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https://github.com/ZDoom/gzdoom.git
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- Added the Java OPL3 emulator to the menu.
- Added full panning support to the Java OPL3 emulator. SVN r3969 (trunk)
This commit is contained in:
Randy Heit
parent
93bd380fee
commit
5627a7ebd7
5 changed files with 67 additions and 45 deletions
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@ -53,7 +53,7 @@
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static FRandom pr_opl3;
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#define VOLUME_MUL 0.25
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#define VOLUME_MUL 0.3333
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class Operator;
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@ -88,7 +88,7 @@ public:
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double leftPan, rightPan;
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Channel (int baseAddress);
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Channel (int baseAddress, double startvol);
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void update_2_KON1_BLOCK3_FNUMH2(class OPL3 *OPL3);
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void update_FNUML8(class OPL3 *OPL3);
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void update_CHD1_CHC1_CHB1_CHA1_FB3_CNT1(class OPL3 *OPL3);
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@ -107,7 +107,7 @@ class Channel2op : public Channel
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public:
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Operator *op1, *op2;
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Channel2op (int baseAddress, Operator *o1, Operator *o2);
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Channel2op (int baseAddress, double startvol, Operator *o1, Operator *o2);
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double getChannelOutput(class OPL3 *OPL3);
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void keyOn();
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@ -121,7 +121,7 @@ class Channel4op : public Channel
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public:
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Operator *op1, *op2, *op3, *op4;
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Channel4op (int baseAddress, Operator *o1, Operator *o2, Operator *o3, Operator *o4);
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Channel4op (int baseAddress, double startvol, Operator *o1, Operator *o2, Operator *o3, Operator *o4);
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double getChannelOutput(class OPL3 *OPL3);
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void keyOn();
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@ -133,7 +133,7 @@ public:
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class DisabledChannel : public Channel
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{
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public:
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DisabledChannel() : Channel(0) { }
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DisabledChannel() : Channel(0, 0) { }
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double getChannelOutput(class OPL3 *OPL3) { return 0; }
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void keyOn() { }
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void keyOff() { }
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@ -244,8 +244,8 @@ protected:
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class RhythmChannel : public Channel2op
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{
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public:
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RhythmChannel(int baseAddress, Operator *o1, Operator *o2)
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: Channel2op(baseAddress, o1, o2)
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RhythmChannel(int baseAddress, double startvol, Operator *o1, Operator *o2)
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: Channel2op(baseAddress, startvol, o1, o2)
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{ }
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double getChannelOutput(class OPL3 *OPL3);
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@ -258,16 +258,16 @@ public:
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class HighHatSnareDrumChannel : public RhythmChannel {
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static const int highHatSnareDrumChannelBaseAddress = 7;
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public:
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HighHatSnareDrumChannel(Operator *o1, Operator *o2)
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: RhythmChannel(highHatSnareDrumChannelBaseAddress, o1, o2)
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HighHatSnareDrumChannel(double startvol, Operator *o1, Operator *o2)
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: RhythmChannel(highHatSnareDrumChannelBaseAddress, startvol, o1, o2)
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{ }
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};
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class TomTomTopCymbalChannel : public RhythmChannel {
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static const int tomTomTopCymbalChannelBaseAddress = 8;
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public:
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TomTomTopCymbalChannel(Operator *o1, Operator *o2)
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: RhythmChannel(tomTomTopCymbalChannelBaseAddress, o1, o2)
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TomTomTopCymbalChannel(double startvol, Operator *o1, Operator *o2)
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: RhythmChannel(tomTomTopCymbalChannelBaseAddress, startvol, o1, o2)
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{ }
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};
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@ -308,7 +308,7 @@ class BassDrumChannel : public Channel2op {
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Operator my_op1, my_op2;
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public:
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BassDrumChannel();
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BassDrumChannel(double startvol);
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double getChannelOutput(class OPL3 *OPL3);
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// Key ON and OFF are unused in rhythm channels.
