Major reformatting, cleaning up black magic

5 files changed, 227 insertions, 625 deletions

@@ -1,3 +1,12 @@
+/*
+ * Copyright (C) 2017 hatkirby
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ *
+ * Gen 3 proprietary encoding information from Bulbapedia:
+ * https://bulbapedia.bulbagarden.net/wiki/Character_encoding_in_Generation_III
+ */
 #include "encoding.h"
 
 const char charmap[] = {
@@ -1,3 +1,9 @@
+/*
+ * Copyright (C) 2017 hatkirby
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
 #ifndef ENCODING_H_95547384
 #define ENCODING_H_95547384
 
@@ -1,3 +1,9 @@
+/*
+ * Copyright (C) 2017 hatkirby
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
 #include "link.h"
 
 u32 waitForButtons(u32 mask)
@@ -1,3 +1,9 @@
+/*
+ * Copyright (C) 2017 hatkirby
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
 #ifndef _LINK_H_
 #define _LINK_H_
 
@@ -1,5 +1,6 @@
 /*
  * Copyright (C) 2017 hatkirby
+ * Copyright (C) 2017 slipstream/RoL
  * Copyright (C) 2016 FIX94
  *
  * This software may be modified and distributed under the terms
@@ -7,15 +8,10 @@
  */
 #include <gccore.h>
 #include <stdio.h>
-#include <malloc.h>
+#include <stdlib.h>
 #include <unistd.h>
 #include <string.h>
-#include <stdlib.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <dirent.h>
-#include <fat.h>
+#include <malloc.h>
 #include "link.h"
 #include "encoding.h"
 
@@ -31,9 +27,8 @@ void printmain()
   printf("\x1b[2J");
   printf("\x1b[37m");
   printf("Pokemon Gen III Data Extractor by hatkirby\n");
+        printf("Based on gba-gen3multiboot by slipstream/RoL\n");
   printf("Based on GBA Link Cable Dumper v1.6 by FIX94\n");
-  printf("Save Support based on SendSave by Chishm\n");
-  printf("Save Structure based on gba-gen3multiboot by slipstream/RoL\n");
 }
 
 u8 *resbuf,*cmdbuf;
@@ -49,98 +44,24 @@ void acb(s32 res, u32 val)
 {
   resval = val;
 }
-/*
-unsigned int docrc(u32 crc, u32 val)
-{
-  int i;
-  for (i = 0; i < 0x20; i++)
-  {
-    if ((crc ^ val) & 1)
-    {
-      crc>>=1;
-      crc^=0xa1c1;
-    } else {
-      crc>>=1;
-    }
-
-    val>>=1;
-  }
 
-  return crc;
-}*/
-unsigned int docrc(u32 crc,u32 val) {
+unsigned int docrc(u32 crc,u32 val)
+{
         u32 result;
 
         result = val ^ crc;
-        for (int i = 0; i < 0x20; i++) {
-                if (result & 1) {
+        for (int i = 0; i < 0x20; i++)
+        {
+                if (result & 1)
+                {
                         result >>= 1;
                         result ^= 0xA1C1;
-                } else result >>= 1;
+                } else {
+                        result >>= 1;
+                }
         }
-        return result;
-}
-
-void fixFName(char *str)
-{
-  u8 i = 0;
-  for (i = 0; i < strlen(str); ++i)
-  {
-    if (str[i] < 0x20 || str[i] > 0x7F)
-    {
-      str[i] = '_';
-    } else {
-      switch (str[i])
-      {
-      case '\\':
-      case '/':
-      case ':':
-      case '*':
-      case '?':
-      case '\"':
-      case '<':
-      case '>':
-      case '|':
-        str[i] = '_';
-        break;
-      default:
-        break;
-      }
-    }
-  }
-}
-
-unsigned int calckey(unsigned int size)
-{
-  unsigned int ret = 0;
-  size= (size - 0x200) >> 3;
-  int res1 = (size & 0x3F80) << 1;
-  res1 |= (size & 0x4000) << 2;
-  res1 |= (size & 0x7F);
-  res1 |= 0x380000;
-  int res2 = res1;
-  res1 = res2 >> 0x10;
-  int res3 = res2 >> 8;
-  res3 += res1;
-  res3 += res2;
-  res3 <<= 24;
-  res3 |= res2;
-  res3 |= 0x80808080;
-
-  if ((res3 & 0x200) == 0)
-  {
-    ret |= (((res3)     & 0xFF) ^ 0x4B) << 24;
-    ret |= (((res3>>8)  & 0xFF) ^ 0x61) << 16;
-    ret |= (((res3>>16) & 0xFF) ^ 0x77) << 8;
-    ret |= (((res3>>24) & 0xFF) ^ 0x61);
-  } else {
-    ret |= (((res3)     & 0xFF) ^ 0x73) << 24;
-    ret |= (((res3>>8)  & 0xFF) ^ 0x65) << 16;
-    ret |= (((res3>>16) & 0xFF) ^ 0x64) << 8;
-    ret |= (((res3>>24) & 0xFF) ^ 0x6F);
-  }
 
