Initial commit of MIDI converter.

Platform/Apple/tools/ConvertMidi/cvtmid.py

@@ -0,0 +1,34 @@
+#!/usr/bin/python
+
+import sys
+#from mido import MidiFile
+import mido
+
+mid = mido.MidiFile(sys.argv[1])
+totaltime = 0
+for msg in mid:
+    if msg.type == 'note_on' or msg.type == 'note_off':
+        deltatime = int(msg.time * 16 + 0.5)
+        octave    = int(msg.note / 12 - 1)
+        onote     = int(msg.note % 12)
+        lrchan    = int(msg.channel & 1)
+        vol       = int(msg.velocity >> 3)
+        if msg.velocity > 0 and vol == 0:
+            vol = 1
+        if msg.type == 'note_off':
+            vol = 0
+        if octave < 0:
+            octave = 0
+        totaltime += deltatime
+        if msg.channel == 9:
+            #
+            # Percussion
+            #
+            if vol > 0 and deltatime > 0:
+                print '\t!BYTE\t${0:02X}, ${1:02X}, ${2:02X}'.format(deltatime, msg.note >> 3, 2)
+        else:
+            #
+            # Note
+            #
+            print '\t!BYTE\t${0:02X}, ${1:02X}, ${2:02X}'.format(deltatime, 0x80 | (octave << 4) | onote, (lrchan << 7) | vol)
+print '\t!BYTE\t$00, $00, $00'