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From latest Wayback Machine snapshot
[[File:Integer_scaling.png|thumb|250px|right|The original text at the top. Scaled text on the bottom. Showing improper scaling]]
Scaling is a very important thing for emulation.
==Nearest neighbour scaling==
Nearest neighbour scaling scales the image without using any filters. When scaling up, this has the effect of duplicating making columns and rows of pixels at regular intervals. If the image is scaled to a multiple of the original resolution, this is called integer scaling. For instance, a 256x192 image scaled to 384x288 will double every other line of pixels. A 256x192 image scaled to 768x576 will have every line tripled. On the other hand, scaling the image down will skip lines, so a 256x192 image scaled to 128x96 will have every other line missing.
==Integer scaling==
