added experimental save support (only tested with EEPROM)

1 files changed, 180 insertions, 51 deletions

@@ -23,7 +23,8 @@ void printmain()
 {
         printf("\x1b[2J");
         printf("\x1b[37m");
-        printf("GBA Link Cable Dumper v1.0 by FIX94\n");
+        printf("GBA Link Cable Dumper v1.1 by FIX94\n");
+        printf("Save Support based on SendSave by Chishm\n");
 }
 
 u8 *resbuf,*cmdbuf;
@@ -299,9 +300,17 @@ int main(int argc, char *argv[])
                                 {
                                         if(recvsafe() == 0) //ready
                                         {
-                                                sleep(1); //gba rom prepare
-                                                u32 gbasize = __builtin_bswap32(recvsafe());
-                                                if(gbasize == 0) 
+                                                printf("Waiting for GBA\n");
+                                                VIDEO_WaitVSync();
+                                                int gbasize = 0;
+                                                while(gbasize == 0)
+                                                        gbasize = __builtin_bswap32(recvsafe());
+                                                sendsafe(0); //got gbasize
+                                                usleep(5000); //wait for it to set next val
+                                                u32 savesize = __builtin_bswap32(recvsafe());
+                                                sendsafe(0); //got savesize
+                                                usleep(5000); //wait for it to set next val
+                                                if(gbasize == -1) 
                                                 {
                                                         printf("ERROR: No (Valid) GBA Card inserted!\n");
                                                         VIDEO_WaitVSync();
@@ -309,29 +318,36 @@ int main(int argc, char *argv[])
                                                         sleep(2);
                                                         continue;
                                                 }
+                                                //get rom header
                                                 for(i = 0; i < 0xC0; i+=4)
                                                         *(vu32*)(testdump+i) = recvfast();
+                                                //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 \n",((float)(gbasize/1024))/1024.f);
+                                                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));
-                                                FILE *f = fopen(gamename,"rb");
-                                                if(f)
+                                                char savename[64];
+                                                sprintf(savename,"/dumps/%.12s [%.4s%.2s].sav",
+                                                        (char*)(testdump+0xA0),(char*)(testdump+0xAC),(char*)(testdump+0xB0));
+                                                //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)
                                                 {
-                                                        fclose(f);
-                                                        sendsafe(0);
-                                                        printf("ERROR: Game already dumped! Please insert another game.\n");
-                                                        VIDEO_WaitVSync();
-                                                        VIDEO_WaitVSync();
-                                                        sleep(2);
-                                                        continue;
+                                                        printf("Press Y to backup this save file.\n");
+                                                        printf("Press X to restore this save file.\n\n");
                                                 }
-                                                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\n");
-                                                int dumping = 0;
+                                                else
+                                                        printf("\n");
+                                                int command = 0;
                                                 while(1)
                                                 {
                                                         PAD_ScanPads();
@@ -341,56 +357,169 @@ int main(int argc, char *argv[])
                                                                 endproc();
                                                         else if(btns&PAD_BUTTON_A)
                                                         {
-                                                                dumping = 1;
+                                                                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;
+                                                                }
+                                                        }
                                                 }
-                                                sendsafe(dumping);
-                                                if(dumping == 0)
-                                                        continue;
-                                                //create base file with size
-                                                printf("Creating file...\n");
-                                                int fd = open(gamename, O_WRONLY|O_CREAT);
-                                                if(fd >= 0)
+                                                if(command == 1)
                                                 {
-                                                        ftruncate(fd, gbasize);
-                                                        close(fd);
+                                                        FILE *f = fopen(gamename,"rb");
+                                                        if(f)
+                                                        {
+                                                                fclose(f);
+                                                                command = 0;
+                                                                printf("ERROR: Game already dumped!\n");
+                                                                VIDEO_WaitVSync();
+                                                                sleep(2);
+                                                        }
                                                 }
-                                                f = fopen(gamename,"wb");
-                                                if(!f)
+                                                else if(command == 2)
                                                 {
-                                                        printf("ERROR: Could not create file! Exit...\n");
-                                                        VIDEO_WaitVSync();
-                                                        VIDEO_WaitVSync();
-                                                        sleep(5);
-                                                        exit(0);
+                                                        FILE *f = fopen(savename,"rb");
+                                                        if(f)
+                                                        {
+                                                                fclose(f);
+                                                                command = 0;
+                                                                printf("ERROR: Save already backed up!\n");
+                                                                VIDEO_WaitVSync();
+                                                                sleep(2);
+                                                        }
                                                 }
-                                                printf("Dumping...\n");
-                                                u32 bytes_read = 0;
-                                                while(gbasize > 0)
+                                                else if(command == 3)
                                                 {
-                                                        int toread = (gbasize > 0x400000 ? 0x400000 : gbasize);
-                                                        int j;
-                                                        for(j = 0; j < toread; j+=4)
+                                                        size_t readsize = 0;
+                                                        FILE *f = fopen(savename,"rb");
+                                                        if(f)
                                                         {
-                                                                *(vu32*)(testdump+j) = recvfast();
-                                                                bytes_read+=4;
