OnIdle loop executes emuMain twice

[spacy51]

The MFC GUI executes emuMain twice in OnIdle. Why?

I tested it without the for statement, and there's no difference for me.

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for(int i = 0; i < 2; i++) {
emulator.emuMain(emulator.emuCount);

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  if(lanlink.connected&&linkid&&lc.numtransfers==0) lc.CheckConn();

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  if(rewindSaveNeeded && rewindMemory && emulator.emuWriteMemState) {
    rewindCount++;
    if(rewindCount > 8)
      rewindCount = 8;
    if(emulator.emuWriteMemState(&rewindMemory[rewindPos*REWIND_SIZE],
                                 REWIND_SIZE)) {
      rewindPos = ++rewindPos & 7;
      if(rewindCount == 8)
        rewindTopPos = ++rewindTopPos & 7;
    }
  }

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  rewindSaveNeeded = false;
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