git.mutantstargoat.com Git - gbajam21/blob - tools/mmutil/nds.c

   1 /****************************************************************************
   2  *                                                          __              *
   3  *                ____ ___  ____ __  ______ ___  ____  ____/ /              *
   4  *               / __ `__ \/ __ `/ |/ / __ `__ \/ __ \/ __  /               *
   5  *              / / / / / / /_/ />  </ / / / / / /_/ / /_/ /                *
   6  *             /_/ /_/ /_/\__,_/_/|_/_/ /_/ /_/\____/\__,_/                 *
   7  *                                                                          *
   8  *         Copyright (c) 2008, Mukunda Johnson (mukunda@maxmod.org)         *
   9  *                                                                          *
  10  * Permission to use, copy, modify, and/or distribute this software for any *
  11  * purpose with or without fee is hereby granted, provided that the above   *
  12  * copyright notice and this permission notice appear in all copies.        *
  13  *                                                                          *
  14  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES *
  15  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF         *
  16  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR  *
  17  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES   *
  18  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN    *
  19  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF  *
  20  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.           *
  21  ****************************************************************************/
  22
  23 /* NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE
  24   SOME CODE WAS STOLEN FROM NDSTOOL.CPP
  25 NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE  */
  26
  27 #include <stdlib.h>
  28 #include "defs.h"
  29 #include "files.h"
  30 #include "mas.h"
  31
  32 #include "arm7_st.inc"
  33 #include "arm9_st.inc"
  34
  35 const u8 nds_logo[];
  36
  37 #define ARM7_SIZE sizeof(arm7_bin)
  38 #define ARM9_SIZE sizeof(arm9_bin)
  39
  40 const unsigned short crc16tab[] =
  41 {
  42         0x0000, 0xC0C1, 0xC181, 0x0140, 0xC301, 0x03C0, 0x0280, 0xC241,
  43         0xC601, 0x06C0, 0x0780, 0xC741, 0x0500, 0xC5C1, 0xC481, 0x0440,
  44         0xCC01, 0x0CC0, 0x0D80, 0xCD41, 0x0F00, 0xCFC1, 0xCE81, 0x0E40,
  45         0x0A00, 0xCAC1, 0xCB81, 0x0B40, 0xC901, 0x09C0, 0x0880, 0xC841,
  46         0xD801, 0x18C0, 0x1980, 0xD941, 0x1B00, 0xDBC1, 0xDA81, 0x1A40,
  47         0x1E00, 0xDEC1, 0xDF81, 0x1F40, 0xDD01, 0x1DC0, 0x1C80, 0xDC41,
  48         0x1400, 0xD4C1, 0xD581, 0x1540, 0xD701, 0x17C0, 0x1680, 0xD641,
  49         0xD201, 0x12C0, 0x1380, 0xD341, 0x1100, 0xD1C1, 0xD081, 0x1040,
  50         0xF001, 0x30C0, 0x3180, 0xF141, 0x3300, 0xF3C1, 0xF281, 0x3240,
  51         0x3600, 0xF6C1, 0xF781, 0x3740, 0xF501, 0x35C0, 0x3480, 0xF441,
  52         0x3C00, 0xFCC1, 0xFD81, 0x3D40, 0xFF01, 0x3FC0, 0x3E80, 0xFE41,
  53         0xFA01, 0x3AC0, 0x3B80, 0xFB41, 0x3900, 0xF9C1, 0xF881, 0x3840,
  54         0x2800, 0xE8C1, 0xE981, 0x2940, 0xEB01, 0x2BC0, 0x2A80, 0xEA41,
  55         0xEE01, 0x2EC0, 0x2F80, 0xEF41, 0x2D00, 0xEDC1, 0xEC81, 0x2C40,
  56         0xE401, 0x24C0, 0x2580, 0xE541, 0x2700, 0xE7C1, 0xE681, 0x2640,
  57         0x2200, 0xE2C1, 0xE381, 0x2340, 0xE101, 0x21C0, 0x2080, 0xE041,
  58         0xA001, 0x60C0, 0x6180, 0xA141, 0x6300, 0xA3C1, 0xA281, 0x6240,