-  return ret;
+        return result;
 }
 
 void doreset()
@@ -170,17 +91,6 @@ void endproc()
   exit(0);
 }
 
-void fsleep(int i)
-{
-        sleep(i);
-        /*PAD_ScanPads();
-  if (PAD_ButtonsDown(0) & PAD_BUTTON_START)
-  {
-                getstatus();
-    endproc();
-  }*/
-}
-
 u32 recv()
 {
   memset(resbuf,0,32);
@@ -208,29 +118,6 @@ void send(u32 msg)
   while (transval == 0);
 }
 
-bool dirExists(const char *path)
-{
-  DIR *dir = opendir(path);
-  if (dir)
-  {
-    closedir(dir);
-
-    return true;
-  }
-
-  return false;
-}
-
-void createFile(const char *path, size_t size)
-{
-  int fd = open(path, O_WRONLY | O_CREAT);
-  if (fd >= 0)
-  {
-    ftruncate(fd, size);
-    close(fd);
-  }
-}
-
 void warnError(char *msg)
 {
   puts(msg);
@@ -248,64 +135,98 @@ void fatalError(char *msg)
   exit(0);
 }
 
-u32 genKeyA() {
+u32 genKeyA()
+{
         u32 retries = 0;
-        while (true) {
+
+        for (;;)
+        {
                 u32 key = 0;
-                if (retries > 32) {
+
+                if (retries > 32)
+                {
                         key = 0xDD654321;
                 } else {
                         key = (rand() & 0x00ffffff) | 0xDD000000;
                 }
+
                 u32 unk = (key % 2 != 0);
                 u32 v12 = key;
-                for (u32 v13 = 1; v13 < 32; v13++) {
+                for (u32 v13 = 1; v13 < 32; v13++)
+                {
                         v12 >>= 1;
                         unk += (v12 % 2 != 0);
                 }
-                if ((unk >= 10 && unk <= 24)) {
-                        if (retries > 4) printf("KeyA retries = %ld",retries);
-                        printf("KeyA = 0x%08lx\n",key);
+
+                if ((unk >= 10 && unk <= 24))
+                {
+                        if (retries > 4)
+                        {
+                                printf("KeyA retries = %ld", retries);
+                        }
+
+                        printf("KeyA = 0x%08lx\n", key);
+
                         return key;
                 }
+
                 retries++;
         }
 }
 
-u32 checkKeyB(u32 KeyBRaw) {
-        if ((KeyBRaw & 0xFF) != 0xEE) {
-                printf("Invalid KeyB - lowest 8 bits should be 0xEE, actually 0x%02x\n",((u8)(KeyBRaw)));
+u32 checkKeyB(u32 KeyBRaw)
+{
+        if ((KeyBRaw & 0xFF) != 0xEE)
+        {
+                printf("Invalid KeyB - lowest 8 bits should be 0xEE, actually 0x%02x\n",
+                        ((u8)(KeyBRaw)));
+
                 return 0;
         }
+
         u32 KeyB = KeyBRaw & 0xffffff00;
         u32 val = KeyB;
         u32 unk = (val < 0);
-        for (u32 i = 1; i < 24; i++) {
+        for (u32 i = 1; i < 24; i++)
+        {
                 val <<= 1;
                 unk += (val < 0);
         }
-        if (unk > 14) {
-                printf("Invalid KeyB - high 24 bits bad: 0x%08lx\n",KeyB);
+
+        if (unk > 14)
+        {
+                printf("Invalid KeyB - high 24 bits bad: 0x%08lx\n", KeyB);
+
                 return 0;
         }
-        printf("Valid KeyB: 0x%08lx\n",KeyB);
+
+        printf("Valid KeyB: 0x%08lx\n", KeyB);
+
         return KeyB;
 }
 
