// ---------------------------------------------------------------------------- // Constructor. // ---------------------------------------------------------------------------- Filter::Filter() { fc = 0; res = 0; filt = 0; voice3off = 0; hp_bp_lp = 0; vol = 0; // State of filter. Vhp = 0; Vbp = 0; Vlp = 0; Vnf = 0; enable_filter(true); // Create mappings from FC to cutoff frequency. interpolate(f0_points_6581, f0_points_6581 + sizeof(f0_points_6581)/sizeof(*f0_points_6581) - 1, PointPlotter<sound_sample>(f0_6581), 1.0); interpolate(f0_points_8580, f0_points_8580 + sizeof(f0_points_8580)/sizeof(*f0_points_8580) - 1, PointPlotter<sound_sample>(f0_8580), 1.0); set_chip_model(MOS6581); }
// ---------------------------------------------------------------------------- // Constructor. // ---------------------------------------------------------------------------- WaveformGenerator::WaveformGenerator() { sync_source = this; set_chip_model(MOS6581); reset(); }
RESID_NAMESPACE_START // ---------------------------------------------------------------------------- // Constructor. // ---------------------------------------------------------------------------- Voice::Voice() : muted(false) { set_chip_model(MOS6581); }
RESID_NAMESPACE_START // ---------------------------------------------------------------------------- // Constructor. // ---------------------------------------------------------------------------- ExternalFilter::ExternalFilter() { reset(); enable_filter(true); set_sampling_parameter(15915.6); set_chip_model(MOS6581); }
// ---------------------------------------------------------------------------- // Constructor. // ---------------------------------------------------------------------------- ExternalFilter::ExternalFilter() { reset(); enable_filter(true); set_chip_model(MOS6581); // Low-pass: R = 10kOhm, C = 1000pF; w0l = 1/RC = 1/(1e4*1e-9) = 100000 // High-pass: R = 1kOhm, C = 10uF; w0h = 1/RC = 1/(1e3*1e-5) = 100 // Multiply with 1.048576 to facilitate division by 1 000 000 by right- // shifting 20 times (2 ^ 20 = 1048576). w0lp = 104858; w0hp = 105; }
// ---------------------------------------------------------------------------- // Constructor. // ---------------------------------------------------------------------------- Voice::Voice() { set_chip_model(MOS6581); }
// ---------------------------------------------------------------------------- // Constructor. // ---------------------------------------------------------------------------- VoiceFP::VoiceFP() { set_chip_model(MOS6581FP); }