  59         0x6600, 0xA6C1, 0xA781, 0x6740, 0xA501, 0x65C0, 0x6480, 0xA441,
  60         0x6C00, 0xACC1, 0xAD81, 0x6D40, 0xAF01, 0x6FC0, 0x6E80, 0xAE41,
  61         0xAA01, 0x6AC0, 0x6B80, 0xAB41, 0x6900, 0xA9C1, 0xA881, 0x6840,
  62         0x7800, 0xB8C1, 0xB981, 0x7940, 0xBB01, 0x7BC0, 0x7A80, 0xBA41,
  63         0xBE01, 0x7EC0, 0x7F80, 0xBF41, 0x7D00, 0xBDC1, 0xBC81, 0x7C40,
  64         0xB401, 0x74C0, 0x7580, 0xB541, 0x7700, 0xB7C1, 0xB681, 0x7640,
  65         0x7200, 0xB2C1, 0xB381, 0x7340, 0xB101, 0x71C0, 0x7080, 0xB041,
  66         0x5000, 0x90C1, 0x9181, 0x5140, 0x9301, 0x53C0, 0x5280, 0x9241,
  67         0x9601, 0x56C0, 0x5780, 0x9741, 0x5500, 0x95C1, 0x9481, 0x5440,
  68         0x9C01, 0x5CC0, 0x5D80, 0x9D41, 0x5F00, 0x9FC1, 0x9E81, 0x5E40,
  69         0x5A00, 0x9AC1, 0x9B81, 0x5B40, 0x9901, 0x59C0, 0x5880, 0x9841,
  70         0x8801, 0x48C0, 0x4980, 0x8941, 0x4B00, 0x8BC1, 0x8A81, 0x4A40,
  71         0x4E00, 0x8EC1, 0x8F81, 0x4F40, 0x8D01, 0x4DC0, 0x4C80, 0x8C41,
  72         0x4400, 0x84C1, 0x8581, 0x4540, 0x8701, 0x47C0, 0x4680, 0x8641,
  73         0x8201, 0x42C0, 0x4380, 0x8341, 0x4100, 0x81C1, 0x8081, 0x4040
  74 };
  75
  76 void Write_NDS( void )
  77 {
  78         int x;
  79         const char game_title[] = "SOUND TEST ";
  80
  81         for( x = 0; x < 12; x++ )
  82                 write8( game_title[x] );
  83
  84         write32( '####' );      // gamecode
  85         write16( 0 );   // makercode
  86         write8( 0 );    // unit code (Nintendo DS)
  87         write8( 0 );    // encryption seed
  88         write8( 0 );    // device capability
  89         for( x=  0; x < 9; x++ )
  90                 write8( 0 );    // reserved
  91         write8( 0 );    // rom version
  92         write8( 4 );    // autostart
  93
  94 //-----------------------------------------------------------
  95         write32( 512+32768 ); // arm9 ROM offset
  96         write32( 0x2000000 ); // arm9 entry point
  97         write32( 0x2000000 ); // arm9 ram address
  98         write32( 65536 ); // arm9 binary size (modify later)
  99 //-----------------------------------------------------------
 100         write32( 512 );                 // arm7 ROM offset
 101         write32( 0x37f8000 );   // arm7 entry point
 102         write32( 0x37f8000 );   // arm7 ram address
 103         write32( 32768 );       // arm7 binary size
 104 //-----------------------------------------------------------
 105
 106         write32( 0 );                   // fnt address
 107         write32( 0 );                   // fnt size
 108         write32( 0 );                   // fat address
 109         write32( 0 );                   // fat size
 110
 111         write32( 0 );                   // file arm9 overlay address
 112         write32( 0 );                   // file arm9 overlay size
 113         write32( 0 );                   // file arm7 overlay address
 114         write32( 0 );                   // file arm7 overlay size
 115
 116         write32( 0x7f7fff );    // port 40001a4 setting for normal commands
 117         write32( 0x203f1fff );  // port 40001a4 setting for KEY1 commands
 118
 119         write32( 0 );                   // icon (no icon)
 120
 121         write16( 0 );                   // secure area checksum
 122         write16( 0x51e );               // secure area loading timeout
 123         write32( 0 );                   // arm9 auto load list RAM address (?)
 124         write32( 0 );                   // arm7 auto load list RAM address (?)
