mirror of
https://github.com/tildearrow/furnace.git
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1296 lines
37 KiB
C++
1296 lines
37 KiB
C++
/**
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* Furnace Tracker - multi-system chiptune tracker
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* Copyright (C) 2021-2022 tildearrow and contributors
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (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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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "ym2610.h"
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#include "../engine.h"
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#include <string.h>
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#include <math.h>
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#include "ym2610shared.h"
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#include "fmshared_OPN.h"
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static unsigned char konOffs[4]={
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1, 2, 5, 6
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};
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#define CHIP_DIVIDER 32
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const char* regCheatSheetYM2610[]={
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// SSG
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"SSG_FreqL_A", "000",
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"SSG_FreqH_A", "001",
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"SSG_FreqL_B", "002",
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"SSG_FreqH_B", "003",
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"SSG_FreqL_C", "004",
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"SSG_FreqH_C", "005",
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"SSG_FreqNoise", "006",
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"SSG_Enable", "007",
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"SSG_Volume_A", "008",
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"SSG_Volume_B", "009",
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"SSG_Volume_C", "00A",
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"SSG_FreqL_Env", "00B",
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"SSG_FreqH_Env", "00C",
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"SSG_Control_Env", "00D",
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// ADPCM-B
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"ADPCMB_Control", "010",
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"ADPCMB_L_R", "011",
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"ADPCMB_StartL", "012",
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"ADPCMB_StartH", "013",
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"ADPCMB_EndL", "014",
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"ADPCMB_EndH", "015",
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"ADPCMB_FreqL", "019",
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"ADPCMB_FreqH", "01A",
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"ADPCMB_Volume", "01B",
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"ADPCM_Flag", "01C",
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// FM (Common)
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"FM_Test", "021",
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"FM_LFOFreq", "022",
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"ClockA1", "024",
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"ClockA2", "025",
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"ClockB", "026",
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"FM_Control", "027",
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"FM_NoteCtl", "028",
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// FM (Channel 1-2)
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"FM1_Op1_DT_MULT", "031",
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"FM2_Op1_DT_MULT", "032",
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"FM1_Op2_DT_MULT", "035",
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"FM2_Op2_DT_MULT", "036",
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"FM1_Op3_DT_MULT", "039",
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"FM2_Op3_DT_MULT", "03A",
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"FM1_Op4_DT_MULT", "03D",
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"FM2_Op4_DT_MULT", "03E",
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"FM1_Op1_TL", "041",
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"FM2_Op1_TL", "042",
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"FM1_Op2_TL", "045",
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"FM2_Op2_TL", "046",
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"FM1_Op3_TL", "049",
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"FM2_Op3_TL", "04A",
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"FM1_Op4_TL", "04D",
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"FM2_Op4_TL", "04E",
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"FM1_Op1_KS_AR", "051",
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"FM2_Op1_KS_AR", "052",
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"FM1_Op2_KS_AR", "055",
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"FM2_Op2_KS_AR", "056",
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"FM1_Op3_KS_AR", "059",
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"FM2_Op3_KS_AR", "05A",
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"FM1_Op4_KS_AR", "05D",
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"FM2_Op4_KS_AR", "05E",
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"FM1_Op1_AM_DR", "061",
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"FM2_Op1_AM_DR", "062",
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"FM1_Op2_AM_DR", "065",
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"FM2_Op2_AM_DR", "066",
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"FM1_Op3_AM_DR", "069",
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"FM2_Op3_AM_DR", "06A",
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"FM1_Op4_AM_DR", "06D",
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"FM2_Op4_AM_DR", "06E",
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"FM1_Op1_SR", "071",
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"FM2_Op1_SR", "072",
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"FM1_Op2_SR", "075",
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"FM2_Op2_SR", "076",
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"FM1_Op3_SR", "079",
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"FM2_Op3_SR", "07A",
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"FM1_Op4_SR", "07D",