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@ -553,6 +553,8 @@ public:
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int nts, dam, dvb, ryt, bd, sd, tom, tc, hh, _new, connectionsel;
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int vibratoIndex, tremoloIndex;
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bool FullPan;
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static OperatorData *OperatorData;
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static OPL3Data *OPL3Data;
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@ -565,7 +567,7 @@ public:
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//void read(float output[2]);
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void write(int array, int address, int data);
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OPL3();
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OPL3(bool fullpan);
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~OPL3();
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private:
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@ -708,10 +710,12 @@ void OPL3::write(int array, int address, int data) {
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}
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}
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OPL3::OPL3()
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: highHatSnareDrumChannel(&highHatOperator, &snareDrumOperator),
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tomTomTopCymbalChannel(&tomTomOperator, &topCymbalOperator)
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OPL3::OPL3(bool fullpan)
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: bassDrumChannel(fullpan ? CENTER_PANNING_POWER : 1),
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highHatSnareDrumChannel(fullpan ? CENTER_PANNING_POWER : 1, &highHatOperator, &snareDrumOperator),
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tomTomTopCymbalChannel(fullpan ? CENTER_PANNING_POWER : 1, &tomTomOperator, &topCymbalOperator)
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{
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FullPan = fullpan;
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nts = dam = dvb = ryt = bd = sd = tom = tc = hh = _new = connectionsel = 0;
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vibratoIndex = tremoloIndex = 0;
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@ -784,27 +788,28 @@ void OPL3::initChannels2op() {
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// The YMF262 has 18 2-op channels.
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// Each 2-op channel can be at a serial or parallel operator configuration:
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memset(channels2op, 0, sizeof(channels2op));
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double startvol = FullPan ? CENTER_PANNING_POWER : 1;
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for(int array=0; array<2; array++)
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for(int channelNumber=0; channelNumber<3; channelNumber++) {
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int baseAddress = (array<<8) | channelNumber;
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// Channels 1, 2, 3 -> Operator offsets 0x0,0x3; 0x1,0x4; 0x2,0x5
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channels2op[array][channelNumber] = new Channel2op(baseAddress, operators[array][channelNumber], operators[array][channelNumber+0x3]);
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channels2op[array][channelNumber] = new Channel2op(baseAddress, startvol, operators[array][channelNumber], operators[array][channelNumber+0x3]);
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// Channels 4, 5, 6 -> Operator offsets 0x8,0xB; 0x9,0xC; 0xA,0xD
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channels2op[array][channelNumber+3] = new Channel2op(baseAddress+3, operators[array][channelNumber+0x8], operators[array][channelNumber+0xB]);
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channels2op[array][channelNumber+3] = new Channel2op(baseAddress+3, startvol, operators[array][channelNumber+0x8], operators[array][channelNumber+0xB]);
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// Channels 7, 8, 9 -> Operators 0x10,0x13; 0x11,0x14; 0x12,0x15
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channels2op[array][channelNumber+6] = new Channel2op(baseAddress+6, operators[array][channelNumber+0x10], operators[array][channelNumber+0x13]);
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channels2op[array][channelNumber+6] = new Channel2op(baseAddress+6, startvol, operators[array][channelNumber+0x10], operators[array][channelNumber+0x13]);
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}
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}
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void OPL3::initChannels4op() {
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// The YMF262 has 3 4-op channels in each array:
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memset(channels4op, 0, sizeof(channels4op));
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double startvol = FullPan ? CENTER_PANNING_POWER : 1;
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for(int array=0; array<2; array++)
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for(int channelNumber=0; channelNumber<3; channelNumber++) {
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int baseAddress = (array<<8) | channelNumber;
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// Channels 1, 2, 3 -> Operators 0x0,0x3,0x8,0xB; 0x1,0x4,0x9,0xC; 0x2,0x5,0xA,0xD;
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channels4op[array][channelNumber] = new Channel4op(baseAddress, operators[array][channelNumber], operators[array][channelNumber+0x3], operators[array][channelNumber+0x8], operators[array][channelNumber+0xB]);
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channels4op[array][channelNumber] = new Channel4op(baseAddress, startvol, operators[array][channelNumber], operators[array][channelNumber+0x3], operators[array][channelNumber+0x8], operators[array][channelNumber+0xB]);
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}
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}
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@ -967,11 +972,11 @@ static double EnvelopeFromDB(double db)
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#endif
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}
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Channel::Channel (int baseAddress) {
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Channel::Channel (int baseAddress, double startvol) {
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channelBaseAddress = baseAddress;
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fnuml = fnumh = kon = block = fb = cnt = 0;
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feedback[0] = feedback[1] = 0;
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leftPan = rightPan = 1;
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leftPan = rightPan = startvol;
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}
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void Channel::update_2_KON1_BLOCK3_FNUMH2(OPL3 *OPL3) {
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@ -1013,6 +1018,8 @@ void Channel::update_CHD1_CHC1_CHB1_CHA1_FB3_CNT1(OPL3 *OPL3) {
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}
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void Channel::updatePan(OPL3 *OPL3) {
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if (!OPL3->FullPan)
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{
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if (OPL3->_new == 0)
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{
