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Jul - The Cutting Room Floor - FFS and CGN files? New poll - New thread - New reply
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HarvestmanMan
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Posted on 05-12-12 04:10:59 PM (last edited by HarvestmanMan at 05-12-12 04:53:25 PM) Link | Quote
Can anyone point to a program that uses these file extensions? I'm looking in the ROM for a DOS game released around 1993, and I can't find any program that opens these files.



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devin

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Posted on 05-12-12 04:44:18 PM Link | Quote
What game is it? There's a good chance those are custom formats created by the developer.

If you can upload some examples of FFS/CGN, I'll take a look and see if I can figure anything out.

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HarvestmanMan
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Posted on 05-12-12 04:53:05 PM (last edited by HarvestmanMan at 05-12-12 04:57:00 PM) Link | Quote
Originally posted by Don Que Hooty
What game is it? There's a good chance those are custom formats created by the developer.

If you can upload some examples of FFS/CGN, I'll take a look and see if I can figure anything out.

It's a game called "Busytown", released by Simon and Schuster/Paramount Interactive in 1993.

Here's a CGN file...
http://www.mediafire.com/?ud28le48qaqb5wq

...and an FFS file.
http://www.mediafire.com/?g85oa88w6a19e3e

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Posted on 05-12-12 09:15:14 PM Link | Quote
This is what we would call a "cursory investigation," but here's what I could spot in regards to the structures of the files:

Little-endian


.CGN

====================================================================

Identifier      String*4        ASCII "CGEN"

DataSize        UInt32          Size of remaining file data

                  ...             Possibly two UInt16s

Unk1            UInt32          Unknown value; zero in this file

UnkParam1       UInt16          Unknown parameter for unknown list 1

UnkCount1       UInt16          Number of unknown 16-byte elements

UnkParam2       UInt16          Unknown parameter for list 2

UnkCount2       UInt16          Number of unknown 16-byte elements

Data            Byte[]          Remainder of file

====================================================================


.FFS

====================================================================

Chunks          Chunk[]         Should contain PALE and EGA4 chunks

====================================================================


Chunk

====================================================================

Identifier      String*4        Signals the content of the chunk

Size            UInt32          The remaining size of the chunk

Data            Byte[]          Size bytes of data

====================================================================
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Posted on 05-13-12 03:05:03 AM Link | Quote
Post #4749 · 05-12-12 10:05:03 PM
EGA4 sounds like a video format (makes me think of CGA and VGA), which makes me think PALE is "palette".

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Posted on 05-13-12 08:01:25 PM Link | Quote
EGA4 = 4 bits per pixel (16 colors)? Makes sense to me...

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HarvestmanMan
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Posted on 05-13-12 08:41:57 PM Link | Quote
Originally posted by Rena
EGA4 sounds like a video format


With BMF's information, an EGA file extension is a bitmap file. A PAL file is just a Microsoft Color Palette extension.


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Jul - The Cutting Room Floor - FFS and CGN files? New poll - New thread - New reply


Rusted Logic
Acmlmboard - commit 47be4dc [2021-08-23]
©2000-2022 Acmlm, Xkeeper, Kaito Sinclaire, et al.

31 database queries, 2 query cache hits.
Query execution time:  0.089666 seconds
Script execution time:  0.014107 seconds
Total render time:  0.103773 seconds