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"FM2_Op4_SR", "07E",
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"FM1_Op1_SL_RR", "081",
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"FM2_Op1_SL_RR", "082",
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"FM1_Op2_SL_RR", "085",
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"FM2_Op2_SL_RR", "086",
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"FM1_Op3_SL_RR", "089",
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"FM2_Op3_SL_RR", "08A",
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"FM1_Op4_SL_RR", "08D",
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"FM2_Op4_SL_RR", "08E",
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"FM1_Op1_SSG_EG", "091",
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"FM2_Op1_SSG_EG", "092",
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"FM1_Op2_SSG_EG", "095",
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"FM2_Op2_SSG_EG", "096",
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"FM1_Op3_SSG_EG", "099",
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"FM2_Op3_SSG_EG", "09A",
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"FM1_Op4_SSG_EG", "09D",
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"FM2_Op4_SSG_EG", "09E",
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"FM1_FNum1", "0A1",
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"FM2_(Op1)FNum1", "0A2",
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"FM1_FNum2", "0A5",
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"FM2_(Op1)FNum2", "0A6",
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"FM2_Op2_FNum1", "0A8",
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"FM2_Op3_FNum1", "0A9",
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"FM2_Op4_FNum1", "0AA",
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"FM2_Op2_FNum2", "0AC",
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"FM2_Op3_FNum2", "0AD",
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"FM2_Op4_FNum2", "0AE",
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"FM1_FB_ALG", "0B1",
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"FM2_FB_ALG", "0B2",
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"FM1_Pan_LFO", "0B5",
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"FM2_Pan_LFO", "0B6",
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// ADPCM-A
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"ADPCMA_Control", "100",
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"ADPCMA_MVol", "101",
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"ADPCMA_Test", "102",
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"ADPCMA_Ch1_Vol", "108",
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"ADPCMA_Ch2_Vol", "109",
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"ADPCMA_Ch3_Vol", "10A",
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"ADPCMA_Ch4_Vol", "10B",
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"ADPCMA_Ch5_Vol", "10C",
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"ADPCMA_Ch6_Vol", "10D",
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"ADPCMA_Ch1_StL", "110",
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"ADPCMA_Ch2_StL", "111",
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"ADPCMA_Ch3_StL", "112",
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"ADPCMA_Ch4_StL", "113",
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"ADPCMA_Ch5_StL", "114",
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"ADPCMA_Ch6_StL", "115",
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"ADPCMA_Ch1_StH", "118",
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"ADPCMA_Ch2_StH", "119",
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"ADPCMA_Ch3_StH", "11A",
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"ADPCMA_Ch4_StH", "11B",
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"ADPCMA_Ch5_StH", "11C",
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"ADPCMA_Ch6_StH", "11D",
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"ADPCMA_Ch1_EdL", "120",
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"ADPCMA_Ch2_EdL", "121",
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"ADPCMA_Ch3_EdL", "122",
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"ADPCMA_Ch4_EdL", "123",
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"ADPCMA_Ch5_EdL", "124",
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"ADPCMA_Ch6_EdL", "125",
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"ADPCMA_Ch1_EdH", "128",
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"ADPCMA_Ch2_EdH", "129",
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"ADPCMA_Ch3_EdH", "12A",
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"ADPCMA_Ch4_EdH", "12B",
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"ADPCMA_Ch5_EdH", "12C",
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"ADPCMA_Ch6_EdH", "12D",
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// FM (Channel 3-4)
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"FM3_Op1_DT_MULT", "131",
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"FM4_Op1_DT_MULT", "132",
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"FM3_Op2_DT_MULT", "135",
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"FM4_Op2_DT_MULT", "136",
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"FM3_Op3_DT_MULT", "139",
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"FM4_Op3_DT_MULT", "13A",
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"FM3_Op4_DT_MULT", "13D",
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"FM4_Op4_DT_MULT", "13E",
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"FM3_Op1_TL", "141",
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"FM4_Op1_TL", "142",
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"FM3_Op2_TL", "145",
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"FM4_Op2_TL", "146",
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"FM3_Op3_TL", "149",
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"FM4_Op3_TL", "14A",
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"FM3_Op4_TL", "14D",
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"FM4_Op4_TL", "14E",
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"FM3_Op1_KS_AR", "151",
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"FM4_Op1_KS_AR", "152",
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"FM3_Op2_KS_AR", "155",
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"FM4_Op2_KS_AR", "156",
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"FM3_Op3_KS_AR", "159",
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"FM4_Op3_KS_AR", "15A",
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"FM3_Op4_KS_AR", "15D",
