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dev160 - C64: add key priority system

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and options to change hard reset envelope

issue #1115
This commit is contained in:
tildearrow 2023-07-04 00:23:28 -05:00
parent 7e6ffd7e12
commit f1b30c01a4
5 changed files with 89 additions and 5 deletions
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26
src/engine/platform/c64.cpp
View file

@ -106,7 +106,9 @@ void DivPlatformC64::updateFilter() {
void DivPlatformC64::tick(bool sysTick) {
bool willUpdateFilter=false;
for (int i=0; i<3; i++) {
for (int _i=0; _i<3; _i++) {
int i=chanOrder[_i];
chan[i].std.next();
if (chan[i].std.vol.had) {
DivInstrument* ins=parent->getIns(chan[i].ins,DIV_INS_C64);
@ -179,8 +181,8 @@ void DivPlatformC64::tick(bool sysTick) {
if (--chan[i].testWhen<1) {
if (!chan[i].resetMask && !chan[i].inPorta) {
DivInstrument* ins=parent->getIns(chan[i].ins,DIV_INS_C64);
rWrite(i*7+5,0);
rWrite(i*7+6,0);
rWrite(i*7+5,testAD);
rWrite(i*7+6,testSR);
rWrite(i*7+4,(chan[i].wave<<4)|(ins->c64.noTest?0:8)|(chan[i].test<<3)|(chan[i].ring<<2)|(chan[i].sync<<1));
}
}
@ -212,6 +214,7 @@ void DivPlatformC64::tick(bool sysTick) {
}
int DivPlatformC64::dispatch(DivCommand c) {
if (c.chan>2) return 0;
switch (c.cmd) {
case DIV_CMD_NOTE_ON: {
DivInstrument* ins=parent->getIns(chan[c.chan].ins,DIV_INS_C64);
@ -249,6 +252,16 @@ int DivPlatformC64::dispatch(DivCommand c) {
if (chan[c.chan].insChanged) {
chan[c.chan].insChanged=false;
}
if (keyPriority) {
if (chanOrder[1]==c.chan) {
chanOrder[1]=chanOrder[2];
chanOrder[2]=c.chan;
} else if (chanOrder[0]==c.chan) {
chanOrder[0]=chanOrder[1];
chanOrder[1]=chanOrder[2];
chanOrder[2]=c.chan;
}
}
chan[c.chan].macroInit(ins);
break;
}
@ -524,6 +537,10 @@ void DivPlatformC64::reset() {
filtCut=2047;
resetTime=1;
vol=15;
chanOrder[0]=0;
chanOrder[1]=1;
chanOrder[2]=2;
}
void DivPlatformC64::poke(unsigned int addr, unsigned short val) {
@ -576,6 +593,9 @@ void DivPlatformC64::setFlags(const DivConfig& flags) {
rate/=4;
sid_fp.setSamplingParameters(chipClock,reSIDfp::DECIMATE,rate,0);
}
keyPriority=flags.getBool("keyPriority",true);
testAD=((flags.getInt("testAttack",0)&15)<<4)|(flags.getInt("testDecay",0)&15);
testSR=((flags.getInt("testSustain",0)&15)<<4)|(flags.getInt("testRelease",0)&15);
}
int DivPlatformC64::init(DivEngine* p, int channels, int sugRate, const DivConfig& flags) {

4
src/engine/platform/c64.h
View file

@ -67,6 +67,10 @@ class DivPlatformC64: public DivDispatch {
int filtCut, resetTime;
bool isFP;
bool keyPriority;
unsigned char chanOrder[3];
unsigned char testAD, testSR;
SID sid;
reSIDfp::SID sid_fp;
unsigned char regPool[32];