otomatalabs/furnace
8
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

C64: bunch of changes

Browse source 
- merging test/gate and special macros
- drop new test/gate compat flag - not necessary
- code style and tabs to spaces

TODO: compatibility!
This commit is contained in:
tildearrow 2023-10-29 01:39:37 -05:00
parent 2ec1074b21
commit 90032899c7
5 changed files with 57 additions and 113 deletions
Download patch file Download diff file Expand all files Collapse all files

94
src/engine/platform/c64.cpp
View file

@ -158,32 +158,8 @@ void DivPlatformC64::tick(bool sysTick) {
chan[i].std.next();
if (chan[i].std.vol.had) {
DivInstrument* ins=parent->getIns(chan[i].ins,DIV_INS_C64);
if (ins->c64.volIsCutoff) {
if (ins->c64.filterIsAbs) {
filtCut=MIN(2047,chan[i].std.vol.val);
} else {
filtCut-=((signed char)chan[i].std.vol.val)*7;
if (filtCut>2047) filtCut=2047;
if (filtCut<0) filtCut=0;
}
willUpdateFilter=true;
} else {
vol=MIN(15,chan[i].std.vol.val);
willUpdateFilter=true;
}
}
if (chan[i].std.alg.had) { //new cutoff macro!
DivInstrument* ins = parent->getIns(chan[i].ins, DIV_INS_C64);
if (ins->c64.filterIsAbs) {
filtCut = MIN(2047, chan[i].std.alg.val);
}
else {
filtCut += ((signed char)chan[i].std.alg.val) * 7; //new macro should not be executed in inverted way when in relative mode jesus
if (filtCut > 2047) filtCut = 2047;
if (filtCut < 0) filtCut = 0;
}
willUpdateFilter = true;
vol=MIN(15,chan[i].std.vol.val);
willUpdateFilter=true;
}
if (NEW_ARP_STRAT) {
@ -206,7 +182,7 @@ void DivPlatformC64::tick(bool sysTick) {
}
if (chan[i].std.wave.had) {
chan[i].wave=chan[i].std.wave.val;
rWrite(i*7+4,(chan[i].wave<<4)|(chan[i].test<<3)|(chan[i].ring<<2)|(chan[i].sync<<1)|(int)(chan[i].active));
rWrite(i*7+4,(chan[i].wave<<4)|(chan[i].test<<3)|(chan[i].ring<<2)|(chan[i].sync<<1)|(int)(chan[i].active && chan[i].gate));
}
if (chan[i].std.pitch.had) {
if (chan[i].std.pitch.mode) {
@ -217,6 +193,20 @@ void DivPlatformC64::tick(bool sysTick) {
}
chan[i].freqChanged=true;
}
if (chan[i].std.alg.had) { // new cutoff macro
DivInstrument* ins=parent->getIns(chan[i].ins,DIV_INS_C64);
if (ins->c64.filterIsAbs) {
filtCut=MIN(2047,chan[i].std.alg.val);
} else {
// TODO:
// - why signed char?
// - add a mode in where it's not multiplied by 7 - dang it Delek
filtCut+=((signed char)chan[i].std.alg.val)*7;
if (filtCut>2047) filtCut=2047;
if (filtCut<0) filtCut=0;
}
willUpdateFilter=true;
}
if (chan[i].std.ex1.had) {
filtControl=chan[i].std.ex1.val&15;
willUpdateFilter=true;
@ -225,46 +215,33 @@ void DivPlatformC64::tick(bool sysTick) {
filtRes=chan[i].std.ex2.val&15;
willUpdateFilter=true;
}
if (chan[i].std.ex3.had) {
chan[i].sync=chan[i].std.ex3.val&1;
chan[i].ring=chan[i].std.ex3.val&2;
chan[i].freqChanged=true;
rWrite(i*7+4,(chan[i].wave<<4)|(chan[i].test<<3)|(chan[i].ring<<2)|(chan[i].sync<<1)|(int)(chan[i].active));
}
if (chan[i].std.ex4.had) {
chan[i].test=chan[i].std.ex4.val&1;
if (newTestBitMacro)
{
chan[i].active = chan[i].std.ex4.val & 2;
if (!chan[i].active)
{
chan[i].keyOff = true;
chan[i].keyOn = false;
}
}
rWrite(i*7+4,(chan[i].wave<<4)|(chan[i].test<<3)|(chan[i].ring<<2)|(chan[i].sync<<1)|(int)(chan[i].active));
chan[i].gate=chan[i].std.ex4.val&1;
chan[i].sync=chan[i].std.ex4.val&2;
chan[i].ring=chan[i].std.ex4.val&4;
chan[i].test=chan[i].std.ex4.val&8;
chan[i].freqChanged=true;
rWrite(i*7+4,(chan[i].wave<<4)|(chan[i].test<<3)|(chan[i].ring<<2)|(chan[i].sync<<1)|(int)(chan[i].active && chan[i].gate));
}
if (chan[i].std.ex5.had) {
chan[i].attack = chan[i].std.ex5.val & 15;
rWrite(i * 7 + 5, (chan[i].attack << 4) | (chan[i].decay));
chan[i].attack=chan[i].std.ex5.val&15;
rWrite(i*7+5,(chan[i].attack<<4)|(chan[i].decay));
}
if (chan[i].std.ex6.had) {
chan[i].decay = chan[i].std.ex6.val & 15;
rWrite(i * 7 + 5, (chan[i].attack << 4) | (chan[i].decay));
chan[i].decay=chan[i].std.ex6.val&15;
rWrite(i*7+5,(chan[i].attack<<4)|(chan[i].decay));
}
if (chan[i].std.ex7.had) {
chan[i].sustain = chan[i].std.ex7.val & 15;
rWrite(i * 7 + 6, (chan[i].sustain << 4) | (chan[i].release));
chan[i].sustain=chan[i].std.ex7.val&15;
rWrite(i*7+6,(chan[i].sustain<<4)|(chan[i].release));
}
if (chan[i].std.ex8.had) {
chan[i].release = chan[i].std.ex8.val & 15;
rWrite(i * 7 + 6, (chan[i].sustain << 4) | (chan[i].release));
chan[i].release=chan[i].std.ex8.val&15;
rWrite(i*7+6,(chan[i].sustain<<4)|(chan[i].release));
}
if (sysTick) {
@ -287,7 +264,7 @@ void DivPlatformC64::tick(bool sysTick) {
if (chan[i].keyOn) {
rWrite(i*7+5,(chan[i].attack<<4)|(chan[i].decay));
rWrite(i*7+6,(chan[i].sustain<<4)|(chan[i].release));
rWrite(i*7+4,(chan[i].wave<<4)|(chan[i].test<<3)|(chan[i].ring<<2)|(chan[i].sync<<1)|1);
rWrite(i*7+4,(chan[i].wave<<4)|(chan[i].test<<3)|(chan[i].ring<<2)|(chan[i].sync<<1)|chan[i].gate);
}
if (chan[i].keyOff) {
rWrite(i*7+5,(chan[i].attack<<4)|(chan[i].decay));
@ -431,7 +408,7 @@ int DivPlatformC64::dispatch(DivCommand c) {
break;
case DIV_CMD_WAVE:
chan[c.chan].wave=c.value;
rWrite(c.chan*7+4,(chan[c.chan].wave<<4)|(chan[c.chan].test<<3)|(chan[c.chan].ring<<2)|(chan[c.chan].sync<<1)|(int)(chan[c.chan].active));
rWrite(c.chan*7+4,(chan[c.chan].wave<<4)|(chan[c.chan].test<<3)|(chan[c.chan].ring<<2)|(chan[c.chan].sync<<1)|(int)(chan[c.chan].active && chan[c.chan].gate));
break;
case DIV_CMD_LEGATO:
chan[c.chan].baseFreq=NOTE_FREQUENCY(c.value+((HACKY_LEGATO_MESS)?(chan[c.chan].std.arp.val):(0)));
@ -525,11 +502,11 @@ int DivPlatformC64::dispatch(DivCommand c) {
break;
case 4:
chan[c.chan].ring=c.value;
rWrite(c.chan*7+4,(chan[c.chan].wave<<4)|(chan[c.chan].test<<3)|(chan[c.chan].ring<<2)|(chan[c.chan].sync<<1)|(int)(chan[c.chan].active));
rWrite(c.chan*7+4,(chan[c.chan].wave<<4)|(chan[c.chan].test<<3)|(chan[c.chan].ring<<2)|(chan[c.chan].sync<<1)|(int)(chan[c.chan].active && chan[c.chan].gate));
break;
case 5:
chan[c.chan].sync=c.value;
rWrite(c.chan*7+4,(chan[c.chan].wave<<4)|(chan[c.chan].test<<3)|(chan[c.chan].ring<<2)|(chan[c.chan].sync<<1)|(int)(chan[c.chan].active));
rWrite(c.chan*7+4,(chan[c.chan].wave<<4)|(chan[c.chan].test<<3)|(chan[c.chan].ring<<2)|(chan[c.chan].sync<<1)|(int)(chan[c.chan].active && chan[c.chan].gate));
break;
case 6:
filtControl&=7;
@ -730,7 +707,6 @@ void DivPlatformC64::setFlags(const DivConfig& flags) {
}
keyPriority=flags.getBool("keyPriority",true);
no1EUpdate=flags.getBool("no1EUpdate",false);
newTestBitMacro = flags.getBool("newTestBitMacro", 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);

