Introduction

AmiGer · 02 April 2004, 08:14

Introduction

What is CARE ?

Goal of this project is the reverse engineering of old retro games from the legendary Commodore Amiga and the modification of those games to own needs. This is achieved by disassembling/decompiling and analyzing the original unmodified binaries and reassembling/recompiling the created/modified sources. Well, everybody can imagine that this is a very time consuming process...

The second possibility to modify the games is to contact the authors and ask them to publish the original source code. Unfortunately in most cases they don't want to publish them, they are not contactable or the sources are lost... :-(

Another main goal is that the modified games shouldn't be a platform migration to a windows based system. The games are released for the original hardware (and - of course - can be emulated e.g. with WinUAE)...

Why - the hell - I'm doing that ?

...there are already so many games for the amiga and for other systems also...

1) Well, I don't know. Maybe it's because I have too much time. :-)

2) It's a great feeling to discover the source of games I played 15 years before and it's also great to find in-game secrets, analyzing programming and game protection techniques and so on... it's simply a good retro feeling...

3) I spent many hours with the amiga in my childhood and now I make a time travel... :-)

4) Why playing these newfangled games from today ?

- Barely no more innovative ideas
- Game copy protections that sometimes prevent the original game(!) to run...
- Buggy games are released only to reach the release date
- ...

5) I want to give some "new" software to the AMIGA community

6) It's fun - not work

7) AMIGA RULEZ

CARE is

Unfortunately it's just me for the moment...

AmiGer

For more informations refer to the home page of CARE...
(This page is hosted by discreetfx.com, thanks to Pyromania)

Dastardly · 02 April 2004, 12:46

Can you explain more what you mean by

'modification of these games to own needs' ?

Modifying them how?

RetroMan · 02 April 2004, 12:49

Quote:

Originally posted by Dastardly
Can you explain more what you mean by

'modification of these games to own needs' ?

Modifying them how?

Look at his website

Goal of this project is the reverse engineering of old retro games from the legendary Commodore Amiga and the modification of those games to own needs. This is achieved by disassembling/decompiling and analyzing the original unmodified binaries and reassembling/recompiling the created/modified sources. Well, everybody can imagine that this is a very time consuming process...

Dastardly · 02 April 2004, 12:53

Ok after looking at the Elite page I see what he means.

Seems like a good project

Bloodwych · 02 April 2004, 13:55

Sounds like a very worthy cause. Who says old should be discarded forever?

Well, 99.9% of the population but it's nice to be in that 0.1%.

Hope it goes well.

AmiGer · 02 April 2004, 15:25

Quote:

Originally posted by Dastardly
Can you explain more what you mean by

'modification of these games to own needs' ?

Modifying them how?

With "own needs" I mean:

E.g. imagine you have played one and the same amiga game for many years. Maybe one day it would be interesting to have an "extended" version of the game (for me it is interesting

). In ELITE for example to have more weapons/equipments/ships etc. without changing the whole game priciple.
Or to have some kind of editor for platform or map based games.
I don't want to invent new games. These games are already great. I just want to make them better...

I would be happy about every suggestion for games and ideas to realize. So "own needs" are not my needs only...

RetroMan · 02 April 2004, 21:45

Well, how about taking the Wing Commander Game and make a WC 2 for the Amiga out of it

?

New ships, new waepons, new missions ..... that would be really great

Joe Maroni · 02 April 2004, 21:56

or lionheart 2...

AmiGer · 03 April 2004, 10:00

I always enjoyed to play X-Wing and Tie Fighter on the PC but it's strange that I never played Wing Commander. I remeber that I tried it and I was killed after some seconds so I thought I was not made to play this game...
Lionheart. Yes, I'm interested in a platform game and in making some kind of level editor for it...

I will have a look on both but don't want to make promises. In general I would say I tend to more classic (older) stuff. E.g. in this case ELITE (already done) and Great Giana Sisters.
Maybe I should start a poll when I checked some more possible games.

LocalH · 20 August 2004, 11:47

Very nice, I'll have to look into this project a little more. I have a little experience hacking games for other systems (mostly the Sonic games on the Genesis), so I might be able to use some of that basic skill.

A slightly unrelated thing - I've always wanted to port at least Sonic 1 to the Amiga. I figure AGA should be able to handle it, even if the graphics and sound has to be dramatically redone for the Amiga's planar graphics and four-channel DACs as opposed to the Genesis' tile-based graphics and six-channel FM part (of which channel 6 can be turned into a DAC). The Genesis generally only used the Z80 for driving the FM part (in earlier games, it was used only for the DAC, and the 68k drove the FM part). The Genesis ran at 320x224 (or 256x224 like in Sonic 2's special stage), so it's easy to fit that onto either an NTSC or PAL screen (on NTSC, use a tiny bit of vertical overscan, on PAL extend it to 320x256 fullscreen, or go for the Genesis-exact look and letterbox the 224 line image with the background color).

Doc Mindie · 28 September 2004, 03:38

Great concept, AmiGer . . . I've downloaded both games on your site, I'll test them out tomorrow

Keep it up, is all I can say

AmiGer · 28 September 2004, 15:54

Thanks.

