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POLY.H
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1989-12-07
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1KB
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55 lines
/*
*
* poly.h -- defines for the Polyphonic Music functions
*
****************/
/* note values of octave which contains middle C on my TURBO XT cloane */
#define CNAT_M 390
#define CSHA_M 413
#define DNAT_M 438
#define DSHA_M 462
#define ENAT_M 490
#define ESHA_M 519
#define FNAT_M 519
#define FSHA_M 550
#define GNAT_M 583
#define GSHA_M 618
#define ANAT_M 655
#define ASHA_M 694
#define BNAT_M 736
#define BSHA_M 779
/*
note: to find a note value, newval, ONE HALF STEP above a value x:
newval = x / 0.94365
ONE HALF STEP below:
newval = x * 0.94365
*/
/* defines for voice, tempo, values, etc. */
#define TCHANGE 16384 /* constant values to use in poly() and tritone() */
#define V1 32768
#define V2 40960
#define V3 49152
#define V4 53744 /* note: this is only in prototype stages, poly() will interpret as V3 */
#define DUR 8192
#define KBCHECK 24576
#define STOP 0
/* function definitions: */
int playpoly(char *, int);
int looppoly(char *, int);
int playpolykb(char *, int);
int looppolykb(char *, int);
unsigned *sngopen(char *plyfilename, int defaulttempo);
int sngclose(unsigned *tune);
unsigned plytempo( int, int, unsigned, unsigned );
void poly( unsigned * );
void polykb( unsigned * );