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MicroSheep Releases Sonic MisAdventures
Posted by Nick on 16 November 1999, 23:31 GMT

Sonic MisAdventuresPatrick Pelissier, maintainer of MicroSheep, released Sonic MisAdventures for the 89, 92, and 92 Plus today (download it from the web site). Uh, it's basically a clone of Sonic the Hedgehog ;-) There's not much else to say about it. It has astounding graphics and wonderfully smooth animation, and you should really check it out as soon as possible.

Also, the Microsheep site is in French, so be warned. :)

Update: The program was originally submitted to our archives against the wishes of the author; it has been removed from our archives, but you may download it from MicroSheep.

 


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Game Freezes on Startup of Sonic MisAdventures
Jason Miller  Account Info

I upgraded the Flash-Rom on my Ti-89 when I first got it and it seems like half the games dont work on it for some reason. Like this game, on startup...the first screen is there, but it freezes. I have done a little bit of 68k assembly and it seems I had to find this wierd way around the loop cause in the tutorials the way they did it would lock up the calculator. Please Reply with help, Jason wants to play! =0p

     17 November 1999, 03:37 GMT


Re: Game Freezes on Startup of Sonic MisAdventures
Scott Noveck  Account Info
(Web Page)

I highly recommend you downgrade to ROM v1.00 -- otherwise, you'll need to get the ROM Patcher at http://calccity.calc.org and patch every program to run on your ROM version (and they may still not run right =)

     17 November 1999, 04:05 GMT

Re: Re: Game Freezes on Startup of Sonic MisAdventures
David Ricciardi
(Web Page)

yea that may help people that dont have hardware version 2.00, but we dont have the option to downgrade, heh im not one to complain ( to mutch ). but it would be nice to have alittle bit of greyscale every now and then ;)

     17 November 1999, 04:31 GMT


Re: Re: Re: Game Freezes on Startup of Sonic MisAdventures
h4X0r  Account Info
(Web Page)

Have you read Scotts post in the A-89 lists? We now have some information to make grayscale possible on HW 2.00 (Whoopee!) Hopefully all the grayscale stuff will look the same (if not better) than the original TI-89s!

Scott: Where did you get the info from originally?

     17 November 1999, 04:50 GMT


Re: Re: Re: Re: Game Freezes on Startup of Sonic MisAdventures
lexlugger

It will probably look worse.

     17 November 1999, 10:41 GMT


Re: Re: Re: Re: Re: Game Freezes on Startup of Sonic MisAdventures
Niklas Brunlid  Account Info
(Web Page)

If we manage to put the second (and third) plane at the required addresses it will look exactly the same.

     17 November 1999, 12:46 GMT


Re: Re: Re: Re: Re: Re: Game Freezes on Startup of Sonic MisAdventures
h4X0r  Account Info
(Web Page)

What are the addresses? I would happily fix all of the current grayscale games with source code and give them to the author. I just need those addresses.

     18 November 1999, 00:19 GMT


Re: Re: Re: Re: Re: Re: Re: Game Freezes on Startup of Sonic MisAdventures
Scott Noveck  Account Info
(Web Page)

Niklas has done a little bit of research for me, and it may not be quite that easy, but not tremendously difficult.

All greyscale planes may ONLY be at addresses $4c00, $5c00, $6c00, and $7c00 on the new calcs. However, the data at these addresses is used by TI, so I believe that they must be preserved when the program runs.

Greyscale right now just uses tios::heapalloc and uses the area it returns as the second greyscale layer -- however, HWv2 does not allow the second plane to be at the address.

Instead, I've proposed the following workaround: Create the buffer (3840 bytes) with tios::heapalloc, then copy the 3840 bytes at $5c00 into that buffer. Use $5c00 as the location for the second plane. When finished with greyscale, copy the 3840 bytes in the buffer back to $5c00. I think that this will work, assuming that TI's interrupts create a problem.

Note that this requires a modification to the SOURCE -- I don't think a general patching program will fix this.

Right now, greyscale technically "works" but the second plane is never SHOWN. This is bearable in programs using LCD_MEM ($4c00) as the DARK plane, as the graphics will be decent, but NOT in programs using it as the light plane (solitaire, using grey4lib). I'll try to get grey4lib working later this week. . .

     18 November 1999, 00:57 GMT


Re: Re: Re: Re: Re: Re: Re: Re: Game Freezes on Startup of Sonic MisAdventures
h4X0r  Account Info
(Web Page)

Wow. thanks for the info. I will get right to work on fixing these programs to work. I'll email you if I can get one working.

     18 November 1999, 03:22 GMT


Re: Re: Game Freezes on Startup of Sonic MisAdventures
yosweetlady  Account Info

anyone mind e-mailing me the patched version of this program? I can't patch it on my computer.

     17 November 1999, 05:28 GMT

Re: MicroSheep Releases Sonic MisAdventures
Blue_Z  Account Info
(Web Page)

This game is amazing ! From a technical point of view, this is by far the best game I have ever seen on a 68k-based TI. I can't remember of any other game using a double scrolling. I would never have though it could be so fast ! Great job Patrick !

