Difference between revisions of "Chrono Trigger"

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{{SNES| title = Chrono Trigger
        Provides Migration Path to Forthcoming CCITT 28.8 Kbps Standard
|image = [[Image:Chrono Trigger Title.PNG|center]]
|name = Chrono Trigger
|company = Square
|header = SWC
|bank = HiROM
|interleaved = No
|sram = 64 Kb
|type = Normal + Batt
|rom = 32 Mb
|country = USA
|romspeed = 120ns (FastROM)
|video = NTSC
|checksum = Good 0x788C
|crc32 = 2D206BF7
|game = Chrono Trigger
    SKOKIE, Ill. -- June 8, 1992 -- U.S. Robotics today announced an upgrade
{{Extensively Hacked|name=Chrono Trigger}}
program for the CCITT-proposed standard of 28.8 Kbps, previously referred to
as V.FAST.  The Courier V.32bis, Courier HST Dual Standard and Shared Access
Modem Sharing Kits are the products currently included in the program. Field
upgrades will be available for $299 as soon as the CCITT 28.8 Kbps draft
recommendation is completed. Official approval of the standard is not
expected until January, 1994.
    "The CCITT-proposed 28.8 Kbps standard won't be a reality for most
manufacturers until 1994," said Jonathan Zakin, U.S. Robotics executive vice
president, sales and marketing.  "By offering modems ready for 28.8 Kbps now,
we're providing insurance against technical obsolescence.  Customers can
purchase a Courier high-speed modem or Shared Access Modem Sharing Kit now
and take advantage of the most updated technology available. When the 28.8
Kbps standard becomes available later, they'll already have a cost-effective
upgrade option and won't have to re-invest in new equipment."
    "Key to the 28.8 Kbps program is the fact that the upgrade to the
Courier high-speed modems and Shared Access Modem Sharing Kits can be
completed by the end user at their worksite, which reduces their `down' time
and eliminates excess costs like shipping and handling," continued Zakin.
"You may hear about other 28.8 Kbps modems that are available now, but until
the standard is defined, no one knows what hardware will be needed to comply.
Our unique modem architecture makes future `field' upgrades a realistic and
simple procedure."
    Because of U. S. Robotics' advanced modular modem architecture, the
company's Courier V.32bis, Courier HST Dual Standard, and Shared Access modems
are readily upgradable to 28.8Kbps. The modems are made up of a motherboard and
a smaller daughterboard, which holds the modems' microprocessors and firmware.
The current, high-speed daughterboard can easily be replaced with a new board
containing the 28.8 Kbps CCITT standard.  U.S. Robotics is the only modem
manufacturer to implement this kind of flexible design.
    "In the CClTT, the previously called `V.FAST' standard has gained
universal support at the 28.8Kbps speed," said Dale Walsh, U.S. Robotics vice
president, advanced development and participant in the CCITT committee on the
28.8 Kbps standard, "This is how our modular architecture works. The data
pump (which executes the modulation and demodulation of the data), and the
key controller functions (which perform the data compression, error control
and the AT command set) are on one board, making upgrades simple. We can
easily make the data pump faster and upgrade the controller functions to keep
up with the new speed. It's all in just one small plug-in card."
    Because compatibility with CCITT standards is crucial, U.S. Robotics'
availability and implementation of the 28.8Kbps standard will depend on the
CClTT's progress.  At this time, the standard is expected to define a connect
speed of 28.8 Kbps, two times faster than V.32bis, the fastest CCITT
standard now available.
    U.S. Robotics is one of the first vendors to announce a program for
28.8Kbps compatibility.  The company has a history of industry "firsts,"
including the first CCITT V.32bis modem from a major manufacturer, the first
self-managing modem management system and the first portable CCITT V.32
    U.S. Robotics will upgrade any Modem Sharing Kit to 28.8Kbps. Current
Courier models, which have the smaller footprint and a higher, 57.6 Kbps DCE
to DTE (modem-to-computer) interface speed, are also upgradable. The
company's upgrade program does not include WorldPort and Sportster modems.
    U. S. Robotics Courier modems offer a wide range of features, including
fax, remote configuration, and synchronous capabilities. The Shared Access
Modem Sharing Kits, which began shipping in March, 1992, allow for the
pooling of modems on a LAN so that a LAN user can access them for dial-in or
dial-out communications.
    The following products will be upgradable to 28.8 Kbps:
  Courier V.32 bis, internal and external          (57,600 bps versions only)
  Courier HST Dual Standard, internal and external (57,600 bps versions only)
* [[Temporal Flux (utility)|Temporal Flux]], written using the Microsoft .NET framework, is the principal Chrono Trigger hacking utility. It is available at [http://geigercount.net/crypt/ Geiger's Crypt].  There are also a few hacking documents available there.
  Courier V.32 bis FAX, internal and external
* [[CTEP - Chrono Trigger Editor Companion (utility)]], Designed to be a companion to Geiger's/Evil Peer's Editor.  It edits some things his does not.  [http://www.blitzkrieg.finalconquest.net/ BlitzKrieg Innovations main site](formerly JCE3000GT-Soft)
  Courier HST Dual Standard FAX, internal and external
* [[Chronotools]], Translation utility. [http://bisqwit.iki.fi/source/chronotools.html Bisqwit's chronotools page]
  Shared Access Modem Sharing Kit Single Port and Dual Port
''See also:'' [[List of Chrono Trigger utilities]]
No complete hacks of Chrono Trigger are known.<br>
* Prior to Temporal Flux's release, a [http://geigercount.net/crypt/index.html teaser] "trailer" was  released to keep the community guessing as to what exactly TF was.<br>
