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SAA1099: fix SAASound on MSVC

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tildearrow 2024-04-27 23:52:19 -05:00
parent 4679501f75
commit aac3b719be
11 changed files with 51 additions and 50 deletions
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4
extern/SAASound/src/SAAFreq.cpp vendored
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@ -173,7 +173,7 @@ void CSAAFreq::_SetClockRate(int nClockRate)
// initialise the frequency table based on the SAA clockrate
// Each item in m_FreqTable corresponds to the frequency calculated by
// the standard formula (15625 << octave) / (511 - offset)
// then multiplied by 8192 (and represented as a long integer value).
// then multiplied by 8192 (and represented as a int integer value).
// We are therefore using 12 bits (i.e. 2^12 = 4096) as fractional part.
// The reason we multiply by 8192, not 4096, is that we use this as a counter
// to toggle the oscillator state, so we need to count half-waves (i.e. twice
@ -188,7 +188,7 @@ void CSAAFreq::_SetClockRate(int nClockRate)
int ix = 0;
for (int nOctave = 0; nOctave < 8; nOctave++)
for (int nOffset = 0; nOffset < 256; nOffset++)
m_FreqTable[ix++] = (unsigned long)((8192.0 * 15625.0 * double(1 << nOctave) * (double(nClockRate) / 8000000.0)) / (511.0 - double(nOffset)));
m_FreqTable[ix++] = (unsigned int)((8192.0 * 15625.0 * double(1 << nOctave) * (double(nClockRate) / 8000000.0)) / (511.0 - double(nOffset)));
}
}
#endif