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Author Topic: z80 emulator for Nspire  (Read 108023 times)

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Offline Augs

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Re: z80 emulator for Nspire
« Reply #45 on: March 18, 2013, 01:22:02 pm »
So you guys mean a calculator with a z80 microprocessor. And not a z80 microprocessor. Right? ',:| 
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Offline Dapianokid

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Re: z80 emulator for Nspire
« Reply #46 on: March 18, 2013, 01:40:43 pm »
I think they only emulated the microprocessor, not the whole ASIC or the hardware. You'd have to jury-rig that.
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Offline TIfanx1999

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Re: z80 emulator for Nspire
« Reply #47 on: March 18, 2013, 01:41:04 pm »
I'm sorry, but what? ??? @Augs
« Last Edit: March 18, 2013, 01:42:52 pm by Art_of_camelot »
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Offline Augs

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Re: z80 emulator for Nspire
« Reply #48 on: March 18, 2013, 02:02:18 pm »
I am very confused here, I don't know much about calculators and since you guys are talking about calculators I thought this was a calculator emualtor. Is it a calculator emulation?
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Offline ElementCoder

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Re: z80 emulator for Nspire
« Reply #49 on: March 18, 2013, 02:12:11 pm »
Yes, it is emulation of z80 based calculators (TI84 only atm I think).
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Offline Augs

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Re: z80 emulator for Nspire
« Reply #50 on: March 18, 2013, 02:19:17 pm »
Awesome. Thanks for clearing that up.

Ninja edit: So no chance of a ZX Spectrum?
« Last Edit: March 18, 2013, 02:19:47 pm by Augs »
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Offline aeTIos

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Re: z80 emulator for Nspire
« Reply #51 on: March 18, 2013, 03:07:02 pm »
Wait guys, this is actually a calculator emulator with emulated hardware. How else do y'all think this thing can actually run a TI-84+SE OS?
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Offline Levak

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Re: z80 emulator for Nspire
« Reply #52 on: March 18, 2013, 10:02:18 pm »
Quote from: Deep Thought on March 17, 2013, 05:22:13 pm
EDIT: ...in nspire_emu in VirtualBox
uh ?
If I correctly understood your remark, here is mine :  nspire_emu works fine under Wine.
And BTW, in order to pull something more related to the topic : Didn't this project already existed in the past or am I missing something ?


Same for 68k:
http://ourl.ca/3898
« Last Edit: March 18, 2013, 10:03:48 pm by Levak »
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Offline Darl181

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Re: z80 emulator for Nspire
« Reply #53 on: March 18, 2013, 11:19:04 pm »
The nspire one was calc84's project, but he lost the source in a hard drive crash. Iirc it is/was hard-coded into a rom so it can't be legally shared.
« Last Edit: March 18, 2013, 11:19:18 pm by Darl181 »
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Offline Augs

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Re: z80 emulator for Nspire
« Reply #54 on: March 19, 2013, 01:10:40 pm »
I keep hearing about things calc84 lost. Was it one huge crash or just his hard drive isn't too good?
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Offline TheNlightenedOne

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Re: z80 emulator for Nspire
« Reply #55 on: March 19, 2013, 01:13:19 pm »
It was one huge crash afaik. Anyway, this malfunctions weirdly on my touchpad noncas. However, nice work!
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Offline Levak

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Re: z80 emulator for Nspire
« Reply #56 on: March 19, 2013, 02:02:45 pm »
Quote from: Darl181 on March 18, 2013, 11:19:04 pm
Iirc it is/was hard-coded into a rom so it can't be legally shared.
I understand now. Since I had the binaries ...
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Offline DJ Omnimaga

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Re: z80 emulator for Nspire
« Reply #57 on: March 19, 2013, 02:10:18 pm »
Quote from: Augs on March 19, 2013, 01:10:40 pm
I keep hearing about things calc84 lost. Was it one huge crash or just his hard drive isn't too good?

One huge crash and failure at keeping multiple backups :P (his entire Nspire work was lost, including the TI-89 emulator for the TI-Nspire)

I still have a copy of the Z80 emulator, but as Darl says, it can't be legally shared. Many people asked me on Youtube and Facebook if I could send them my copy, but I never replied to them since the reason why was stated publicly. My version lacked Garbage collecting, linking support and turning the calc OFF. It also had no speed throttling so it was barely useable in menus. Also I recall key detection not being as good as on a real calc, because in Desolate I was stuck on the title screen and intro for a few minutes trying to get past them to no avail. The ROM in it was a TI-83 Plus one that already includes Desolate, a very early build of Project M that is messed up, the downloadable F-Zero demo and MirageOS.
« Last Edit: March 19, 2013, 02:12:27 pm by DJ_O »
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Offline Matrefeytontias

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Re: z80 emulator for Nspire
« Reply #58 on: March 21, 2013, 07:23:43 am »
[hs]The downloadable F-Zero demo ? O.O I never found this one anywhere, are you able to send it to me please ?[/hs]

Anyway, jacobly will your emulator able to run custom OSes ?
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Offline Lionel Debroux

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Re: z80 emulator for Nspire
« Reply #59 on: March 21, 2013, 09:05:33 am »
Quote
Anyway, jacobly will your emulator able to run custom OSes ?
Certainly. Any emulator unable to run third-party OS, on such a limited hardware (no fancy MMU, etc.) as the TI-Z80, wouldn't be very good ;)
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