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Details for YY-CHR (.NET Version, English/Japanese)
Tools - YY-CHR (.NET Version, English/Japanese) Link - Show random
File Name: YY-CHR (.NET Version, English/Japanese)
Version History: View
Authors: YY Creator
Operating System: Windows
Platforms: SNES
Games: SMW
Source Available: No
Featured: No
Website: Link
Description: YY-CHR is a dot editor that can display and edit images contained in ROMs of old home games such as NES and SNES.
In addition, tools [ROM Palette Editor] and [PRG Pattern Editor] for editing palettes and BG patterns are included.

This is the .NET version. For the non-.NET version, see here.

This is the current build 2021/06/06

Changes since last update here:
PRG Pattern Editor
Add 16x16(16x8) to sorted view

No update of this time.

Palette Editor Tool [ROM Palette Editor].
Fixed a bug (UI collapse when switching address display, etc.)
Added support for MSX1/MSX2 palettes.
Simplified palette check setting to only ON/OFF.

PRG Pattern Editor
Fixed bugs (exceptions when changing editing size, wrong editing position when sorting and displaying, wrong movement and display around the end of the file, etc.)
CHR/PRG (ROM) files can now be opened by dragging and dropping files.
Added option to show CHR images in palette. ON by default.
Tags: gfx, yy-chr
Rating: 5.0 (Votes: 1)
Download: Download - 598.59 KiB
Ice Man
While YY-CHR is a very nice tool I am unable to contact the author in any way to request a feature. If anyone knows him/her or can contact the author. I'd ask for a multiple file support in a single instance of YY-CHR via tabbing. This would make life so much easier.
Posted by: Ice Man - | Link
Please Read:

In the previous hosted version of yy-chr there were some QoL changes made before reuploading, mainly setting the default save type to not ask to expand, which was not carried over to this version.

To correct this either download the previous version, which even stated in the above description *No update of this time.*, has the same yy-chr version.
Or go into Options -> Settings and find SmallFileSaveSize and set it to NoExpand.

Posted by:  PermaBan - | Link
This build is great! I like the new image pasting enhancement, although I wish you could overwrite the palette with the one recognized in that paste optimized image menu.
Posted by: Ivy - | Link

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