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C64: add chip flag to set env reset time

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2 by default
1 for .dmf and old Furnace songs
This commit is contained in:
tildearrow 2023-10-29 04:14:54 -05:00
parent 7fd54775bb
commit f05d1693f8
4 changed files with 29 additions and 3 deletions
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12
src/engine/fileOps.cpp
View file

@ -1062,9 +1062,10 @@ bool DivEngine::loadDMF(unsigned char* file, size_t len) {
ds.systemFlags[0].set("dpcmMode",false);
}
// C64 no key priority
// C64 no key priority and reset time
if (ds.system[0]==DIV_SYSTEM_C64_8580 || ds.system[0]==DIV_SYSTEM_C64_6581) {
ds.systemFlags[0].set("keyPriority",false);
ds.systemFlags[0].set("initResetTime",1);
}
// OPM broken pitch
@ -3033,6 +3034,15 @@ bool DivEngine::loadFur(unsigned char* file, size_t len) {
}
}
// C64 original reset time
if (ds.version<187) {
for (int i=0; i<ds.systemLen; i++) {
if (ds.system[i]==DIV_SYSTEM_C64_8580 || ds.system[i]==DIV_SYSTEM_C64_6581) {
ds.systemFlags[i].set("initResetTime",1);
}
}
}
if (active) quitDispatch();
BUSY_BEGIN_SOFT;
saveLock.lock();

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

@ -678,7 +678,7 @@ void DivPlatformC64::reset() {
filtControl=7;
filtRes=0;
filtCut=2047;
resetTime=1;
resetTime=initResetTime;
vol=15;
chanOrder[0]=0;
@ -728,6 +728,8 @@ void DivPlatformC64::setFlags(const DivConfig& flags) {
no1EUpdate=flags.getBool("no1EUpdate",false);
testAD=((flags.getInt("testAttack",0)&15)<<4)|(flags.getInt("testDecay",0)&15);
testSR=((flags.getInt("testSustain",0)&15)<<4)|(flags.getInt("testRelease",0)&15);
initResetTime=flags.getInt("initResetTime",2);
if (initResetTime<0) initResetTime=1;
// init fake filter table
// taken from dSID

2
src/engine/platform/c64.h
View file

@ -75,7 +75,7 @@ class DivPlatformC64: public DivDispatch {
unsigned char filtControl, filtRes, vol;
unsigned char writeOscBuf;
unsigned char sidCore;
int filtCut, resetTime;
int filtCut, resetTime, initResetTime;
bool keyPriority, sidIs6581, needInitTables, no1EUpdate;
unsigned char chanOrder[3];

14
src/gui/sysConf.cpp
View file

@ -591,6 +591,7 @@ bool FurnaceGUI::drawSysConf(int chan, int sysPos, DivSystem type, DivConfig& fl
int testDecay=flags.getInt("testDecay",0);
int testSustain=flags.getInt("testSustain",0);
int testRelease=flags.getInt("testRelease",0);
int initResetTime=flags.getInt("initResetTime",2);
ImGui::Text("Clock rate:");
@ -645,6 +646,18 @@ bool FurnaceGUI::drawSysConf(int chan, int sysPos, DivSystem type, DivConfig& fl
altered=true;
}
ImGui::Text("Envelope reset time:");
pushWarningColor(initResetTime<1 || initResetTime>4);
if (CWSliderInt("##InitReset",&initResetTime,0,16)) {
if (initResetTime<0) initResetTime=0;
if (initResetTime>16) initResetTime=16;
altered=true;
}
popWarningColor();
ImGui::Text("- 0 disables envelope reset. not recommended!\n- 1 may trigger SID envelope bugs.\n- values that are too high may result in notes being skipped.");
if (ImGui::Checkbox("Disable 1Exy env update (compatibility)",&no1EUpdate)) {
altered=true;
}
@ -658,6 +671,7 @@ bool FurnaceGUI::drawSysConf(int chan, int sysPos, DivSystem type, DivConfig& fl
flags.set("testDecay",testDecay);
flags.set("testSustain",testSustain);
flags.set("testRelease",testRelease);
flags.set("initResetTime",initResetTime);
});
}
break;