-u32 deriveKeyC(u32 keyCderive, u32 kcrc) {
+u32 deriveKeyC(u32 keyCderive, u32 kcrc)
+{
         u32 keyc = 0;
         u32 keyCi = 0;
-        do {
+
+        do
+        {
                 u32 v5 = 0x1000000 * keyCi - 1;
                 u32 keyCattempt = docrc(kcrc,v5);
-                //printf("i = %d; keyCderive = %08x; keyCattempt = %08x\n",keyCi,keyCderive,keyCattempt);
-                if (keyCderive == keyCattempt) {
+
+                if (keyCderive == keyCattempt)
+                {
                         keyc = v5;
+
                         printf("Found keyC: %08lx\n",keyc);
+
                         return keyc;
                 }
+
                 keyCi++;
         } while (keyCi < 256);
+
         return keyc;
 }
 
@@ -315,12 +236,13 @@ u32 getMsg()
         while (val == 0)
         {
                 val = __builtin_bswap32(recv());
-                fsleep(1);
+                sleep(1);
         }
+
   send(0);
-        while (recv()!=0) {fsleep(1);};
+        while (recv()!=0) {sleep(1);};
         send(0);
-        
+
         return val;
 }
 
@@ -345,33 +267,17 @@ int main(int argc, char *argv[])
   PAD_Init();
   cmdbuf = memalign(32,32);
   resbuf = memalign(32,32);
-  u8 *testdump = memalign(32,0x400000);
-  if(!testdump) return 0;
 
-  /*if (!fatInitDefault())
+  for (;;)
   {
     printmain();
-    fatalError("ERROR: No usable device found to write dumped files to!");
-  }
 
-  mkdir("/dumps", S_IREAD | S_IWRITE);
-  if (!dirExists("/dumps"))
-  {
-    printmain();
-    fatalError("ERROR: Could not create dumps folder, make sure you have a supported device connected!");
-  }*/
-
-  int i;
-  while(1)
-  {
-    printmain();
-                
                 printf("Press A to begin, press Start to quit.\n");
                 if (waitForButtons(PAD_BUTTON_A | PAD_BUTTON_START) & PAD_BUTTON_START)
                 {
                         endproc();
                 }
-                
+
     printf("Waiting for a GBA in port 2...\n");
     resval = 0;
 
@@ -401,63 +307,86 @@ int main(int argc, char *argv[])
 
