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Author Topic: z80 emulator for Nspire  (Read 106902 times)

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Offline Lionel Debroux

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Re: z80 emulator for Nspire
« Reply #180 on: April 16, 2013, 01:53:06 am »
Quote
Okay I will never raise it above 75.
Have you read what I wrote above ? The AHB frequency should never be overclocked on the CX, it's too unsafe.
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Offline willrandship

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Re: z80 emulator for Nspire
« Reply #181 on: April 16, 2013, 01:57:24 am »
Isn't 75 the default? Any less would be underclocking.
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Offline Lionel Debroux

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Re: z80 emulator for Nspire
« Reply #182 on: April 16, 2013, 02:10:08 am »
The default AHB frequency is 66 MHz: http://tiplanet.org/forum/viewtopic.php?f=15&t=9014 (and myself earlier at http://ourl.ca/17131/335010 )
Some people some people experienced corruption even at an AHB frequency of 72 MHz, which is less than 10% higher than the defaults, and 75 MHz is definitely well in the danger zone. Reasonable overclockers do not do anything when there's less than 10% headroom wrt. known trouble :)
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Offline willrandship

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Re: z80 emulator for Nspire
« Reply #183 on: April 16, 2013, 03:22:09 am »
Guess I was wrong then. Sorry about that!
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Offline Rhombicuboctahedron

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Re: z80 emulator for Nspire
« Reply #184 on: April 16, 2013, 07:32:41 am »
Well I keep my Nspire at 222, 222, 76 with Nover, and it works fine.
Though just wondering, what is the optimal configuration?
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Offline Dapianokid

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Re: z80 emulator for Nspire
« Reply #185 on: April 16, 2013, 12:47:02 pm »
I understand the risks. However, I've got a certain trust for computers and understanding of the sciences that tell me "It's okay in moderation." But that is just me.
There is no optimal configuration for a general set of calculators, they are all very different. My calculator can overclock to 85 AHB with a limited chance of dangerous effects, so 75 is more than safe for mine. Mine is also a new revision, it was manufactured less than a month ago and I take pride in that :P there are older ones with even better rates than mine, it just varies.
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Offline floris497

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Re: z80 emulator for Nspire
« Reply #186 on: April 16, 2013, 04:44:44 pm »
I have a problem with using Portal, when i quit the game it does not save the file properly.
If i go to the MEM management and scroll over the save file it displays an ERR MEMORY and the place where the file size should be is empty (not zero)

has it something to do with the emulator or is it bad coded software?? (witch i doubt because in Wabbit it is working)
i also looked into older versions, like the one without backgrounds, they where also not working.

(and this topic is maybe not the over-clocking/nover topic? but for the emulator...)
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Offline willrandship

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Re: z80 emulator for Nspire
« Reply #187 on: April 16, 2013, 04:58:27 pm »
How much stuff do you have unarchived? ERR:MEMORY indicates it ran out of room in RAM. Try archiving some other programs.
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Offline floris497

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Re: z80 emulator for Nspire
« Reply #188 on: April 16, 2013, 05:03:24 pm »
1482K archive and 24288 ram so thats not the problem.
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Offline Dapianokid

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Re: z80 emulator for Nspire
« Reply #189 on: April 16, 2013, 05:07:46 pm »
This problem occurs when a memory pointer points to an address with FFFF in it, and is a sure sign of a terrible bug. Clear your RAM immediately.
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Offline calcdude

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Re: z80 emulator for Nspire
« Reply #190 on: April 20, 2013, 10:52:17 am »
I cannot open the .tns file calcemu_cx.tns, when I press the [enter] key, my ti nspire cx (running cx cas 3.10.16) just freezes.
How do I start up the emulator (What keys do I press)  ??? ?

-Thanks  :)
By the way, to clarify, I am running a cas os on a non cas os using nlaunch
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Offline floris497

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Re: z80 emulator for Nspire
« Reply #191 on: April 20, 2013, 10:54:47 am »
make sure the rom.tns is in the same folder you can exit with ↵
« Last Edit: April 20, 2013, 10:55:22 am by floris497 »
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Offline Dapianokid

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Re: z80 emulator for Nspire
« Reply #192 on: April 20, 2013, 10:59:19 am »
Oh, when you exit the emulator using the return key, you have to turn your calculator off because the keypad no longer responds.
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Offline calcdude

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Re: z80 emulator for Nspire
« Reply #193 on: April 20, 2013, 11:57:28 am »
Sorry, to specify, I meant that when I open calcemu_cx.tns (when I hit the [enter] key on my calc), the whole calc screen goes blank and my calc freeze (it doesn't respond to any keys I press).  :-\

Is my rom.tns file corrupted or do I need a newer version of the emulator? If so where can I find it?

Thanks!  :)
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Offline floris497

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Re: z80 emulator for Nspire
« Reply #194 on: April 20, 2013, 12:12:17 pm »
try to find a new rom, and the latest version is on the first page of this topic.
it the screen going black or white?
make sure you have an TI-84+SE rom

don't use enter but the button in the lower left corner of your calc the "↵" sign
« Last Edit: April 20, 2013, 12:15:23 pm by floris497 »
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