TidyHTML vomit below
line 1 column 1 - Warning: missing <!DOCTYPE> declaration
line 2 column 198 - Warning: unescaped & or unknown entity "&page"
line 119 column 11 - Warning: <form> isn't allowed in <table> elements
line 118 column 10 - Info: <table> previously mentioned
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line 120 column 119 - Warning: missing </font> before </td>
line 124 column 16 - Warning: plain text isn't allowed in <tr> elements
line 120 column 11 - Info: <tr> previously mentioned
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line 186 column 9 - Warning: missing <tr>
line 204 column 13 - Warning: missing <tr>
line 205 column 102 - Warning: unescaped & or unknown entity "&postid"
line 212 column 9 - Warning: <div> isn't allowed in <table> elements
line 152 column 17 - Info: <table> previously mentioned
line 214 column 9 - Warning: missing <tr>
line 232 column 13 - Warning: missing <tr>
line 233 column 102 - Warning: unescaped & or unknown entity "&postid"
line 247 column 9 - Warning: <div> isn't allowed in <table> elements
line 152 column 17 - Info: <table> previously mentioned
line 249 column 9 - Warning: missing <tr>
line 267 column 13 - Warning: missing <tr>
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line 300 column 9 - Warning: <div> isn't allowed in <table> elements
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line 302 column 9 - Warning: missing <tr>
line 320 column 13 - Warning: missing <tr>
line 321 column 102 - Warning: unescaped & or unknown entity "&postid"
line 323 column 4503 - Warning: replacing unexpected input with </input>
line 323 column 4817 - Warning: discarding unexpected </span>
line 326 column 9 - Warning: <div> isn't allowed in <table> elements
line 152 column 17 - Info: <table> previously mentioned
line 328 column 9 - Warning: missing <tr>
line 346 column 13 - Warning: missing <tr>
line 347 column 102 - Warning: unescaped & or unknown entity "&postid"
line 349 column 74 - Warning: <link> isn't allowed in <td> elements
line 349 column 9 - Info: <td> previously mentioned
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line 354 column 9 - Warning: missing <tr>
line 372 column 13 - Warning: missing <tr>
line 373 column 102 - Warning: unescaped & or unknown entity "&postid"
line 381 column 17 - Warning: missing <tr>
line 381 column 17 - Warning: discarding unexpected <table>
line 384 column 35 - Warning: missing <tr>
line 384 column 50 - Warning: missing </font> before </td>
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line 386 column 35 - Warning: missing <tr>
line 386 column 50 - Warning: missing </font> before </td>
line 387 column 37 - Warning: unescaped & or unknown entity "&id"
line 386 column 189 - Warning: missing </font> before </table>
line 388 column 17 - Warning: discarding unexpected </textarea>
line 388 column 28 - Warning: discarding unexpected </form>
line 388 column 35 - Warning: discarding unexpected </embed>
line 388 column 43 - Warning: discarding unexpected </noembed>
line 388 column 53 - Warning: discarding unexpected </noscript>
line 388 column 64 - Warning: discarding unexpected </noembed>
line 388 column 74 - Warning: discarding unexpected </embed>
line 388 column 82 - Warning: discarding unexpected </table>
line 388 column 90 - Warning: discarding unexpected </table>
line 390 column 9 - Warning: missing </font> before <table>
line 402 column 25 - Warning: discarding unexpected </font>
line 411 column 57 - Warning: discarding unexpected </font>
line 389 column 1 - Warning: missing </center>
line 120 column 63 - Warning: <img> lacks "alt" attribute
line 125 column 19 - Warning: <td> attribute "width" has invalid value "120px"
line 125 column 93 - Warning: <img> lacks "alt" attribute
line 141 column 19 - Warning: <td> attribute "width" has invalid value "120px"
line 141 column 98 - Warning: <img> lacks "alt" attribute
line 148 column 44 - Warning: <img> proprietary attribute value "absmiddle"
line 148 column 142 - Warning: <img> proprietary attribute value "absmiddle"
line 148 column 246 - Warning: <img> proprietary attribute value "absmiddle"
line 161 column 22 - Warning: <img> lacks "alt" attribute
