c31f6222a1
It can be controlled with a new "smoothing" attribute on the <video> component and/or overridden with a "smoothing" URL parameter set to either "true" or "false"
22 lines
1.5 KiB
XML
22 lines
1.5 KiB
XML
<?xml version="1.0" encoding="UTF-8"?>
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<video id="videoEGA" model="ega" memory="0x20000" screenWidth="1280" screenHeight="700" scale="true" smoothing="false" touchscreen="mouse" autoLock="true" pos="center" padding="8px">
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<comment>
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If [Wikipedia](https://en.wikipedia.org/wiki/Enhanced_Graphics_Adapter) is correct that the IBM EGA
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(presumably when paired with an IBM 5154 EGA monitor) has a "pixel aspect ratio" of 1:1.37 at its highest
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resolution (640x350), that suggests we should "stretch" our screen size vertically to 350 * 1.37, or 640x480
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(or something proportional, like 1280x960), assuming the native display has a "pixel aspect ratio" of 1:1.
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But testing reveals that round images appear roundest when we stick with a screen size proportional to 640x350.
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Also note that 1280x700 produces crisper results than 640x350, and 2560x1400 is sharper still (at least when
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using Chrome). I'm going to split the difference and go with 1280x700.
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</comment>
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<menu>
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<title>IBM Enhanced Color Display</title>
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<control type="container" pos="right">
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<control type="led" label="Caps" binding="caps-lock" padleft="8px"/>
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<control type="led" label="Num" binding="num-lock" padleft="8px"/>
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<control type="led" label="Scroll" binding="scroll-lock" padleft="8px"/>
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<control type="button" binding="fullScreen" padleft="8px;line-height:1em">Full Screen</control>
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</control>
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</menu>
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<rom id="romEGA" addr="0xc0000" size="0x4000" file="/devices/pc/video/ibm/ega/1984-09-13/ibm-ega.json" notify="videoEGA"/>
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</video>
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