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Diffstat (limited to 'src/adplug/core/bmf.cc')
| -rw-r--r-- | src/adplug/core/bmf.cc | 603 |
1 files changed, 0 insertions, 603 deletions
diff --git a/src/adplug/core/bmf.cc b/src/adplug/core/bmf.cc deleted file mode 100644 index b3601de..0000000 --- a/src/adplug/core/bmf.cc +++ /dev/null @@ -1,603 +0,0 @@ -/* - * Adplug - Replayer for many OPL2/OPL3 audio file formats. - * Copyright (C) 1999 - 2003, 2006 Simon Peter, <dn.tlp@gmx.net>, et al. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * This library 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 - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * - * [xad] BMF player, by Riven the Mage <riven@ok.ru> - */ - -/* - - discovery - - - file(s) : GAMESNET.COM - type : GamesNet advertising intro - tune : by (?)The Brain [Razor 1911] - player : ver.0.9b by Hammer - - file(s) : 2FAST4U.COM - type : Ford Knox BBStro - tune : by The Brain [Razor 1911] - player : ver.1.1 by ? - comment : in original player at 9th channel the feedback adlib register is not C8 but C6. - - file(s) : DATURA.COM - type : Datura BBStro - tune : by The Brain [Razor 1911] - player : ver.1.2 by ? - comment : inaccurate replaying, because constant outport; in original player it can be 380 or 382. -*/ - -#include <cstring> -#include "bmf.h" -#include "debug.h" - -const unsigned char CxadbmfPlayer::bmf_adlib_registers[117] = -{ - 0x20, 0x23, 0x40, 0x43, 0x60, 0x63, 0x80, 0x83, 0xA0, 0xB0, 0xC0, 0xE0, 0xE3, - 0x21, 0x24, 0x41, 0x44, 0x61, 0x64, 0x81, 0x84, 0xA1, 0xB1, 0xC1, 0xE1, 0xE4, - 0x22, 0x25, 0x42, 0x45, 0x62, 0x65, 0x82, 0x85, 0xA2, 0xB2, 0xC2, 0xE2, 0xE5, - 0x28, 0x2B, 0x48, 0x4B, 0x68, 0x6B, 0x88, 0x8B, 0xA3, 0xB3, 0xC3, 0xE8, 0xEB, - 0x29, 0x2C, 0x49, 0x4C, 0x69, 0x6C, 0x89, 0x8C, 0xA4, 0xB4, 0xC4, 0xE9, 0xEC, - 0x2A, 0x2D, 0x4A, 0x4D, 0x6A, 0x6D, 0x8A, 0x8D, 0xA5, 0xB5, 0xC5, 0xEA, 0xED, - 0x30, 0x33, 0x50, 0x53, 0x70, 0x73, 0x90, 0x93, 0xA6, 0xB6, 0xC6, 0xF0, 0xF3, - 0x31, 0x34, 0x51, 0x54, 0x71, 0x74, 0x91, 0x94, 0xA7, 0xB7, 0xC7, 0xF1, 0xF4, - 0x32, 0x35, 0x52, 0x55, 0x72, 0x75, 0x92, 0x95, 0xA8, 0xB8, 0xC8, 0xF2, 0xF5 -}; - -const unsigned short CxadbmfPlayer::bmf_notes[12] = -{ - 0x157, 0x16B, 0x181, 0x198, 0x1B0, 0x1CA, 0x1E5, 0x202, 0x220, 0x241, 0x263, 0x287 -}; - -/* for 1.1 */ -const unsigned short CxadbmfPlayer::bmf_notes_2[12] = -{ - 0x159, 0x16D, 0x183, 0x19A, 0x1B2, 0x1CC, 0x1E8, 0x205, 0x223, 0x244, 0x267, 0x28B -}; - -const unsigned char CxadbmfPlayer::bmf_default_instrument[13] = -{ - 0x01, 0x01, 0x3F, 0x3F, 0x00, 0x00, 0xF0, 0xF0, 0x00, 0x00, 0x00, 0x00, 0x00 -}; - -CPlayer *CxadbmfPlayer::factory(Copl *newopl) -{ - return new CxadbmfPlayer(newopl); -} - -bool CxadbmfPlayer::xadplayer_load() -{ - unsigned short ptr = 0; - int i; - - if(xad.fmt != BMF) - return false; - -#ifdef DEBUG - AdPlug_LogWrite("\nbmf_load():\n\n"); -#endif - if (!strncmp((char *)&tune[0],"BMF1.2",6)) - { - bmf.version = BMF1_2; - bmf.timer = 70.0f; - } - else if (!strncmp((char *)&tune[0],"BMF1.1",6)) - { - bmf.version = BMF1_1; - bmf.timer = 60.0f; - } - else - { - bmf.version = BMF0_9B; - bmf.timer = 18.2f; - } - - // copy title & author - if (bmf.version > BMF0_9B) - { - ptr = 6; - - strncpy(bmf.title,(char *)&tune[ptr],36); - bmf.title[35] = 0; - - while (tune[ptr]) { ptr++; } - ptr++; - - strncpy(bmf.author,(char *)&tune[ptr],36); - bmf.author[35] = 0; - - while (tune[ptr]) { ptr++; } - ptr++; - } - else - { - strncpy(bmf.title,xad.title,36); - strncpy(bmf.author,xad.author,36); - } - - // speed - if (bmf.version > BMF0_9B) - bmf.speed = tune[ptr++]; - else - bmf.speed = ((tune[ptr++] << 8) / 3) >> 8; // strange, yeh ? - - // load instruments - if (bmf.version > BMF0_9B) - { - unsigned long iflags = (tune[ptr] << 24) | (tune[ptr+1] << 16) | (tune[ptr+2] << 8) | tune[ptr+3]; - ptr+=4; - - for(i=0;i<32;i++) - if (iflags & (1 << (31-i))) - { - strcpy(bmf.instruments[i].name, (char *)&tune[ptr]); - memcpy(bmf.instruments[i].data, &tune[ptr+11], 13); - ptr += 24; - } - else - { - bmf.instruments[i].name[0] = 0; - - if (bmf.version == BMF1_1) - for(int j=0;j<13;j++) - bmf.instruments[i].data[j] = bmf_default_instrument[j]; - else - for(int j=0;j<13;j++) - bmf.instruments[i].data[j] = 0; - } - } - else - { - ptr = 6; - - for(i=0;i<32;i++) - { - bmf.instruments[i].name[0] = 0; - memcpy(bmf.instruments[tune[ptr]].data, &tune[ptr+2],13); // bug no.1 (no instrument-table-end detection) - ptr+=15; - } - } - - // load streams - if (bmf.version > BMF0_9B) - { - unsigned long sflags = (tune[ptr] << 24) | (tune[ptr+1] << 16) | (tune[ptr+2] << 8) | tune[ptr+3]; - ptr+=4; - - for(i=0;i<9;i++) - if (sflags & (1 << (31-i))) - ptr+=__bmf_convert_stream(&tune[ptr],i); - else - bmf.streams[i][0].cmd = 0xFF; - } - else - { - for(i=0;i<tune[5];i++) - ptr+=__bmf_convert_stream(&tune[ptr],i); - - for(i=tune[5];i<9;i++) - bmf.streams[i][0].cmd = 0xFF; - } - - return true; -} - -void CxadbmfPlayer::xadplayer_rewind(int subsong) -{ - int i,j; - - for(i=0; i<9; i++) - { - bmf.channel[i].stream_position = 0; - bmf.channel[i].delay = 0; - bmf.channel[i].loop_position = 0; - bmf.channel[i].loop_counter = 0; - } - - plr.speed = bmf.speed; -#ifdef DEBUG - AdPlug_LogWrite("speed: %x\n",plr.speed); -#endif - - bmf.active_streams = 9; - - // OPL initialization - if (bmf.version > BMF0_9B) - { - opl_write(0x01, 0x20); - - /* 1.1 */ - if (bmf.version == BMF1_1) - for(i=0;i<9;i++) - for(j=0;j<13;j++) - opl_write(bmf_adlib_registers[13*i+j], bmf_default_instrument[j]); - /* 1.2 */ - else if (bmf.version == BMF1_2) - for(i=0x20; i<0x100; i++) - opl_write(i,0xFF); // very interesting, really! - } - - /* ALL */ - - opl_write(0x08, 0x00); - opl_write(0xBD, 0xC0); -} - -void CxadbmfPlayer::xadplayer_update() -{ - for(int i=0;i<9;i++) - if (bmf.channel[i].stream_position != 0xFFFF) - { - if (bmf.channel[i].delay) - bmf.channel[i].delay--; - else - { -#ifdef DEBUG - AdPlug_LogWrite("channel %02X:\n", i); -#endif - bmf_event event; - - // process so-called cross-events - while (true) - { - memcpy(&event, &bmf.streams[i][bmf.channel[i].stream_position], sizeof(bmf_event)); -#ifdef DEBUG - AdPlug_LogWrite("%02X %02X %02X %02X %02X %02X\n", - event.note,event.delay,event.volume,event.instrument, - event.cmd,event.cmd_data); -#endif - - if (event.cmd == 0xFF) - { - bmf.channel[i].stream_position = 0xFFFF; - bmf.active_streams--; - break; - } - else if (event.cmd == 0xFE) - { - bmf.channel[i].loop_position = bmf.channel[i].stream_position+1; - bmf.channel[i].loop_counter = event.cmd_data; - } - else if (event.cmd == 0xFD) - { - if (bmf.channel[i].loop_counter) - { - bmf.channel[i].stream_position = bmf.channel[i].loop_position-1; - bmf.channel[i].loop_counter--; - } - } - else - break; - - bmf.channel[i].stream_position++; - } // while (true) - - // process normal event - unsigned short pos = bmf.channel[i].stream_position; - - if (pos != 0xFFFF) - { - bmf.channel[i].delay = bmf.streams[i][pos].delay; - - // command ? - if (bmf.streams[i][pos].cmd) - { - unsigned char cmd = bmf.streams[i][pos].cmd; - - // 0x01: Set Modulator Volume - if (cmd == 0x01) - { - unsigned char reg = bmf_adlib_registers[13*i+2]; - - opl_write(reg, (adlib[reg] | 0x3F) - bmf.streams[i][pos].cmd_data); - } - // 0x10: Set Speed - else if (cmd == 0x10) - { - plr.speed = bmf.streams[i][pos].cmd_data; - plr.speed_counter = plr.speed; - } - } // if (bmf.streams[i][pos].cmd) - - // instrument ? - if (bmf.streams[i][pos].instrument) - { - unsigned char ins = bmf.streams[i][pos].instrument-1; - - if (bmf.version != BMF1_1) - opl_write(0xB0+i, adlib[0xB0+i] & 0xDF); - - for(int j=0;j<13;j++) - opl_write(bmf_adlib_registers[i*13+j], bmf.instruments[ins].data[j]); - } // if (bmf.streams[i][pos].instrument) - - // volume ? - if (bmf.streams[i][pos].volume) - { - unsigned char vol = bmf.streams[i][pos].volume-1; - unsigned char reg = bmf_adlib_registers[13*i+3]; - - opl_write(reg, (adlib[reg] | 0x3F) - vol); - } // if (bmf.streams[i][pos].volume) - - // note ? - if (bmf.streams[i][pos].note) - { - unsigned short note = bmf.streams[i][pos].note; - unsigned short freq = 0; - - // mute channel - opl_write(0xB0+i, adlib[0xB0+i] & 0xDF); - - // get frequency - if (bmf.version == BMF1_1) - { - if (note <= 0x60) - freq = bmf_notes_2[--note % 12]; - } - else - { - if (note != 0x7F) - freq = bmf_notes[--note % 12]; - } - - // play note - if (freq) - { - opl_write(0xB0+i, (freq >> 8) | ((note / 12) << 2) | 0x20); - opl_write(0xA0+i, freq & 0xFF); - } - } // if (bmf.streams[i][pos].note) - - bmf.channel[i].stream_position++; - } // if (pos != 0xFFFF) - - } // if (!bmf.channel[i].delay) - } // if (bmf.channel[i].stream_position != 0xFFFF) - - // is module loop ? - if (!bmf.active_streams) - { - for(int j=0;j<9;j++) - bmf.channel[j].stream_position = 0; - - bmf.active_streams = 9; - - plr.looping = 1; - } -} - -float CxadbmfPlayer::xadplayer_getrefresh() -{ - return bmf.timer; -} - -std::string CxadbmfPlayer::xadplayer_gettype() -{ - return std::string("xad: BMF Adlib Tracker"); -} - -std::string CxadbmfPlayer::xadplayer_gettitle() -{ - return std::string(bmf.title); -} - -std::string CxadbmfPlayer::xadplayer_getauthor() -{ - return std::string(bmf.author); -} - -unsigned int CxadbmfPlayer::xadplayer_getinstruments() -{ - return 32; -} - -std::string CxadbmfPlayer::xadplayer_getinstrument(unsigned int i) -{ - return std::string(bmf.instruments[i].name); -} - -/* -------- Internal Functions ---------------------------- */ - -int CxadbmfPlayer::__bmf_convert_stream(unsigned char *stream, int channel) -{ -#ifdef DEBUG - AdPlug_LogWrite("channel %02X (note,delay,volume,instrument,command,command_data):\n",channel); - unsigned char *last = stream; -#endif - unsigned char *stream_start = stream; - - int pos = 0; - - while (true) - { - memset(&bmf.streams[channel][pos], 0, sizeof(bmf_event)); - - bool is_cmd = false; - - if (*stream == 0xFE) - { - // 0xFE -> 0xFF: End of Stream - bmf.streams[channel][pos].cmd = 0xFF; - - stream++; - - break; - } - else if (*stream == 0xFC) - { - // 0xFC -> 0xFE xx: Save Loop Position - bmf.streams[channel][pos].cmd = 0xFE; - bmf.streams[channel][pos].cmd_data = (*(stream+1) & ((bmf.version == BMF0_9B) ? 