Well, the short answer is this:
I didn't want to post this before because the video quality is quite terrible because it's a camera pointing at the monitor, but it shows off the frame rate quite nicely. As it turns out, all the frame rate concerns I had were completely due to the Bochs emulator, and on real hardware it just flies.
So, let's break it down ...
Firstly, the audio. The Octopus kernel has no support for sound yet, and while the music is a really good fit, it was added with YouTube to replace the terrible background noise and camera zoom noise.
The video has some significant banding on it. This is because it's not using the Vertical Retrace interval (VSync) to update the screen. I have the back buffer already, so this should be easy to implement.
Currently, Doom takes around four and a half minutes to load (most of which I didn't bother to record) but then as the game loads more data on the fly, it pauses briefly. You can see the reflection of the blue light on the USB stick flashing at the bottom of the screen when it does this.
I have a list of things to address in the short term including:
- the load time,
- the VSync
- a big code refactor
- getting a half-decent recording
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