     if (resval & SI_GBA)
     {
-                        printf("GBA Found! Waiting on BIOS\n");
+      printf("GBA Found! Waiting on BIOS\n");
+
                         resbuf[2]=0;
-                        //u32 oldresult = 0;
-                        //u32 newresult = 0;
+
                         // wait for the BIOS to hand over to the game
-                        do {
+                        do
+                        {
                                 doreset();
-
                         } while (!(resbuf[1] > 4));
+
                         printf("BIOS handed over to game, waiting on game\n");
+
                         do
                         {
                                 doreset();
-                        } while((resbuf[0] != 0) || !(resbuf[2]&0x10));
+                        } while ((resbuf[0] != 0) || !(resbuf[2] & 0x10));
+
                         // receive the game-code from GBA side.
                         u32 gamecode = recv();
+
                         printf("Ready, sending multiboot ROM\n");
+
                         unsigned int sendsize = ((gba_mb_gba_size+7)&~7);
+
                         // generate KeyA
                         unsigned int ourkey = genKeyA();
+
                         //printf("Our Key: %08x\n", ourkey);
-                        printf("Sending game code that we got: 0x%08lx\n",__builtin_bswap32(gamecode));
+                        printf("Sending game code that we got: 0x%08lx\n",
+                                __builtin_bswap32(gamecode));
+
                         // send the game code back, then KeyA.
                         send(__builtin_bswap32(gamecode));
                         send(ourkey);
-                        // get KeyB from GBA, check it to make sure its valid, then xor with KeyA to derive the initial CRC value and the sessionkey.
+
+                        // get KeyB from GBA, check it to make sure its valid, then xor with KeyA
+                        // to derive the initial CRC value and the sessionkey.
                         u32 sessionkeyraw = 0;
-                        do {
+                        do
+                        {
                                 sessionkeyraw = recv();
                         } while (sessionkeyraw == gamecode);
+
                         sessionkeyraw = checkKeyB(__builtin_bswap32(sessionkeyraw));
                         if (sessionkeyraw == 0)
                         {
                                 warnError("Cannot continue.\n");
-                                
+
                                 continue;
                         }
-                        
+
                         u32 sessionkey = sessionkeyraw ^ ourkey;
                         u32 kcrc = sessionkey;
                         printf("start kCRC=%08lx\n",kcrc);
+
                         sessionkey = (sessionkey*0x6177614b)+1;
+
                         // send hacked up send-size in uint32s
                         u32 hackedupsize = (sendsize >> 3) - 1;
+
                         printf("Sending hacked up size 0x%08lx\n",hackedupsize);
                         send(hackedupsize);
+
                         //unsigned int fcrc = 0x00bb;
-                        // send over multiboot binary header, in the clear until the end of the nintendo logo.
-                        // GBA checks this, if nintendo logo does not match the one in currently inserted cart's ROM, it will not accept any more data.
-                        for(i = 0; i < 0xA0; i+=4) {
+                        // send over multiboot binary header, in the clear until the end of the
+                        // nintendo logo. GBA checks this, if nintendo logo does not match the
+                        // one in currently inserted cart's ROM, it will not accept any more data.
+                        for (int i = 0; i < 0xA0; i+=4)
+                        {
                                 vu32 rom_dword = *(vu32*)(gba_mb_gba+i);
                                 send(__builtin_bswap32(rom_dword));
                         }
+
                         printf("\n");
                         printf("Header done! Sending ROM...\n");
-                        // Add each uint32 of the multiboot image to the checksum, encrypt the uint32 with the session key, increment the session key, send the encrypted uint32.
-                        for(i = 0xA0; i < sendsize; i+=4)
+
+                        // Add each uint32 of the multiboot image to the checksum, encrypt the
+                        // uint32 with the session key, increment the session key, send the
+                        // encrypted uint32.
+                        for (int i = 0xA0; i < sendsize; i+=4)
                         {
                                 u32 dec = (
                                         (((gba_mb_gba[i+3]) << 24) & 0xff000000) |
@@ -465,490 +394,136 @@ int main(int argc, char *argv[])
                                         (((gba_mb_gba[i+1]) << 8)  & 0x0000ff00) |
                                         (((gba_mb_gba[i])   << 0)  & 0x000000ff)
                                 );
+
                                 u32 enc = (dec - kcrc) ^ sessionkey;
-                                kcrc=docrc(kcrc,dec);
-                                sessionkey = (sessionkey*0x6177614B)+1;
+                                kcrc = docrc(kcrc,dec);
+                                sessionkey = (sessionkey * 0x6177614B) + 1;
                                 //enc^=((~(i+(0x20<<20)))+1);
                                 //enc^=0x6f646573;//0x20796220;
+
                                 send(enc);
                         }
+
                         //fcrc |= (sendsize<<16);
                         printf("ROM done! CRC: %08lx\n", kcrc);
                         //get crc back (unused)
+
                         // Get KeyC derivation material from GBA (eventually)
                         u32 keyCderive = 0;
-                        do {
+                        do
+                        {
                                 keyCderive = recv();
                         } while (keyCderive <= 0xfeffffff);
+
                         keyCderive = __builtin_bswap32(keyCderive);
                         keyCderive >>= 8;
-                        printf("KeyC derivation material: %08lx\n",keyCderive);
 
-                        // (try to) find the KeyC, using the checksum of the multiboot image, and the derivation material that GBA sent to us
+                        printf("KeyC derivation material: %08lx\n",keyCderive);
 
+                        // (try to) find the KeyC, using the checksum of the multiboot image, and
+                        // the derivation material that GBA sent to us
                         u32 keyc = deriveKeyC(keyCderive,kcrc);
                         if (keyc == 0)
-                                {
-                                        printf("Could not find keyC - kcrc=0x%08lx\n",kcrc);
-                                        warnError("Cannot continue.\n");
-                                        continue;
-                                }
+                        {
+                                printf("Could not find keyC - kcrc=0x%08lx\n",kcrc);
+        warnError("Cannot continue.\n");
 