-                                                                if((bytes_read&0xFFFF) == 0)
+                                                                fseek(f,0,SEEK_END);
+                                                                readsize = ftell(f);
+                                                                if(readsize != savesize)
                                                                 {
-                                                                        printf("\r%02.02f MB done",(float)(bytes_read/1024)/1024.f);
+                                                                        command = 0;
+                                                                        printf("ERROR: Save has the wrong size, aborting restore!\n");
                                                                         VIDEO_WaitVSync();
+                                                                        sleep(2);
+                                                                }
+                                                                else
+                                                                {
+                                                                        rewind(f);
+                                                                        fread(testdump,readsize,1,f);
+                                                                }
+                                                                fclose(f);
+                                                        }
+                                                        else
+                                                        {
+                                                                command = 0;
+                                                                printf("ERROR: No Save to restore!\n");
+                                                                VIDEO_WaitVSync();
+                                                                sleep(2);
+                                                        }
+                                                }
+                                                sendsafe(command);
+                                                usleep(5000); //wait for it to set next val
+                                                if(command == 0)
+                                                        continue;
+                                                else if(command == 1)
+                                                {
+                                                        //create base file with size
+                                                        printf("Creating file...\n");
+                                                        int fd = open(gamename, O_WRONLY|O_CREAT);
+                                                        if(fd >= 0)
+                                                        {
+                                                                ftruncate(fd, gbasize);
+                                                                close(fd);
+                                                        }
+                                                        FILE *f = fopen(gamename,"wb");
+                                                        if(!f)
+                                                        {
+                                                                printf("ERROR: Could not create file! Exit...\n");
+                                                                VIDEO_WaitVSync();
+                                                                VIDEO_WaitVSync();
+                                                                sleep(5);
+                                                                exit(0);
+                                                        }
+                                                        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) = recvfast();
+                                                                        bytes_read+=4;
+                                                                        if((bytes_read&0xFFFF) == 0)
+                                                                        {
+                                                                                printf("\r%02.02f MB done",(float)(bytes_read/1024)/1024.f);
+                                                                                VIDEO_WaitVSync();
+                                                                        }
                                                                 }
-                                                                //printf("%02x%02x%02x%02x",resbuf[0],resbuf[1],resbuf[2],resbuf[3]);
+                                                                fwrite(testdump,toread,1,f);
+                                                                gbasize -= toread;
+                                                        }
+                                                        printf("\nClosing file\n");
+                                                        fclose(f);
+                                                        printf("Game dumped!\n");
+                                                        sleep(5);
+                                                }
+                                                else if(command == 2)
+                                                {
+                                                        FILE *f = fopen(savename,"wb");
+                                                        if(!f)
+                                                        {
+                                                                printf("ERROR: Could not create file! Exit...\n");
+                                                                VIDEO_WaitVSync();
+                                                                VIDEO_WaitVSync();
+                                                                sleep(5);
+                                                                exit(0);
                                                         }
-                                                        fwrite(testdump,toread,1,f);
-                                                        gbasize -= toread;
+                                                        printf("Waiting for GBA\n");
+                                                        VIDEO_WaitVSync();
+                                                        u32 readval = 0;
+                                                        while(readval != savesize)
+                                                                readval = __builtin_bswap32(recvsafe());
+                                                        sendsafe(0); //got savesize
+                                                        usleep(5000); //wait for it to set next val
+                                                        printf("Receiving...\n");
+                                                        for(i = 0; i < savesize; i+=4)
+                                                                *(vu32*)(testdump+i) = recvsafe();
+                                                        printf("Writing save...\n");
+                                                        fwrite(testdump,savesize,1,f);
+                                                        fclose(f);
+                                                        printf("Save backed up!\n");
+                                                        sleep(5);
+                                                }
+                                                else if(command == 3)
+                                                {
+                                                        printf("Sending save\n");
+                                                        VIDEO_WaitVSync();
+                                                        u32 readval = 0;
+                                                        while(readval != savesize)
+                                                                readval = __builtin_bswap32(recvsafe());
+                                                        for(i = 0; i < savesize; i+=4)
+                                                                sendsafe(__builtin_bswap32(*(vu32*)(testdump+i)));
+                                                        printf("Waiting for GBA\n");
+                                                        while(recvsafe() != 0)
+                                                                VIDEO_WaitVSync();
+                                                        printf("Save restored!\n");
+                                                        sendsafe(0);
+                                                        sleep(5);
                                                 }
-                                                printf("\nClosing file\n");
-                                                fclose(f);
-                                                printf("Game dumped!\n");
-                                                sleep(5);
                                         }
                                 }
                         }