Sim68K Sound

TRAP #15 is used for I/O.  Put the task number in D0.

 Task

 70

 Play the WAV file using the standard player.
 Only one sound may be played at a time.
    Pre:   (A1) null terminated path address. Invalid file names are ignored.
    Post: D0.W = 0 if player is busy, sound is not played.
             D0.W = non zero if sound played.

 71

 Load a WAV file into sound memory (not 68000 memory).
    Pre: (A1) null terminated path address. Invalid file names are ignored.
           D1.B reference number to use for sound 0-255.
    A maximum of 256 sounds may be loaded at any one time.
    Reusing a reference number will replace the current sound.

 72

 Play sound from sound memory loaded with task 71 using standard player.
 Only one sound may be played at a time.
    Pre: D1.B must contain sound reference number used in task 71.
    Post: D0.W = 0 if player is busy, sound is not played.
             D0.W = non zero if sound played.

 73

 Play the WAV file using DirectX player, if available.
 Multiple sounds may be played at the same time.
    Pre:   (A1) null terminated path address. Invalid file names are ignored.
    Post: D0.W = 0 if DirectX player not available, sound is not played.
             D0.W = non zero if sound played.

 74

 Load a WAV file into DirectX sound memory (not 68000 memory).
 A maximum of 256 sounds may be loaded at any one time.
 Reusing a reference number will replace the current sound.
    Pre: (A1) null terminated path address. Invalid file names are ignored.
           D1.B reference number to use for sound 0-255.
    Post: D0.W = 0 if DirectX player not available.
             D0.W = non zero if sound loaded.
 75  Play sound from DirectX sound memory loaded with task 74.
    Pre: D1.B must contain sound reference number used in task 74.
    Post: D0.W = 0 if DirectX player not available, sound is not played.
             D0.W = non zero if sound played.
 76  Control Standard player
 Sounds must be in memory loaded with task 71.
 Only one sound may be played at a time.
    Pre: D1.B contains sound reference number used in task 71.
           D2.L = 0, play sound once (this is the same as task 72)
           D2.L = 1, play sound in loop, returns error if sound currently playing.
           D2.L = 2, stop D1.B referenced sound, returns error on bad reference number
           D2.L = 3, stop all sounds, returns success (D1.B ignored)
           D2.L = other values reserved
    Post: D0.W = 0 on error.
             D0.W = non zero on success.
 77  Control DirectX player, if available
 Sounds must be in DirectX memory loaded with task 74.
 Multiple sounds may be played at the same time.
    Pre: D1.B contains sound reference number used in task 74.
           D2.L = 0, play sound once (this is the same as task 75)
           D2.L = 1, play sound in loop. The same sound may be played multiple times.
           D2.L = 2, stop D1.B referenced sound, returns error on bad reference number
           D2.L = 3, stop all sounds (D1.B ignored)
           D2.L = other values reserved
    Post: D0.W = 0 if DirectX player not available.
             D0.W = non zero on success.