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leftPan = VOLUME_MUL;
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@ -1023,6 +1030,7 @@ void Channel::updatePan(OPL3 *OPL3) {
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leftPan = cha * VOLUME_MUL;
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rightPan = chb * VOLUME_MUL;
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}
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}
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}
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void Channel::updateChannel(OPL3 *OPL3) {
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@ -1031,8 +1039,8 @@ void Channel::updateChannel(OPL3 *OPL3) {
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update_CHD1_CHC1_CHB1_CHA1_FB3_CNT1(OPL3);
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}
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Channel2op::Channel2op (int baseAddress, Operator *o1, Operator *o2)
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: Channel(baseAddress)
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Channel2op::Channel2op (int baseAddress, double startvol, Operator *o1, Operator *o2)
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: Channel(baseAddress, startvol)
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{
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op1 = o1;
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op2 = o2;
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@ -1086,8 +1094,8 @@ void Channel2op::updateOperators(OPL3 *OPL3) {
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op2->updateOperator(OPL3, keyScaleNumber, f_number, block);
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}
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Channel4op::Channel4op (int baseAddress, Operator *o1, Operator *o2, Operator *o3, Operator *o4)
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: Channel(baseAddress)
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Channel4op::Channel4op (int baseAddress, double startvol, Operator *o1, Operator *o2, Operator *o3, Operator *o4)
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: Channel(baseAddress, startvol)
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{
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op1 = o1;
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op2 = o2;
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@ -1665,8 +1673,8 @@ double SnareDrumOperator::getOperatorOutput(OPL3 *OPL3, double modulator) {
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return operatorOutput*2;
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}
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BassDrumChannel::BassDrumChannel()
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: Channel2op(bassDrumChannelBaseAddress, &my_op1, &my_op2),
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BassDrumChannel::BassDrumChannel(double startvol)
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: Channel2op(bassDrumChannelBaseAddress, startvol, &my_op1, &my_op2),
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my_op1(op1BaseAddress), my_op2(op2BaseAddress)
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{ }
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@ -1834,9 +1842,24 @@ void OPL3::WriteReg(int reg, int v)
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void OPL3::SetPanning(int c, float left, float right)
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{
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if (FullPan)
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{
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Channel *channel;
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if (c < 9)
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{
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channel = channels[0][c];
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}
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else
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{
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channel = channels[1][c - 9];
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}
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channel->leftPan = left;
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channel->rightPan = right;
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}
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}
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OPLEmul *JavaOPLCreate(bool stereo)
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{
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return new OPL3;
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return new OPL3(stereo);
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}
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@ -46,8 +46,6 @@ typedef SBYTE Bit8s;
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#include "opl.h"
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#define CENTER_PANNING_POWER 0.70710678118f
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static Bit16s wavtable[WAVEPREC*3]; // wave form table
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// key scale levels
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@ -506,7 +504,7 @@ void DBOPL::Reset() {
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#if defined(OPLTYPE_IS_OPL3)
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op[i].is_4op = false;
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op[i].is_4op_attached = false;
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op[i].right_pan = op[i].left_pan = FullPan ? CENTER_PANNING_POWER : 1;
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op[i].right_pan = op[i].left_pan = FullPan ? (float)CENTER_PANNING_POWER : 1;
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#endif
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}
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@ -126,8 +126,6 @@ typedef signed int INT32; /* signed 32bit */
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#define INLINE __inline
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#endif
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#define CENTER_PANNING_POWER 0.70710678118 /* [RH] volume at center for EQP */
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#define FREQ_SH 16 /* 16.16 fixed point (frequency calculations) */
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#define EG_SH 16 /* 16.16 fixed point (EG timing) */
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#define LFO_SH 24 /* 8.24 fixed point (LFO calculations) */
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@ -23,5 +23,7 @@ OPLEmul *DBOPLCreate(bool stereo);
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OPLEmul *JavaOPLCreate(bool stereo);
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#define OPL_SAMPLE_RATE 49716.0
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#define CENTER_PANNING_POWER 0.70710678118 /* [RH] volume at center for EQP */
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#endif
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@ -1402,8 +1402,9 @@ OptionValue GusMemory
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OptionValue OplCores
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{
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0, "MAME"
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1, "DOSBox"
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0, "MAME OPL2"
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1, "DOSBox OPL3"
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2, "Java OPL3"
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}
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OptionMenu AdvSoundOptions
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