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Fix bigendian MIDI (#113)

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* Fix bigendian MIDI

Add define READ_INT16(b) and fix MUSh header

* Update mmus2mid.c

* Revert "Update mmus2mid.c"

This reverts commit fc8c2119d3d288b91be5570e1772358307f3b269.

* Update mmus2mid.c
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BeWorld 2021-01-26 20:53:52 +01:00 committed by GitHub
parent 8cdf91337a
commit 18bb743540
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1 changed files with 7 additions and 2 deletions
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Source/mmus2mid.c
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@ -286,6 +286,7 @@ static UBYTE MidiEvent(MIDI *mididata,UBYTE midicode,UBYTE MIDIchannel,
// //
// Returns 0 if successful, otherwise an error code (see mmus2mid.h). // Returns 0 if successful, otherwise an error code (see mmus2mid.h).
// //
#define READ_INT16(b) ((b)[0] | ((b)[1] << 8))
int mmus2mid(UBYTE *mus, MIDI *mididata, UWORD division, int nocomp) int mmus2mid(UBYTE *mus, MIDI *mididata, UWORD division, int nocomp)
{ {
UWORD TrackCnt = 0; UWORD TrackCnt = 0;
@ -302,8 +303,12 @@ int mmus2mid(UBYTE *mus, MIDI *mididata, UWORD division, int nocomp)
signed char MUS2MIDchannel[MIDI_TRACKS]; signed char MUS2MIDchannel[MIDI_TRACKS];
// copy the MUS header from the MUS buffer to the MUSh header structure // copy the MUS header from the MUS buffer to the MUSh header structure
memcpy(MUSh.ID, mus, 4);
memcpy(&MUSh,mus,sizeof(MUSheader)); MUSh.ScoreLength = READ_INT16(&mus[4]);
MUSh.ScoreStart = READ_INT16(&mus[6]);
MUSh.channels = READ_INT16(&mus[8]);
MUSh.SecChannels = READ_INT16(&mus[10]);
MUSh.InstrCnt = READ_INT16(&mus[12]);
// check some things and set length of MUS buffer from internal data // check some things and set length of MUS buffer from internal data