Initially keep the serial port interrupt down. Fixes Kingdom O' Magic soundcard detection.
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@3499
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@ -1065,6 +1065,7 @@ void CSerial::Init_Registers () {
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Write_LCR (lcrresult);
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updateMSR();
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Read_MSR();
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PIC_DeActivateIRQ(irq);
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}
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CSerial::CSerial(Bitu id, CommandLine* cmd) {
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