diff options
| -rw-r--r-- | engines/kyra/sound_adlib.cpp | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/engines/kyra/sound_adlib.cpp b/engines/kyra/sound_adlib.cpp index 03577c7e7d..91c6356624 100644 --- a/engines/kyra/sound_adlib.cpp +++ b/engines/kyra/sound_adlib.cpp @@ -1788,11 +1788,22 @@ const AdlibDriver::ParserOpcode AdlibDriver::_parserOpcodeTable[] = { const int AdlibDriver::_opcodesEntries = ARRAYSIZE(AdlibDriver::_opcodeList); const int AdlibDriver::_parserOpcodeTableSize = ARRAYSIZE(AdlibDriver::_parserOpcodeTable); +// This table holds the register offset for operator 1 for each of the nine +// channels. To get the register offset for operator 2, simply add 3. + const uint8 AdlibDriver::_outputTable[] = { 0x00, 0x01, 0x02, 0x08, 0x09, 0x0A, 0x10, 0x11, 0x12 }; +// Given the size of this table, and the range of its values, it's probably the +// F-Numbers (10 bits) for the notes of the 12-tone scale. However, it does not +// match the table in the Adlib documentation I've seen. +// +// The values from this table is always added to state.unk15, which could make +// unk15 a pitch bend factor of some kind, and updateCallback20() would then +// be update_setPitchBend(). + const uint16 AdlibDriver::_unkTable[] = { 0x0134, 0x0147, 0x015A, 0x016F, 0x0184, 0x019C, 0x01B4, 0x01CE, 0x01E9, 0x0207, 0x0225, 0x0246 |