MR image: Difference between revisions
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(Created page with "==About== A MR image is an image format solely used inside an IP.BIN file to show off a logo during the boot screen process of the Sega Dreamcast. File:Windows CE boot scree...") |
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==About== | ==About== | ||
A MR image is an image format solely used inside an IP.BIN file to show off a logo during the boot screen process of the Sega Dreamcast. [[File:Windows CE boot screen.png|thumb|Games powered by Windows CE boot screen]]This image format was | A MR image is an image format solely used inside an IP.BIN file to show off a logo during the boot screen process of the Sega Dreamcast. [[File:Windows CE boot screen.png|thumb|Games powered by Windows CE boot screen]]This image format was used in commercialized Dreamcast games utilizing Windows CE SDK where we see a "Powered by Microsoft Windows CE" logo. It is now commonly used in homebrew to distinguish the creator(s) of the Dreamcast application. Since IP.BIN is restricted to a 32k file size and the MR image must be inserted into that file in order to be displayed during the boot process, there are a couple of guidelines the MR image must meet to be shown during the boot process. | ||
'''MR Image must be:''' | '''MR Image must be:''' | ||
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* The transparent color is #c0c0c0, or 192, 192, 192 in RGB | * The transparent color is #c0c0c0, or 192, 192, 192 in RGB | ||
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==Format Structure== | ==Format Structure== | ||
==Encoding== | ==Encoding== | ||
==Decoding== | ==Decoding== | ||
Revision as of 18:35, 10 January 2020
About
A MR image is an image format solely used inside an IP.BIN file to show off a logo during the boot screen process of the Sega Dreamcast.
This image format was used in commercialized Dreamcast games utilizing Windows CE SDK where we see a "Powered by Microsoft Windows CE" logo. It is now commonly used in homebrew to distinguish the creator(s) of the Dreamcast application. Since IP.BIN is restricted to a 32k file size and the MR image must be inserted into that file in order to be displayed during the boot process, there are a couple of guidelines the MR image must meet to be shown during the boot process.
MR Image must be:
- 320x90 or less
- Max 128 colors
- Less than 8192 bytes to fit in a IP.BIN
- The transparent color is #c0c0c0, or 192, 192, 192 in RGB