
break;
case DIV_CMD_PRE_PORTA:
if (c.chan>=psgChanOffs) {
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 DivPlatformYM2610::muteChannel(int ch, bool mute) {
isMuted[ch]=mute;
if (ch>=psgChanOffs) { // PSG
DivPlatformYM2610Base::muteChannel(ch,mute);
return;
}
// FM
for (int j=0; j<4; j++) {
unsigned short baseAddr=chanOffs[ch]|opOffs[j];
DivInstrumentFM::Operator& op=chan[ch].state.op[j];
if (isMuted[ch] || !op.enable) {
rWrite(baseAddr+ADDR_TL,127);
} else {
if (KVS(ch,j)) {
rWrite(baseAddr+ADDR_TL,127-VOL_SCALE_LOG_BROKEN(127-op.tl,chan[ch].outVol&0x7f,127));
} else {
rWrite(baseAddr+ADDR_TL,op.tl);
}
}
}
rWrite(chanOffs[ch]+ADDR_LRAF,(isMuted[ch]?0:(chan[ch].pan<<6))|(chan[ch].state.fms&7)|((chan[ch].state.ams&3)<<4));
}
void DivPlatformYM2610::forceIns() {
for (int i=0; i<psgChanOffs; i++) {
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] || !op.enable) {
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);
}
}
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;
}
}
immWrite(0x22,lfoValue);
for (int i=adpcmAChanOffs; i<=adpcmBChanOffs; i++) {
chan[i].insChanged=true;
}
ay->forceIns();
ay->flushWrites();
for (DivRegWrite& i: ay->getRegisterWrites()) {
if (i.addr>15) continue;
immWrite(i.addr&15,i.val);
}
ay->getRegisterWrites().clear();
}
void* DivPlatformYM2610::getChanState(int ch) {
return &chan[ch];
}
DivMacroInt* DivPlatformYM2610::getChanMacroInt(int ch) {
if (ch>=psgChanOffs && ch<adpcmAChanOffs) return ay->getChanMacroInt(ch-psgChanOffs);
return &chan[ch].std;
}
unsigned short DivPlatformYM2610::getPan(int ch) {
if (ch>=psgChanOffs && ch<adpcmAChanOffs) return 0;
return ((chan[ch].pan&2)<<7)|(chan[ch].pan&1);
}
DivDispatchOscBuffer* DivPlatformYM2610::getOscBuffer(int ch) {
return oscBuf[ch];
}
unsigned char* DivPlatformYM2610::getRegisterPool() {
return regPool;
}
int DivPlatformYM2610::getRegisterPoolSize() {
return 512;
}
void DivPlatformYM2610::poke(unsigned int addr, unsigned short val) {
immWrite(addr,val);
}
void DivPlatformYM2610::poke(std::vector<DivRegWrite>& wlist) {
for (DivRegWrite& i: wlist) immWrite(i.addr,i.val);
}
void DivPlatformYM2610::reset() {
writes.clear();
memset(regPool,0,512);
if (dumpWrites) {
addWrite(0xffffffff,0);
}
fm->reset();
for (int i=0; i<14; i++) {
chan[i]=DivPlatformOPN::OPNChannelStereo();
chan[i].std.setEngine(parent);
}
for (int i=0; i<psgChanOffs; i++) {
chan[i].vol=0x7f;
chan[i].outVol=0x7f;
}
for (int i=psgChanOffs; i<adpcmAChanOffs; i++) {
chan[i].vol=0x0f;
chan[i].outVol=0x0f;
}
for (int i=adpcmAChanOffs; i<adpcmBChanOffs; i++) {
chan[i].vol=0x1f;
chan[i].outVol=0x1f;
}
chan[adpcmBChanOffs].vol=0xff;
chan[adpcmBChanOffs].outVol=0xff;
for (int i=0; i<512; i++) {
oldWrites[i]=-1;
pendingWrites[i]=-1;
}
lastBusy=60;
lfoValue=8;
sampleBank=0;
DivPlatformYM2610Base::reset();
delay=0;
extMode=false;
// LFO
immWrite(0x22,lfoValue);
// PCM volume
immWrite(0x101,globalADPCMAVolume); // A
immWrite(0x1b,0xff); // B
}
int DivPlatformYM2610::getOutputCount() {
return 2;
}
bool DivPlatformYM2610::keyOffAffectsArp(int ch) {
return (ch>=psgChanOffs);
}
void DivPlatformYM2610::notifyInsChange(int ins) {
for (int i=0; i<16; i++) {
if (chan[i].ins==ins) {
chan[i].insChanged=true;
}
}
ay->notifyInsChange(ins);
}
void DivPlatformYM2610::notifyInsDeletion(void* ins) {
ay->notifyInsDeletion(ins);
for (int i=0; i<psgChanOffs; i++) {
chan[i].std.notifyInsDeletion((DivInstrument*)ins);
}
for (int i=adpcmAChanOffs; i<chanNum; i++) {
chan[i].std.notifyInsDeletion((DivInstrument*)ins);
}
}
void DivPlatformYM2610::setSkipRegisterWrites(bool value) {
DivDispatch::setSkipRegisterWrites(value);
ay->setSkipRegisterWrites(value);
}
int DivPlatformYM2610::init(DivEngine* p, int channels, int sugRate, const DivConfig& flags) {
DivPlatformYM2610Base::init(p, channels, sugRate, flags);
reset();
return 14;
}
void DivPlatformYM2610::quit() {
delete fm;
DivPlatformYM2610Base::quit();
}
DivPlatformYM2610::~DivPlatformYM2610() {
}
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