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310 bytes added ,  19:41, 13 February 2011
m
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[[Image:icon_5.gif]]
 
[[Image:icon_5.gif]]
   −
These are converted by a tool bLAStY wrote. Icon files were supplied by loopy.
+
These are converted by a tool blasty wrote. Icon files were supplied by loopy.
    
== Basic File Structure ==
 
== Basic File Structure ==
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|-
 
|-
 
| 0x0000
 
| 0x0000
| 2
+
| 1
| File Version/Magic (should be 0x0301)
+
| Number of titles (5+N)
 +
|-
 +
| 0x0001
 +
| 1
 +
| Animated (1=contains animated icon at 0x1240)
 
|-
 
|-
 
| 0x0002
 
| 0x0002
 
| 2*4
 
| 2*4
| 4 CRC checksums
+
| 4 CRC checksums (polynomial 0xA001)
 
|-
 
|-
 
| 0x000A
 
| 0x000A
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| Default Bitmap
 
| Default Bitmap
 
|-
 
|-
| 0x0230
+
| 0x0220
 
| 32
 
| 32
 
| Palette for above
 
| Palette for above
 
|-
 
|-
| 0x0250
+
| 0x0240
| 256*8
+
| 256*16
| Application Title (in 8 languages), wide chars
+
| Application Titles, wide chars
|-
  −
| 0x0A40
  −
| 2048
  −
| Padding (00's)
   
|-
 
|-
 
| 0x1240
 
| 0x1240
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|-
 
|-
 
| 0x2340
 
| 0x2340
| 80
+
| 128
 
| Animation Sequence
 
| Animation Sequence
 
|}
 
|}
Languages (in correct order) are: Japanese, English, French, German, Italian, Spanish, Unknown, Unknown.
+
Languages (in correct order) are: Japanese, English, French, German, Italian, Spanish, ?Chinese?, Korean.
    
== Animation Sequence ==
 
== Animation Sequence ==
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|-
 
|-
 
| 8
 
| 8
| Frame Duration (in frames)
+
| Frame Duration (in frames (one frame = 1/60sec))
 
| 0x00FF
 
| 0x00FF
 
|}
 
|}
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The conversion to RGB888 is made like this (C):
 
The conversion to RGB888 is made like this (C):
   u8 r = (color      ) & 0x1f;
+
<source lang="c">
   u8 g = (color >>  5) & 0x1f;
+
   u8 r = ((color      ) & 0x1f)<<3;
   u8 b = (color >> 10) & 0x1f;
+
   u8 g = ((color >>  5) & 0x1f)<<3;
  r = (r << 3) | (r >> 2);
+
   u8 b = ((color >> 10) & 0x1f)<<3;
  g = (g << 3) | (g >> 2);
+
</source>
  b = (b << 3) | (b >> 2);
+
 
 +
== Checksums ==
 +
The CRC-output is not bitwise inverted after the calculation, but it is byte-swapped to big-endian. Polynomial used is: 0xA001, same for all.
 +
 
 +
{| class="wikitable"
 +
|- style="background-color: #ddd;"
 +
! Number
 +
! Range
 +
|-
 +
| 0
 +
| 020-83F
 +
|-
 +
| 1
 +
| 020-93F
 +
|-
 +
| 2
 +
| 020-A3F
 +
|-
 +
| 3
 +
| 1240-23C0
 +
|}
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