furnace/extern/YMF262-LLE/fmopl3.h
2024-02-02 16:21:22 -05:00

336 lines
6.2 KiB
C

/*
* Copyright (C) 2023 nukeykt
*
* This file is part of YMF262-LLE.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* YMF262 emulator
* Thanks:
* John McMaster (siliconpr0n.org):
* YMF262 decap and die shot
*
*/
#pragma once
#include <stdint.h>
typedef struct
{
int mclk;
int address;
int data_i;
int ic;
int cs;
int rd;
int wr;
} fmopl3_input_t;
typedef struct
{
fmopl3_input_t input;
int mclk1;
int mclk2;
int aclk1;
int aclk2;
int clk1;
int clk2;
int rclk1;
int rclk2;
int o_clk1;
int o_clk2;
int o_rclk1;
int o_rclk2;
int o_wrcheck;
int o_data_latch;
int o_bank_latch;
int o_reset0;
int o_ra_w1_l1;
int prescaler1_reset[2];
int prescaler1_cnt[2];
int prescaler2_reset_l[2];
int prescaler2_cnt[2];
int prescaler2_reset;
int prescaler2_l1[2];
int prescaler2_l2;
int prescaler2_l3[2];
int prescaler2_l4;
int prescaler2_l5[2];
int prescaler2_l6[2];
int prescaler2_l7;
int fsm_cnt1[2];
int fsm_cnt2[2];
int fsm_cnt3[2];
int fsm_cnt;
int fsm_reset_l[2];
int fsm_out[17];
int fsm_l1[2];
int fsm_l2[2];
int fsm_l3[2];
int fsm_l4[2];
int fsm_l5[2];
int fsm_l6[2];
int fsm_l7[2];
int fsm_l8[2];
int fsm_l9[2];
int fsm_l10[2];
int ic_latch[2];
int io_rd;
int io_wr;
int io_cs;
int io_a0;
int io_a1;
int io_read;
int io_write;
int io_write0;
int io_write1;
int io_bank;
int data_latch;
int bank_latch;
int bank_masked;
int reg_sel1;
int reg_sel2;
int reg_sel3;
int reg_sel4;
int reg_sel5;
int reg_sel8;
int reg_selbd;
int reg_test0;
int reg_timer1;
int reg_timer2;
int reg_notesel;
int rhythm;
int reg_rh_kon;
int reg_da;
int reg_dv;
int reg_test1;
int reg_new;
int reg_4op;
int reg_t1_mask;
int reg_t2_mask;
int reg_t1_start;
int reg_t2_start;
int lfo_cnt[2];
int vib_cnt[2];
int t1_step;
int t2_step;
int am_step;
int vib_step;
int rh_sel0;
int rh_sel[2];
int keyon_comb;
int ra_address_latch;
int ra_address_good;
int ra_data_latch;
int ra_cnt1[2];
int ra_cnt2[2];
int ra_cnt3[2];
int ra_cnt4[2];
int ra_cnt;
int ra_rst_l[2];
int ra_w1_l1;
int ra_w1_l2;
int ra_write;
int ra_write_a;
int ra_multi[36];
int ra_ksr[36];
int ra_egt[36];
int ra_am[36];
int ra_vib[36];
int ra_tl[36];
int ra_ksl[36];
int ra_ar[36];
int ra_dr[36];
int ra_sl[36];
int ra_rr[36];
int ra_wf[36];
int ra_fnum[18];
int ra_block[18];
int ra_keyon[18];
int ra_connect[18];
int ra_fb[18];
int ra_pan[18];
int ra_connect_pair[18];
int multi[2];
int ksr[2];
int egt[2];
int am[2];
int vib[2];
int tl[2];
int ksl[2];
int ar[2];
int dr[2];
int sl[2];
int rr[2];
int wf[2];
int fnum[2];
int block[2];
int keyon[2];
int connect[2];
int fb[2];
int pan[2];
int connect_pair[2];
int64_t ra_dbg1[2];
int ra_dbg2[2];
int ra_dbg_load[2];
int fb_l[2][2];
int pan_l[2][2];
int write0_sr;
int write0_l[4];
int write0;
int write1_sr;
int write1_l[4];
int write1;
int connect_l[2];
int connect_pair_l[2];
int t1_cnt[2];
int t2_cnt[2];
int t1_of[2];
int t2_of[2];
int t1_status;
int t2_status;
int timer_st_load_l;
int timer_st_load;
int t1_start;
int t2_start;
int t1_start_l[2];
int t2_start_l[2];
int reset0;
int reset1;
int pg_phase_o[4];
int pg_dbg[2];
int pg_dbg_load_l[2];
int noise_lfsr[2];
int pg_index[2];
int pg_cells[36];
int pg_out_rhy;
int trem_load_l;
int trem_load;
int trem_st_load_l;
int trem_st_load;
int trem_carry[2];
int trem_value[2];
int trem_dir[2];
int trem_step;
int trem_out;
int trem_of[2];
int eg_load_l1[2];
int eg_load_l;
int eg_load;
int64_t eg_timer_masked[2];
int eg_carry[2];
int eg_mask[2];
int eg_subcnt[2];
int eg_subcnt_l[2];
int eg_sync_l[2];
int eg_timer_low;
int eg_shift;
int eg_timer_dbg[2];
int eg_timer_i;
int eg_timer_o[4];
int eg_state_o[4];
int eg_level_o[4];
int eg_index[2];
int eg_cells[36];
int eg_out[2];
int eg_dbg[2];
int eg_dbg_load_l[2];
int hh_load;
int tc_load;
int hh_bit2;
int hh_bit3;
int hh_bit7;
int hh_bit8;
int tc_bit3;
int tc_bit5;
int op_logsin[2];
int op_saw[2];
int op_saw_phase[2];
int op_shift[2];
int op_pow[2];
int op_mute[2];
int op_sign[2];
int op_fb[4][13][2];
int op_mod[2];
int op_value;
int op_value_debug;
int accm_a[2];
int accm_b[2];
int accm_c[2];
int accm_d[2];
int accm_shift_a[2];
int accm_shift_b[2];
int accm_shift_c[2];
int accm_shift_d[2];
int accm_load_ac_l;
int accm_load_ac;
int accm_load_bd_l;
int accm_load_bd;
int accm_a_of;
int accm_a_sign;
int accm_b_of;
int accm_b_sign;
int accm_c_of;
int accm_c_sign;
int accm_d_of;
int accm_d_sign;
int o_doab;
int o_docd;
int o_sy;
int o_smpac;
int o_smpbd;
int o_irq_pull;
int o_test;
int data_o;
int data_z;
} fmopl3_t;
// modification
void FMOPL3_Clock(fmopl3_t *chip);