I know the project got a little bit quiet in the last time but I'm still active and I'm busy with it...

02 April 2004, 08:14	#1
AmiGer Registered User Join Date: Sep 2002 Location: Germany Posts: 349	Introduction Introduction What is CARE ? Goal of this project is the reverse engineering of old retro games from the legendary Commodore Amiga and the modification of those games to own needs. This is achieved by disassembling/decompiling and analyzing the original unmodified binaries and reassembling/recompiling the created/modified sources. Well, everybody can imagine that this is a very time consuming process... The second possibility to modify the games is to contact the authors and ask them to publish the original source code. Unfortunately in most cases they don't want to publish them, they are not contactable or the sources are lost... :-( Another main goal is that the modified games shouldn't be a platform migration to a windows based system. The games are released for the original hardware (and - of course - can be emulated e.g. with WinUAE)... Why - the hell - I'm doing that ? ...there are already so many games for the amiga and for other systems also... 1) Well, I don't know. Maybe it's because I have too much time. :-) 2) It's a great feeling to discover the source of games I played 15 years before and it's also great to find in-game secrets, analyzing programming and game protection techniques and so on... it's simply a good retro feeling... 3) I spent many hours with the amiga in my childhood and now I make a time travel... :-) 4) Why playing these newfangled games from today ? - Barely no more innovative ideas - Game copy protections that sometimes prevent the original game(!) to run... - Buggy games are released only to reach the release date - ... 5) I want to give some "new" software to the AMIGA community 6) It's fun - not work 7) AMIGA RULEZ CARE is Unfortunately it's just me for the moment... AmiGer For more informations refer to the home page of CARE... (This page is hosted by discreetfx.com, thanks to Pyromania) Last edited by AmiGer; 08 November 2005 at 07:49.

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02 April 2004, 12:46	#2
Dastardly Into the Wonderful Join Date: Mar 2002 Location: England Age: 49 Posts: 2,335	Can you explain more what you mean by 'modification of these games to own needs' ? Modifying them how?

02 April 2004, 12:53	#4
Dastardly Into the Wonderful Join Date: Mar 2002 Location: England Age: 49 Posts: 2,335	Ok after looking at the Elite page I see what he means. Seems like a good project

02 April 2004, 13:55	#5
Bloodwych Moderator Join Date: Jun 2001 Location: I'm behind you! Posts: 3,763	Sounds like a very worthy cause. Who says old should be discarded forever? Well, 99.9% of the population but it's nice to be in that 0.1%. Hope it goes well.

02 April 2004, 21:45	#7
RetroMan Registered User Join Date: Aug 2001 Location: Germany Age: 51 Posts: 3,704	Well, how about taking the Wing Commander Game and make a WC 2 for the Amiga out of it ? New ships, new waepons, new missions ..... that would be really great

02 April 2004, 21:56	#8
Joe Maroni Moderator Join Date: Feb 2003 Location: Germany Age: 44 Posts: 1,303	or lionheart 2...

03 April 2004, 10:00	#9
AmiGer Registered User Join Date: Sep 2002 Location: Germany Posts: 349	I always enjoyed to play X-Wing and Tie Fighter on the PC but it's strange that I never played Wing Commander. I remeber that I tried it and I was killed after some seconds so I thought I was not made to play this game... Lionheart. Yes, I'm interested in a platform game and in making some kind of level editor for it... I will have a look on both but don't want to make promises. In general I would say I tend to more classic (older) stuff. E.g. in this case ELITE (already done) and Great Giana Sisters. Maybe I should start a poll when I checked some more possible games.

20 August 2004, 11:47	#10
LocalH Amiga user since 1990 Join Date: Aug 2004 Location: Kingsport, TN / USA Age: 44 Posts: 295	Very nice, I'll have to look into this project a little more. I have a little experience hacking games for other systems (mostly the Sonic games on the Genesis), so I might be able to use some of that basic skill. A slightly unrelated thing - I've always wanted to port at least Sonic 1 to the Amiga. I figure AGA should be able to handle it, even if the graphics and sound has to be dramatically redone for the Amiga's planar graphics and four-channel DACs as opposed to the Genesis' tile-based graphics and six-channel FM part (of which channel 6 can be turned into a DAC). The Genesis generally only used the Z80 for driving the FM part (in earlier games, it was used only for the DAC, and the 68k drove the FM part). The Genesis ran at 320x224 (or 256x224 like in Sonic 2's special stage), so it's easy to fit that onto either an NTSC or PAL screen (on NTSC, use a tiny bit of vertical overscan, on PAL extend it to 320x256 fullscreen, or go for the Genesis-exact look and letterbox the 224 line image with the background color).

28 September 2004, 03:38	#11
Doc Mindie In deep Trouble Join Date: Sep 2004 Location: Manchester, Made in Norway Age: 51 Posts: 841	Great concept, AmiGer . . . I've downloaded both games on your site, I'll test them out tomorrow Keep it up, is all I can say

28 September 2004, 15:54	#12
AmiGer Registered User Join Date: Sep 2002 Location: Germany Posts: 349	Thanks. I know the project got a little bit quiet in the last time but I'm still active and I'm busy with it...

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