mirror of
https://github.com/holub/mame
synced 2025-05-30 17:41:47 +03:00
ef874a6f74
Rewrote modules using "output[0]" as a latch as well. The purpose is to decouple nodes from the discrete infrastructure implementation. [Couriersud]
239 lines
6.3 KiB
C++
239 lines
6.3 KiB
C++
#pragma once
|
|
|
|
#ifndef __DISC_MTH_H__
|
|
#define __DISC_MTH_H__
|
|
|
|
/***********************************************************************
|
|
*
|
|
* MAME - Discrete sound system emulation library
|
|
*
|
|
* Written by Keith Wilkins (mame@esplexo.co.uk)
|
|
*
|
|
* (c) K.Wilkins 2000
|
|
*
|
|
* Coding started in November 2000
|
|
*
|
|
* Additions/bugfix February 2003 - D.Renaud, F.Palazzolo, K.Wilkins
|
|
* Discrete parallel tasks 2009 - Couriersud
|
|
* Discrete classes 2010 - Couriersud
|
|
*
|
|
***********************************************************************/
|
|
|
|
#include "discrete.h"
|
|
|
|
DISCRETE_CLASS_STEP(dst_adder, 1, /* no context */ );
|
|
|
|
DISCRETE_CLASS_STEP(dst_clamp, 1, /* no context */ );
|
|
|
|
DISCRETE_CLASS_STEP(dst_divide, 1, /* no context */ );
|
|
|
|
DISCRETE_CLASS_STEP(dst_gain, 1, /* no context */ );
|
|
|
|
DISCRETE_CLASS_STEP(dst_logic_inv, 1, /* no context */ );
|
|
|
|
DISCRETE_CLASS_STEP_RESET(dst_bits_decode, 8,
|
|
int m_count;
|
|
int m_decode_x_time;
|
|
int m_from;
|
|
int m_last_val;
|
|
int m_last_had_x_time;
|
|
);
|
|
|
|
DISCRETE_CLASS_STEP(dst_logic_and, 1, /* no context */ );
|
|
|
|
DISCRETE_CLASS_STEP(dst_logic_nand, 1, /* no context */ );
|
|
|
|
DISCRETE_CLASS_STEP(dst_logic_or, 1, /* no context */ );
|
|
|
|
DISCRETE_CLASS_STEP(dst_logic_nor, 1, /* no context */ );
|
|
|
|
DISCRETE_CLASS_STEP(dst_logic_xor, 1, /* no context */ );
|
|
|
|
DISCRETE_CLASS_STEP(dst_logic_nxor, 1, /* no context */ );
|
|
|
|
DISCRETE_CLASS_STEP_RESET(dst_logic_dff, 1,
|
|
int m_last_clk;
|
|
);
|
|
|
|
DISCRETE_CLASS_STEP_RESET(dst_logic_jkff, 1,
|
|
double m_v_out;
|
|
int m_last_clk;
|
|
);
|
|
|
|
DISCRETE_CLASS_STEP_RESET(dst_logic_shift, 1,
|
|
double m_t_left; /* time unused during last sample in seconds */
|
|
UINT32 m_shift_data;
|
|
UINT32 m_bit_mask;
|
|
UINT8 m_clock_type;
|
|
UINT8 m_reset_on_high;
|
|
UINT8 m_shift_r;
|
|
UINT8 m_last;
|
|
);
|
|
|
|
DISCRETE_CLASS_STEP(dst_lookup_table, 1, /* no context */ );
|
|
|
|
DISCRETE_CLASS_STEP_RESET(dst_multiplex, 1,
|
|
int m_size;
|
|
);
|
|
|
|
DISCRETE_CLASS_STEP_RESET(dst_oneshot, 1,
|
|
double m_countdown;
|
|
int m_state;
|
|
int m_last_trig;
|
|
int m_type;
|
|
);
|
|
|
|
DISCRETE_CLASS_STEP_RESET(dst_ramp, 1,
|
|
double m_v_out;
|
|
double m_step;
|
|
int m_dir; /* 1 if End is higher then Start */
|
|
int m_last_en; /* Keep track of the last enable value */
|
|
);
|
|
|
|
DISCRETE_CLASS_STEP_RESET(dst_samphold, 1,
|
|
double m_last_input;
|
|
int m_clocktype;
|
|
);
|
|
|
|
DISCRETE_CLASS_STEP(dst_switch, 1, /* no context */ );
|
|
|
|
DISCRETE_CLASS_STEP(dst_aswitch, 1, /* no context */ );
|
|
|
|
DISCRETE_CLASS_STEP(, 1, /* no context */ );
|
|
class DISCRETE_CLASS_NAME(dst_transform): public discrete_base_node, public discrete_step_interface
|
|
{
|
|
DISCRETE_CLASS_CONSTRUCTOR(dst_transform, base)
|
|
DISCRETE_CLASS_DESTRUCTOR(dst_transform)
|
|
public:
|
|
enum token {
|
|
TOK_END = 0,
|
|
TOK_MULT,
|
|
TOK_DIV,
|
|
TOK_ADD,
|
|
TOK_MINUS,
|
|
TOK_0,
|
|
TOK_1,
|
|
TOK_2,
|
|
TOK_3,
|
|
TOK_4,
|
|
TOK_DUP,
|
|
TOK_ABS, /* absolute value */
|
|
TOK_NEG, /* * -1 */
|
|
TOK_NOT, /* Logical NOT of Last Value */
|
|
TOK_EQUAL, /* Logical = */
|
|
TOK_GREATER, /* Logical > */
|
|
TOK_LESS, /* Logical < */
|
|
