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