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Full-speed: fix for occasional speaker clicks

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tomcw 2020-05-23 22:34:15 +01:00
parent a8671f7a6a
commit cca3ecd436
1 changed files with 3 additions and 1 deletions
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4
source/Speaker.cpp
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@ -399,7 +399,9 @@ BYTE __stdcall SpkrToggle (WORD, WORD, BYTE, BYTE, ULONG nExecutedCycles)
if (g_bQuieterSpeaker) // quieten the speaker if 8 bit DAC in use if (g_bQuieterSpeaker) // quieten the speaker if 8 bit DAC in use
speakerDriveLevel /= 4; // NB. Don't shift -ve number right: undefined behaviour (MSDN says: implementation-dependent) speakerDriveLevel /= 4; // NB. Don't shift -ve number right: undefined behaviour (MSDN says: implementation-dependent)
ResetDCFilter(); // When full-speed: Don't ResetDCFilter(), otherwise get occasional clicks when speaker toggled
if (!g_bFullSpeed)
ResetDCFilter();
if (g_nSpeakerData == speakerDriveLevel) if (g_nSpeakerData == speakerDriveLevel)
g_nSpeakerData = ~speakerDriveLevel; g_nSpeakerData = ~speakerDriveLevel;