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"FM4_Op4_KS_AR", "15E",
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"FM3_Op1_AM_DR", "161",
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"FM4_Op1_AM_DR", "162",
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"FM3_Op2_AM_DR", "165",
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"FM4_Op2_AM_DR", "166",
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"FM3_Op3_AM_DR", "169",
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"FM4_Op3_AM_DR", "16A",
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"FM3_Op4_AM_DR", "16D",
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"FM4_Op4_AM_DR", "16E",
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"FM3_Op1_SR", "171",
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"FM4_Op1_SR", "172",
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"FM3_Op2_SR", "175",
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"FM4_Op2_SR", "176",
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"FM3_Op3_SR", "179",
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"FM4_Op3_SR", "17A",
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"FM3_Op4_SR", "17D",
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"FM4_Op4_SR", "17E",
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"FM3_Op1_SL_RR", "181",
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"FM4_Op1_SL_RR", "182",
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"FM3_Op2_SL_RR", "185",
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"FM4_Op2_SL_RR", "186",
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"FM3_Op3_SL_RR", "189",
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"FM4_Op3_SL_RR", "18A",
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"FM3_Op4_SL_RR", "18D",
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"FM4_Op4_SL_RR", "18E",
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"FM3_Op1_SSG_EG", "191",
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"FM4_Op1_SSG_EG", "192",
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"FM3_Op2_SSG_EG", "195",
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"FM4_Op2_SSG_EG", "196",
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"FM3_Op3_SSG_EG", "199",
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"FM4_Op3_SSG_EG", "19A",
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"FM3_Op4_SSG_EG", "19D",
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"FM4_Op4_SSG_EG", "19E",
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"FM3_FNum1", "1A1",
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"FM4_FNum1", "1A2",
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"FM3_FNum2", "1A5",
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"FM4_FNum2", "1A6",
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"FM3_FB_ALG", "1B1",
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"FM4_FB_ALG", "1B2",
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"FM3_Pan_LFO", "1B5",
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"FM4_Pan_LFO", "1B6",
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NULL
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};
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const char** DivPlatformYM2610::getRegisterSheet() {
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return regCheatSheetYM2610;
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}
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const char* DivPlatformYM2610::getEffectName(unsigned char effect) {
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switch (effect) {
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case 0x10:
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return "10xy: Setup LFO (x: enable; y: speed)";
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break;
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case 0x11:
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return "11xx: Set feedback (0 to 7)";
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break;
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case 0x12:
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return "12xx: Set level of operator 1 (0 highest, 7F lowest)";
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break;
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case 0x13:
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return "13xx: Set level of operator 2 (0 highest, 7F lowest)";
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break;
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case 0x14:
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return "14xx: Set level of operator 3 (0 highest, 7F lowest)";
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break;
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case 0x15:
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return "15xx: Set level of operator 4 (0 highest, 7F lowest)";
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break;
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case 0x16:
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return "16xy: Set operator multiplier (x: operator from 1 to 4; y: multiplier)";
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break;
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case 0x18:
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return "18xx: Toggle extended channel 3 mode";
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break;
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case 0x19:
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return "19xx: Set attack of all operators (0 to 1F)";
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break;
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case 0x1a:
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return "1Axx: Set attack of operator 1 (0 to 1F)";
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break;
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case 0x1b:
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return "1Bxx: Set attack of operator 2 (0 to 1F)";
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break;
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case 0x1c:
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return "1Cxx: Set attack of operator 3 (0 to 1F)";
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break;
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case 0x1d:
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return "1Dxx: Set attack of operator 4 (0 to 1F)";
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break;
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case 0x20:
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return "20xx: Set SSG channel mode (bit 0: square; bit 1: noise; bit 2: envelope)";
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break;
