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gregf |
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Ramtek's Trivia promoter
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Reged: 09/21/03
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Posts: 8583
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Loc: southern CA, US
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Re: Fixing a DECO Burgertime - can MAME DECO cas files be converted back to audio?
01/19/16 11:24 PM
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>bought a deco burgertime and found a link to this old discussion. Does anyone have any
>updates on the availability of deco cassettes? Any info would be greatly appreciated.
I am not sure if any kits as described by Crazy Otto have been on the market since the last post shown is 2011/2012.
Besides the cassette, the specific dongle for the game is also needed, either Burger Time or Hamburger dongle can only be used with your cab.
--
src/mame/drivers/decocass.cpp
use Dongle Type 3
/* 26 Hamburger / Burger Time */
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Charles MacDonald did do some research on the cassette hardware a few years earlier.
http://www.techno-junk.org/
http://dreamjam.co.uk/emuviews/old2012.php
News (7/7)
DECO Games
Quite a lot of progress has been made with the Data East cassette system dumping efforts. Many different dongle types have been examined and supported, and currently all known dongle types can be dumped. Software has been developed to extract the PROM data out of dongle dumps and to perform detailed analysis of the decryption features of various dongles, and to determine internal jumper settings to see how a dongle is configured without even opening it up. A few games have been added to MAME recently and it's likely there will be more additions in the future, as we keep finding tapes and dongles to dump from generous donors.
Old News (2/5)
The Data East cassette system uses a security dongle that is unique to each game. This prevents operators from duplicating a game simply by copying the audio data from a game cassette to a blank tape. There are several types of basic dongle designs, and each one has data that is specific to a particular game.
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The ideal goal, if even possible, is if the captured tape data can be rewritten to a blank tape. Maybe not possible when seeing how the data on the tapes is arranged. See Charles pages for details and also the source in MAME.
iirc these tapes might be a non-standard size and were only made for Deco cassette cabs which is why I can see the replacement kits that were described by Crazy Otto were popular and maybe hard-to-find these days.
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Re: Fixing a DECO Burgertime - can MAME DECO cas files be converted back to audio?
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