0x7F : 0x3F)) - 1; - - stream+=2; - } - else if (*stream == 0x7D) - { - // 0x7D -> 0xFD: Loop Saved Position - bmf.streams[channel][pos].cmd = 0xFD; - - stream++; - } - else - { - if (*stream & 0x80) - { - if (*(stream+1) & 0x80) - { - if (*(stream+1) & 0x40) - { - // byte0: 1aaaaaaa = NOTE - bmf.streams[channel][pos].note = *stream & 0x7F; - // byte1: 11bbbbbb = DELAY - bmf.streams[channel][pos].delay = *(stream+1) & 0x3F; - // byte2: cccccccc = COMMAND - - stream+=2; - - is_cmd = true; - } - else - { - // byte0: 1aaaaaaa = NOTE - bmf.streams[channel][pos].note = *stream & 0x7F; - // byte1: 11bbbbbb = DELAY - bmf.streams[channel][pos].delay = *(stream+1) & 0x3F; - - stream+=2; - } // if (*(stream+1) & 0x40) - } - else - { - // byte0: 1aaaaaaa = NOTE - bmf.streams[channel][pos].note = *stream & 0x7F; - // byte1: 0bbbbbbb = COMMAND - - stream++; - - is_cmd = true; - } // if (*(stream+1) & 0x80) - } - else - { - // byte0: 0aaaaaaa = NOTE - bmf.streams[channel][pos].note = *stream & 0x7F; - - stream++; - } // if (*stream & 0x80) - } // if (*stream == 0xFE) - - // is command ? - if (is_cmd) - { - - /* ALL */ - - if ((0x20 <= *stream) && (*stream <= 0x3F)) - { - // 0x20 or higher; 0x3F or lower: Set Instrument - bmf.streams[channel][pos].instrument = *stream - 0x20 + 1; - - stream++; - } - else if (0x40 <= *stream) - { - // 0x40 or higher: Set Volume - bmf.streams[channel][pos].volume = *stream - 0x40 + 1; - - stream++; - } - else - { - - /* 0.9b */ - - if (bmf.version == BMF0_9B) - if (*stream < 0x20) - { - // 0x1F or lower: ? - stream++; - } - - /* 1.2 */ - - if (bmf.version == BMF1_2) - { - if (*stream == 0x01) - { - // 0x01: Set Modulator Volume -> 0x01 - bmf.streams[channel][pos].cmd = 0x01; - bmf.streams[channel][pos].cmd_data = *(stream+1); - - stream+=2; - } - else if (*stream == 0x02) - { - // 0x02: ? - stream+=2; - } - else if (*stream == 0x03) - { - // 0x03: ? - stream+=2; - } - else if (*stream == 0x04) - { - // 0x04: Set Speed -> 0x10 - bmf.streams[channel][pos].cmd = 0x10; - bmf.streams[channel][pos].cmd_data = *(stream+1); - - stream+=2; - } - else if (*stream == 0x05) - { - // 0x05: Set Carrier Volume (port 380) - bmf.streams[channel][pos].volume = *(stream+1) + 1; - - stream+=2; - } - else if (*stream == 0x06) - { - // 0x06: Set Carrier Volume (port 382) - bmf.streams[channel][pos].volume = *(stream+1) + 1; - - stream+=2; - } - } // if (bmf.version == BMF1_2) - - } // if ((0x20 <= *stream) && (*stream <= 0x3F)) - - } // if (is_cmd) - -#ifdef DEBUG - AdPlug_LogWrite("%02X %02X %02X %02X %02X %02X <---- ", - bmf.streams[channel][pos].note, - bmf.streams[channel][pos].delay, - bmf.streams[channel][pos].volume, - bmf.streams[channel][pos].instrument, - bmf.streams[channel][pos].cmd, - bmf.streams[channel][pos].cmd_data - ); - for(int zz=0;zz<(stream-last);zz++) - AdPlug_LogWrite("%02X ",last[zz]); - AdPlug_LogWrite("\n"); - last=stream; -#endif - pos++; - } // while (true) - - return (stream - stream_start); -} |