TOK_AND, /* Bitwise AND */
|
|
TOK_OR, /* Bitwise OR */
|
|
TOK_XOR /* Bitwise XOR */
|
|
};
|
|
void step(void);
|
|
void reset(void);
|
|
protected:
|
|
private:
|
|
DISCRETE_CLASS_INPUT(I_IN0, 0);
|
|
DISCRETE_CLASS_INPUT(I_IN1, 1);
|
|
DISCRETE_CLASS_INPUT(I_IN2, 2);
|
|
DISCRETE_CLASS_INPUT(I_IN3, 3);
|
|
DISCRETE_CLASS_INPUT(I_IN4, 4);
|
|
enum token precomp[32];
|
|
};
|
|
|
|
/* Component specific */
|
|
|
|
DISCRETE_CLASS_STEP_RESET(dst_comp_adder, 1,
|
|
double m_total[256];
|
|
);
|
|
|
|
DISCRETE_CLASS_STEP_RESET(dst_dac_r1, 1,
|
|
double m_v_out;
|
|
double m_exponent;
|
|
double m_last_v;
|
|
double m_v_step[256];
|
|
int m_has_c_filter;
|
|
);
|
|
|
|
DISCRETE_CLASS_STEP_RESET(dst_diode_mix, 1,
|
|
int m_size;
|
|
double m_v_junction[8];
|
|
);
|
|
|
|
DISCRETE_CLASS_STEP_RESET(dst_integrate, 1,
|
|
double m_v_out;
|
|
double m_change;
|
|
double m_v_max_in; /* v1 - norton VBE */
|
|
double m_v_max_in_d; /* v1 - norton VBE - diode drop */
|
|
double m_v_max_out;
|
|
);
|
|
|
|
#define DISC_MIXER_MAX_INPS 8
|
|
DISCRETE_CLASS_STEP_RESET(dst_mixer, 1,
|
|
int m_type;
|
|
int m_size;
|
|
int m_r_node_bit_flag;
|
|
int m_c_bit_flag;
|
|
double m_r_total;
|
|
const double * m_r_node[DISC_MIXER_MAX_INPS]; /* Either pointer to resistance node output OR NULL */
|
|
double m_r_last[DISC_MIXER_MAX_INPS];
|
|
double m_exponent_rc[DISC_MIXER_MAX_INPS]; /* For high pass filtering cause by cIn */
|
|
double m_v_cap[DISC_MIXER_MAX_INPS]; /* cap voltage of each input */
|
|
double m_exponent_c_f; /* Low pass on mixed inputs */
|
|
double m_exponent_c_amp; /* Final high pass caused by out cap and amp input impedance */
|
|
double m_v_cap_f; /* cap voltage of cF */
|
|
double m_v_cap_amp; /* cap voltage of cAmp */
|
|
double m_gain; /* used for DISC_MIXER_IS_OP_AMP_WITH_RI */
|
|
);
|
|
|
|
DISCRETE_CLASS_STEP_RESET(dst_op_amp, 1,
|
|
UINT8 m_has_cap;
|
|
UINT8 m_has_r1;
|
|
UINT8 m_has_r4;
|
|
double m_v_max;
|
|
double m_i_fixed;
|
|
double m_v_cap;
|
|
double m_exponent;
|
|
);
|
|
|
|
DISCRETE_CLASS_STEP_RESET(dst_op_amp_1sht, 1,
|
|
double m_v_out;
|
|
double m_i_fixed;
|
|
double m_v_max;
|
|
double m_r34ratio;
|
|
double m_v_cap1;
|
|
double m_v_cap2;
|
|
double m_exponent1c;
|
|
double m_exponent1d;
|
|
double m_exponent2;
|
|
);
|
|
|
|
DISCRETE_CLASS_STEP_RESET(dst_tvca_op_amp, 1,
|
|
double m_v_out_max; /* Maximum output voltage */
|
|
double m_v_trig[2]; /* Voltage used to charge cap1 based on function F3 */
|
|
double m_v_trig2; /* Voltage used to charge cap2 */
|
|
double m_v_trig3; /* Voltage used to charge cap3 */
|
|
double m_i_fixed; /* Fixed current going into - input */
|
|
double m_exponent_c[2]; /* Charge exponents based on function F3 */
|
|
double m_exponent_d[2]; /* Discharge exponents based on function F3 */
|
|
double m_exponent2[2]; /* Discharge/charge exponents based on function F4 */
|
|
double m_exponent3[2]; /* Discharge/charge exponents based on function F5 */
|
|
double m_exponent4; /* Discharge/charge exponents for c4 */
|
|
double m_v_cap1; /* charge on cap c1 */
|
|
double m_v_cap2; /* charge on cap c2 */
|
|
double m_v_cap3; /* charge on cap c3 */
|
|
double m_v_cap4; /* charge on cap c4 */
|
|
double m_r67; /* = r6 + r7 (for easy use later) */
|
|
UINT8 m_has_c4;
|
|
UINT8 m_has_r4;
|
|
);
|
|
|
|
DISCRETE_CLASS_STEP(dst_xtime_buffer, 1, /* no context */ );
|
|
|
|
DISCRETE_CLASS_STEP(dst_xtime_and, 1, /* no context */ );
|
|
|
|
DISCRETE_CLASS_STEP(dst_xtime_or, 1, /* no context */ );
|
|
|
|
DISCRETE_CLASS_STEP(dst_xtime_xor, 1, /* no context */ );
|
|
|
|
|
|
#endif /* __DISC_WAV_H__ */
|