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Starting work on disambiguating PCjs the emulator from PCjs the project/website; the emulator will become PCx86

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Jeff Parsons 2016-05-16 20:53:57 -07:00
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12
_posts/2016-05-04-the-sharpening.md
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@ -8,7 +8,7 @@ permalink: /blog/2016/05/04/
This was the week of The Sharpening.
A while back, I updated most of the machines to use higher-resolution "screens". For example, a typical
[EGA video configuration](/devices/pc/video/ibm/ega/1984-09-13/128kb-autolockfs.xml) now specifies a *screenWidth*
[EGA video configuration](/devices/pcx86/video/ibm/ega/1984-09-13/128kb-autolockfs.xml) now specifies a *screenWidth*
of 1280 and *screenHeight* of 700, dimensions which are exactly twice the standard EGA resolution.
That change had no effect on the machine's operation, but it did improve the machine's appearance, because
@ -16,8 +16,8 @@ most people are using much higher resolution monitors today, so by using a highe
less interpolation is happening when a machine's screen image is scaled up to fill your browser window.
The amount of scaling *also* depends on whether the machine allows itself to be stretched to fill the browser window.
For example, this [machine](/devices/pc/machine/5160/ega/640kb/array/machine.xml) (used by the
[EGA Machine Array Demo](/devices/pc/machine/5160/ega/640kb/array/)) is limited to an overall *width* of 680 pixels,
For example, this [machine](/devices/pcx86/machine/5160/ega/640kb/array/machine.xml) (used by the
[EGA Machine Array Demo](/devices/pcx86/machine/5160/ega/640kb/array/)) is limited to an overall *width* of 680 pixels,
no matter how large you make your browser window:
```xml
@ -46,7 +46,7 @@ All the browsers I've tested so far (Chrome, Firefox, and Safari) support a
which eliminates much of the fuzziness that would occur when copying pixels from the lower-resolution *buffer* canvas
to the higher-resolution *screen* canvas.
So I've added a new [Video](/docs/pcjs/video/) property named *smoothing* that can be set to "true" or "false",
So I've added a new [Video](/docs/pcx86/video/) property named *smoothing* that can be set to "true" or "false",
and I've set it to "false" for most machines in the project. If *smoothing* is not set, your browser continues to
use its default interpolation method.
@ -66,7 +66,7 @@ while the right one does not.
Aspect Ratio
---
The *smoothing* property joins another recent [Video](/docs/pcjs/video/) property, *aspect*, that was added in a
The *smoothing* property joins another recent [Video](/docs/pcx86/video/) property, *aspect*, that was added in a
[release](https://github.com/jeffpar/pcjs/releases/tag/v1.21.5) last month.
To recap, aspect ratio is display width divided by display height, but the choice of aspect ratio is complicated by
@ -79,7 +79,7 @@ containing one or more PCjs machines.
For example:
http://www.pcjs.org/disks/pc/dos/ibm/1.00/?aspect=2.0
http://www.pcjs.org/disks/pcx86/dos/ibm/1.00/?aspect=2.0
will modify the height of the machine's screen to conform to the requested aspect ratio of 2.0. The screen should still
be responsive to any browser resizing while still retaining that aspect ratio.