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Old 24 December 2019, 12:26   #10
Per aspera ad astra

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Join Date: Mar 2017
Location: Crossing the Rubicon
Age: 50
Posts: 2,800
Originally Posted by sparhawk View Post
I wonder why the blitter is involved though. Can I not load data directly into Fast RAM?
Not from floppy devices (or any device that use DMA memory and destination is outside this space).

Blitter can be used (and is on KS1.x) to decode the raw MFM data read by the disk DMA (then buffered data are CPU copied in final destination RAM).
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