X-Git-Url: http://4ch.mooo.com/gitweb/?a=blobdiff_plain;f=src%2Flib%2F16_snd.c;h=e814c148b7460acaec40760627ea87fdc3ac9cad;hb=71fff90bbd895c10c83e339f93b3a579b50e595b;hp=7e6b644481a2fdd7e48ff13c74796ebfbf76d5e9;hpb=46bf49691f3f282718028959eb06466b2c7f3cbc;p=16.git diff --git a/src/lib/16_snd.c b/src/lib/16_snd.c old mode 100644 new mode 100755 index 7e6b6444..e814c148 --- a/src/lib/16_snd.c +++ b/src/lib/16_snd.c @@ -1,21 +1,194 @@ -/* Project 16 Source Code~ - * Copyright (C) 2012-2015 sparky4 & pngwen & andrius4669 - * - * This file is part of Project 16. - * - * Project 16 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 3 of the License, or - * (at your option) any later version. - * - * Project 16 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. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see , or - * write to the Free Software Foundation, Inc., 51 Franklin Street, - * Fifth Floor, Boston, MA 02110-1301 USA. - * - */ +/* Project 16 Source Code~ + * Copyright (C) 2012-2017 sparky4 & pngwen & andrius4669 & joncampbell123 & yakui-lover + * + * This file is part of Project 16. + * + * Project 16 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 3 of the License, or + * (at your option) any later version. + * + * Project 16 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. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see , or + * write to the Free Software Foundation, Inc., 51 Franklin Street, + * Fifth Floor, Boston, MA 02110-1301 USA. + * + */ + +#include "src/lib/16_snd.h" + +void opl2out(word reg, word data) +{ + __asm + { + mov ax,reg + mov dx,word ptr [ADLIB_FM_ADDRESS] + or ah,ah + jz @@1 + add dx,2 +@@1: out dx,al + mov cx,6 +@@2: in al,dx + loop @@2 + inc dl + mov ax,data + out dx,al + dec dl + mov cx,36 +@@3: in al,dx + loop @@3 + } +} + +void opl3out(word reg, word data) +{ + __asm + { + mov ax,reg + mov dx,word ptr [ADLIB_FM_ADDRESS] + or ah,ah + jz @@1 + add dx,2 +@@1: out dx,al + inc dl + mov ax,data + out dx,al + dec dl + mov cx,26 +@@2: in al,dx + loop @@2 + } +} + +void opl3exp(word data) +{ + __asm + { + mov ax,data + mov dx,word ptr [ADLIB_FM_ADDRESS] + add dx,2 + out dx,al + mov cx,6 +@@1: in al,dx + loop @@1 + inc dl + mov al,ah + out dx,al + mov cx,36 +@@2: in al,dx + loop @@2 + } +} + +/* Function: FMResest ******************************************************* +* +* Description: quick and dirty sound card reset (zeros all +* registers). +* +*/ +void FMReset(void/*int percusiveMode*/) +{ + int i; + + /* zero all registers */ + for(i = MIN_REGISTER; i < MAX_REGISTER+1; i++) opl2out(i, 0); + + /* allow FM chips to control the waveform of each operator */ + opl2out(0x01, 0x20); + + /* set rhythm enabled (6 melodic voices, 5 percussive) */ + opl2out(0xBD, 0x20); + + //FMSetPercusiveMode(percusiveMode); +} /* End of FMReset */ + +/* Function: FMKeyOff ******************************************************* +* +* Parameters: voice - which voice to turn off. +* +* Description: turns off the specified voice. +* +*/ +void FMKeyOff(int voice) +{ + int regNum; + + /* turn voice off */ + regNum = 0xB0 + voice % 11;//NUMVOICE; + opl2out(regNum, 0x0E); +} /* End of FMKeyOff */ + +/* Function: FMKeyOn ******************************************************* +* +* Parameters: voice - which voice to turn on. +* freq - its frequency (note). +* octave - its octave. +* +* Description: turns on a voice of specfied frequency and +* octave. +* +*/ +void FMKeyOn(int voice, int freq, int octave) +{ + int regNum, tmp; + + regNum = 0xA0 + voice % 11;//NUMVOICE; + opl2out(regNum, freq & 0xff); + regNum = 0xB0 + voice % 11;//NUMVOICE; + tmp = (freq >> 8) | (octave << 2) | 0x20; + opl2out(regNum, tmp); +} /* End of FMKeyOn */ + +/* Function: FMSetVoice ***************************************************** +* +* Parameters: voiceNum - which voice to set. +* ins - instrument to set voice. +* +* Description: sets the instrument of a voice. +* +*/ +void FMSetVoice(int voiceNum, FMInstrument *ins){ + int opCellNum, cellOffset; + + voiceNum %= 11;//NUMVOICE; + cellOffset = voiceNum % 3 + ((voiceNum / 3) << 3); + + /* set sound characteristic */ + opCellNum = 0x20 + (char)cellOffset; + opl2out(opCellNum, ins->SoundCharacteristic[0]); + opCellNum += 3; + opl2out(opCellNum, ins->SoundCharacteristic[1]); + + /* set level/output */ + opCellNum = 0x40 + (char)cellOffset; + opl2out(opCellNum, ins->Level[0]); + opCellNum += 3; + opl2out(opCellNum, ins->Level[1]); + + /* set Attack/Decay */ + opCellNum = 0x60 + (char)cellOffset; + opl2out(opCellNum, ins->AttackDecay[0]); + opCellNum += 3; + opl2out(opCellNum, ins->AttackDecay[1]); + + /* set Sustain/Release */ + opCellNum = 0x80 + (char)cellOffset; + opl2out(opCellNum, ins->SustainRelease[0]); + opCellNum += 3; + opl2out(opCellNum, ins->SustainRelease[1]); + + /* set Wave Select */ + opCellNum = 0xE0 + (char)cellOffset; + opl2out(opCellNum, ins->WaveSelect[0]); + opCellNum += 3; + opl2out(opCellNum, ins->WaveSelect[1]); + + /* set Feedback/Selectivity */ + opCellNum = (byte)0xC0 + (byte)voiceNum; + opl2out(opCellNum, ins->Feedback); +} /* End of FMSetVoice */