* [[Chrono Trigger:Crimson Echoes|Chrono Trigger: Crimson Echoes]] is a big hack that is in the works.  A short demo has been released.<br>
* Chrono Trigger - Time's Illusion is another big hack that is in the works.  There is no date for a demo as of yet.
* A minihack called [[Chrono Trigger Coliseum]] has been released, created using the Temporal Flux utility.
    The standard for 28.8 Kbps dial-up communications being developed by the
''See also:'' [[List of Chrono Trigger hacks]]
CCITT will stretch the limits of dial-up telephone lines.  But don't expect
to be sending files at top speeds immediately.
    Dale Walsh,  vice president for advanced development at U.S. Robotics,
*[http://bisqwit.iki.fi/ Bisqwit] made a Finnish translation for the game.
Inc., cautions that most users won't be able to achieve the maximum speeds
*[http://www.manuloewe.de/kayen.htm Manuloewe] translated this game into GermanVersion 1.01 can be downloaded [http://www.zophar.net/newtrans/?op=show&type=ger_snes here].
permitted under the standard right away. When the standard is adopted, modems
*[http://www.greekroms.net/ GreekRoms] has a partial translation for this game into GreekIt is available for download [http://www.zophar.net/newtrans/?op=show&type=gr_snes here].
that conform should be able to transmit at 19.2 Kbps on lines where a modem
*SadNES City has translated this game into ItalianIt is available for download [http://www.sadnescity.it/ here].
conforming to V.32bis (the current high-speed standard) can now transmit at
*CTTT has a partial translation for this game into PolishIt is available for download [http://www.zophar.net/newtrans/?op=show&type=pol_snes here].
14.4 KbsBut Walsh,  a member of the CCITT committee developing the
*[http://www.emucamp.com/CBT/ CBT] translated this game into Portuguese. It is available for download [http://www.zophar.net/newtrans/?op=show&type=port_snes here].
standard, says it is being formulated with the increasing digitization of
*[http://dsrh.hokuten.net/ct.html/ DarknessSavior] has started an English retranslation.
dial-up phone networks in mind.
    The improved quality of phone lines, as much as any modem technology
improvements, has made high speed dial-up communications possible" says
''See also:'' [[Chrono Trigger:Fun facts]]
Walsh. "We are designing the standard keeping in mind that phone networks
will use more and more digital circuits and digital central office switches."
==Known Dumps==
    Consequently, speeds in the neighborhood of 28.8 Kbps will be the
* Chrono Trigger (J)
exception, rather than the rule--at least until the public switched
* Chrono Trigger (J) (Pre-Release)
telephone network becomes completely digital.
* Chrono Trigger (J) (PSX Version)
    "I'd say when it's finished in a year or so, the standard will allow
* Chrono Trigger (U) [!]
19.2 Kbps transmissions on 80 percent of all lines, 24 Kbps on 50 percent of
all lines, and 28.8 Kbps communications on 20 percent of all lines," says
==External Links==
Walsh, who also helped develop the CCITT V.32bis standard for 14.4 Kbps
dial-up communications"As the phone networks improve, top speeds will be
more easily achieved, so I think it's more realistic to think of it as a
19.2 Kbps standard that is sometimes capable of higher speeds.
    A common misconception is that the coming 28.8 Kbps standard will allow
speeds of 115.2 Kbps, when combined with V.42bis data compression.  Walsh noted
that such calculations are based on an assumption that V.42bis allows 4 to 1
data compressionOutside the lab, V.42bis allows compression ratios between
2 to 1 and 3 to 1, meaning that under REAL LIFE conditions, the forthcoming
standard will allow maximum throughput of about 86.4 Kbps.
    "It's a mistake to use the 28.8 number and max everything out from that,"
said Walsh.
    Not that the 28.8 Kbps standard doesn't have its advantagesAfter all,
19.2 Kbps is an improvement over 14.4 Kbps.  And the forthcoming standard will
adjust for line conditions, a critical factor in high-speed data
communications--like no previous standard. The standard under development
will include a "probing" function that the modem can use to "sound out" the
quality of the phone line. That will allow the modem to optimize transmissions
to take advantage of available bandwidth.
    "We are still working on the training sequences," says Walsh. "But before
transmission starts, the standard will enable the modem to determine what band-
width is available and how to best position the signal to match available band-
    The standard achieves higher speeds through its ability to use more of a
line's bandwidth, not just the center portion of the channel used under current
    "It will more closely match the modulation scheme to what's available,"
says Walsh. "That way, the modem can shape the transmissions to adapt
precisely to the channel, which is very important if you want to transmit at
high speeds.
    The most recent committee meeting was held last month. Still to be
agreed upon are such critical issues as training sequences, coding schemes, and
signaling rates. Walsh said he expects the committee to reach final agreement
in 1993, with official CCITT adoption likely in 1994.
    While some have taken to calling the standard under development V.Last,
Walsh isn't convinced this will be the final modem standard. After all, he
notes, no one thought dial-up phone lines would ever be this noise-free, and
further advances in that area could make even higher speed dial-up
communication possible.
    "I'm certain we'll have at least a fax version of this standard as the
quality of phone lines keep improving," he said.  "We're trying to be sure that
this standard will serve users into the year 2000.  But modem standards are
like wars: you always think it's going to be the last one."
    U. S. ROBOTICS, INC, (NASDAQ:USRX) (800)DIAL-USR voice for more infor-