-                        // derive the boot key from the found KeyC, and send to GBA. if this is not correct, GBA will not jump to the multiboot image it was sent.
+                                continue;
+                        }
+
+                        // derive the boot key from the found KeyC, and send to GBA. if this is
+      // not correct, GBA will not jump to the multiboot image it was sent.
                         u32 bootkey = docrc(0xBB,keyc) | 0xbb000000;
                         printf("BootKey = 0x%08lx\n",bootkey);
-                        send(bootkey);
-                        /*
-      printf("GBA Found! Waiting on BIOS...\n");
 
-      resbuf[2]=0;
-      while (!(resbuf[2] & 0x10))
-      {
-        doreset();
-        getstatus();
-      }
+                        send(bootkey);
+                        sleep(2);
 
-      printf("Ready, sending extractor.\n");
+                        printf("Waiting for GBA...\n");
+                        while (recv() != 0) {sleep(1);};
+                        send(0);
 
-      unsigned int sendsize = ((gba_mb_gba_size + 7) & ~7);
-      unsigned int ourkey = calckey(sendsize);
+      VIDEO_WaitVSync();
 
-      //get current sessionkey
-      u32 sessionkeyraw = recv();
-      u32 sessionkey = __builtin_bswap32(sessionkeyraw ^ 0x7365646F);
+      // Get game
+      // -1 - unsupported game
+      //  1 - Ruby
+      //  2 - Sapphire
+      //  3 - FireRed
+      //  4 - LeafGreen
+      //  5 - Emerald
+      u32 gameId = getMsg();
+      if (gameId == -1)
+      {
+        warnError("ERROR: Unsupported GBA game inserted!\n");
 
-      //send over our own key
-      send(__builtin_bswap32(ourkey));
-      unsigned int fcrc = 0x15a0;
+        continue;
+      }
 
-      //send over gba header
-      for(i = 0; i < 0xC0; i+=4)
+      printf("\nPokemon ");
+      switch (gameId)
       {
-        send(__builtin_bswap32(*(vu32*)(gba_mb_gba+i)));
+        case 1: printf("Ruby"); break;
+        case 2: printf("Sapphire"); break;
+        case 3: printf("FireRed"); break;
+        case 4: printf("LeafGreen"); break;
+        case 5: printf("Emerald"); break;
       }
 
-      for (i = 0xC0; i < sendsize; i+=4)
+      printf("\n");
+                        VIDEO_WaitVSync();
+
+                        u32 isValid = getMsg();
+      if (isValid == -1)
       {
-        u32 enc = (
-            (gba_mb_gba[i+3] << 24)
-          | (gba_mb_gba[i+2] << 16)
-          | (gba_mb_gba[i+1] << 8)
-          | (gba_mb_gba[i]));
-
-        fcrc = docrc(fcrc,enc);
-        sessionkey = (sessionkey * 0x6177614B) + 1;
-        enc ^= sessionkey;
-        enc ^= ((~(i + (0x20 << 20))) + 1);
-        enc ^= 0x20796220;
-
-        send(enc);
-      }
+        warnError("ERROR: Unsupported game version inserted!\n");
 
-      fcrc |= (sendsize<<16);
+        continue;
+      }
 
-      //send over CRC
-      sessionkey = (sessionkey * 0x6177614B) + 1;
-      fcrc ^= sessionkey;
-      fcrc ^= ((~(i + (0x20 << 20))) + 1);
-      fcrc ^= 0x20796220;
+      // Get trainer name
+      u8 trainerName[8];
 
-      send(fcrc);
+      u32 tnd = getMsg();
+      trainerName[0] = (tnd & 0xFF000000) >> 24;
+      trainerName[1] = (tnd & 0x00FF0000) >> 16;
+      trainerName[2] = (tnd & 0x0000FF00) >> 8;
+      trainerName[3] = (tnd & 0x000000FF);
 
-      //get crc back (unused)
-      recv();
-      printf("Done!\n");
-      sleep(2);
+      tnd = getMsg();
+      trainerName[4] = (tnd & 0xFF000000) >> 24;
+      trainerName[5] = (tnd & 0x00FF0000) >> 16;
+      trainerName[6] = (tnd & 0x0000FF00) >> 8;
+      trainerName[7] = (tnd & 0x000000FF);
 
