Difference between revisions of "Talk:83Plus:Ports:15"

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m (Add a speculative note about the ASIC naming)
 
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One thing I notice about the ASIC names. The name 84PLC/TA1 seems to imply 84Plus Color revision 1 but if they realized they needed more than 48k of ram for the color calcs and thus went back to the ASIC with more ram. This is pure speculation of course but the naming sure seems to imply that the PLC asic was intended for a new revision of the calc rather than just a minor revision else it likely would have been called the 84PLUSB/TA3. --[[User:TheStorm|TheStorm]] 23:52, 6 May 2014 (UTC)
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== ld a,i interrupt detection bug ==
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> Also, what does this (ASIC integration of the CPU) mean for the LD A, I/R interrupt-enable-detection bug?
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Per testing, nothing, the bug is still present. An early TI-83 Plus with a Z84C00 CPU didn't exhibit the interrupt-enable-detection bug, bewildering everyone present in the chat at the time. Everything else I've tested exhibited that bug.  
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--[[User:CVSoft|CVSoft]] ([[User talk:CVSoft|talk]]) 00:47, 30 August 2021 (PDT)

Latest revision as of 00:47, 30 August 2021

ld a,i interrupt detection bug

> Also, what does this (ASIC integration of the CPU) mean for the LD A, I/R interrupt-enable-detection bug?

Per testing, nothing, the bug is still present. An early TI-83 Plus with a Z84C00 CPU didn't exhibit the interrupt-enable-detection bug, bewildering everyone present in the chat at the time. Everything else I've tested exhibited that bug. --CVSoft (talk) 00:47, 30 August 2021 (PDT)

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