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case 0x21:
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return "21xx: Set SSG noise frequency (0 to 1F)";
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break;
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case 0x22:
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return "22xy: Set SSG envelope mode (x: shape, y: enable for this channel)";
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break;
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case 0x23:
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return "23xx: Set SSG envelope period low byte";
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break;
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case 0x24:
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return "24xx: Set SSG envelope period high byte";
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break;
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case 0x25:
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return "25xx: SSG envelope slide up";
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break;
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case 0x26:
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return "26xx: SSG envelope slide down";
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break;
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case 0x29:
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return "29xy: Set SSG auto-envelope (x: numerator; y: denominator)";
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break;
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}
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return NULL;
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}
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double DivPlatformYM2610::NOTE_OPNB(int ch, int note) {
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if (ch>6) { // ADPCM
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return NOTE_ADPCMB(note);
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} else if (ch>3) { // PSG
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return NOTE_PERIODIC(note);
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}
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// FM
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return NOTE_FREQUENCY(note);
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}
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double DivPlatformYM2610::NOTE_ADPCMB(int note) {
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if (chan[13].sample>=0&&chan[13].sample<parent->song.sampleLen) {
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double off=(double)(parent->getSample(chan[13].sample)->centerRate)/8363.0;
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return off*parent->calcBaseFreq((double)chipClock/144,65535,note,false);
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}
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return 0;
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}
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void DivPlatformYM2610::acquire(short* bufL, short* bufR, size_t start, size_t len) {
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static int os[2];
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for (size_t h=start; h<start+len; h++) {
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os[0]=0; os[1]=0;
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if (!writes.empty()) {
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if (--delay<1) {
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QueuedWrite& w=writes.front();
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fm->write(0x0+((w.addr>>8)<<1),w.addr);
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fm->write(0x1+((w.addr>>8)<<1),w.val);
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regPool[w.addr&0x1ff]=w.val;
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writes.pop();
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delay=4;
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}
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}
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fm->generate(&fmout);
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os[0]=fmout.data[0]+(fmout.data[2]>>1);
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if (os[0]<-32768) os[0]=-32768;
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if (os[0]>32767) os[0]=32767;
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os[1]=fmout.data[1]+(fmout.data[2]>>1);
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if (os[1]<-32768) os[1]=-32768;
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if (os[1]>32767) os[1]=32767;
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bufL[h]=os[0];
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bufR[h]=os[1];
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}
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}
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void DivPlatformYM2610::tick() {
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// PSG
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for (int i=4; i<7; i++) {
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chan[i].std.next();
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if (chan[i].std.hadVol) {
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chan[i].outVol=MIN(15,chan[i].std.vol)-(15-(chan[i].vol&15));
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if (chan[i].outVol<0) chan[i].outVol=0;
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if (isMuted[i]) {
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rWrite(0x04+i,0);
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} else {
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rWrite(0x04+i,(chan[i].outVol&15)|((chan[i].psgMode&4)<<2));
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}
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}
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if (chan[i].std.hadArp) {
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if (!chan[i].inPorta) {
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if (chan[i].std.arpMode) {
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chan[i].baseFreq=NOTE_PERIODIC(chan[i].std.arp);
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} else {
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chan[i].baseFreq=NOTE_PERIODIC(chan[i].note+chan[i].std.arp);
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}
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}
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chan[i].freqChanged=true;
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} else {
