INT 83 - JM Pro Tracker v5.0 - ???                                              
	AH = 00h
	???
Return: CF clear (successful)
	AX = ??? (0302h)
Program: JM Pro Tracker is a public-domain resident .MOD (digital music)
	  player by Josha Munnik


(Table 03976)
Values for JM Pro Tracker error code:
 000Ah	???
 000Bh	???
 0014h	???
 001Eh	some required parameters have not yet been set
 001Fh	already playing???
 FExxh	busy (API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running.  Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. call already in progress)
 FFxxh	invalid function number