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Old 07 April 2019, 18:13   #8
Per aspera ad astra

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Join Date: Mar 2017
Location: Crossing the Rubicon
Age: 49
Posts: 2,425
Originally Posted by ebenupton View Post
My aim was to be able to demo it in emulation without worrying about Kickstart copyright annoyance.
No copyright annoyance, the ADFs works also with AROS ROM.
And usually is not easy for users to manage a non-standard ROM (and your ROM need a special handling, in A600 $f80000 is the base..).

What was the bug? I've only been testing with A600 emulation so would have missed anything that affects OCS.
There's an HW bug in OCS that prevent sprite fetch when you are back-to-back with first BPL fetch.
In your case, with DDFSTRT=$30, 2nd word of sprite 6 is missed.
So an ECS machine is required
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