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if (chan[i].std.arpMode && chan[i].std.finishedArp) {
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chan[i].baseFreq=NOTE_PERIODIC(chan[i].note);
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chan[i].freqChanged=true;
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}
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}
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if (chan[i].std.hadDuty) {
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ayNoiseFreq=31-chan[i].std.duty;
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rWrite(0x06,ayNoiseFreq);
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}
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if (chan[i].std.hadWave) {
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chan[i].psgMode=(chan[i].std.wave+1)&7;
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if (isMuted[i]) {
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rWrite(0x04+i,0);
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} else {
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rWrite(0x04+i,(chan[i].outVol&15)|((chan[i].psgMode&4)<<2));
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}
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}
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if (chan[i].std.hadEx2) {
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ayEnvMode=chan[i].std.ex2;
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rWrite(0x0d,ayEnvMode);
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}
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if (chan[i].std.hadEx3) {
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chan[i].autoEnvNum=chan[i].std.ex3;
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chan[i].freqChanged=true;
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if (!chan[i].std.willAlg) chan[i].autoEnvDen=1;
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}
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if (chan[i].std.hadAlg) {
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chan[i].autoEnvDen=chan[i].std.alg;
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chan[i].freqChanged=true;
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if (!chan[i].std.willEx3) chan[i].autoEnvNum=1;
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}
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if (chan[i].freqChanged || chan[i].keyOn || chan[i].keyOff) {
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chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,true);
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if (chan[i].freq>4095) chan[i].freq=4095;
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if (chan[i].keyOn) {
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}
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if (chan[i].keyOff) {
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rWrite(0x04+i,0);
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}
|
|
rWrite((i-4)<<1,chan[i].freq&0xff);
|
|
rWrite(1+((i-4)<<1),chan[i].freq>>8);
|
|
if (chan[i].keyOn) chan[i].keyOn=false;
|
|
if (chan[i].keyOff) chan[i].keyOff=false;
|
|
if (chan[i].freqChanged && chan[i].autoEnvNum>0 && chan[i].autoEnvDen>0) {
|
|
ayEnvPeriod=(chan[i].freq*chan[i].autoEnvDen/chan[i].autoEnvNum)>>4;
|
|
immWrite(0x0b,ayEnvPeriod);
|
|
immWrite(0x0c,ayEnvPeriod>>8);
|
|
}
|
|
chan[i].freqChanged=false;
|
|
}
|
|
}
|
|
|
|
rWrite(0x07,
|
|
~((chan[4].psgMode&1)|
|
|
((chan[5].psgMode&1)<<1)|
|
|
((chan[6].psgMode&1)<<2)|
|
|
((chan[4].psgMode&2)<<2)|
|
|
((chan[5].psgMode&2)<<3)|
|
|
((chan[6].psgMode&2)<<4)));
|
|
|
|
if (ayEnvSlide!=0) {
|
|
ayEnvSlideLow+=ayEnvSlide;
|
|
while (ayEnvSlideLow>7) {
|
|
ayEnvSlideLow-=8;
|
|
if (ayEnvPeriod<0xffff) {
|
|
ayEnvPeriod++;
|
|
immWrite(0x0b,ayEnvPeriod);
|
|
immWrite(0x0c,ayEnvPeriod>>8);
|
|
}
|
|
}
|
|
while (ayEnvSlideLow<-7) {
|
|
ayEnvSlideLow+=8;
|
|
if (ayEnvPeriod>0) {
|
|
ayEnvPeriod--;
|
|
immWrite(0x0b,ayEnvPeriod);
|
|
immWrite(0x0c,ayEnvPeriod>>8);
|
|
}
|
|
}
|
|
}
|
|
|
|
// FM
|
|
for (int i=0; i<4; i++) {
|
|
if (i==1 && extMode) continue;
|
|
chan[i].std.next();
|
|
|
|
if (chan[i].std.hadVol) {
|
|
chan[i].outVol=(chan[i].vol*MIN(127,chan[i].std.vol))/127;
|
|
for (int j=0; j<4; j++) {
|
|
unsigned short baseAddr=chanOffs[i]|opOffs[j];
|
|
DivInstrumentFM::Operator& op=chan[i].state.op[j];
|
|
if (isOutput[chan[i].state.alg][j]) {
|
|
rWrite(baseAddr+ADDR_TL,127-(((127-op.tl)*(chan[i].outVol&0x7f))/127));
|
|
} else {
|
|
rWrite(baseAddr+ADDR_TL,op.tl);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (chan[i].std.hadArp) {
|
|
if (!chan[i].inPorta) {
|
|
if (chan[i].std.arpMode) {
|
|
chan[i].baseFreq=NOTE_FREQUENCY(chan[i].std.arp);
|
|
} else {
|
|
chan[i].baseFreq=NOTE_FREQUENCY(chan[i].note+(signed char)chan[i].std.arp);
|
|
}
|
|
}
|
|
chan[i].freqChanged=true;
|
|
} else {
|
|
if (chan[i].std.arpMode && chan[i].std.finishedArp) {
|
|
chan[i].baseFreq=NOTE_FREQUENCY(chan[i].note);
|
|
chan[i].freqChanged=true;
|
|
}
|
|
}
|
|
|
|
if (chan[i].std.hadAlg) {
|
|
chan[i].state.alg=chan[i].std.alg;
|
|
rWrite(chanOffs[i]+ADDR_FB_ALG,(chan[i].state.alg&7)|(chan[i].state.fb<<3));
|
|
if (!parent->song.algMacroBehavior) for (int j=0; j<4; j++) {
|
|
unsigned short baseAddr=chanOffs[i]|opOffs[j];
|
|
DivInstrumentFM::Operator& op=chan[i].state.op[j];
|
|
if (isMuted[i]) {
|
|
rWrite(baseAddr+ADDR_TL,127);
|
|
} else {
|
|
if (isOutput[chan[i].state.alg][j]) {
|
|
rWrite(baseAddr+ADDR_TL,127-(((127-op.tl)*(chan[i].outVol&0x7f))/127));
|
|
} else {
|
|
rWrite(baseAddr+ADDR_TL,op.tl);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (chan[i].std.hadFb) {
|
|
chan[i].state.fb=chan[i].std.fb;
|
|
rWrite(chanOffs[i]+ADDR_FB_ALG,(chan[i].state.alg&7)|(chan[i].state.fb<<3));
|
|
}
|
|
if (chan[i].std.hadFms) {
|
|
chan[i].state.fms=chan[i].std.fms;
|
|
rWrite(chanOffs[i]+ADDR_LRAF,(isMuted[i]?0:(chan[i].pan<<6))|(chan[i].state.fms&7)|((chan[i].state.ams&3)<<4));
|
|
}
|
|
if (chan[i].std.hadAms) {
|
|
chan[i].state.ams=chan[i].std.ams;
|
|
rWrite(chanOffs[i]+ADDR_LRAF,(isMuted[i]?0:(chan[i].pan<<6))|(chan[i].state.fms&7)|((chan[i].state.ams&3)<<4));
|
|
}
|
|
for (int j=0; j<4; j++) {
|
|
unsigned short baseAddr=chanOffs[i]|opOffs[j];
|
|
DivInstrumentFM::Operator& op=chan[i].state.op[j];
|
|
DivMacroInt::IntOp& m=chan[i].std.op[j];
|
|
if (m.hadAm) {
|
|
op.am=m.am;
|
|
rWrite(baseAddr+ADDR_AM_DR,(op.dr&31)|(op.am<<7));
|
|
}
|
|
if (m.hadAr) {
|
|
op.ar=m.ar;
|
|
rWrite(baseAddr+ADDR_RS_AR,(op.ar&31)|(op.rs<<6));
|
|
}
|
|
if (m.hadDr) {
|
|
op.dr=m.dr;
|
|
rWrite(baseAddr+ADDR_AM_DR,(op.dr&31)|(op.am<<7));
|
|
}
|
|
if (m.hadMult) {
|
|
op.mult=m.mult;
|
|
rWrite(baseAddr+ADDR_MULT_DT,(op.mult&15)|(dtTable[op.dt&7]<<4));
|
|
}
|
|
if (m.hadRr) {
|
|
op.rr=m.rr;
|
|
rWrite(baseAddr+ADDR_SL_RR,(op.rr&15)|(op.sl<<4));
