Dreamcast Architecture: One Last Attempt by Rodrigo Copetti

Dreamcast Architecture: One Last Attempt by Rodrigo Copetti

Author:Rodrigo Copetti [Copetti, Rodrigo]
Language: eng
Format: epub
Tags: Nonfiction, Computers, Advanced Computing, Engineering, Computer Architecture, Application Software, Computer Graphics, Computer Science
ISBN: 9798201435882
Amazon: B0B85JSFNF
Goodreads: 62908913
Published: 2019-10-28T13:30:00+00:00


Instead of programming an FM chip, the composers of Sonic Adventure produced their soundtrack in-house and then encoded it to ‘ADX’, a lossy format developed by CRI Middleware. Hence, it only uses two of the 64 PCM channels (stereo).

ADX compression enables the game to decode and stream the data from the GD-ROM to the Sound IC without running out of memory or bandwidth. The driver can be implemented in many ways, as there are multiple multiple approaches to balance the workload of the main CPU and ARM7.



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