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Anonymous
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Re: Noticed some slow-downs....
04/18/14 07:40 PM


> There was no bug ... pokey had been converted to a cpu device and now faces the same
> obstacles all cpu devices have in MAME: synchronisation.

Yes, you cannot convert chips to device execute interface and expect them to work properly. The pattern is broken, you will always end up with bugs like this.

> The only solution currently known to me is using cycle-exact scheduling.

Which is a kludge. It doesn't fix the problem entirely either as reads are instant in mame/mess.

Another solution would be to not convert it to a pattern that requires cycle exact scheduling.







Entire thread
Subject Posted by Posted on
* Noticed some slow-downs.... Traso 04/13/14 06:58 AM
. * Re: Noticed some slow-downs.... couriersud  04/19/14 03:03 AM
. * Re: Noticed some slow-downs.... Dullaron  04/19/14 01:30 AM
. * Re: Noticed some slow-downs.... couriersud  04/19/14 03:05 AM
. * Re: Noticed some slow-downs.... Big Karnak  04/13/14 12:32 PM
. * Re: Noticed some slow-downs.... grog  04/18/14 09:37 PM
. * Re: Noticed some slow-downs.... Traso  04/15/14 06:24 AM
. * Re: Noticed some slow-downs.... Master O  04/18/14 09:42 PM
. * Re: Noticed some slow-downs.... Anonymous  04/13/14 01:33 PM
. * Re: Noticed some slow-downs.... couriersud  04/18/14 05:09 PM
. * Re: Noticed some slow-downs.... Anonymous  04/18/14 07:40 PM
. * Re: Noticed some slow-downs.... couriersud  04/18/14 09:44 PM
. * Re: Noticed some slow-downs.... Anonymous  04/18/14 11:44 PM
. * Re: Noticed some slow-downs.... couriersud  04/19/14 12:39 AM
. * Re: Noticed some slow-downs.... couriersud  04/19/14 02:59 AM
. * Re: Noticed some slow-downs.... Anonymous  04/19/14 09:47 AM
. * Re: Noticed some slow-downs.... couriersud  04/19/14 12:06 PM
. * Re: Noticed some slow-downs.... Anonymous  04/19/14 12:11 PM
. * Re: Noticed some slow-downs.... couriersud  04/19/14 12:38 PM
. * Re: Noticed some slow-downs.... Anonymous  04/19/14 12:56 PM
. * Re: Noticed some slow-downs.... couriersud  04/19/14 02:51 PM
. * Re: Noticed some slow-downs.... Vas Crabb  04/13/14 07:30 AM

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