audio_seqplayer.c cleanup (#1274)

* Audio Seqplayer Cleanup

* More

* Edit description

* PR Suggestions

* while true

* Cleanup function declarations

* Extra space, oops

* Small fix

* PR Suggestions

* tatums per beat

* Edit comment

include/z64audio.h

@@ -8,6 +8,7 @@
 #define TATUMS_PER_BEAT 48
 
 #define IS_SEQUENCE_CHANNEL_VALID(ptr) ((u32)(ptr) != (u32)&gAudioContext.sequenceChannelNone)
+#define SEQ_NUM_CHANNELS 16
 
 #define MAX_CHANNELS_PER_BANK 3
 

src/code/audio_load.c

@@ -1844,7 +1844,7 @@ s32 AudioLoad_ProcessSamplePreloads(s32 resetStatus) {
 
         // Pop requests with isFree = true off the stack, as far as possible,
         // and dispatch the next DMA.
-        for (;;) {
+        while (true) {
             if (gAudioContext.preloadSampleStackTop <= 0) {
                 break;
             }

src/code/audio_playback.c

@@ -652,7 +652,7 @@ void Audio_NotePoolClear(NotePool* pool) {
                 break;
         }
 
-        for (;;) {
+        while (true) {
             cur = source->next;
             if (cur == source || cur == NULL) {
                 break;