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Old 20 March 2021, 14:38   #10
Toni Wilen
WinUAE developer
 
Join Date: Aug 2001
Location: Hämeenlinna/Finland
Age: 49
Posts: 26,534
Quote:
Originally Posted by leonard View Post
another question. For weird reason, I would use the highest bit of a sample start address to encode something. Is it safe on every amiga? ( I guess yes because PAULA sample address is 21 bits only but I want to double check).

Like is it ok on all amiga to do: move.l #sample|(1<<31),$dff0a0
Yes in any existing hardware but some re-implementation might want to support DMA everywhere.

IMHO it would be safer to use bit 0 as a flag because DMA is always word aligned.
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