 125         write32( 0 );                   // secure area disable
 126         write32( 0 );                   // secure area disable
 127
 128         write32( 0x14400 );             // total used ROM size
 129         write32( 0x200 );               // rom header size
 130
 131         write32( 0 );
 132         write32( 0 );
 133         write32( 0 );
 134         write32( 0 );
 135         write32( 0 );
 136         write32( 0 );
 137         write32( 'MARS' );
 138         write32( '11V_' );
 139         write8( '0' );
 140         write8( 0 );write8( 0 );write8( 0 );
 141         write32( 'SSAP' );
 142         write8( '0' );write8( '1' );write8( 0x96 );write8( 0 );
 143
 144         write32( 0 );
 145         write32( 0 );
 146         write32( 0 );
 147
 148         for( x = 0; x < 0x9c; x++ )
 149                 write8( nds_logo[x] );          // NINTENDO LOGO
 150
 151         write16( 0x9e1a );              // nintendo logo checksum
 152         write16( 0 );                   // header checksum (modify later)
 153         write32( 0 );                   // debug rom offset
 154         write32( 0 );                   // debug rom size
 155         write32( 0 );                   // debug ram address
 156
 157         write32( 0 );                   // reserved
 158
 159         for( x = 0; x < 0x90; x++ )
 160                 write8( 0 );
 161
 162         // write binaries
 163         for( x = 0; x < ARM7_SIZE; x++ )
 164                 write8( arm7_bin[x] );
 165         for( x = 0; x < 32768-ARM7_SIZE; x++ )  // pad to 32k
 166                 write8( (u8)x );
 167         for( x = 0; x < ARM9_SIZE; x++ )
 168                 write8( arm9_bin[x] );
 169         for( x = 0; x < 65536-ARM9_SIZE; x++ )  // pad to 64k
 170                 write8( (u8)x );
 171 }
 172
 173 unsigned short calculate_crc( void )
 174 {
 175         int i;
 176         unsigned short crc = 0xFFFF;
 177         for ( i=0; i<0x15E; i++)
 178         {
 179                 unsigned char data = read8();
 180                 crc = (crc >> 8) ^ crc16tab[(crc ^ data) & 0xFF];
 181         }
 182         return crc;
 183 }
 184
 185 void Validate_NDS( char* filename, int output_size )
 186 {
 187         int arm9_size;
 188         int header_crc;
 189         arm9_size = 65536 + output_size;
 190         file_open_write_end( filename );
 191         file_seek_write( 0x2c, SEEK_SET );
 192         write32( arm9_size );
 193         file_seek_write( 0x80, SEEK_SET );
 194         write32( arm9_size+32768 );             // total used rom size
 195         file_close_write();
 196
 197         file_open_read( filename );
 198         header_crc=calculate_crc();
 199         file_close_read();
 200         header_crc &= 0xFFFF;
 201
 202         file_open_write_end( filename );
 203         file_seek_write( 0x15e, SEEK_SET );
 204         write16( (u16)header_crc );
 205         file_close_write();
 206         /*
 207         // write arm7 rom_offset
 208         file_seek_write( 0x30, SEEK_SET );
 209         write32( 512 );
 210
 211         // write arm9 rom_offset
 212         file_seek_write( 0x20, SEEK_SET );
 213         write32( 512 + 0x4000 );
 214
 215         // write arm9 size
 216         file_seek_write( 0x2C, SEEK_SET );
 217         write32( 0x10000 + output_size );
 218         */
 219 }
 220
 221 const u8 nds_logo[] = {
 222         0xC8, 0x60, 0x4F, 0xE2, 0x1, 0x70, 0x8F, 0xE2, 0x17, 0xFF, 0x2F, 0xE1, 0x12, 0x4F, 0x11, 0x48, 0x12, 0x4C, 0x20, 0x60, 0x64, 0x60, 0x7C, 0x62, 0x30, 0x1C, 0x39, 0x1C, 0x10, 0x4A, 0x0, 0xF0, 0x14, 0xF8,
 223 0x30, 0x6A, 0x80, 0x19, 0xB1, 0x6A, 0xF2, 0x6A, 0x0, 0xF0, 0xB, 0xF8, 0x30, 0x6B, 0x80, 0x19, 0xB1, 0x6B, 0xF2, 0x6B, 0x0, 0xF0, 0x8, 0xF8, 0x70, 0x6A, 0x77, 0x6B, 0x7, 0x4C, 0x60, 0x60, 0x38, 0x47, 0x7,
 224 0x4B, 0xD2, 0x18, 0x9A, 0x43, 0x7, 0x4B, 0x92, 0x8, 0xD2, 0x18, 0xC, 0xDF, 0xF7, 0x46, 0x4, 0xF0, 0x1F, 0xE5, 0x0, 0xFE, 0x7F, 0x2, 0xF0, 0xFF, 0x7F, 0x2, 0xF0, 0x1, 0x0, 0x0, 0xFF, 0x1, 0x0, 0x0, 0x0,
 225 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
 226 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, };