Zhixian's Tech Blog

2010-09-05

DOSBOX Window Resolution

Filed under: computing — Tags: , , — Zhixian @ 02:34:09 am

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:

fullresolution=1024×768
windowresolution=1024×768
output=opengl
hwscale=2.00

Its interesting to note:

  1. fullresolution and windowresolution must be the same.
  2. output does not work for directdraw (ddraw)
  3. 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. 😀

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