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A comment on JSNES: A JavaScript NES emulator by Ben Firshman.

Re:JSNES: A JavaScript NES emulator by Ben Firshman by mynameishere on Tuesday September 27, 2011 @07:44PM (#3045781)
There's a bunch of java applets that do this (popular hobby project I guess), and one commonality among them always bothered me: Why don't they make the screen bigger? Not that much of a performance hit.
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Re:JSNES: A JavaScript NES emulator by Ben Firshman by program on Wednesday September 28, 2011 @04:26AM (#3046996)
The standard display resolution of the NES is 256 horizontal pixels by 240 vertical pixels. Upscaling on a canvas context can be a very slow operation even if you use the nearest-neighbor approach.
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Re:JSNES: A JavaScript NES emulator by Ben Firshman by akx on Thursday September 29, 2011 @09:26AM (#3052329)
Or you can let the browser do it for you.

<canvas width="256" height="240" style="width:512px;height:480px"></canvas>

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