-      //hm
-      while (1)
-      {
-        printmain();
-        printf("Press A once you have a GBA Game inserted.\n \n");
+      // Get trainer ID
+      u32 trainerId = getMsg();
 
-        PAD_ScanPads();
-        VIDEO_WaitVSync();
-        u32 btns = PAD_ButtonsDown(0);
-        if (btns & PAD_BUTTON_START)
-        {
-          endproc();
-        } else if (btns & PAD_BUTTON_A)
-        {*/
-                        sleep(2);
-                                                //recv();
-                        
-                        //if (recv() == 0) //ready
-          //{
-                        {{
-            printf("Waiting for GBA...\n");
-                                                while (recv() != 0) {fsleep(1);};
-                                                send(0);
-
-            VIDEO_WaitVSync();
-
-            /*int gbasize = 0;
-            while(gbasize == 0)
-            {
-              gbasize = __builtin_bswap32(recv());
-            }
-
-            send(0); //got gbasize
-                                                while (recv()!=0) {sleep(1);};
-
-            //u32 savesize = __builtin_bswap32(recv());
-            //send(0); //got savesize
-
-            if (gbasize == -1)
-            {
-              warnError("ERROR: No (Valid) GBA Card inserted!\n");
-
-              continue;
-            }*/
-
-            // Get game
-            // -1 - unsupported game
-            // 1 - Ruby
-            // 2 - Sapphire
-            // 3 - FireRed
-            // 4 - LeafGreen
-            // 5 - Emerald
-            u32 gameId = 0;
-                                                while (gameId == 0)
-                                                {
-                                                        gameId = __builtin_bswap32(recv());
-                                                        fsleep(1);
-                                                }
-                                                
-            send(0);
-                                                while (recv()!=0) {fsleep(1);};
-                                                send(0);
-                                                //sleep(1);
-
-            if (gameId == -1)
-            {
-              warnError("ERROR: Unsupported GBA game inserted!\n");
-
-              continue;
-            }
-
-            printf("\nPokemon ");
-            switch (gameId)
-            {
-              case 1: printf("Ruby"); break;
-              case 2: printf("Sapphire"); break;
-              case 3: printf("FireRed"); break;
-              case 4: printf("LeafGreen"); break;
-              case 5: printf("Emerald"); break;
-            }
-
-            printf("\n");
-                                                VIDEO_WaitVSync();
-
-                                                u32 isValid = 0;
-                                                while (isValid == 0)
-                                                {
-                                                        isValid = __builtin_bswap32(recv());
-                                                        fsleep(1);
-                                                }
-                                                
-            if (isValid == -1)
-            {
-              //send(0);
-
-              warnError("ERROR: Unsupported game version inserted!\n");
-
-              continue;
-            }
-
-            send(0);
-                                                while (recv()!=0) {fsleep(1);};
-                                                send(0);
-                                                //sleep(1);
-                                                
-            // Get trainer name
-            u8 trainerName[8];
-
-            u32 tnd = getMsg();
-            //send(0);
-            trainerName[0] = (tnd & 0xFF000000) >> 24;
-            trainerName[1] = (tnd & 0x00FF0000) >> 16;
-            trainerName[2] = (tnd & 0x0000FF00) >> 8;
-            trainerName[3] = (tnd & 0x000000FF);
-
-            tnd = getMsg();
-            //send(0);
-            trainerName[4] = (tnd & 0xFF000000) >> 24;
-            trainerName[5] = (tnd & 0x00FF0000) >> 16;
-            trainerName[6] = (tnd & 0x0000FF00) >> 8;
-            trainerName[7] = (tnd & 0x000000FF);
-                                                
-            // Get trainer ID
-            u32 trainerId = 0;
-                                                while (trainerId == 0)
-                                                {
-                                                        trainerId = __builtin_bswap32(recv());
-                                                        fsleep(1);
-                                                }
-            send(0);
-                                                while (recv()!=0) {fsleep(1);};
-                                                send(0);
-                                                //sleep(1);
-                                                
-            printf("Trainer: ");
-                                                
-                                                for (int i = 0; i < 8; i++)
-                                                {
-                                                        if (trainerName[i] == 0xFF)
-                                                        {
-                                                                break;
-                                                        } else {
-                                                                printf("%c", debugGen3Decode(trainerName[i]));
-                                                        }
-                                                }
-
-            printf(" (%ld)\n", trainerId);
-
-            //continue;
-
-            // Wait for confirmation.
-            printf("Press A to import the data from this game.\n");
-            printf("Press B to cancel.\n");
-                                                VIDEO_WaitVSync();
-
-            if (waitForButtons(PAD_BUTTON_A | PAD_BUTTON_B) & PAD_BUTTON_B)
-            {
-              continue;
-            }
+      printf("Trainer: ");
 
