Создать ответ 
 
Рейтинг темы:
  • Голосов: 0 - Средняя оценка: 0
  • 1
  • 2
  • 3
  • 4
  • 5
Making Dreamcast GDROM dumps with 3 data tracks and raw audio smaller
Автор Сообщение
tossEAC Не на форуме
Новичок
*

Сообщений: 7
Зарегистрирован: 30.03.2017
Рейтинг: 0
Сказал спасибо: 0
Поблагодарили 8 раз(а) в 4 сообщ.
Сообщение: #1
Making Dreamcast GDROM dumps with 3 data tracks and raw audio smaller
Here is a method to compress multi track dreamcast games, to shrink the size.

So you have a game with a Track03 then some Audio and a final Data Track. Often Track03 is pretty big. Well here is a way to shrink your multi track games.

First optimize your gdi dump, this converts 2352 to 2048, and reduces size a bit.

So here is the trick, Trac03.iso if you look at it is 99% blank basically a dummy file.

I found out some of the track03.iso files do have some data past the first few hundred sectors, often their is a bit of data at the end of track03 as well, so here is the trick (I use Total Commander to do it).

What you do is this.

I create an empty folder and call it track03 split. Then split track03, using Total Commander into pieces with a file size of 1048576, then I search the folder for duplicate files with the same size and same contents, it will find all the files the exactly the same and send it to your list box, you then delete all those files, then go to your track03 split folder and see what's left, usually it leaves the first file and a couple at the end, be sure to delete the crc file it creates, then just rename the extensions so they are continuous 001, 002, 003 etc... etc. and then join the files into a track03 again then add the iso extension.

What you have then is a smaller track03.iso, something like 2-3 megabytes.

I did find one game that their was a load of data in track03, so I left this game as it was, I think it was Conflict Zone (Europe), but apart from that game, nearly all the others I have done work great, and they all work fine.

Then just run the multi track gdi game with your stripped Track03.iso.

Its not actually compression but its the next best thing.

Here is a link to some Track03.iso files I have already shrunk, if anyone wants to use them make sure the other Tracks you use are from the same game.

The rar contains 39 Track03.iso files all reduced in size...

https://mega.nz/#!Fs4hQJAI!Nfs8DOvOyDDJh...PuDOJeRR5s
03.04.2017 17:59
Найти все сообщения Цитировать это сообщение
 Сказали спасибо: Gillbert
Создать ответ 


Похожие темы
Тема: Автор Ответов: Просмотров: Посл. сообщение
  Scumm SaveGames Dreamcast aldair 0 163 15.01.2020 09:06
Посл. сообщение: aldair
  USB Modem Voltage Inducer for Dreamcast aldair 0 400 08.01.2020 19:12
Посл. сообщение: aldair
  Sega Smash Pack Echelon loader Dreamcast aldair 0 282 07.12.2019 19:49
Посл. сообщение: aldair
  Homebrew Games in HD IDE Dreamshell / Dreamcast aldair 0 507 25.11.2019 21:39
Посл. сообщение: aldair
  GDEMU Install: Dreamcast VA0 aldair 4 2265 18.11.2019 16:15
Посл. сообщение: megavolt85
  Extracting Game Videos from Dreamcast v3.2 aldair 0 342 16.11.2019 08:44
Посл. сообщение: aldair
  Breakers EXTRA MODE Dreamcast aldair 0 584 26.10.2019 21:31
Посл. сообщение: aldair
  Simple method for run homebrew on dreamshell(ide)Dreamcast aldair 1 555 24.10.2019 07:11
Посл. сообщение: EduardoKmus
  Breakers Revenge Dreamcast/Now running at 60fps! No audio. aldair 0 484 05.10.2019 04:27
Посл. сообщение: aldair
  VMU MANAGER: Only DUMP_VMU Works on RC3 / Dreamcast aldair 3 737 08.09.2019 20:28
Посл. сообщение: megavolt85

Переход:


Пользователи просматривают эту тему: 1 Гость(ей)