|
|
}
|
|
if (m.hadSl) {
|
|
op.sl=m.sl;
|
|
rWrite(baseAddr+ADDR_SL_RR,(op.rr&15)|(op.sl<<4));
|
|
}
|
|
if (m.hadTl) {
|
|
op.tl=127-m.tl;
|
|
if (isOutput[chan[i].state.alg][j]) {
|
|
rWrite(baseAddr+ADDR_TL,127-(((127-op.tl)*(chan[i].outVol&0x7f))/127));
|
|
} else {
|
|
rWrite(baseAddr+ADDR_TL,op.tl);
|
|
}
|
|
}
|
|
if (m.hadRs) {
|
|
op.rs=m.rs;
|
|
rWrite(baseAddr+ADDR_RS_AR,(op.ar&31)|(op.rs<<6));
|
|
}
|
|
if (m.hadDt) {
|
|
op.dt=m.dt;
|
|
rWrite(baseAddr+ADDR_MULT_DT,(op.mult&15)|(dtTable[op.dt&7]<<4));
|
|
}
|
|
if (m.hadD2r) {
|
|
op.d2r=m.d2r;
|
|
rWrite(baseAddr+ADDR_DT2_D2R,op.d2r&31);
|
|
}
|
|
if (m.hadSsg) {
|
|
op.ssgEnv=m.ssg;
|
|
rWrite(baseAddr+ADDR_SSG,op.ssgEnv&15);
|
|
}
|
|
}
|
|
|
|
if (chan[i].keyOn || chan[i].keyOff) {
|
|
immWrite(0x28,0x00|konOffs[i]);
|
|
chan[i].keyOff=false;
|
|
}
|
|
}
|
|
|
|
// ADPCM-B
|
|
if (chan[13].furnacePCM) {
|
|
chan[13].std.next();
|
|
|
|
if (chan[13].std.hadVol) {
|
|
chan[13].outVol=(chan[13].vol*MIN(64,chan[13].std.vol))/64;
|
|
immWrite(0x1b,chan[13].outVol);
|
|
}
|
|
|
|
if (chan[13].std.hadArp) {
|
|
if (!chan[13].inPorta) {
|
|
if (chan[13].std.arpMode) {
|
|
chan[13].baseFreq=NOTE_ADPCMB(chan[13].std.arp);
|
|
} else {
|
|
chan[13].baseFreq=NOTE_ADPCMB(chan[13].note+(signed char)chan[13].std.arp);
|
|
}
|
|
}
|
|
chan[13].freqChanged=true;
|
|
} else {
|
|
if (chan[13].std.arpMode && chan[13].std.finishedArp) {
|
|
chan[13].baseFreq=NOTE_ADPCMB(chan[13].note);
|
|
chan[13].freqChanged=true;
|
|
}
|
|
}
|
|
}
|
|
if (chan[13].freqChanged) {
|
|
chan[13].freq=parent->calcFreq(chan[13].baseFreq,chan[13].pitch,false,4);
|
|
immWrite(0x19,chan[13].freq&0xff);
|
|
immWrite(0x1a,(chan[13].freq>>8)&0xff);
|
|
chan[13].freqChanged=false;
|
|
}
|
|
|
|
for (int i=0; i<512; i++) {
|
|
if (pendingWrites[i]!=oldWrites[i]) {
|
|
immWrite(i,pendingWrites[i]&0xff);
|
|
oldWrites[i]=pendingWrites[i];
|
|
}
|
|
}
|
|
|
|
for (int i=0; i<4; i++) {
|
|
if (i==1 && extMode) continue;
|
|
if (chan[i].freqChanged) {
|
|
chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,false,octave(chan[i].baseFreq));
|
|
if (chan[i].freq>262143) chan[i].freq=262143;
|
|
int freqt=toFreq(chan[i].freq);
|
|
immWrite(chanOffs[i]+ADDR_FREQH,freqt>>8);
|
|
immWrite(chanOffs[i]+ADDR_FREQ,freqt&0xff);
|
|
chan[i].freqChanged=false;
|
|
}
|
|
if (chan[i].keyOn) {
|
|
immWrite(0x28,0xf0|konOffs[i]);
|
|
chan[i].keyOn=false;
|
|
}
|
|
}
|
|
}
|
|
|
|
int DivPlatformYM2610::octave(int freq) {
|
|
if (freq>=622.0f*128) {
|
|
return 128;
|
|
} else if (freq>=622.0f*64) {
|
|
return 64;
|
|
} else if (freq>=622.0f*32) {
|
|
return 32;
|
|
} else if (freq>=622.0f*16) {
|
|
return 16;
|
|
} else if (freq>=622.0f*8) {
|
|
return 8;
|
|
} else if (freq>=622.0f*4) {
|
|
return 4;
|
|
} else if (freq>=622.0f*2) {
|
|
return 2;
|
|
} else {
|
|
return 1;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
int DivPlatformYM2610::toFreq(int freq) {
|
|
if (freq>=622.0f*128) {
|
|
return 0x3800|((freq>>7)&0x7ff);
|
|
} else if (freq>=622.0f*64) {
|
|
return 0x3000|((freq>>6)&0x7ff);
|
|
} else if (freq>=622.0f*32) {
|
|
return 0x2800|((freq>>5)&0x7ff);
|
|
} else if (freq>=622.0f*16) {
|
|
return 0x2000|((freq>>4)&0x7ff);
|
|
} else if (freq>=622.0f*8) {
|
|
return 0x1800|((freq>>3)&0x7ff);
|
|
} else if (freq>=622.0f*4) {
|
|
return 0x1000|((freq>>2)&0x7ff);
|
|
} else if (freq>=622.0f*2) {
|
|
return 0x800|((freq>>1)&0x7ff);
|
|
} else {
|
|
return freq&0x7ff;
|
|
}
|
|
}
|
|
|
|
int DivPlatformYM2610::dispatch(DivCommand c) {
|
|
switch (c.cmd) {
|
|
case DIV_CMD_NOTE_ON: {
|
|
if (c.chan>12) { // ADPCM-B
|
|
DivInstrument* ins=parent->getIns(chan[c.chan].ins);
|
|
if (ins->type==DIV_INS_AMIGA) {
|
|
chan[c.chan].furnacePCM=true;
|
|
} else {
|
|
chan[c.chan].furnacePCM=false;
|
|
}
|
|
if (skipRegisterWrites) break;
|
|
if (chan[c.chan].furnacePCM) {
|
|
chan[c.chan].std.init(ins);
|
|
if (!chan[c.chan].std.willVol) {
|
|
chan[c.chan].outVol=chan[c.chan].vol;
|
|
immWrite(0x1b,chan[c.chan].outVol);
|
|
}
|
|
chan[c.chan].sample=ins->amiga.initSample;
|
|
if (chan[c.chan].sample>=0&&chan[c.chan].sample<parent->song.sampleLen) {
|
|
DivSample* s=parent->getSample(chan[c.chan].sample);
|
|
immWrite(0x12,(s->offB>>8)&0xff);
|
|
immWrite(0x13,s->offB>>16);
|
|
int end=s->offB+s->lengthB-1;
|
|
immWrite(0x14,(end>>8)&0xff);
|
|
immWrite(0x15,end>>16);
|
|
immWrite(0x11,isMuted[c.chan]?0:(chan[c.chan].pan<<6));
|
|
immWrite(0x10,(s->loopStart>=0)?0x90:0x80); // start/repeat
|
|
if (c.value!=DIV_NOTE_NULL) {
|
|
chan[c.chan].note=c.value;
|
|
chan[c.chan].baseFreq=NOTE_ADPCMB(chan[c.chan].note);
|
|
chan[c.chan].freqChanged=true;
|
|
}
|
|
chan[c.chan].active=true;
|
|
chan[c.chan].keyOn=true;
|
|
} else {
|
|
immWrite(0x10,0x01); // reset
|
|
immWrite(0x12,0);
|
|
immWrite(0x13,0);
|
|
immWrite(0x14,0);
|
|
immWrite(0x15,0);
|
|
break;
|
|
}
|
|
} else {
|
|
chan[c.chan].sample=-1;
|
|
chan[c.chan].std.init(NULL);
|
|
chan[c.chan].outVol=chan[c.chan].vol;
|
|
if ((12*sampleBank+c.value%12)>=parent->song.sampleLen) {
|
|
immWrite(0x10,0x01); // reset
|
|
immWrite(0x12,0);
|
|
immWrite(0x13,0);
|
|
immWrite(0x14,0);
|
|
immWrite(0x15,0);
|
|
break;
|
|
}
|
|
DivSample* s=parent->getSample(12*sampleBank+c.value%12);
|
|
immWrite(0x12,(s->offB>>8)&0xff);
|
|
immWrite(0x13,s->offB>>16);
|
|
int end=s->offB+s->lengthB-1;
|
|
immWrite(0x14,(end>>8)&0xff);
|
|
immWrite(0x15,end>>16);
|
|
immWrite(0x11,isMuted[c.chan]?0:(chan[c.chan].pan<<6));
|
|
immWrite(0x10,(s->loopStart>=0)?0x90:0x80); // start/repeat
|
|
chan[c.chan].baseFreq=(((unsigned int)s->rate)<<16)/(chipClock/144);
|
|
chan[c.chan].freqChanged=true;
|
|
}
|
|
break;
|
|
}
|
|
if (c.chan>6) { // ADPCM-A
|
|
if (skipRegisterWrites) break;
|
|
if ((12*sampleBank+c.value%12)>=parent->song.sampleLen) {
|
|
immWrite(0x100,0x80|(1<<(c.chan-7)));
|
|
immWrite(0x110+c.chan-7,0);
|
|
immWrite(0x118+c.chan-7,0);
|
|
immWrite(0x120+c.chan-7,0);
|
|
immWrite(0x128+c.chan-7,0);
|
|
break;
|
|
}
|
|
DivSample* s=parent->getSample(12*sampleBank+c.value%12);
|
|
immWrite(0x110+c.chan-7,(s->offA>>8)&0xff);
|
|
immWrite(0x118+c.chan-7,s->offA>>16);
|
|
int end=s->offA+s->lengthA-1;
|
|
immWrite(0x120+c.chan-7,(end>>8)&0xff);
|
|
immWrite(0x128+c.chan-7,end>>16);
|
|
immWrite(0x108+(c.chan-7),isMuted[c.chan]?0:((chan[c.chan].pan<<6)|chan[c.chan].vol));
|
|
immWrite(0x100,0x00|(1<<(c.chan-7)));
|
|
break;
|
|
}
|
|
DivInstrument* ins=parent->getIns(chan[c.chan].ins);
|
|
chan[c.chan].std.init(ins);
|
|
if (c.chan<4) {
|
|
if (!chan[c.chan].std.willVol) {
|
|
chan[c.chan].outVol=chan[c.chan].vol;
|
|
}
|
|
}
|
|
|
|
if (c.chan>3) { // PSG
|
|
if (c.value!=DIV_NOTE_NULL) {
|
|
chan[c.chan].baseFreq=NOTE_PERIODIC(c.value);
|
|
chan[c.chan].freqChanged=true;
|
|
chan[c.chan].note=c.value;
|
|
}
|
|
chan[c.chan].active=true;
|
|
chan[c.chan].keyOn=true;
|
|
if (isMuted[c.chan]) {
|
|
rWrite(0x04+c.chan,0);
|
|
} else {