+                        for (int i = 0; i < 8; i++)
+                        {
+                                if (trainerName[i] == 0xFF)
+                                {
+                                        break;
+                                } else {
+                                        printf("%c", debugGen3Decode(trainerName[i]));
+                                }
+                        }
 
+      printf(" (%ld)\n", trainerId);
 
+      // Wait for confirmation.
+      printf("Press A to import the data from this game.\n");
+      printf("Press B to cancel.\n");
+                        VIDEO_WaitVSync();
 
-/*
-            //get rom header
-            for(i = 0; i < 0xC0; i+=4)
-              *(vu32*)(testdump+i) = recv();
-            //print out all the info from the  game
-            printf("Game Name: %.12s\n",(char*)(testdump+0xA0));
-            printf("Game ID: %.4s\n",(char*)(testdump+0xAC));
-            printf("Company ID: %.2s\n",(char*)(testdump+0xB0));
-            printf("ROM Size: %02.02f MB\n",((float)(gbasize/1024))/1024.f);
-            if(savesize > 0)
-              printf("Save Size: %02.02f KB\n \n",((float)(savesize))/1024.f);
-            else
-              printf("No Save File\n \n");
-            //generate file paths
-            char gamename[64];
-            sprintf(gamename,"/dumps/%.12s [%.4s%.2s].gba",
-                (char*)(testdump+0xA0),(char*)(testdump+0xAC),(char*)(testdump+0xB0));
-            fixFName(gamename+7); //fix name behind "/dumps/"
-            char savename[64];
-            sprintf(savename,"/dumps/%.12s [%.4s%.2s].sav",
-                (char*)(testdump+0xA0),(char*)(testdump+0xAC),(char*)(testdump+0xB0));
-            fixFName(savename+7); //fix name behind "/dumps/"
-            //let the user choose the option
-            printf("Press A to dump this game, it will take about %i minutes.\n",gbasize/1024/1024*3/2);
-            printf("Press B if you want to cancel dumping this game.\n");
-            if(savesize > 0)
-            {
-              printf("Press Y to backup this save file.\n");
-              printf("Press X to restore this save file.\n");
-              printf("Press Z to clear the save file on the GBA Cartridge.\n\n");
-            }
-            else
-              printf("\n");
-
-            int command = 0;
-            while(1)
-            {
-              PAD_ScanPads();
-              VIDEO_WaitVSync();
-              u32 btns = PAD_ButtonsDown(0);
-              if(btns&PAD_BUTTON_START)
-                endproc();
-              else if(btns&PAD_BUTTON_A)
-              {
-                command = 1;
-                break;
-              }
-              else if(btns&PAD_BUTTON_B)
-                break;
-              else if(savesize > 0)
-              {
-                if(btns&PAD_BUTTON_Y)
-                {
-                  command = 2;
-                  break;
-                }
-                else if(btns&PAD_BUTTON_X)
-                {
-                  command = 3;
-                  break;
-                }
-                else if(btns&PAD_TRIGGER_Z)
-                {
-                  command = 4;
-                  break;
-                }
-              }
-            }
-            if(command == 1)
-            {
-              FILE *f = fopen(gamename,"rb");
-              if(f)
-              {
-                fclose(f);
-                command = 0;
-                warnError("ERROR: Game already dumped!\n");
-              }
-            }
-            else if(command == 2)
-            {
-              FILE *f = fopen(savename,"rb");
-              if(f)
-              {
-                fclose(f);
-                command = 0;
-                warnError("ERROR: Save already backed up!\n");
-              }
-            }
-            else if(command == 3)
-            {
-              size_t readsize = 0;
-              FILE *f = fopen(savename,"rb");
-              if(f)
-              {
-                fseek(f,0,SEEK_END);
-                readsize = ftell(f);
-                if(readsize != savesize)
-                {
-                  command = 0;
-                  warnError("ERROR: Save has the wrong size, aborting restore!\n");
-                }
-                else
-                {
-                  rewind(f);
-                  fread(testdump,readsize,1,f);
-                }
