Re: [hatari-devel] Your advice is needed for 68030 - DSP synchro

[Miro Kropáček <miro.kropacek@xxxxxxxxx>]

Hi,

I considere that if the call to the Host Interface is superior to 1 byte, each byte after the first one adds 4 cycles to the cpu (so 8 cycles to the DSP).

[...]

You can notice that the move.w takes 4 more cycles now, because of the 2 byte access


Do you think this is the good way to do it ?

Yes, it seems fine. Access to the DSP is roughly two times slower than access to ST-RAM, exactly because of 8-bit host interface.

--
MiKRO / Mystic Bytes
http://mikro.atari.org