|
|
rWrite(0x04+c.chan,(chan[c.chan].vol&15)|((chan[c.chan].psgMode&4)<<2));
|
|
}
|
|
break;
|
|
}
|
|
|
|
if (chan[c.chan].insChanged) {
|
|
chan[c.chan].state=ins->fm;
|
|
}
|
|
|
|
for (int i=0; i<4; i++) {
|
|
unsigned short baseAddr=chanOffs[c.chan]|opOffs[i];
|
|
DivInstrumentFM::Operator& op=chan[c.chan].state.op[i];
|
|
if (isOutput[chan[c.chan].state.alg][i]) {
|
|
if (!chan[c.chan].active || chan[c.chan].insChanged) {
|
|
rWrite(baseAddr+ADDR_TL,127-(((127-op.tl)*(chan[c.chan].outVol&0x7f))/127));
|
|
}
|
|
} else {
|
|
if (chan[c.chan].insChanged) {
|
|
rWrite(baseAddr+ADDR_TL,op.tl);
|
|
}
|
|
}
|
|
if (chan[c.chan].insChanged) {
|
|
rWrite(baseAddr+ADDR_MULT_DT,(op.mult&15)|(dtTable[op.dt&7]<<4));
|
|
rWrite(baseAddr+ADDR_RS_AR,(op.ar&31)|(op.rs<<6));
|
|
rWrite(baseAddr+ADDR_AM_DR,(op.dr&31)|(op.am<<7));
|
|
rWrite(baseAddr+ADDR_DT2_D2R,op.d2r&31);
|
|
rWrite(baseAddr+ADDR_SL_RR,(op.rr&15)|(op.sl<<4));
|
|
rWrite(baseAddr+ADDR_SSG,op.ssgEnv&15);
|
|
}
|
|
}
|
|
if (chan[c.chan].insChanged) {
|
|
rWrite(chanOffs[c.chan]+ADDR_FB_ALG,(chan[c.chan].state.alg&7)|(chan[c.chan].state.fb<<3));
|
|
rWrite(chanOffs[c.chan]+ADDR_LRAF,(isMuted[c.chan]?0:(chan[c.chan].pan<<6))|(chan[c.chan].state.fms&7)|((chan[c.chan].state.ams&3)<<4));
|
|
}
|
|
chan[c.chan].insChanged=false;
|
|
|
|
if (c.value!=DIV_NOTE_NULL) {
|
|
chan[c.chan].baseFreq=NOTE_FREQUENCY(c.value);
|
|
chan[c.chan].freqChanged=true;
|
|
chan[c.chan].note=c.value;
|
|
}
|
|
chan[c.chan].keyOn=true;
|
|
chan[c.chan].active=true;
|
|
break;
|
|
}
|
|
case DIV_CMD_NOTE_OFF:
|
|
if (c.chan>12) {
|
|
immWrite(0x10,0x01); // reset
|
|
break;
|
|
}
|
|
if (c.chan>6) {
|
|
immWrite(0x100,0x80|(1<<(c.chan-7)));
|
|
break;
|
|
}
|
|
chan[c.chan].keyOff=true;
|
|
chan[c.chan].keyOn=false;
|
|
chan[c.chan].active=false;
|
|
chan[c.chan].std.init(NULL);
|
|
break;
|
|
case DIV_CMD_NOTE_OFF_ENV:
|
|
if (c.chan>12) {
|
|
immWrite(0x10,0x01); // reset
|
|
break;
|
|
}
|
|
if (c.chan>6) {
|
|
immWrite(0x100,0x80|(1<<(c.chan-7)));
|
|
break;
|
|
}
|
|
if (c.chan>3) {
|
|
chan[c.chan].std.release();
|
|
break;
|
|
}
|
|
chan[c.chan].keyOff=true;
|
|
chan[c.chan].keyOn=false;
|
|
chan[c.chan].active=false;
|
|
chan[c.chan].std.release();
|
|
break;
|
|
case DIV_CMD_ENV_RELEASE:
|
|
chan[c.chan].std.release();
|
|
break;
|
|
case DIV_CMD_VOLUME: {
|
|
chan[c.chan].vol=c.value;
|
|
if (!chan[c.chan].std.hasVol) {
|
|
chan[c.chan].outVol=c.value;
|
|
}
|
|
if (c.chan>12) { // ADPCM-B
|
|
immWrite(0x1b,chan[c.chan].outVol);
|
|
break;
|
|
}
|
|
if (c.chan>6) { // ADPCM-A
|
|
immWrite(0x108+(c.chan-7),isMuted[c.chan]?0:((chan[c.chan].pan<<6)|chan[c.chan].vol));
|
|
break;
|
|
}
|
|
if (c.chan>3) { // PSG
|
|
if (isMuted[c.chan]) {
|
|
rWrite(0x04+c.chan,0);
|
|
} else {
|
|
if (chan[c.chan].active) rWrite(0x04+c.chan,(chan[c.chan].vol&15)|((chan[c.chan].psgMode&4)<<2));
|
|
}
|
|
break;
|
|
}
|
|
for (int i=0; i<4; i++) {
|
|
unsigned short baseAddr=chanOffs[c.chan]|opOffs[i];
|
|
DivInstrumentFM::Operator& op=chan[c.chan].state.op[i];
|
|
if (isOutput[chan[c.chan].state.alg][i]) {
|
|
rWrite(baseAddr+ADDR_TL,127-(((127-op.tl)*(chan[c.chan].outVol&0x7f))/127));
|
|
} else {
|
|
rWrite(baseAddr+ADDR_TL,op.tl);
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
case DIV_CMD_GET_VOLUME: {
|
|
return chan[c.chan].vol;
|
|
break;
|
|
}
|
|
case DIV_CMD_INSTRUMENT:
|
|
if (chan[c.chan].ins!=c.value || c.value2==1) {
|
|
chan[c.chan].insChanged=true;
|
|
}
|
|
chan[c.chan].ins=c.value;
|
|
break;
|
|
case DIV_CMD_PANNING: {
|
|
if (c.value==0) {
|
|
chan[c.chan].pan=3;
|
|
} else {
|
|
chan[c.chan].pan=((c.value&15)>0)|(((c.value>>4)>0)<<1);
|
|
}
|
|
if (c.chan>12) {
|
|
immWrite(0x11,isMuted[c.chan]?0:(chan[c.chan].pan<<6));
|
|
break;
|
|
}
|
|
if (c.chan>6) {
|
|
immWrite(0x108+(c.chan-7),isMuted[c.chan]?0:((chan[c.chan].pan<<6)|chan[c.chan].vol));
|
|
break;
|
|
}
|
|
if (c.chan>3) break;
|
|
rWrite(chanOffs[c.chan]+ADDR_LRAF,(isMuted[c.chan]?0:(chan[c.chan].pan<<6))|(chan[c.chan].state.fms&7)|((chan[c.chan].state.ams&3)<<4));
|
|
break;
|
|
}
|
|
case DIV_CMD_PITCH: {
|
|
chan[c.chan].pitch=c.value;
|
|
chan[c.chan].freqChanged=true;
|
|
break;
|
|
}
|
|
case DIV_CMD_NOTE_PORTA: {
|
|
if (c.chan>3) { // PSG, ADPCM-B
|
|
int destFreq=NOTE_OPNB(c.chan,c.value2);
|
|
bool return2=false;
|
|
if (destFreq>chan[c.chan].baseFreq) {
|
|
chan[c.chan].baseFreq+=c.value;
|
|
if (chan[c.chan].baseFreq>=destFreq) {
|
|
chan[c.chan].baseFreq=destFreq;
|
|
return2=true;
|
|
}
|
|
} else {
|
|
chan[c.chan].baseFreq-=c.value;
|
|
if (chan[c.chan].baseFreq<=destFreq) {
|
|
chan[c.chan].baseFreq=destFreq;
|
|
return2=true;
|
|
}
|
|
}
|
|
chan[c.chan].freqChanged=true;
|
|
if (return2) {
|
|
chan[c.chan].inPorta=false;
|
|
return 2;
|
|
}
|
|
break;
|
|
}
|
|
|
|
int destFreq=NOTE_FREQUENCY(c.value2);
|
|
int newFreq;
|
|
bool return2=false;
|
|
if (destFreq>chan[c.chan].baseFreq) {
|
|
newFreq=chan[c.chan].baseFreq+c.value*octave(chan[c.chan].baseFreq);
|
|
if (newFreq>=destFreq) {
|
|
newFreq=destFreq;
|
|
return2=true;
|
|
}
|
|
} else {
|
|
newFreq=chan[c.chan].baseFreq-c.value*octave(chan[c.chan].baseFreq);
|
|
if (newFreq<=destFreq) {
|
|
newFreq=destFreq;
|
|
return2=true;
|
|
}
|
|
}
|
|
if (!chan[c.chan].portaPause) {
|
|
if (octave(chan[c.chan].baseFreq)!=octave(newFreq)) {
|
|
chan[c.chan].portaPause=true;
|
|
break;
|
|
}
|
|
}
|
|
chan[c.chan].baseFreq=newFreq;
|
|
chan[c.chan].portaPause=false;
|
|
chan[c.chan].freqChanged=true;
|
|
if (return2) return 2;
|
|
break;
|
|
}
|
|
case DIV_CMD_SAMPLE_BANK:
|
|
sampleBank=c.value;
|
|
if (sampleBank>(parent->song.sample.size()/12)) {
|
|
sampleBank=parent->song.sample.size()/12;
|
|
}
|
|
iface.sampleBank=sampleBank;
|
|
break;
|
|
case DIV_CMD_LEGATO: {
|
|
chan[c.chan].baseFreq=NOTE_OPNB(c.chan,c.value);
|
|
chan[c.chan].freqChanged=true;
|
|
break;
|
|
}
|
|
case DIV_CMD_FM_LFO: {
|
|
rWrite(0x22,(c.value&7)|((c.value>>4)<<3));
|
|
break;
|
|
}
|
|
case DIV_CMD_FM_FB: {
|
|
if (c.chan>3) break;
|
|
chan[c.chan].state.fb=c.value&7;
|
|
rWrite(chanOffs[c.chan]+ADDR_FB_ALG,(chan[c.chan].state.alg&7)|(chan[c.chan].state.fb<<3));
|
|
break;
|
|
}
|
|
case DIV_CMD_FM_MULT: {
|
|
if (c.chan>3) break;
|
|
unsigned short baseAddr=chanOffs[c.chan]|opOffs[orderedOps[c.value]];
|
|
DivInstrumentFM::Operator& op=chan[c.chan].state.op[orderedOps[c.value]];
|
|
op.mult=c.value2&15;
|
|
rWrite(baseAddr+ADDR_MULT_DT,(op.mult&15)|(dtTable[op.dt&7]<<4));
|
|
break;
|
|
}
|
|
case DIV_CMD_FM_TL: {
|
|
if (c.chan>3) break;
|
|
unsigned short baseAddr=chanOffs[c.chan]|opOffs[orderedOps[c.value]];
|
|
DivInstrumentFM::Operator& op=chan[c.chan].state.op[orderedOps[c.value]];
|
|
op.tl=c.value2;
|
|
if (isOutput[chan[c.chan].state.alg][c.value]) {
|
|
rWrite(baseAddr+ADDR_TL,127-(((127-op.tl)*(chan[c.chan].outVol&0x7f))/127));
|
|
} else {
|
|
rWrite(baseAddr+ADDR_TL,op.tl);
|
|
}
|
|
break;
|
|
