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/*
* Adplug - Replayer for many OPL2/OPL3 audio file formats.
* Copyright (C) 1999 - 2003 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* [xad] HYBRID player, by Riven the Mage <riven@ok.ru>
*/
/*
- discovery -
file(s) : HYBRID.EXE
type : Hybrid cracktro for Apache Longbow CD-RIP
tune : from 'Mig-29 Super Fulcrum' game by Domark
player : from 'Mig-29 Super Fulcrum' game by Domark
*/
#include "hybrid.h"
#include "debug.h"
const unsigned char CxadhybridPlayer::hyb_adlib_registers[99] =
{
0xE0, 0x60, 0x80, 0x20, 0x40, 0xE3, 0x63, 0x83, 0x23, 0x43, 0xC0,
0xE1, 0x61, 0x81, 0x21, 0x41, 0xE4, 0x64, 0x84, 0x24, 0x44, 0xC1,
0xE2, 0x62, 0x82, 0x22, 0x42, 0xE5, 0x65, 0x85, 0x25, 0x45, 0xC2,
0xE8, 0x68, 0x88, 0x28, 0x48, 0xEB, 0x6B, 0x8B, 0x2B, 0x4B, 0xC3,
0xE9, 0x69, 0x89, 0x29, 0x49, 0xEC, 0x6C, 0x8C, 0x2C, 0x4C, 0xC4,
0xEA, 0x6A, 0x8A, 0x2A, 0x4A, 0xED, 0x6D, 0x8D, 0x2D, 0x4D, 0xC5,
0xF0, 0x70, 0x90, 0x30, 0x50, 0xF3, 0x73, 0x93, 0x33, 0x53, 0xC6,
0xF1, 0x71, 0x91, 0x31, 0x51, 0xF4, 0x74, 0x94, 0x34, 0x54, 0xC7,
0xF2, 0x72, 0x92, 0x32, 0x52, 0xF5, 0x75, 0x95, 0x35, 0x55, 0xC8
};
const unsigned short CxadhybridPlayer::hyb_notes[98] =
{
0x0000, 0x0000,
0x016B, 0x0181, 0x0198, 0x01B0, 0x01CA, 0x01E5, 0x0202, 0x0220, 0x0241, 0x0263, 0x0287, 0x02AE,
0x056B, 0x0581, 0x0598, 0x05B0, 0x05CA, 0x05E5, 0x0602, 0x0620, 0x0641, 0x0663, 0x0687, 0x06AE,
0x096B, 0x0981, 0x0998, 0x09B0, 0x09CA, 0x09E5, 0x0A02, 0x0A20, 0x0A41, 0x0A63, 0x0A87, 0x0AAE,
0x0D6B, 0x0D81, 0x0D98, 0x0DB0, 0x0DCA, 0x0DE5, 0x0E02, 0x0E20, 0x0E41, 0x0E63, 0x0E87, 0x0EAE,
0x116B, 0x1181, 0x1198, 0x11B0, 0x11CA, 0x11E5, 0x1202, 0x1220, 0x1241, 0x1263, 0x1287, 0x12AE,
0x156B, 0x1581, 0x1598, 0x15B0, 0x15CA, 0x15E5, 0x1602, 0x1620, 0x1641, 0x1663, 0x1687, 0x16AE,
0x196B, 0x1981, 0x1998, 0x19B0, 0x19CA, 0x19E5, 0x1A02, 0x1A20, 0x1A41, 0x1A63, 0x1A87, 0x1AAE,
0x1D6B, 0x1D81, 0x1D98, 0x1DB0, 0x1DCA, 0x1DE5, 0x1E02, 0x1E20, 0x1E41, 0x1E63, 0x1E87, 0x1EAE
};
const unsigned char CxadhybridPlayer::hyb_default_instrument[11] =
{
0x00, 0xFF, 0xFF, 0x00, 0xFF, 0x00, 0xFF, 0xFF, 0x00, 0xFF, 0x00
};
CPlayer *CxadhybridPlayer::factory(Copl *newopl)
{
return new CxadhybridPlayer(newopl);
}
bool CxadhybridPlayer::xadplayer_load()
{
if(xad.fmt != HYBRID)
return false;
// load instruments
hyb.inst = (hyb_instrument *)&tune[0];
// load order
hyb.order = &tune[0x1D4];
return true;
}
void CxadhybridPlayer::xadplayer_rewind(int subsong)
{
int i;
hyb.order_pos = 0;
hyb.pattern_pos = 0;
hyb.speed = 6;
hyb.speed_counter = 1;
plr.speed = 1;
// init channel data
for(i=0;i<9;i++)
{
hyb.channel[i].freq = 0x2000;
hyb.channel[i].freq_slide = 0x0000;
}
// basic OPL init
opl_write(0x01, 0x20);
opl_write(0xBD, 0x40);