line 161 column 63 - Warning: <img> lacks "alt" attribute
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line 162 column 11 - Warning: <img> lacks "alt" attribute
line 172 column 15 - Warning: <img> lacks "alt" attribute
line 176 column 92 - Warning: <font> attribute "color" had invalid value "97ACEF" and has been replaced
line 188 column 11 - Warning: <img> lacks "alt" attribute
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line 189 column 64 - Warning: <img> lacks "alt" attribute
line 189 column 113 - Warning: <img> lacks "alt" attribute
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line 218 column 11 - Warning: <img> lacks "alt" attribute
line 228 column 15 - Warning: <img> lacks "alt" attribute
line 232 column 92 - Warning: <font> attribute "color" had invalid value "97ACEF" and has been replaced
line 252 column 22 - Warning: <img> lacks "alt" attribute
line 252 column 63 - Warning: <img> lacks "alt" attribute
line 252 column 112 - Warning: <img> lacks "alt" attribute
line 252 column 162 - Warning: <img> lacks "alt" attribute
line 263 column 15 - Warning: <img> lacks "alt" attribute
line 305 column 23 - Warning: <img> lacks "alt" attribute
line 305 column 64 - Warning: <img> lacks "alt" attribute
line 305 column 113 - Warning: <img> lacks "alt" attribute
line 305 column 163 - Warning: <img> lacks "alt" attribute
line 316 column 15 - Warning: <img> lacks "alt" attribute
line 330 column 11 - Warning: <img> lacks "alt" attribute
line 331 column 23 - Warning: <img> lacks "alt" attribute
line 331 column 64 - Warning: <img> lacks "alt" attribute
line 331 column 113 - Warning: <img> lacks "alt" attribute
line 331 column 163 - Warning: <img> lacks "alt" attribute
line 332 column 11 - Warning: <img> lacks "alt" attribute
line 342 column 15 - Warning: <img> lacks "alt" attribute
line 357 column 22 - Warning: <img> lacks "alt" attribute
line 357 column 63 - Warning: <img> lacks "alt" attribute
line 357 column 112 - Warning: <img> lacks "alt" attribute
line 357 column 162 - Warning: <img> lacks "alt" attribute
line 358 column 11 - Warning: <img> lacks "alt" attribute
line 368 column 15 - Warning: <img> lacks "alt" attribute
line 387 column 44 - Warning: <img> proprietary attribute value "absmiddle"
line 387 column 142 - Warning: <img> proprietary attribute value "absmiddle"
line 387 column 246 - Warning: <img> proprietary attribute value "absmiddle"
line 396 column 25 - Warning: <img> lacks "alt" attribute
line 401 column 267 - Warning: <img> lacks "alt" attribute
line 149 column 50 - Warning: trimming empty <font>
line 323 column 4570 - Warning: trimming empty <label>
line 381 column 17 - Warning: trimming empty <tr>
line 384 column 50 - Warning: trimming empty <font>
line 125 column 68 - Warning: <nobr> is not approved by W3C
line 141 column 68 - Warning: <nobr> is not approved by W3C
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line 205 column 27 - Warning: <nobr> is not approved by W3C
line 233 column 27 - Warning: <nobr> is not approved by W3C
line 268 column 27 - Warning: <nobr> is not approved by W3C
line 321 column 27 - Warning: <nobr> is not approved by W3C
line 347 column 27 - Warning: <nobr> is not approved by W3C
line 373 column 27 - Warning: <nobr> is not approved by W3C
Info: Document content looks like HTML5
Info: No system identifier in emitted doctype
Tidy found 138 warnings and 0 errors!


The alt attribute should be used to give a short description
of an image; longer descriptions should be given with the
longdesc attribute which takes a URL linked to the description.
These measures are needed for people using non-graphical browsers.

For further advice on how to make your pages accessible
see http://www.w3.org/WAI/GL.
You are recommended to use CSS to specify the font and
properties such as its size and color. This will reduce
the size of HTML files and make them easier to maintain
compared with using <FONT> elements.

You are recommended to use CSS to control line wrapping.
Use "white-space: nowrap" to inhibit wrapping in place
of inserting <NOBR>...</NOBR> into the markup.

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