workbench/devs/AHI/Examples/Low-level/PT-AHIPlay/PT-AHIPlay.h

   1
   2 #include <devices/ahi.h>
   3
   4 extern __asm BOOL mt_init( register __a2 struct PTData * );
   5 extern __asm BOOL mt_start( register __a2 struct PTData * );
   6 extern __asm void mt_stop( register __a2 struct PTData * );
   7 extern __asm void mt_end( register __a2 struct PTData * );
   8 extern __asm void mt_music( register __a2 struct PTData * );
   9
  10 #define n_note          0
  11 #define n_cmd           2
  12 #define n_cmdlo         3
  13 #define n_start         4
  14 #define n_length        8
  15 #define n_loopstart     10
  16 #define n_replen        14
  17 #define n_period        16
  18 #define n_finetune      18
  19 #define n_volume        19
  20 #define n_dmabit        20
  21 #define n_toneportdirec 22
  22 #define n_toneportspeed 23
  23 #define n_wantedperiod  24
  24 #define n_vibratocmd    26
  25 #define n_vibratopos    27
  26 #define n_tremolocmd    28
  27 #define n_tremolopos    29
  28 #define n_wavecontrol   30
  29 #define n_glissfunk     31
  30 #define n_sampleoffset  32
  31 #define n_pattpos       33
  32 #define n_loopcount     34
  33 #define n_funkoffset    35
  34 #define n_wavestart     36
  35 #define n_reallength    40
  36 #define n_SIZEOF        42
  37
  38 struct PaulaEmul
  39 {
  40         BOOL    pe_NewSample;                   /* Flag                          */
  41         ULONG   pe_Offset;                      /* Offset from sample start      */
  42         UWORD   pe_Length;                      /* Length in *WORDS* (like Paula)*/
  43         BOOL    pe_NewLoopSample;               /* Flag                          */
  44         ULONG   pe_LoopOffset;                  /* Offset from sample start      */
  45         UWORD   pe_LoopLength;                  /* Length in *WORDS* (like Paula)*/
  46         BOOL    pe_NewPeriod;                   /* Flag                          */
  47         UWORD   pe_Period;                      /* Paula period                  */
  48         BOOL    pe_NewVolume;                   /* Flag                          */
  49         UWORD   pe_Volume;                      /* Paula volume, 0-64            */
  50 };
  51
  52 struct PTData
  53 {
  54         struct AHIBase          *ptd_AHIBase;           /* Must be initialized!  */
  55         struct AHIAudioCtrl     *ptd_AudioCtrl;         /* Must be initialized!  */
  56         APTR                     ptd_ModuleAddress;     /* Must be initialized!  */
  57
  58         struct PaulaEmul         ptd_Ch2;               /* Ch2 (left)            */
  59         struct PaulaEmul         ptd_Ch1;               /* Ch1 (right)           */
  60         struct PaulaEmul         ptd_Ch3;               /* Ch3 (left)            */
  61         struct PaulaEmul         ptd_Ch4;               /* Ch4 (right)           */
  62
  63         ULONG                    ptd_SampleStarts[31];
  64         UBYTE                    ptd_chan1temp[n_SIZEOF];
  65         UBYTE                    ptd_chan2temp[n_SIZEOF];
  66         UBYTE                    ptd_chan3temp[n_SIZEOF];
  67         UBYTE                    ptd_chan4temp[n_SIZEOF];
  68
  69         UWORD                   ptd_NewTempo;
  70         UWORD                   ptd_Tempo;
  71
  72         UBYTE                   ptd_speed;
  73         UBYTE                   ptd_counter;
  74         UBYTE                   ptd_SongPos;
  75         UBYTE                   ptd_PBreakPos;
  76         UBYTE                   ptd_PosJumpFlag;
  77         UBYTE                   ptd_PBreakFlag;
  78         UBYTE                   ptd_LowMask;
  79         UBYTE                   ptd_PattDelTime;
  80         UBYTE                   ptd_PattDelTime2;
  81         UBYTE                   ptd_Enable;
  82         UWORD                   ptd_PatternPos;
  83         UWORD                   ptd_DMACONtemp;
  84 };