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 TI 89/Titanium specifications
Halifax
Posted: Jul 6 2007, 08:08 AM


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Well I am a little bit unsure about this, but doesn't the TI-89 and TI-89 Titanium have a Motorola 68K Processor.

Also this is just another small little problem that may not even be a problem, but there is an on-calc C Compiler and Assembler for the TI-89.
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tifreak8x
Posted: Jul 6 2007, 12:18 PM


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you're right about the first part. When I get some time, I will fix it. -.-
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Levybreak
Posted: Sep 19 2008, 12:11 AM


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Just another random thing that needs changing about those specifications, they now have a faster processor and are on HW 4. (16 Mhz, I think.)
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tifreak8x
Posted: Sep 19 2008, 12:49 AM


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Hmm.. I will take a gander at adding that in the morning
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Lionel Debroux
Posted: Sep 19 2008, 06:24 AM


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While initial tests seemed to suggest so, it turned out that HW4 calculators don't have a faster processor.
The reason why HW4 seemed faster in the first tests, is that some TI-BASIC benchmark was ran on a HW3 with many allocated blocks of memory, and on a clean HW4. When there are many allocated blocks of memory, which are not necessarily contiguous, memory allocation is slower => the TI-BASIC benchmark, which probably stored things in some variables, was slower on the highly loaded HW3.
But the ASM test, which didn't use memory allocation, was just as fast on HW4 as it is on HW3.
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Levybreak
Posted: Sep 19 2008, 07:42 PM


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So what's the change in the HW versions then?
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Lionel Debroux
Posted: Sep 20 2008, 06:15 AM


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It might be something wrong with some undocumented piece, e.g. the clock, USB support or whatever, of the ASIC built in TI-68k calculators... but nobody outside of TI knows.
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tifreak8x
Posted: Sep 20 2008, 11:03 AM


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We should capture and interrogate someone from TI... > : )
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