opl_write(0x08, 0x00);
// init OPL channels
for(i=0;i<9;i++)
{
for(int j=0;j<11;j++)
opl_write(hyb_adlib_registers[i*11+j], 0x00 /* hyb_default_instrument[j] */ );
opl_write(0xA0+i, 0x00);
opl_write(0xB0+i, 0x20);
}
}
void CxadhybridPlayer::xadplayer_update()
{
int i,j;
unsigned char patpos,ordpos;
if (--hyb.speed_counter)
goto update_slides;
hyb.speed_counter = hyb.speed;
patpos = hyb.pattern_pos;
ordpos = hyb.order_pos;
// process channels
for(i=0;i<9;i++)
{
unsigned char *pos = &tune[0xADE + (hyb.order[hyb.order_pos*9 + i] * 64 * 2) + (patpos * 2)];
// read event
unsigned short event = (pos[1] << 8) + pos[0];
#ifdef DEBUG
AdPlug_LogWrite("track %02X, channel %02X, event %04X:\n", hyb.order[hyb.order_pos*9 + i], i, event );
#endif
// calculate variables
unsigned char note = event >> 9;
unsigned char ins = ((event & 0x01F0) >> 4);
unsigned char slide = event & 0x000F;
// play event
switch(note)
{
case 0x7D: // 0x7D: Set Speed
hyb.speed = event & 0xFF;
break;
case 0x7E: // 0x7E: Jump Position
hyb.order_pos = event & 0xFF;
hyb.pattern_pos = 0x3F;
// jumpback ?
if (hyb.order_pos <= ordpos)
plr.looping = 1;
break;
case 0x7F: // 0x7F: Pattern Break
hyb.pattern_pos = 0x3F;
break;
default:
// is instrument ?
if (ins)
for(j=0;j<11;j++)
opl_write(hyb_adlib_registers[i*11+j], *((unsigned char *)&hyb.inst[ins-1] + 7 + j)); // +7 = skip name...
// is note ?
if (note)
{
hyb.channel[i].freq = hyb_notes[note];
hyb.channel[i].freq_slide = 0;
}
// is slide ?
if (slide)
{
hyb.channel[i].freq_slide = (((slide >> 3) * -1) * (slide & 7)) << 1;
if (slide & 0x80)
slide = -(slide & 7);
}
// set frequency
if (!(hyb.channel[i].freq & 0x2000))
{
opl_write(0xA0+i, hyb.channel[i].freq & 0xFF);
opl_write(0xB0+i, hyb.channel[i].freq >> 8);
hyb.channel[i].freq |= 0x2000;
opl_write(0xA0+i, hyb.channel[i].freq & 0xFF);
opl_write(0xB0+i, hyb.channel[i].freq >> 8);
}
break;
}
}
hyb.pattern_pos++;
// end of pattern ?
if (hyb.pattern_pos >= 0x40)
{
hyb.pattern_pos = 0;
hyb.order_pos++;
}
update_slides:
#ifdef DEBUG
AdPlug_LogWrite("slides:\n");
#endif
// update fine frequency slides
for(i=0;i<9;i++)
if (hyb.channel[i].freq_slide)
{
hyb.channel[i].freq = (((hyb.channel[i].freq & 0x1FFF) + hyb.channel[i].freq_slide) & 0x1FFF) | 0x2000;
opl_write(0xA0+i, hyb.channel[i].freq & 0xFF);
opl_write(0xB0+i, hyb.channel[i].freq >> 8);
}
}
float CxadhybridPlayer::xadplayer_getrefresh()
{
return 50.0f;
}
std::string CxadhybridPlayer::xadplayer_gettype()
{
return (std::string("xad: hybrid player"));
}
std::string CxadhybridPlayer::xadplayer_getinstrument(unsigned int i)
{
return (std::string(hyb.inst[i].name,7));
}
unsigned int CxadhybridPlayer::xadplayer_getinstruments()
{
return 26;
}
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