Btw, there is an error in this article : Patrick Pelissier is NOT the maintainer of Microsheep, not even a member.

     17 November 1999, 12:43 GMT

Re: Re: MicroSheep Releases Sonic MisAdventures
h4X0r  Account Info
(Web Page)

That is true, this is a very impressive job of coding. On a side note, are you the author of Bigdyna? If you are, are we ever going to see a version of bigdyna with grayscale on the TI-89 Hardware Version 2.00?

     18 November 1999, 00:22 GMT

Re: Re: Re: MicroSheep Releases Sonic MisAdventures
Scott Noveck  Account Info
(Web Page)

I'd be glad to help you out with that, I like the game.

My only complaint is that the game is hard enough on a 92/92+ but IMPOSSIBLE on an 89. The screen is too small to see far enough ahead, so I can't see the guys who move through blocks until they're almost on top of me. It's fun, but would you mind trying to tone down the difficulty a bit? =)

     18 November 1999, 01:00 GMT

Re: Re: Re: Re: MicroSheep Releases Sonic MisAdventures
h4X0r  Account Info
(Web Page)

"Impossible" come now, its not that hard. I almost beat the whole game the first time I played it. But a reduction in "difficulty" would be appreciated.

BigDyna OWNS!
Scott's website is informative. (scott.acz.org)

     18 November 1999, 03:26 GMT


Re: Re: Re: Re: MicroSheep Releases Sonic MisAdventures
Blue_Z  Account Info
(Web Page)

I know the game is really too hard, I will fix it in a next version, along with the multiplayer version...
You could help me by providing me some informations about grayscales on hardware 2.0...

     18 November 1999, 12:51 GMT


Re: Re: Re: MicroSheep Releases Sonic MisAdventures
Blue_Z  Account Info
(Web Page)

Yes, I'm the author of Bigdyna. Since I don't have any informations about the hardware 2.0, I can't realize this version.
I read somewhere that these informations where given on the A89 list, unfortunately I don't read it, so if someone could send me these it would be great !

     18 November 1999, 12:42 GMT


Re: Re: Re: Re: MicroSheep Releases Sonic MisAdventures
h4X0r  Account Info
(Web Page)

Just ask Scott! He seems to be the current expert on the subject.

     19 November 1999, 00:40 GMT


Double Scrolling
Owen Evans  Account Info

is this double scrolling two-dimensional scrolling? I seem to remember that there was two dimensional scrolling in the early versions of sqrxz for the TI-85. So therefore, it is not the first calculator game to have 2d scrolling =)

     18 November 1999, 02:59 GMT

Re: MicroSheep Releases Sonic MisAdventures
Rob Hornick  Account Info

This game is a game I have been wanting to see for a long time (I loved Sonic the Hedgehog on my Genesis and now I have it on my Dreamcast) but unfortunately I get a "Libraries relocation error". I am running a TI-89 Hardware 1.0 with ROM 1.05 and all my libraries are patched. I am currently using DoorsOS version 2 beta but I'd be willing to switch that if I had to.

     18 November 1999, 03:47 GMT


Re: Re: MicroSheep Releases Sonic MisAdventures
Elliot Olney  Account Info
(Web Page)

You have to uninstall doorsos, and install the kernal it comes with. That is the only way I know of to get it to work.

     18 November 1999, 06:38 GMT

Re: MicroSheep Releases Sonic MisAdventures
L_Kishyak  Account Info
(Web Page)

Speaking off 89s,92s, and 92+s, which one should I get? or are they all the same?
The game looks great...how can I get it for an emu? do I need a 92+ to get an emu?
let me know...guitarguy@rescueteam.com

     18 November 1999, 19:48 GMT

Re: Re: MicroSheep Releases Sonic MisAdventures
Robbie Rothermel Account Info
(Web Page)

First calc I ever got (when I was 12), was a TI-92. It was cool. I learned to program it in BASIC code but never released any of those programs. Then I got it upgraded to a TI-92+. That was even cooler.

I'd personally recommend buying a TI-92+ if you can afford it, cause they're cool calcs. There's a program that converts most TI-92 assembly programs to TI-92+ assembly, and also a program that lets you run most TI-89 programs on a TI-92+. Notice that each of these conversions is limited. Most TI-92 programs run fine on a TI-92+, but there are a few exceptions (mostly programs which access or create files). Most TI-89 programs also run on the TI-92+ (you can't run 89 progs on a 92), but the keyboard is all messed up. Usually this isn't too much of a problem though.

The only real problem I had with my TI-92+ is the linkport, which is currently broken. Most TIs have this problem, though I noticed it wasn't as much of a problem on TI-8x calcs. Anybody know why TI doesn't use an infrared port for their calcs (like Casio does)?

     19 November 1999, 19:10 GMT


Re: Re: MicroSheep Releases Sonic MisAdventures
Robbie Rothermel Account Info
(Web Page)

I forgot to mention, you could probably get the TI-92, make a ROM dump, then upgrade to a TI-92+, get ROM dump off of that, and then you'd have a TI-92+ and the ROMs for both the TI-92 and TI-92+.

And TI-9x calcs come with Cabri Geometry...

     19 November 1999, 19:44 GMT

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