Sonic CD: Mega Drive Editon

This is a hack of Sonic 1, with all the levels ported.

You don't even need a Mega CD to play this!

Look at the info before downloading.

Download Here.

Check back to look at the list for more updates!

There is more to come later.

 

The concept is cool and I do look forward to seeing more. Also that SEGA screen is pretty badass. 

 

I'm probably doing something wrong, because whatever I do, I die:




I can change the timezone, but I always die. The readme says it only works in Regen, maybe that's why

 

Wow cool idea. I wonder why it only works in regen.

 

The chunks are decompressed to SRAM. Someone on IRC told me not to do that.

If I store the chunks uncompressed in ROM, the rom size will be bigger.

That is the only way the ROM will work on every emulator.

 

Congratulations, good sir. You're taking advantage of the poor emulation of SRAM in Regen, meaning that it doesn't break when proper SRAM-handling emulators do. By the way, hardware concurs with the emulators and breaks as well. The fact that you think that the only way to do this is through flat mapping the ROM past 4MB or breaking the rules and using SRAM as work RAM shows you really don't understand what you're doing. Please, just stop and read the documentation before continuing, because it seems you don't have anywhere near as good of a grasp on the code and hardware as you try to show you do.

 

full marks for trying but I dont think its quite there - there is a better way to load chunks than using sram... thats propper dodgey !!!

 

Well it is not that you are not supposed to do that there is nothing wrong with decompressing to sram in fact I think it is a very clever way to expand ram. Also note that there is such thing as word sram which should help with this.

The chunks are decompressed to SRAM. Someone on IRC told me not to do that.

If I store the chunks uncompressed in ROM, the rom size will be bigger.

That is the only way the ROM will work on every emulator.

 

If I may offer my honesty here, it's a pretty nifty effort, well done!

I am a tad curious to know though, is it really impossible to store all of the chunks uncompressed within the ROM? I mean, have you "tried" it first hand?

 

I don't know what version of Regen you're using, but it doesn't even work in that for me; PPZ1 Present I just fall to my death with no chunks visible at all (after a Metallic Madness title card), Past I end up inside chunks and get to a part of the level that's inescapable, both Futures give me the same except I can actually traverse things.

If, somehow, you could get a cartridge with "Word SRAM", I wonder if hardware would support it in the first place. Probably not, but eh. Uncompressed, how big does the ROM get? It might be a better idea to go down the bank switching route rather than this.

 

Is there a reason why your sound test goes "...7, 8, 9, D, E, F G, H, I, 10, 11..."?

 

The chunks are decompressed to SRAM. Someone on IRC told me not to do that.

If I store the chunks uncompressed in ROM, the rom size will be bigger.

That is the only way the ROM will work on every emulator.






I'm no master at MD, but reading from documents and talking to people who ACTUALLY work with the hardware itself, this sounds like a stupid idea. You can't use SRAM as a cheat way to get all your shit to fit in the ROM. To be perfectly honest, the term "SuperEgg-rigging" is a more appropriate term to what you're doing than "hacking". You are literally using something that was never intended to be used for art or whatever to do a quick fix to a much bigger problem. Using SRAM for holding your chunks is just a quick "fix" that you will soon see will never work out in the end. You need to come up with a better way to solve this problem.

 

So I've been working on my hack "See's this hack".

*Slams head to desk. So I might need to trash my hack or do something else now. In all seriousness I proberly won't but oh well, I'll just have to make it different some how. More on topic, looks impressive so far well done.

 

The best way you have to make your hack different from this one is to get yours to work fine :3


*runs*

 

Nooo, please don't! :c

First off, your hack is more stable. Secondly, it has custom level art and some new code...

 

I was fixing to say, keep your hack, at least the damn thing works and doesn't eye rape me the second I attempt to play a level.

 

Like everyone else said, why SRAM? Cinossu mentioned bank swapping, and this right here would have been the best route to go down most likely. It's a cool concept, but if it can't work right then it definitely needs to be fixed. Also Animemaster, I really like your take on your hack it's not exactly the same as Sonic CD, but it works out well. The artwork is superb, but this isn't the topic to praise about your hack. :V I'm tempted to try this out but I have a feeling it won't work for me...

 

It works for me in Regen (only PPZ and TTZ seem to work) but you have to use debug mode (hold A while level starts) to find the ground.

I wonder if uncompressed level chunks would even push the rom past the limit? This is a neat idea but I feel like hacks should run on real hardware + good emulators. I feel like maybe some people are being overly harsh about this.

 

The level select text is in ASCII format.

 

It's not impossible.

First off, uncompressed from ROM,

Second, decompressed to SRAM,

Then right now, uncompressed from ROM.

The chunks would not be a problem anymore.