diff options
Diffstat (limited to 'src/devices/sound/disc_flt.h')
-rw-r--r-- | src/devices/sound/disc_flt.h | 192 |
1 files changed, 96 insertions, 96 deletions
diff --git a/src/devices/sound/disc_flt.h b/src/devices/sound/disc_flt.h index 63ee98b24ea..85cd292e2aa 100644 --- a/src/devices/sound/disc_flt.h +++ b/src/devices/sound/disc_flt.h @@ -25,155 +25,155 @@ struct discrete_filter_coeff { - double x1, x2; /* x[k-1], x[k-2], previous 2 input values */ - double y1, y2; /* y[k-1], y[k-2], previous 2 output values */ - double a1, a2; /* digital filter coefficients, denominator */ - double b0, b1, b2; /* digital filter coefficients, numerator */ + double x1 = 0.0, x2 = 0.0; /* x[k-1], x[k-2], previous 2 input values */ + double y1 = 0.0, y2 = 0.0; /* y[k-1], y[k-2], previous 2 output values */ + double a1 = 0.0, a2 = 0.0; /* digital filter coefficients, denominator */ + double b0 = 0.0, b1 = 0.0, b2 = 0.0; /* digital filter coefficients, numerator */ }; DISCRETE_CLASS_STEP_RESET(dst_filter1, 1, /* uses x1, y1, a1, b0, b1 */ - struct discrete_filter_coeff m_fc; + discrete_filter_coeff m_fc; ); DISCRETE_CLASS_STEP_RESET(dst_filter2, 1, - struct discrete_filter_coeff m_fc; + discrete_filter_coeff m_fc; ); DISCRETE_CLASS_STEP_RESET(dst_sallen_key, 1, - struct discrete_filter_coeff m_fc; + discrete_filter_coeff m_fc; ); DISCRETE_CLASS_STEP_RESET(dst_crfilter, 1, - double m_vCap; - double m_rc; - double m_exponent; - uint8_t m_has_rc_nodes; - //uint8_t m_is_fast; + double m_vCap = 0.0; + double m_rc = 0.0; + double m_exponent = 0.0; + uint8_t m_has_rc_nodes = 0; + //uint8_t m_is_fast = 0; ); DISCRETE_CLASS_STEP_RESET(dst_op_amp_filt, 1, - int m_type; /* What kind of filter */ - int m_is_norton; /* 1 = Norton op-amps */ - double m_vRef; - double m_vP; - double m_vN; - double m_rTotal; /* All input resistance in parallel. */ - double m_iFixed; /* Current supplied by r3 & r4 if used. */ - double m_exponentC1; - double m_exponentC2; - double m_exponentC3; - double m_rRatio; /* divide ratio of resistance network */ - double m_vC1; /* Charge on C1 */ - double m_vC1b; /* Charge on C1, part of C1 charge if needed */ - double m_vC2; /* Charge on C2 */ - double m_vC3; /* Charge on C2 */ - double m_gain; /* Gain of the filter */ - struct discrete_filter_coeff m_fc; + int m_type = 0; /* What kind of filter */ + int m_is_norton = 0; /* 1 = Norton op-amps */ + double m_vRef = 0.0; + double m_vP = 0.0; + double m_vN = 0.0; + double m_rTotal = 0.0; /* All input resistance in parallel. */ + double m_iFixed = 0.0; /* Current supplied by r3 & r4 if used. */ + double m_exponentC1 = 0.0; + double m_exponentC2 = 0.0; + double m_exponentC3 = 0.0; + double m_rRatio = 0.0; /* divide ratio of resistance network */ + double m_vC1 = 0.0; /* Charge on C1 */ + double m_vC1b = 0.0; /* Charge on C1, part of C1 charge if needed */ + double m_vC2 = 0.0; /* Charge on C2 */ + double m_vC3 = 0.0; /* Charge on C2 */ + double m_gain = 0.0; /* Gain of the filter */ + discrete_filter_coeff m_fc; ); DISCRETE_CLASS_STEP_RESET(dst_rc_circuit_1, 1, - double m_v_cap; - double m_v_charge_1_2; - double m_v_drop; - double m_exp_1; - double m_exp_1_2; - double m_exp_2; + double m_v_cap = 0.0; + double m_v_charge_1_2 = 0.0; + double m_v_drop = 0.0; + double m_exp_1 = 0.0; + double m_exp_1_2 = 0.0; + double m_exp_2 = 0.0; ); DISCRETE_CLASS_STEP_RESET(dst_rcdisc, 1, - int m_state; - double m_t; /* time */ - double m_exponent0; + int m_state = 0; + double m_t = 0.0; /* time */ + double m_exponent0 = 0.0; ); DISCRETE_CLASS_STEP_RESET(dst_rcdisc2, 1, - int m_state; - double