// these BLEP routines were coded by aciddose #pragma once #include <stdint.h>#include "pt2_paula.h" // PAULA_VOICES /* aciddose:** information on blep variables**** ZC = zero crossings, the number of ripples in the impulse** OS = oversampling, how many samples per zero crossing are taken** SP = step size per output sample, used to lower the cutoff (play the impulse slower)** NS = number of samples of impulse to insert** RNS = the lowest power of two greater than NS, minus one (used to wrap output buffer)**** ZC and OS are here only for reference, they depend upon the data in the table and can't be changed.** SP, the step size can be any number lower or equal to OS, as long as the result NS remains an integer.** for example, if ZC=8,OS=5, you can set SP=1, the result is NS=40, and RNS must then be 63.** the result of that is the filter cutoff is set at nyquist * (SP/OS), in this case nyquist/5.*/ #define BLEP_ZC 16#define BLEP_OS 16#define BLEP_SP 16#define BLEP_NS (BLEP_ZC * BLEP_OS / BLEP_SP)#define BLEP_RNS 31 // RNS = (2^ > NS) - 1 typedef struct blep_t{	int32_t index, samplesLeft;	double dBuffer[BLEP_RNS + 1], dLastValue;} blep_t; void blepAdd(blep_t *b, double dOffset, double dAmplitude);double blepRun(blep_t *b, double dInput);