Revision as of 22:03, 26 November 2007

Chrono Trigger
Chrono Trigger Title.PNG
Name Chrono Trigger
Company Square
Header SWC
Bank HiROM
Interleaved No
SRAM 64 Kb
Type Normal + Batt
ROM 32 Mb
Country USA
Video NTSC
ROM Speed 120ns (FastROM)
Revision {{{revision}}}
Checksum Good 0x788C
CRC32 2D206BF7
ROM map | RAM map | Text table | Notes | Tutorials

Template:Extensively Hacked


See also: List of Chrono Trigger utilities


No complete hacks of Chrono Trigger are known.


  • Prior to Temporal Flux's release, a teaser "trailer" was released to keep the community guessing as to what exactly TF was.
  • Chrono Trigger: Crimson Echoes is a big hack that is in the works. A short demo has been released.
  • Chrono Trigger - Time's Illusion is another big hack that is in the works. There is no date for a demo as of yet.
  • A minihack called Chrono Trigger Coliseum has been released, created using the Temporal Flux utility.

See also: List of Chrono Trigger hacks


  • Bisqwit made a Finnish translation for the game.
  • Manuloewe translated this game into German. Version 1.01 can be downloaded here.
  • GreekRoms has a partial translation for this game into Greek. It is available for download here.
  • SadNES City has translated this game into Italian. It is available for download here.
  • CTTT has a partial translation for this game into Polish. It is available for download here.
  • CBT translated this game into Portuguese. It is available for download here.
  • DarknessSavior has started an English retranslation.


See also: Chrono Trigger:Fun facts

Known Dumps

  • Chrono Trigger (J)
  • Chrono Trigger (J) (Pre-Release)
  • Chrono Trigger (J) (PSX Version)
  • Chrono Trigger (U) [!]

External Links