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SHERLOCK: adlib: in-use timer, thx LordHoto

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This commit is contained in:
Martin Kiewitz 2015-05-31 00:58:49 +02:00
parent ec56344ed7
commit 6ce9be2404
1 changed files with 7 additions and 7 deletions
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14
engines/sherlock/scalpel/drivers/adlib.cpp
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@ -269,8 +269,10 @@ private:
// stores information about all FM voice channels
adlib_ChannelEntry _channels[SHERLOCK_ADLIB_VOICES_COUNT];
void updateChannelInUseTimers();
protected:
void onTimer();
private:
void resetAdLib();
void resetAdLib_OperatorRegisters(byte baseRegister, byte value);
void resetAdLib_FMVoiceChannelRegisters(byte baseRegister, byte value);
@ -337,10 +339,10 @@ void MidiDriver_AdLib::setVolume(byte volume) {
//renewNotes(-1, true);
}
// this should normally get called per tick
// but calling it per send() shouldn't be a problem
// TODO: maybe change inUseTimer to a 32-bit integer to make sure there are no overruns?!?!
void MidiDriver_AdLib::updateChannelInUseTimers() {
// this should/must get called per tick
// original driver did this before MIDI data processing on each tick
// we do it atm after MIDI data processing
void MidiDriver_AdLib::onTimer() {
for (byte FMvoiceChannel = 0; FMvoiceChannel < SHERLOCK_ADLIB_VOICES_COUNT; FMvoiceChannel++) {
if (_channels[FMvoiceChannel].inUse) {
_channels[FMvoiceChannel].inUseTimer++;
@ -411,8 +413,6 @@ void MidiDriver_AdLib::send(uint32 b) {
byte op1 = (b >> 8) & 0xff;
byte op2 = (b >> 16) & 0xff;
updateChannelInUseTimers();
switch (command) {
case 0x80:
noteOff(channel, op1);