Merged revision(s) 21766 from trunk/OpenMPT:

[Mod] Mod Conversion: When converting to IT, clamp maximum tempo to 255 BPM.
........


git-svn-id: https://source.openmpt.org/svn/openmpt/branches/OpenMPT-1.31@21767 56274372-70c3-4bfc-bfc3-4c3a0b034d27

mptrack/ModConvert.cpp

@@ -584,8 +584,8 @@ bool CModDoc::ChangeModType(MODTYPE nNewType)
 
 	ChangeFileExtension(nNewType);
 
-	// Check mod specifications
-	Limit(m_SndFile.m_nDefaultTempo, specs.GetTempoMin(), specs.GetTempoMax());
+	// Special case: CModSpecifications for IT allow tempos up to 512 so that legacy modules play correctly.
+	Limit(m_SndFile.m_nDefaultTempo, specs.GetTempoMin(), nNewType == MOD_TYPE_IT ? TEMPO(255, 0) : specs.GetTempoMax()));
 	Limit(m_SndFile.m_nDefaultSpeed, specs.speedMin, specs.speedMax);
 
 	for(INSTRUMENTINDEX i = 1; i <= m_SndFile.GetNumInstruments(); i++) if(m_SndFile.Instruments[i] != nullptr)