my complements to you, patrick!
good job!
i believe this to be the first (or at least one of the first) shells not made by TI. It is very refreshing to see someone make an OS other than TI. more choices = more better!

True. I also like how many of the functions are smaller and faster.
Will the shell ever support algebra?

i have no idea how to make this run on my calc!!
some1 wanna help me out here...
angelboy maybe...

-jordan

You need to use the TIB Receiver.

Yes, but nobody seems to know where version 1.20 is?

It's right here in the archives, the version number in the file list is mislabeled. (See the readme file.)

then it would be even better!

it would be the best if you could get the entire CAS on there, only smaller.

-W-

CAS?

CAS = Computer Algebra System. I think.

Yes, that's right. Basically he was saying that it would be best if EVERY feature of the TI operating system [OS] was on this operating system...then the integration, solving, etc. wouldn't be lost...

BTW, no_one...the world has managed to end yet a third time!!! (see 68k POTY discussion if you don't understand what I'm talking about)

Ugh! I know! When I got on at school, there were only a few comments, but I didn't have enough time to make one (had to get off). NOW, I come on, and EVERYBODY has a comment. >:O I'm getting worse and worse at this.

Now... should I replace PreOS with this? This is 2.08/2.09 workable, right? I guess that doesn't really matter, though (2.05 is better). Also, does it work with the evil HW1? GRr... have to log off AGAIN...

>This is 2.08/2.09 workable, right?
This isn't workable with ANY AMS version, it REPLACES AMS. You'll lose all useful functions from AMS (CAS etc.), so I'd strongly recommend against installing this on a real calculator.

Specially if you don't understand this.

Oh wow, it's an actual OS? I thought that that was just the name of it and that it was a shell of some sort, like DoorsOS, not a complete OS. Wow, that's pretty interesting. I bet it was hard to make...

Please don't tell my you were serious.

If you were, let me make you feel stupid:

Where did you think all the extra flash rom was coming from? Not to mention all this stuff about a tib reciever. Heses....

-W-

LOL, yes, I see now. Thank you VERY much for sharing your infinite wisdom.

Arrgh, any time, matie, any time.

Oh, and I thought the "your mom" was supposed to be funny, so not hurt on my part.

-But can you live with yourself now? I am W-

btw, this OS was MADE for HW1 calculators.

Alright, thank you. That's what I wanted to know. But it sounds a little risky to do all the transferring of the OS and stuff, so I don't know if I'll try it or not.

Yay! :-) It's good to see some people still like the HW1 Calculators. I have 2 of them (don't ask) and am saddened they don't support a clock, but hey - they still have the original greyscale! :-)
Good job pphd.

It was made for both HW1 and HW2.

That, and I am sure that this guy can write a better, smaller one, and still have plenty of ROM left over.

-W-

Don't be too sure. Writing a CAS isn't trivial.

Writing a CAS for an alternate operating system would probably be just as difficult as writing the operating system itself.

Right, but we all know that TI is notorious for not caring about size. If someone that cared tried, they could probally conserve a lot of space. That was my point.

-W-

Look at the TI Flash Studio documentation. Much of the CAS functions are in there (Algebra Utilities), so it might be possible to write, instead of a new OS version, a simpler TSR.

BTW, that might be a solution to many of these complaints about inadequacies and incompatibilities-write more TSRs.

I don't think you can use that code.

Yes, using TI's SDK documentation code in that way sure is illegal. It is nowhere near fair use if you copy all of it.

It's illegal to copy it-not to write a program. That's why I thought a TSR would work-that would be about the only legal way around it with no performance repercussions.

I assume that by "write a program", you mean "copy the code into a program"...

No! TI Flash Studio is a compiler, with a header file, tiams.h. The idea is to write a program and compile it there, using <tiams.h>!

Yes, I know that. tiams.h is code written by TI. You can't legally write an operating system with it because of the licensing restrictions they put in place.

hmm... but you were talking about just a TSR here, not an OS... I don't know what the legal situation is for those.

The legal situation is that it's perfectly legal.

They want us to write programs using that (or else they wouldn't make it).

tiams.h doesn't actually contain the implementation of any of those functions, it just imports them from AMS.

How, if it's compiled...oh, right, ROM calls, never mind.

Unfortunately there is no Flash App support in PedroM (yet).

TSRs aren't apps. They don't show up on the desktop.

yes.

Wow, that's really cool.
But I'm surprised TI hasn't made a stink - remember Michael Vincent's replacement OS for the TI-83+?

The reason TI made a stink is because he talked about reverse-engineering their OS, which is illegal (I believe under the DMCA, of all things). Creating your own from scratch (down to the point where you write your own OS calls) is perfectly legal. That's why Microsoft can't tell you that you can't put Linux on your machine, just because it came with Windows.

Reverse engineering is legal in certain circumstances. Sega v. Accolade, Connectix v. Sony, and a number of other computer-related cases have all turned up the same way.

The DMCA provisions (s. 1201 and 1202 specifically) state that it is illegal to bypass technological protection measure, specificallycode designed to prevent access to a copyrighted work. Broadly construed, that could mean a lot of things (in a case in 1999, a judge ruled that a 1-bit hash was a sufficient TPM). So a DMCA claim would be frivilous at best.

I tested a few programs on PedroM 0.80 on a VTI 89. These can be added to the PedroM-compatible list:

Streets of Rage 3
Lemmings
Space Dementia
Ice Hocker 68k (semi-compatible: it runs fine but way too fast.)

Keep up the good work, Patrick!

I tell you one that cannot. The link to a breakout game. I don't know why, but it will not work with pedrom. It is really weird what Happens.

-W-

Running fast isn't a problem at all... I think it's a bit slow on my HW1.

Although Prosit is mentioned in the readme file, whenever I try to run it with VTI (on PedroM, of course), it crashes.

Prosit relies on many difficult hacks: it tries to corrupt the Window struct to get some stuff working.
But Prosit should be interrelly rewritten.

I used the hacks in order to be able to use TI:s drawing functions (lines, chars, strings, all the clipping). Heck, it's even inter-twined with the scheduler... =)

Never got that far on Prosit2 - it was supposed to be a complete rewrite with its own internal memory handler and graphics functions and everything. I still have those sources somewhere, might pick it up now that there's apparently a platform to run it on. ;o)