I was trying out DOSBOX to run some old DOS games and applications.
It works fairly well and I was quite happy with it (especially when I thought of early DOS emulation which were fairly disappointing).
However, one of the annoyance I had with it the tiny, tiny window that it renders the emulation window by default.
The documentation is there but it isn’t that intuitive about tweaking this to give you a better screen resolution for the window.
As it turns out, all I have to do is configure my DOSBOX configuration (filename: dosbox.conf) to the following under the [sdl] section:
Its interesting to note:
- fullresolution and windowresolution must be the same.
- output does not work for directdraw (ddraw)
- I didn’t find this setting hwscale earlier anywhere.
In any case, after you have save the changes, start a new instance of the DOSBOX and you should be able to get a bigger window.
Now you can view the text without straining your eyes. 😀
This post is about something silly that I did.
This may or may not sound counter-intuitive. I was trying to use a plug-in in Eclipse and I couldn’t get it to install. When I tried, I would get the following helpful message:
An error occurred while installing the items session context was:(profile=PlatformProfile, phase=org.eclipse.equinox.internal.provisional.p2.engine.phases.Install, operand=null –> [R]org.eclipse.cvs 1.0.400.v201002111343, action=org.eclipse.equinox.internal.p2.touchpoint.eclipse.actions.InstallBundleAction). Cannot connect to keystore. This trust engine is read only. The artifact file for osgi.bundle,org.eclipse.cvs,1.0.400.v201002111343 was not found.
Nice. I have totally no idea what is this message talking about. A few googles later, I realise I encounter this because my copy of Eclipse does not have the plug-in development(eclipse-PDE) package installed. I think I may have install Eclipse using the very helpful Ubuntu Software Center. If I have paid more attention, I might have read the following description in the installation package for Eclipse:
This package provides only the Eclipse Platform. It does no include any development plug-ins. These are available in different packages:
- eclipse-jdt Java Development Tools
- eclipse-pde Plug-in Development Tools
- eclipse Complete development environment
This package is the base for all eclipse plug-ins. Please note that many plugins will fail to install if you don’t have the eclipse-pde package installed.
Ah. A beginner’s mistake to be sure.
Here’s the good news. To quickly resolve this issue, just go Ubuntu Software Center and search for eclipse-pde and install it. After you install it, you should be able to install the plug-in that did not get installed previously.