m_v_out; - double m_t; /* time */ - double m_exponent0; - double m_exponent1; + int m_state = 0; + double m_v_out = 0.0; + double m_t = 0.0; /* time */ + double m_exponent0 = 0.0; + double m_exponent1 = 0.0; ); DISCRETE_CLASS_STEP_RESET(dst_rcdisc3, 1, - int m_state; - double m_v_out; - double m_t; /* time */ - double m_exponent0; - double m_exponent1; - double m_v_diode; /* rcdisc3 */ + int m_state = 0; + double m_v_out = 0.0; + double m_t = 0.0; /* time */ + double m_exponent0 = 0.0; + double m_exponent1 = 0.0; + double m_v_diode = 0.0; /* rcdisc3 */ ); DISCRETE_CLASS_STEP_RESET(dst_rcdisc4, 1, - int m_type; - double m_max_out; - double m_vC1; - double m_v[2]; - double m_exp[2]; + int m_type = 0; + double m_max_out = 0.0; + double m_vC1 = 0.0; + double m_v[2]{ 0.0 }; + double m_exp[2]{ 0.0 }; ); DISCRETE_CLASS_STEP_RESET(dst_rcdisc5, 1, - int m_state; - double m_t; /* time */ - double m_exponent0; - double m_v_cap; /* rcdisc5 */ + int m_state = 0; + double m_t = 0.0; /* time */ + double m_exponent0 = 0.0; + double m_v_cap = 0.0; /* rcdisc5 */ ); DISCRETE_CLASS_STEP_RESET(dst_rcintegrate, 1, - int m_type; - double m_gain_r1_r2; - double m_f; /* r2,r3 gain */ - double m_vCap; - double m_vCE; - double m_exponent0; - double m_exponent1; - double m_exp_exponent0; - double m_exp_exponent1; - double m_c_exp0; - double m_c_exp1; - double m_EM_IC_0_7; + int m_type = 0; + double m_gain_r1_r2 = 0.0; + double m_f = 0.0; /* r2,r3 gain */ + double m_vCap = 0.0; + double m_vCE = 0.0; + double m_exponent0 = 0.0; + double m_exponent1 = 0.0; + double m_exp_exponent0 = 0.0; + double m_exp_exponent1 = 0.0; + double m_c_exp0 = 0.0; + double m_c_exp1 = 0.0; + double m_EM_IC_0_7 = 0.0; ); DISCRETE_CLASS_STEP_RESET(dst_rcdisc_mod, 1, - double m_v_cap; - double m_exp_low[2]; - double m_exp_high[4]; - double m_gain[2]; - double m_vd_gain[4]; + double m_v_cap = 0.0; + double m_exp_low[2]{ 0.0 }; + double m_exp_high[4]{ 0.0 }; + double m_gain[2]{ 0.0 }; + double m_vd_gain[4]{ 0.0 }; ); DISCRETE_CLASS_STEP_RESET(dst_rcfilter, 1, - double m_v_out; - double m_vCap; - double m_rc; - double m_exponent; - uint8_t m_has_rc_nodes; - uint8_t m_is_fast; + double m_v_out = 0.0; + double m_vCap = 0.0; + double m_rc = 0.0; + double m_exponent = 0.0; + uint8_t m_has_rc_nodes = 0; + uint8_t m_is_fast = 0; ); DISCRETE_CLASS_STEP_RESET(dst_rcfilter_sw, 1, - double m_vCap[4]; - double m_exp[4]; - double m_exp0; /* fast case bit 0 */ - double m_exp1; /* fast case bit 1 */ - double m_factor; /* fast case */ - double m_f1[16]; - double m_f2[16]; + double m_vCap[4]{ 0.0 }; + double m_exp[4]{ 0.0 }; + double m_exp0 = 0.0; /* fast case bit 0 */ + double m_exp1 = 0.0; /* fast case bit 1 */ + double m_factor = 0.0; /* fast case */ + double m_f1[16]{ 0.0 }; + double m_f2[16]{ 0.0 }; ); DISCRETE_CLASS_STEP_RESET(dst_rcdiscN, 1, - double m_x1; /* x[k-1], previous input value */ - double m_y1; /* y[k-1], previous output value */ - double m_a1; /* digital filter coefficients, denominator */ - //double m_b[2]; /* digital filter coefficients, numerator */ + double m_x1 = 0.0; /* x[k-1], previous input value */ + double m_y1 = 0.0; /* y[k-1], previous output value */ + double m_a1 = 0.0; /* digital filter coefficients, denominator */ + //double m_b[2]{ 0.0 }; /* digital filter coefficients, numerator */ ); DISCRETE_CLASS_STEP_RESET(dst_rcdisc2N, 1, - struct discrete_filter_coeff m_fc0; - struct discrete_filter_coeff m_fc1; - double m_x1; - double m_y1; + discrete_filter_coeff m_fc0; + discrete_filter_coeff m_fc1; + double m_x1 = 0.0; + double m_y1 = 0.0; ); |