9
src/engine/platform/c64.h
View file

@ -26,13 +26,17 @@
#include "sound/c64_fp/SID.h"
#include "sound/c64_d/dsid.h"
// TODO:
// - ex3 (special) unify with ex4 (gate/test)
// - ex4 (test) compatibility
class DivPlatformC64: public DivDispatch {
struct Channel: public SharedChannel<signed char> {
int prevFreq, testWhen;
unsigned char sweep, wave, attack, decay, sustain, release;
short duty;
bool sweepChanged, filter;
bool resetMask, resetFilter, resetDuty, ring, sync, test;
bool resetMask, resetFilter, resetDuty, gate, ring, sync, test;
Channel():
SharedChannel<signed char>(15),
prevFreq(65535),
@ -49,6 +53,7 @@ class DivPlatformC64: public DivDispatch {
resetMask(false),
resetFilter(false),
resetDuty(false),
gate(true),
ring(false),
sync(false),
test(false) {}
@ -72,7 +77,7 @@ class DivPlatformC64: public DivDispatch {
unsigned char sidCore;
int filtCut, resetTime;
bool keyPriority, sidIs6581, needInitTables, no1EUpdate, newTestBitMacro;
bool keyPriority, sidIs6581, needInitTables, no1EUpdate;
unsigned char chanOrder[3];
unsigned char testAD, testSR;