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Author Topic: TI-Nspire GB Emulator  (Read 152162 times)

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Offline DJ Omnimaga

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Re: TI-Nspire GB Emulator
« Reply #120 on: December 30, 2009, 03:46:22 am »
Yup. Now I guess the hardest part will most likely to find the appropriate OS ourselves. I wouldn't be surprised if it ended up on warez sites pretty soon, though.
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Offline Galandros

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Re: TI-Nspire GB Emulator
« Reply #121 on: December 30, 2009, 03:48:10 am »
Quote from: DJ Omnimaga on December 30, 2009, 03:46:22 am
Yup. Now I guess the hardest part will most likely to find the appropriate OS ourselves. I wouldn't be surprised if it ended up on warez sites pretty soon, though.
If it isn't there already.

I never bothered to search warez sites, torrents, p2p, etc.. But it is not hard to find some stuff...
« Last Edit: December 30, 2009, 03:48:57 am by Galandros »
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Offline TIfanx1999

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Re: TI-Nspire GB Emulator
« Reply #122 on: December 30, 2009, 07:56:34 am »
Guess we'll get to see what actual speed is like fairly soon on both this and the TI-89 emulator!
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Offline Hot_Dog

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Re: TI-Nspire GB Emulator
« Reply #123 on: December 30, 2009, 10:46:32 am »
I took a look at ARM assembly and noticed it can do some things that Z80 assembly can't do.  Does this make your work on the Nspire easier?
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Offline calc84maniac

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Re: TI-Nspire GB Emulator
« Reply #124 on: December 30, 2009, 10:49:27 am »
Quote from: Hot_Dog on December 30, 2009, 10:46:32 am
I took a look at ARM assembly and noticed it can do some things that Z80 assembly can't do.  Does this make your work on the Nspire easier?
Definitely. :)
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Offline Builderboy

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Re: TI-Nspire GB Emulator
« Reply #125 on: December 30, 2009, 11:19:31 am »
Quote from: Hot_Dog on December 30, 2009, 10:46:32 am
...can do some things that Z80 assembly can't do.
Like native grayscale! <(^.^<)
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Offline simplethinker

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Re: TI-Nspire GB Emulator
« Reply #126 on: December 30, 2009, 11:31:40 am »
Quote from: DJ Omnimaga on December 30, 2009, 03:46:22 am
Yup. Now I guess the hardest part will most likely to find the appropriate OS ourselves. I wouldn't be surprised if it ended up on warez sites pretty soon, though.
Near the bottom of page 17 of the "Mission: Hack the TI Nspire" thread at UTI has some links to a site that links to them (I hope this is indirect enough to not count as distributing them...)
« Last Edit: December 30, 2009, 11:31:56 am by simplethinker »
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Offline JCW

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Re: TI-Nspire GB Emulator
« Reply #127 on: December 30, 2009, 12:30:21 pm »
Wow never thought I'd see this happening.
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Offline DJ Omnimaga

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Re: TI-Nspire GB Emulator
« Reply #128 on: December 30, 2009, 12:48:11 pm »
Quote from: Hot_Dog on December 30, 2009, 10:46:32 am
I took a look at ARM assembly and noticed it can do some things that Z80 assembly can't do.  Does this make your work on the Nspire easier?
One other thing is that ARM processor is like 32 bits while z80 is only 8 or 16 bits. On z80 you need to perform some stuff in quite hackish ways and on the 82-84 series dealing with grayscale is even harder because they don't have a memory-mapped LCD.
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Offline ztrumpet

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Re: TI-Nspire GB Emulator
« Reply #129 on: December 30, 2009, 12:53:56 pm »
How does the memory mapped display make it easier?
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Offline calc84maniac

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Re: TI-Nspire GB Emulator
« Reply #130 on: December 30, 2009, 12:56:34 pm »
Quote from: ztrumpet on December 30, 2009, 12:53:56 pm
How does the memory mapped display make it easier?
Because you only have to write to memory to update the LCD contents. On the older z80 calculators, you had to interface with the LCD driver manually.
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Offline ztrumpet

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Re: TI-Nspire GB Emulator
« Reply #131 on: December 30, 2009, 12:58:49 pm »
Oh, so that's why the 86 is easier to make grayscale for.  Thank's for the info. :)
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Offline DJ Omnimaga

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Re: TI-Nspire GB Emulator
« Reply #132 on: December 30, 2009, 01:58:02 pm »
Grayscale also looks better on memory mapped calcs
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Offline calc84maniac

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Re: TI-Nspire GB Emulator
« Reply #133 on: February 12, 2010, 09:32:46 pm »
I'm currently working on adding some OS interfacing, like using malloc to request RAM and hopefully saving/loading save games using actual Nspire files
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Offline DJ Omnimaga

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Re: TI-Nspire GB Emulator
« Reply #134 on: February 12, 2010, 11:38:42 pm »
Malloc?

nice to see some progress tho ^^
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