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//FFT.c C callable FFT function in C #define PTS 256 //# of points for FFT typedef struct {float real,imag;} COMPLEX; extern COMPLEX w[PTS]; //twiddle constants stored in w v

//Dotp4clasm.c Multiplies two arrays using C calling linear ASM func short dotp4clasmfunc(short *a,short *b,short ncount); //prototype #include //for printing statement

//Adaptnoise_pcm.c Adaptive FIR for noise cancellation using PCM3003 #define beta 1E-12 //rate of convergence #define N 30 //# of weights (coefficients) #d

//dotpfunc.c Optimized dot product function int dotpfunc(const short *a, const short *b, int ncount) { int sum = 0; int i; _nassert((int)(a)%4 == 0); _nassert((int)(b)%4 == 0

//dotpopt.c Optimized dot product of two arrays #include #include "dotp4.h" #define count 4 short x[count] = {x_array}; //declaration of 1st array short y[count] = {y

//Factorial.c Finds factorial of n. Calls function factfunc.asm #include //for print statement void main() { short n=7; //set value short result; //re

//two_tones.c Generates/adds two tones using difference equations short sinegen(void); //for generating tone short output; //for output short sinegen_buffer[256]; //buffer for out

//FastConvo.c FIR filter implemented using overlap-add fast convolution #include #include "coeffs.h" //time domain FIR coefficients #define PI 3.14159265358979 #define PTS

//AdaptIDFIR.c Adaptive FIR for system ID of an FIR (uses C67 tools) #include "bp55.cof" //fixed FIR filter coefficients #include "noise_gen.h" //support noise generation f

//AM.c AM using table for carrier and baseband signals short amp = 1; void main() { short baseband[20]={1000,951,809,587,309,0,-309,-587,-809,-951, -1000,-951,-809,-587,-309,0,309,587,80