}
|
|
case DIV_CMD_FM_AR: {
|
|
if (c.chan>3) break;
|
|
if (c.value<0) {
|
|
for (int i=0; i<4; i++) {
|
|
DivInstrumentFM::Operator& op=chan[c.chan].state.op[i];
|
|
op.ar=c.value2&31;
|
|
unsigned short baseAddr=chanOffs[c.chan]|opOffs[i];
|
|
rWrite(baseAddr+ADDR_RS_AR,(op.ar&31)|(op.rs<<6));
|
|
}
|
|
} else {
|
|
DivInstrumentFM::Operator& op=chan[c.chan].state.op[orderedOps[c.value]];
|
|
op.ar=c.value2&31;
|
|
unsigned short baseAddr=chanOffs[c.chan]|opOffs[orderedOps[c.value]];
|
|
rWrite(baseAddr+ADDR_RS_AR,(op.ar&31)|(op.rs<<6));
|
|
}
|
|
break;
|
|
}
|
|
case DIV_CMD_STD_NOISE_MODE:
|
|
if (c.chan<4 || c.chan>6) break;
|
|
chan[c.chan].psgMode=(c.value+1)&7;
|
|
if (isMuted[c.chan]) {
|
|
rWrite(0x04+c.chan,0);
|
|
} else if (chan[c.chan].active) {
|
|
rWrite(0x04+c.chan,(chan[c.chan].outVol&15)|((chan[c.chan].psgMode&4)<<2));
|
|
}
|
|
break;
|
|
case DIV_CMD_STD_NOISE_FREQ:
|
|
if (c.chan<4 || c.chan>6) break;
|
|
ayNoiseFreq=31-c.value;
|
|
rWrite(0x06,ayNoiseFreq);
|
|
break;
|
|
case DIV_CMD_AY_ENVELOPE_SET:
|
|
if (c.chan<4 || c.chan>6) break;
|
|
ayEnvMode=c.value>>4;
|
|
rWrite(0x0d,ayEnvMode);
|
|
if (c.value&15) {
|
|
chan[c.chan].psgMode|=4;
|
|
} else {
|
|
chan[c.chan].psgMode&=~4;
|
|
}
|
|
if (isMuted[c.chan]) {
|
|
rWrite(0x04+c.chan,0);
|
|
} else {
|
|
rWrite(0x04+c.chan,(chan[c.chan].vol&15)|((chan[c.chan].psgMode&4)<<2));
|
|
}
|
|
break;
|
|
case DIV_CMD_AY_ENVELOPE_LOW:
|
|
if (c.chan<4 || c.chan>6) break;
|
|
ayEnvPeriod&=0xff00;
|
|
ayEnvPeriod|=c.value;
|
|
immWrite(0x0b,ayEnvPeriod);
|
|
immWrite(0x0c,ayEnvPeriod>>8);
|
|
break;
|
|
case DIV_CMD_AY_ENVELOPE_HIGH:
|
|
if (c.chan<4 || c.chan>6) break;
|
|
ayEnvPeriod&=0xff;
|
|
ayEnvPeriod|=c.value<<8;
|
|
immWrite(0x0b,ayEnvPeriod);
|
|
immWrite(0x0c,ayEnvPeriod>>8);
|
|
break;
|
|
case DIV_CMD_AY_ENVELOPE_SLIDE:
|
|
if (c.chan<4 || c.chan>6) break;
|
|
ayEnvSlide=c.value;
|
|
break;
|
|
case DIV_CMD_AY_AUTO_ENVELOPE:
|
|
if (c.chan<4 || c.chan>6) break;
|
|
chan[c.chan].autoEnvNum=c.value>>4;
|
|
chan[c.chan].autoEnvDen=c.value&15;
|
|
chan[c.chan].freqChanged=true;
|
|
break;
|
|
case DIV_ALWAYS_SET_VOLUME:
|
|
return 0;
|
|
break;
|
|
case DIV_CMD_GET_VOLMAX:
|
|
if (c.chan>12) return 255;
|
|
if (c.chan>6) return 31;
|
|
if (c.chan>3) return 15;
|
|
return 127;
|
|
break;
|
|
case DIV_CMD_PRE_PORTA:
|
|
if (c.chan>3) {
|
|
if (chan[c.chan].active && c.value2) {
|
|
if (parent->song.resetMacroOnPorta) chan[c.chan].std.init(parent->getIns(chan[c.chan].ins));
|
|
}
|
|
}
|
|
chan[c.chan].inPorta=c.value;
|
|
break;
|
|
case DIV_CMD_PRE_NOTE:
|
|
break;
|
|
default:
|
|
//printf("WARNING: unimplemented command %d\n",c.cmd);
|
|
break;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
void DivPlatformYM2610::muteChannel(int ch, bool mute) {
|
|
isMuted[ch]=mute;
|
|
if (ch>12) { // ADPCM-B
|
|
immWrite(0x11,isMuted[ch]?0:(chan[ch].pan<<6));
|
|
}
|
|
if (ch>6) { // ADPCM-A
|
|
immWrite(0x108+(ch-7),isMuted[ch]?0:((chan[ch].pan<<6)|chan[ch].vol));
|
|
return;
|
|
}
|
|
if (ch>3) { // PSG
|
|
if (isMuted[ch]) {
|
|
rWrite(0x04+ch,0);
|
|
} else {
|
|
rWrite(0x04+ch,(chan[ch].outVol&15)|((chan[ch].psgMode&4)<<2));
|
|
}
|
|
return;
|
|
}
|
|
// FM
|
|
rWrite(chanOffs[ch]+ADDR_LRAF,(isMuted[ch]?0:(chan[ch].pan<<6))|(chan[ch].state.fms&7)|((chan[ch].state.ams&3)<<4));
|
|
}
|
|
|
|
void DivPlatformYM2610::forceIns() {
|
|
for (int i=0; i<4; i++) {
|
|
for (int j=0; j<4; j++) {
|
|
unsigned short baseAddr=chanOffs[i]|opOffs[j];
|
|
DivInstrumentFM::Operator& op=chan[i].state.op[j];
|
|
if (isOutput[chan[i].state.alg][j]) {
|
|
rWrite(baseAddr+ADDR_TL,127-(((127-op.tl)*(chan[i].outVol&0x7f))/127));
|
|
} else {
|
|
rWrite(baseAddr+ADDR_TL,op.tl);
|
|
}
|
|
rWrite(baseAddr+ADDR_MULT_DT,(op.mult&15)|(dtTable[op.dt&7]<<4));
|
|
rWrite(baseAddr+ADDR_RS_AR,(op.ar&31)|(op.rs<<6));
|
|
rWrite(baseAddr+ADDR_AM_DR,(op.dr&31)|(op.am<<7));
|
|
rWrite(baseAddr+ADDR_DT2_D2R,op.d2r&31);
|
|
rWrite(baseAddr+ADDR_SL_RR,(op.rr&15)|(op.sl<<4));
|
|
rWrite(baseAddr+ADDR_SSG,op.ssgEnv&15);
|
|
}
|
|
rWrite(chanOffs[i]+ADDR_FB_ALG,(chan[i].state.alg&7)|(chan[i].state.fb<<3));
|
|
rWrite(chanOffs[i]+ADDR_LRAF,(isMuted[i]?0:(chan[i].pan<<6))|(chan[i].state.fms&7)|((chan[i].state.ams&3)<<4));
|
|
if (chan[i].active) {
|
|
chan[i].keyOn=true;
|
|
chan[i].freqChanged=true;
|
|
}
|
|
}
|
|
for (int i=4; i<14; i++) {
|
|
chan[i].insChanged=true;
|
|
}
|
|
immWrite(0x0b,ayEnvPeriod);
|
|
immWrite(0x0c,ayEnvPeriod>>8);
|
|
immWrite(0x0d,ayEnvMode);
|
|
}
|
|
|
|
void* DivPlatformYM2610::getChanState(int ch) {
|
|
return &chan[ch];
|
|
}
|
|
|
|
unsigned char* DivPlatformYM2610::getRegisterPool() {
|
|
return regPool;
|
|
}
|
|
|
|
int DivPlatformYM2610::getRegisterPoolSize() {
|
|
return 512;
|
|
}
|
|
|
|
void DivPlatformYM2610::poke(unsigned int addr, unsigned short val) {
|
|
immWrite(addr,val);
|
|
}
|
|
|
|
void DivPlatformYM2610::poke(std::vector<DivRegWrite>& wlist) {
|
|
for (DivRegWrite& i: wlist) immWrite(i.addr,i.val);
|
|
}
|
|
|
|
void DivPlatformYM2610::reset() {
|
|
while (!writes.empty()) writes.pop();
|
|
memset(regPool,0,512);
|
|
if (dumpWrites) {
|
|
addWrite(0xffffffff,0);
|
|
}
|
|
fm->reset();
|
|
for (int i=0; i<14; i++) {
|
|
chan[i]=DivPlatformYM2610::Channel();
|
|
}
|
|
for (int i=0; i<4; i++) {
|
|
chan[i].vol=0x7f;
|
|
chan[i].outVol=0x7f;
|
|
}
|
|
for (int i=4; i<7; i++) {
|
|
chan[i].vol=0x0f;
|
|
}
|
|
for (int i=7; i<13; i++) {
|
|
chan[i].vol=0x1f;
|
|
}
|
|
chan[13].vol=0xff;
|
|
|
|
for (int i=0; i<512; i++) {
|
|
oldWrites[i]=-1;
|
|
pendingWrites[i]=-1;
|
|
}
|
|
|
|
lastBusy=60;
|
|
sampleBank=0;
|
|
ayEnvPeriod=0;
|
|
ayEnvMode=0;
|
|
ayEnvSlide=0;
|
|
ayEnvSlideLow=0;
|
|
ayNoiseFreq=0;
|
|
|
|
delay=0;
|
|
|
|
extMode=false;
|
|
|
|
// AY noise
|
|
immWrite(0x06,ayNoiseFreq);
|
|
|
|
// LFO
|
|
immWrite(0x22,0x08);
|
|
|
|
// PCM volume
|
|
immWrite(0x101,0x3f); // A
|
|
immWrite(0x1b,0xff); // B
|
|
}
|
|
|
|
bool DivPlatformYM2610::isStereo() {
|
|
return true;
|
|
}
|
|
|
|
bool DivPlatformYM2610::keyOffAffectsArp(int ch) {
|
|
return (ch>3);
|
|
}
|
|
|
|
void DivPlatformYM2610::notifyInsChange(int ins) {
|
|
for (int i=0; i<14; i++) {
|
|
if (chan[i].ins==ins) {
|
|
chan[i].insChanged=true;
|
|
}
|
|
}
|
|
}
|
|
|
|
void DivPlatformYM2610::notifyInsDeletion(void* ins) {
|
|
for (int i=4; i<7; i++) {
|
|
chan[i].std.notifyInsDeletion((DivInstrument*)ins);
|
|
}
|
|
}
|
|
|
|
int DivPlatformYM2610::init(DivEngine* p, int channels, int sugRate, unsigned int flags) {
|
|
parent=p;
|
|
dumpWrites=false;
|
|
skipRegisterWrites=false;
|
|
for (int i=0; i<14; i++) {
|
|
isMuted[i]=false;
|
|
}
|
|
chipClock=8000000;
|
|
rate=chipClock/16;
|
|
iface.parent=parent;
|
|
iface.sampleBank=0;
|
|
fm=new ymfm::ym2610(iface);
|
|
reset();
|
|
return 14;
|
|
}
|
|
|
|
void DivPlatformYM2610::quit() {
|
|
delete fm;
|
|
}
|
|
|
|
DivPlatformYM2610::~DivPlatformYM2610() {
|
|
}
|