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When I first heard about this, I thought it was a shot across the bow aimed right at Adobe Photoshop. But then, someone found this post from an Adobe engineer saying that 64-bit Photoshop basically runs 5% slower than 32-bit. That seems rather odd, but I guess Adobe doesn't care much about 64-bit. And 32-bit Carbon is still supported. Heck, even the "new" Finder is Carbon. But still, the message from Apple is clear: Cocoa is the way forward.

Oh, and yeah that is me. blush That's an awesome pic. It looks like Wolf and I are gonna start fighting or something. Really, Wolf and I are good friends. wink

-Dave

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Compilers for x86-64 are still fairly immature, so I wouldn't be surprised if there are situations where 64-bit is slower. In MAME it's largely a wash right now, but 64-bit DRCs should in theory run much faster for the MIPS-based games than 32-bit.

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Originally Posted By R. Belmont
Wow! I actually did miss that, and it's huge - assuming Leopard is the end of the line for 32-bit (Vista is, and MS isn't normally that forward-looking) that means rebuilding MacMAME shifts from "pretty undesirable" to "total waste".


More to the point, it obsoletes just about all the code I've ever written. Bah humbug, I say.

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Yeah, it just seems that extra registers in x86-64 would be very useful. I guess the caches become less effective in 64-bit, though, as well.

-Dave

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Hey, there's no roller coaster like developing for Apple hardware - that was even true in the late 80s :-)

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Well, maybe it's time for me to stop paying for the macmame.net domain name. Seems kind of pointless having the website now.


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Originally Posted By Richard Bannister
More to the point, it obsoletes just about all the code I've ever written. Bah humbug, I say.


I doubt you're the only one who feels scrooged, but I don't quite think it's that bad. 32-bit Carbon code will still run just fine on 64-bit machines on 10.5. Finder is still Carbon, and it appears that the only 32-bit app shipping on Leopard is Xcode. I can't even imagine Apple pulling Carbon in 10.6. My guess is 10.7, which would put it 3-4 years away, at Apple's current pace. But, I guess stranger things have happened.

And once Apple does pull it, someone will just emulate it, anyway. Nothing ever dies with emulation. wink

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Cocoa just has two many damn square brackets. That is all.

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Yeah, I was sort of hoping if they were going to effectively kill Carbon that they'd also introduce normal C/C++ bindings for Cocoa. NeXT failed guys, get over it.

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Ah I do remember that frame advance in MAME was pause first then hold SHIFT and advance by hitting the ESC key. I gotta try that in MAME OS X. I know a lot users do want a more user friendly interface. I just don't see that happening in the near future.

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