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xBRZ: "Scale by rules" - high quality image upscaling filter by Zenju
xBRZ is a high-quality image upscaling filter for creating beautiful HD representations from low-resolution images.
Reference implementations for common emulators can be found in the download section:
● DOSBox
● ePSXe
● HqMAME
● ScummVM
● Snes9x
● Kega Fusion
http://sourceforge.net/projects/xbrz/files/
Test the xBRZ scaler with your own images and compare against other scalers with the "Scaler Test" tool:
http://sourceforge.net/projects/xbrz/files/ScalerTest_1.1.zip
c64img is a PHP script that converts an image to an image that can be shown on a Commodore 64 (FLI style). It searches for the best possible colors in the 160x200 (X-doubled) resolution, and uses a simple dithering method to distribute errors.