diff options
| -rw-r--r-- | engines/sci/resource.cpp | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/engines/sci/resource.cpp b/engines/sci/resource.cpp index b02c05c2bf..0ec446f141 100644 --- a/engines/sci/resource.cpp +++ b/engines/sci/resource.cpp @@ -1948,8 +1948,12 @@ int SoundResource::getChannelFilterMask(int hardwareMask) { reverseHardwareMask = 0x08; break; } - // Control-Channel -> where bit 0 is not set, bit 3 is set data++; // Skip over digital sample flag + // Now all 16 channels follow. Each one is specified by a single byte + // Upper 4 bits of the byte is a voices count + // Lower 4 bits -> bit 0 means use as Adlib driver + // bit 1 means use as PCjr driver + // bit 3 means is control channel (bit 0 needs to be unset) for (int channelNr = 0; channelNr < 16; channelNr++) { channelMask = channelMask >> 1; if (*data & hardwareMask) { @@ -1969,6 +1973,9 @@ int SoundResource::getChannelFilterMask(int hardwareMask) { case SCI_VERSION_0_LATE: data++; // Skip over digital sample flag + // Now all 16 channels follow. Each one is specified by 2 bytes + // 1st byte is voices count + // 2nd byte is play-mask which specifies if the channel is supposed to get played by the corresponding hardware for (int channelNr = 0; channelNr < 16; channelNr++) { data++; channelMask = channelMask >> 1; |