reSIDfp::Filter Class Reference

#include <Filter.h>

Inheritance diagram for reSIDfp::Filter:

List of all members.

Public Member Functions
virtual int	clock (int v1, int v2, int v3)=0
void	enable (bool enable)
void	setClockFrequency (double clock)
void	reset ()
void	writeFC_LO (unsigned char fc_lo)
void	writeFC_HI (unsigned char fc_hi)
void	writeRES_FILT (unsigned char res_filt)
void	writeMODE_VOL (unsigned char mode_vol)
virtual void	input (int input)=0
Protected Member Functions
virtual void	updatedCenterFrequency ()=0
virtual void	updatedResonance ()=0
virtual void	updatedMixing ()=0
Protected Attributes
double	clockFrequency
int	fc
int	res
int	vol
bool	filt1
bool	filt2
bool	filt3
bool	filtE
bool	voice3off
bool	hp
bool	bp
bool	lp

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Detailed Description

SID filter base class

Author:

Ken Händel

Dag Lem

Antti Lankila

Leandro Nini

---

Member Function Documentation

virtual int reSIDfp::Filter::clock	(	int	v1,
		int	v2,
		int	v3
	)		[pure virtual]

SID clocking - 1 cycle

Parameters:

v1	voice 1 in
v2	voice 2 in
v3	voice 3 in

Returns:

filtered output

Implemented in reSIDfp::Filter6581, and reSIDfp::Filter8580.

void reSIDfp::Filter::enable

(

bool

enable

)

Enable filter.

Parameters:

enable

void reSIDfp::Filter::reset

(

)

SID reset.

virtual void reSIDfp::Filter::updatedCenterFrequency

(

)

[protected, pure virtual]

Set filter cutoff frequency.

Implemented in reSIDfp::Filter6581, and reSIDfp::Filter8580.

virtual void reSIDfp::Filter::updatedMixing

(

)

[protected, pure virtual]

Mixing configuration modified (offsets change)

Implemented in reSIDfp::Filter6581, and reSIDfp::Filter8580.

virtual void reSIDfp::Filter::updatedResonance

(

)

[protected, pure virtual]

Set filter resonance.

Implemented in reSIDfp::Filter6581, and reSIDfp::Filter8580.

void reSIDfp::Filter::writeFC_HI

(

unsigned char

fc_hi

)

Register function.

Parameters:

fc_hi

Frequency Cutoff High-Byte

void reSIDfp::Filter::writeFC_LO

(

unsigned char

fc_lo

)

Register function.

Parameters:

fc_lo

Frequency Cutoff Low-Byte

void reSIDfp::Filter::writeMODE_VOL

(

unsigned char

mode_vol

)

Register function.

Parameters:

mode_vol

Filter Mode/Volume

void reSIDfp::Filter::writeRES_FILT

(

unsigned char

res_filt

)

Register function.

Parameters:

res_filt

Resonance/Filter

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Member Data Documentation

double reSIDfp::Filter::clockFrequency [protected]

Current clock frequency.

int reSIDfp::Filter::fc [protected]

Filter cutoff frequency.

bool reSIDfp::Filter::filt1 [protected]

Routing to filter or outside filter

bool reSIDfp::Filter::hp [protected]

Highpass, bandpass, and lowpass filter modes.

int reSIDfp::Filter::res [protected]

Filter resonance.

bool reSIDfp::Filter::voice3off [protected]

Switch voice 3 off.

int reSIDfp::Filter::vol [protected]

Current volume.

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The documentation for this class was generated from the following files:

• Filter.h
• Filter.cpp