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Corrects implementation of updateCallback48.

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svn-id: r21105
This commit is contained in:
Johannes Schickel 2006-03-05 21:48:55 +00:00
parent 5e25b3b679
commit e2779a0658
1 changed files with 12 additions and 14 deletions
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26
engines/kyra/sound_adlib.cpp
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@ -1380,20 +1380,18 @@ int AdlibDriver::updateCallback48(uint8 *&dataptr, OutputState &state, uint8 val
int tableBackUp = _curTable;
int outputByteBackUp = _unkOutputByte1;
uint8 entry = value * 2;
uint8 entry = value << 1;
uint8 *ptr = _soundData + READ_LE_UINT16(_soundData + entry + 0x1F4);
uint8 *ptr = _soundData;
_curTable = 6;
_unkOutputByte1 = _outputTable[6];
ptr += READ_LE_UINT16(_soundData + entry + 0x1F4);
_unkValue6 = *(ptr + 6);
updateAndOutput2(_unkOutputByte1, ptr, state);
entry = *ptr++ * 2;
entry = *dataptr++ << 1;
ptr = _soundData + READ_LE_UINT16(_soundData + entry + 0x1F4);
ptr = _soundData;
_curTable = 7;
_unkOutputByte1 = _outputTable[7];
@ -1401,9 +1399,9 @@ int AdlibDriver::updateCallback48(uint8 *&dataptr, OutputState &state, uint8 val
_unkValue8 = entry = *(ptr + 6);
updateAndOutput2(_unkOutputByte1, ptr, state);
entry = *ptr++ * 2;
entry = *dataptr++ << 1;
ptr = _soundData + READ_LE_UINT16(_soundData + entry + 0x1F4);
ptr = _soundData;
_curTable = 8;
_unkOutputByte1 = _outputTable[8];
@ -1413,17 +1411,17 @@ int AdlibDriver::updateCallback48(uint8 *&dataptr, OutputState &state, uint8 val
// Octave / F-Number / Key-On for channels 6, 7 and 8
_outputTables[6].unkOutputValue1 = *ptr++ & 0x2F;
_outputTables[6].unkOutputValue1 = *dataptr++ & 0x2F;
writeOPL(0xB6, _outputTables[6].unkOutputValue1);
writeOPL(0xA6, *ptr++);
writeOPL(0xA6, *dataptr++);
_outputTables[7].unkOutputValue1 = *ptr++ & 0x2F;
_outputTables[7].unkOutputValue1 = *dataptr++ & 0x2F;
writeOPL(0xB7, _outputTables[7].unkOutputValue1);
writeOPL(0xA7, *ptr++);
writeOPL(0xA7, *dataptr++);
_outputTables[8].unkOutputValue1 = *ptr++ & 0x2F;
_outputTables[8].unkOutputValue1 = *dataptr++ & 0x2F;
writeOPL(0xB8, _outputTables[8].unkOutputValue1);
writeOPL(0xA8, *ptr++);
writeOPL(0xA8, *dataptr++);
_unk4 = 0x20;