libsidplayfp
1.2.1
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#include <Filter8580.h>
Public Member Functions | |
int | clock (int voice1, int voice2, int voice3) |
void | updatedCenterFrequency () |
void | updatedResonance () |
void | input (int input) |
void | updatedMixing () |
void | setFilterCurve (double curvePosition) |
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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) |
Additional Inherited Members | |
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double | clockFrequency |
int | fc |
int | res |
int | vol |
bool | filt1 |
bool | filt2 |
bool | filt3 |
bool | filtE |
bool | voice3off |
bool | hp |
bool | bp |
bool | lp |
Filter for 8580 chip based on simple linear approximation of the FC control.
This is like the original reSID filter except the phase of BP output has been inverted. I saw samplings on the internet that indicated it would genuinely happen like this.
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virtual |
SID clocking - 1 cycle
v1 | voice 1 in |
v2 | voice 2 in |
v3 | voice 3 in |
Implements reSIDfp::Filter.
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inlinevirtual |
Set filter cutoff frequency.
Implements reSIDfp::Filter.
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inlinevirtual |
Mixing configuration modified (offsets change)
Implements reSIDfp::Filter.
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inlinevirtual |
Set filter resonance.
Implements reSIDfp::Filter.