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Re: Fairlight CMI [Re: Tonhar] #117438 06/15/20 01:38 AM
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Haiqu Offline
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Originally Posted by Tonhar
JustDesserts theres a fairlight guy who wants to help out called Rob Judd can you let him into the group.


Thanks Tony. I didn't know about the requirement to email an admin (not exactly obvious) so JD's reply was enough to finally get in.

Rob

Re: Fairlight CMI [Re: R. Belmont] #117439 06/15/20 01:43 AM
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Originally Posted by R. Belmont
That's completely the wrong way to go. There are so many fixes to components the CMI relies on since then (including the CPU), and you will forfeit 100% of support from JD if you go that way. If that works better in some way (which I doubt), trace on both versions to determine the divergence.

If build times are your problem, do a single-driver build. The current build system supports it.


The current single driver build of Mame is a bloated 92MB. Mess-0.134 is 16MB. Don't blame Tonhar, I led him astray by sending him a copy of my working build. Sometimes a guy needs encouragement to go on when the road has been long ...

Re: Fairlight CMI [Re: SynaMax] #117440 06/15/20 01:47 AM
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Just Desserts Offline
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Thanks for the heads-up regarding the minimum complement of boards needed to run the system.

Regarding the AIC, how does the system determine if one is hooked up versus if one isn't? I'm guessing the system software probes the shared memory area, but it would be nice to have confirmation.

Re: Fairlight CMI [Re: Just Desserts] #117441 06/15/20 02:21 AM
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Haiqu Offline
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There's no hardware interlock, so I'd say your guess is as good as any. To know for sure i'd have to ask the engineer who wrote the firmware.

Re: Fairlight CMI [Re: Haiqu] #117442 06/15/20 02:49 AM
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Originally Posted by Haiqu
The current single driver build of Mame is a bloated 92MB. Mess-0.134 is 16MB.


You're probably comparing a stripped release build with a full debug build. It's a common mistake. But it's also worth noting that the size on disk of an executable doesn't predict either the runtime RAM usage or the execution speed.

Originally Posted by Haiqu
I didn't know about the requirement to email an admin (not exactly obvious)


The requirement is listed in red letters and a large font when you try to register. For some reason, people miss it all the time anyway. We might have to make the instructions spoken or something.

Re: Fairlight CMI [Re: R. Belmont] #117443 06/15/20 04:40 AM
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Originally Posted by R. Belmont
You're probably comparing a stripped release build with a full debug build. It's a common mistake.


Only if the debug build is the default, which would be unexpected.

Re: Fairlight CMI [Re: Haiqu] #117444 06/15/20 06:46 AM
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I believe the AIC cards are simply latched over the address bus, that would mean, if the card is not present they simply won't answer and there will be no mem or irq responses from them.

Last edited by Tonhar; 06/15/20 08:23 AM.
Re: Fairlight CMI [Re: Just Desserts] #117445 06/15/20 08:26 AM
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Tonhar Offline
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If I remember rightly, you don't even need a AIC (CMI-07 the Analog IO card) card to run the system. I never had one in my system.

Re: Fairlight CMI [Re: R. Belmont] #117446 06/15/20 08:36 AM
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Originally Posted by R. Belmont
Originally Posted by Haiqu
I didn't know about the requirement to email an admin (not exactly obvious)


The requirement is listed in red letters and a large font when you try to register. For some reason, people miss it all the time anyway. We might have to make the instructions spoken or something.


To be fair, the text is neither red nor large. It might have been like that in the past, but right now it's just regular-sized black text. The text looks like a standard shrinkwrap EULA, and with nobody reading these ever anyway, I think it's understandable that people miss it ...

Re: Fairlight CMI [Re: SynaMax] #117447 06/15/20 11:30 AM
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It definitely was large and red at one point, we used to post screenshots with it circled.

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