add some headers, split some of z64.h

include/z64thread.h

@@ -0,0 +1,33 @@
+#ifndef Z64THREAD_H
+#define Z64THREAD_H
+
+#include "ultra64.h"
+
+#define THREAD_ID_IDLE        1
+#define THREAD_ID_FAULT       2
+#define THREAD_ID_MAIN        3
+#define THREAD_ID_GRAPH       4
+#define THREAD_ID_SCHED       5
+#define THREAD_ID_PADMGR      7
+#define THREAD_ID_N64DD       8
+#define THREAD_ID_DDMSG       9
+#define THREAD_ID_AUDIOMGR   10
+#define THREAD_ID_DMAMGR     18
+#define THREAD_ID_IRQMGR     19
+
+#define THREAD_PRI_IDLE_INIT    10
+#define THREAD_PRI_MAIN_INIT    10
+#define THREAD_PRI_DMAMGR_LOW   10  // Used when decompressing files
+#define THREAD_PRI_GRAPH        11
+#define THREAD_PRI_AUDIOMGR     12
+#define THREAD_PRI_N64DD        13
+#define THREAD_PRI_DDMSG        13
+#define THREAD_PRI_PADMGR       14
+#define THREAD_PRI_MAIN         15
+#define THREAD_PRI_SCHED        15
+#define THREAD_PRI_DMAMGR       16
+#define THREAD_PRI_IRQMGR       17
+#define THREAD_PRI_FAULT_CLIENT (OS_PRIORITY_APPMAX - 1)
+#define THREAD_PRI_FAULT        OS_PRIORITY_APPMAX
+
+#endif