-                fclose(f);
-              }
-              else
-              {
-                command = 0;
-                warnError("ERROR: No Save to restore!\n");
-              }
-            }
-            send(command);
-            //let gba prepare
-            sleep(1);
-            if(command == 0)
-              continue;
-            else if(command == 1)
-            {
-              //create base file with size
-              printf("Preparing file...\n");
-              createFile(gamename,gbasize);
-              FILE *f = fopen(gamename,"wb");
-              if(!f)
-                fatalError("ERROR: Could not create file! Exit...");
-              printf("Dumping...\n");
-              u32 bytes_read = 0;
-              while(gbasize > 0)
-              {
-                int toread = (gbasize > 0x400000 ? 0x400000 : gbasize);
-                int j;
-                for(j = 0; j < toread; j+=4)
-                {
-                  *(vu32*)(testdump+j) = recv();
-                  bytes_read+=4;
-                  if((bytes_read&0xFFFF) == 0)
-                    printf("\r%02.02f MB done",(float)(bytes_read/1024)/1024.f);
-                }
-                fwrite(testdump,toread,1,f);
-                gbasize -= toread;
-              }
-              printf("\nClosing file\n");
-              fclose(f);
-              printf("Game dumped!\n");
-              sleep(5);
-            }
-            else if(command == 2)
-            {
-              //create base file with size
-              printf("Preparing file...\n");
-              createFile(savename,savesize);
-              FILE *f = fopen(savename,"wb");
-              if(!f)
-                fatalError("ERROR: Could not create file! Exit...");
-              printf("Waiting for GBA\n");
-              VIDEO_WaitVSync();
-              u32 readval = 0;
-              while(readval != savesize)
-                readval = __builtin_bswap32(recv());
-              send(0); //got savesize
-              printf("Receiving...\n");
-              for(i = 0; i < savesize; i+=4)
-                *(vu32*)(testdump+i) = recv();
-              printf("Writing save...\n");
-              fwrite(testdump,savesize,1,f);
-              fclose(f);
-              printf("Save backed up!\n");
-              sleep(5);
-            }
-            else if(command == 3 || command == 4)
-            {
-              u32 readval = 0;
-              while(readval != savesize)
-                readval = __builtin_bswap32(recv());
-              if(command == 3)
-              {
-                printf("Sending save\n");
-                VIDEO_WaitVSync();
-                for(i = 0; i < savesize; i+=4)
-                  send(__builtin_bswap32(*(vu32*)(testdump+i)));
-              }
-              printf("Waiting for GBA\n");
-              while(recv() != 0)
-                VIDEO_WaitVSync();
-              printf(command == 3 ? "Save restored!\n" : "Save cleared!\n");
-              send(0);
-              sleep(5);
-            }*/
-          }
-        }
-        /*else if(btns&PAD_BUTTON_Y)
-        {
-          const char *biosname = "/dumps/gba_bios.bin";
-          FILE *f = fopen(biosname,"rb");
-          if(f)
-          {
-            fclose(f);
-            warnError("ERROR: BIOS already backed up!\n");
-          }
-          else
-          {
-            //create base file with size
-            printf("Preparing file...\n");
-            createFile(biosname,0x4000);
-            f = fopen(biosname,"wb");
-            if(!f)
-              fatalError("ERROR: Could not create file! Exit...");
-            //send over bios dump command
-            send(5);
-            //the gba might still be in a loop itself
-            sleep(1);
-            //lets go!
-            printf("Dumping...\n");
-            for(i = 0; i < 0x4000; i+=4)
-              *(vu32*)(testdump+i) = recv();
-            fwrite(testdump,0x4000,1,f);
-            printf("Closing file\n");
-            fclose(f);
-            printf("BIOS dumped!\n");
-            sleep(5);
-          }
-        }*/
-                                      }
-//                                                        }
-//                                                                }
+      if (waitForButtons(PAD_BUTTON_A | PAD_BUTTON_B) & PAD_BUTTON_B)
+      {
+        continue;
+      }
+    }
   }
+
   return 0;
 }