Reorganised slightly, and added my spc sample ripper + spc2it.

spctools/spc2it/it.h

@@ -0,0 +1,33 @@
+/****************************************************
+*Part of SPC2IT, read readme.md for more information*
+****************************************************/
+
+#ifndef IT_H
+#define IT_H
+
+#define NUM_PATT_BUFS 128
+
+#include "spc2ittypes.h"
+
+s32 ITStart(s32); // Opens temp file, inits writing
+s32 ITUpdate(); // Dumps pattern buffers to file
+s32 ITWrite(char *fn); // Stops recording and writes IT file from temp data
+void ITMix();
+
+// Macros
+
+#define FINE_SLIDE 0xF0
+#define EXTRA_FINE_SLIDE 0xE0
+#define EFFECT_F 6
+#define EFFECT_E 5
+
+#define IT_PATTERN_MAX 0xFD // The original Impulse Tracker has 200 patterns max
+#define IT_SAMPLE_MAX 0xFF // The original Impulse Tracker has 99 samples max
+
+#define IT_MASK_NOTE 1 // 0001 (Note)
+#define IT_MASK_SAMPLE 2 // 0010 (Sample/instrument marker)
+#define IT_MASK_ADJUSTVOLUME 4 // 0100 (volume/panning)
+#define IT_MASK_NOTE_SAMPLE_ADJUSTVOLUME (IT_MASK_NOTE | IT_MASK_SAMPLE | IT_MASK_ADJUSTVOLUME)
+#define IT_MASK_PITCHSLIDE 8 // 1000 (some special command, we use effect F and effect E)
+
+#endif