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422 giacomo 1
#if 0
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#define TRACE_TXT(text) \
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        { \
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          if(dtlk_trace) \
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          { \
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            console_print(text); \
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            console_print("\n"); \
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          } \
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        }
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#define TRACE_CHR(chr) \
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        { \
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          if(dtlk_trace) \
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            console_print(chr); \
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        } \
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#endif
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#define DTLK_MINOR      0
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#define DTLK_IO_EXTENT  0x02
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        /* ioctl's use magic number of 0xa3 */
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#define DTLK_INTERROGATE 0xa390 /* get settings from the DoubleTalk */
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#define DTLK_STATUS 0xa391      /* get status from the DoubleTalk */
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#define DTLK_CLEAR 0x18         /* stops speech */
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#define DTLK_MAX_RETRIES (loops_per_jiffy/(10000/HZ))
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        /* TTS Port Status Flags */
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#define TTS_READABLE     0x80   /* mask for bit which is nonzero if a
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                                   byte can be read from the TTS port */
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#define TTS_SPEAKING     0x40   /* mask for SYNC bit, which is nonzero
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                                   while DoubleTalk is producing
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                                   output with TTS, PCM or CVSD
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                                   synthesizers or tone generators
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                                   (that is, all but LPC) */
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#define TTS_SPEAKING2    0x20   /* mask for SYNC2 bit,
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                                   which falls to zero up to 0.4 sec
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                                   before speech stops */
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#define TTS_WRITABLE     0x10   /* mask for RDY bit, which when set to
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                                   1, indicates the TTS port is ready
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                                   to accept a byte of data.  The RDY
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                                   bit goes zero 2-3 usec after
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                                   writing, and goes 1 again 180-190
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                                   usec later. */
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#define TTS_ALMOST_FULL  0x08   /* mask for AF bit: When set to 1,
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                                   indicates that less than 300 free
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                                   bytes are available in the TTS
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                                   input buffer. AF is always 0 in the
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                                   PCM, TGN and CVSD modes. */
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#define TTS_ALMOST_EMPTY 0x04   /* mask for AE bit: When set to 1,
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                                   indicates that less than 300 bytes
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                                   of data remain in DoubleTalk's
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                                   input (TTS or PCM) buffer. AE is
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                                   always 1 in the TGN and CVSD
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                                   modes. */
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        /* LPC speak commands */
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#define LPC_5220_NORMAL 0x60    /* 5220 format decoding table, normal rate */
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#define LPC_5220_FAST 0x64      /* 5220 format decoding table, fast rate */
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#define LPC_D6_NORMAL 0x20      /* D6 format decoding table, normal rate */
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#define LPC_D6_FAST 0x24        /* D6 format decoding table, fast rate */
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        /* LPC Port Status Flags (valid only after one of the LPC
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           speak commands) */
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#define LPC_SPEAKING     0x80   /* mask for TS bit: When set to 1,
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                                   indicates the LPC synthesizer is
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                                   producing speech.*/
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#define LPC_BUFFER_LOW   0x40   /* mask for BL bit: When set to 1,
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                                   indicates that the hardware LPC
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                                   data buffer has less than 30 bytes
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                                   remaining. (Total internal buffer
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                                   size = 4096 bytes.) */
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#define LPC_BUFFER_EMPTY 0x20   /* mask for BE bit: When set to 1,
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                                   indicates that the LPC data buffer
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                                   ran out of data (error condition if
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                                   TS is also 1).  */
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                                /* data returned by Interrogate command */
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struct dtlk_settings
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{
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  unsigned short serial_number; /* 0-7Fh:0-7Fh */
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  unsigned char rom_version[24]; /* null terminated string */
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  unsigned char mode;           /* 0=Character; 1=Phoneme; 2=Text */
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  unsigned char punc_level;     /* nB; 0-7 */
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  unsigned char formant_freq;   /* nF; 0-9 */
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  unsigned char pitch;          /* nP; 0-99 */
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  unsigned char speed;          /* nS; 0-9 */
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  unsigned char volume;         /* nV; 0-9 */
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  unsigned char tone;           /* nX; 0-2 */
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  unsigned char expression;     /* nE; 0-9 */
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  unsigned char ext_dict_loaded; /* 1=exception dictionary loaded */
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  unsigned char ext_dict_status; /* 1=exception dictionary enabled */
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  unsigned char free_ram;       /* # pages (truncated) remaining for
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                                   text buffer */
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  unsigned char articulation;   /* nA; 0-9 */
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  unsigned char reverb;         /* nR; 0-9 */
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  unsigned char eob;            /* 7Fh value indicating end of
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                                   parameter block */
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  unsigned char has_indexing;   /* nonzero if indexing is implemented */
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};