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game screen progress

Posted by SpiceWare, in Draconian 14 May 2017 · 505 views

Game screen's been rewritten to update the audio sample on every scanline.  Squeezing it into the score display area was a bit tricky, ended up replacing the original loop logic with the new Fast Jump feature.
 
The radar's currently showing a test pattern to confirm it's displaying 8x16.
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Left Difficulty A to show the text display, though I'm not sure if we'll need the alpha characters anymore since we have speech samples.
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For Harmony on a 2600*
Attached File  draconian_20170514.bin (32KB)
downloads: 23
 
 
 
* we discovered an issue with Fast Jump that required an update to the Harmony/Melody driver as well as Stella's implementation of it.  As such, you'll need Stella 5.0.0-pre8 or newer, which isn't available yet.
 
 
addendum - test of line-by-line shifting of all 5 objects:
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Have you updated all the kernels to the new CDF/FastJmp method? Chris
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50% done.
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Made some progress this morning before work, should be able to wrap up the new kernels tonight after which I'll start in on testing the player reposition kernels.

 

Also made a minor change to the demo to confirm the HMxx registers are being updated correctly before I start testing the reposition kernels.  Screenshot of the results has been added to the blog post.

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