platform/gp2x/code940/940shared.h

   1 #include "../../../pico/sound/ym2612.h"\r
   2 #include "../../common/helix/pub/mp3dec.h"\r
   3 \r
   4 // max 16 jobs, lower num means higher prio\r
   5 enum _940_job_t {\r
   6         JOB940_INITALL = 1,\r
   7         JOB940_INVALIDATE_DCACHE,\r
   8         JOB940_YM2612RESETCHIP,\r
   9         JOB940_YM2612UPDATEONE,\r
  10         JOB940_MP3DECODE,\r
  11         JOB940_PICOSTATELOAD,\r
  12         JOB940_PICOSTATESAVE2,\r
  13         JOB940_PICOSTATELOAD2_PREP,\r
  14         JOB940_PICOSTATELOAD2,\r
  15         JOB940_MP3RESET,\r
  16 };\r
  17 \r
  18 //#define MAX_940JOBS   2\r
  19 \r
  20 typedef struct\r
  21 {\r
  22         YM2612  ym2612;                         /* current state of the emulated YM2612 */\r
  23         HMP3Decoder mp3dec;                     /* mp3 decoder's handle */\r
  24         int     ym_buffer[44100/50*2];          /* this is where the YM2612 samples will be mixed to */\r
  25         short   mp3_buffer[2][1152*2];          /* buffers for mp3 decoder's output */\r
  26 } _940_data_t;\r
  27 \r
  28 \r
  29 typedef struct\r
  30 {\r
  31         int             vstarts[8];                             /* debug: 00: number of starts from each of 8 vectors */\r
  32         int             last_lr;                                /* debug: 20: last exception's lr */\r
  33 //      int             jobs[MAX_940JOBS];                      /* jobs for second core */\r
  34 //      int             busy_;                                  /* unused */\r
  35         int             length;                                 /* number of samples to mix (882 max) */\r
  36         int             stereo;                                 /* mix samples as stereo, doubles sample count automatically */\r
  37         int             baseclock;                              /* ym2612 settings */\r
  38         int             rate;\r
  39         int             writebuffsel;                   /* which write buffer to use (from 940 side) */\r
  40         UINT16  writebuff0[2048];                       /* list of writes to ym2612, 1024 for savestates, 1024 extra */\r
  41         UINT16  writebuff1[2048];\r
  42         int             ym_active_chs;\r
  43         int             mp3_len;                        /* data len of loaded mp3 */\r
  44         int             mp3_offs;                       /* current playback offset (just after last decoded frame) */\r
  45         int             mp3_buffsel;                    /* which output buffer to decode to */\r
  46         int             loopc;                          /* debug: main loop counter */\r
  47         int             mp3_errors;                     /* debug: mp3 decoder's error counter */\r
  48         int             mp3_lasterr;                    /* debug: mp3 decoder's last error */\r
  49         int             lastjob;                        /* debug: last job id */\r
  50 } _940_ctl_t;\r