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MulTI 0.1 Released
Posted by Michael on 22 June 2006, 15:28 GMT

[MulTI 0.1alpha] Nick Tarleton has released MulTI 0.1alpha for the TI-89. MulTI is a "dynamic-translating emulator" for the 83+, which means that it is able to run certain 83+ assembly programs (such as Falldown) at full speed on a TI-89. It does this by dynamically translating Z80 assembly instructions into 68k as they are encountered. MulTI is still in a stage of early development, but it looks like it will become a great way to run 83+ games on your 89.

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Re: MulTI 0.1 Released
mohaas05  Account Info

Now I Have another reason to by an 89!

Reply to this comment    22 June 2006, 15:47 GMT

Re: Re: MulTI 0.1 Released
Coolv  Account Info
(Web Page)

Lol. But the one bad thing is that it doesn't support the V200 yet...

(If you buy a 68k, buy a TI-89Ti or a V200.)

Reply to this comment    22 June 2006, 16:48 GMT


Re: Re: MulTI 0.1 Released
e_li12 Account Info

Seriously...TI-89 series and V200s make all the calcs look more like garbage day by day...if it wasn't for the price and restrictions in school I bet TI-89 and V200s would be the ONLY type of calcs around.

Reply to this comment    22 June 2006, 19:06 GMT


Re: Re: Re: MulTI 0.1 Released
Joey Gannon  Account Info
(Web Page)

Marketing is important to keep in mind, too. TI tells middle school and high school teachers that their students need TI-83's, and that information gets passed along to the students, who then buy the calculators. When they get into upper-level high school and college classes, they find out that the 89 does more of what they need, so they buy one of those, too.

(Also, it's fair to point out that the 89 really isn't suited for a lot of people. When I started out with graphing calculators, in 7th grade, I found the 83 to be a bit intimidating. The 89 is just way too much for a lot of people.)

Reply to this comment    26 June 2006, 23:27 GMT


Re: Re: Re: Re: MulTI 0.1 Released
Chickendude Account Info
(Web Page)

Also, I find the z80s much simpler and more enjoyable to write programs for. With the 89, I found myself a bit overwhelmed at its complexity and it quickly turned me away.

Reply to this comment    6 July 2006, 19:35 GMT

Re: MulTI 0.1 Released
bfr Account Info
(Web Page)

Wow...this looks like it will become awesome. Now I can play the cool games the Ti-83+ has.

Reply to this comment    22 June 2006, 15:55 GMT


Re: Re: MulTI 0.1 Released
Coolv  Account Info
(Web Page)

Yeah, but thankfully I still have my trusty TI-84+ SE. :)

Reply to this comment    22 June 2006, 16:49 GMT

Re: MulTI 0.1 Released
Jim Bauwens Account Info

Sad that it doesn't work on a ti 92+ :(

Reply to this comment    22 June 2006, 16:13 GMT


Re: Re: MulTI 0.1 Released
Kevin Kofler Account Info
(Web Page)

So fix it. :-) It's GPLed.

And I don't see any reason why it would not work on a 92+, so it's probably just a matter of a recompile, maybe with some conditionals for keyboard input.

Reply to this comment    22 June 2006, 16:48 GMT

Re: Re: Re: MulTI 0.1 Released
Jim Bauwens Account Info

oops, I expressed myself wrong,
I meant "Sad that there is not a ti 92+ version".

Reply to this comment    22 June 2006, 17:17 GMT


Re: Re: Re: MulTI 0.1 Released
Nick Tarleton  Account Info

Exactly - I didn't want to try to figure out a workable key mapping for a calculator I don't own. This is one feature that will need to be added by someone else if it's ever going to happen. That and the screen coordinates are the only thing that would need changing.

Reply to this comment    22 June 2006, 19:31 GMT

Re: Re: Re: Re: MulTI 0.1 Released
Kevin Kofler Account Info
(Web Page)

Thinking of it, the key mapping is non-trivial for the 92+/V200, at least significantly harder than for the 89 where you can practically map keys 1:1.

Reply to this comment    22 June 2006, 21:32 GMT

Re: Re: Re: Re: MulTI 0.1 Released
CajunLuke  Account Info
(Web Page)

I can't modify the program, but on the v200, here's some key replacements:

(83+ > v200)
arrows > arrows
2nd > Lock
ALPHA > Q
Mode > APPs
Del > Esc
Enter > Enter
numbers > numbers
clear > clear

I can't think of anything else that might be useful, but you can start there

for the 92+, you could use F1 instead of the Lock key and F2 instead of Q

Reply to this comment    23 June 2006, 16:38 GMT


Re: Re: Re: Re: Re: MulTI 0.1 Released
Jim Bauwens Account Info

Thanks for all the ideas.

Reply to this comment    23 June 2006, 18:33 GMT

Re: Re: Re: Re: MulTI 0.1 Released
lifeiscalc Account Info

You could test it for the v200 and 92 in tiemu.

Reply to this comment    23 June 2006, 17:07 GMT


Re: Re: Re: Re: Re: MulTI 0.1 Released
bukwirm  Account Info

Not legally.

Reply to this comment    23 June 2006, 22:18 GMT

Re: Re: Re: Re: Re: Re: MulTI 0.1 Released
Kevin Kofler Account Info
(Web Page)

This is not legal advice, but as far as I can tell, TI doesn't really care if you emulate a calculator you don't own as long as you own at least one of the 68k calculators, especially if it is for software development purposes (i.e. to test your own programs).

Reply to this comment    23 June 2006, 22:45 GMT


Re: Re: Re: Re: Re: Re: MulTI 0.1 Released
Nick Tarleton  Account Info

Regardless of legality, I haven't been able to find a ROM.

Reply to this comment    24 June 2006, 00:48 GMT


Re: Re: Re: Re: Re: Re: Re: MulTI 0.1 Released
CajunLuke  Account Info
(Web Page)

Go download TI's software update for the 92+ or v200.  They work.

Reply to this comment    24 June 2006, 13:31 GMT

Re: Re: Re: Re: MulTI 0.1 Released
nyall Account Info
(Web Page)

I've always considered it a common courtesy.
There are tons of 89 programs written by people who own an 92+/v200 that put the effort into doing an 89 port

Reply to this comment    24 June 2006, 23:41 GMT


Re: Re: Re: Re: Re: MulTI 0.1 Released
Lewk Of Serthic  Account Info

And plenty of that stuff doesn't work 100% since it was never tested. I see were he is coming from, and after all, he did GPL it.

Reply to this comment    27 June 2006, 04:19 GMT


Re: Re: Re: Re: Re: Re: MulTI 0.1 Released
Lewk Of Serthic  Account Info

And after scanning through the source a bit, I noticed that there was a comment in the source for the converter about it having to be patched a bunch to make it work on the 92/V200. I don't know how extensive that would be, but there would be no sence in simply recompiling the program if you can't convert the 8x programs.

Reply to this comment    27 June 2006, 04:34 GMT


Re: Re: Re: Re: MulTI 0.1 Released
thiemster  Account Info

If you get a TI-84 plus SE (or something else in that family ex. ti-83), could you make a new program that let's you run 86k programs on something in the ti-83 family? That would be really cool, since a lot of games for the ti-89 look really cool.

Reply to this comment    17 October 2006, 00:28 GMT

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