Sounds like you might need a master code. I'll look into it when I get home from work.
EDIT: Are you using real hardware, or an emulator? If an emulator, which one?
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Yes. Enter the master code, and then enter up to 4 other codes as well.
The reason you need the master code is because when the game first starts, it goes through the entire ROM and adds up every single byte, and then compares that total to what the total is supposed to be. If the two don't match, it will give you a blank screen and the game won't run. Well, a Game Genie code will cause one of those bytes in the ROM to change, so the totals won't match. A master code just makes it ignore the fact that the two don't match.
Someone referred me over to this thread from one of my other threads (http://www.sega-16.com/forum/showthr...ne-Color-blind)
I'm color blind, so i've got a little trouble playing Dr Robotnik's Mean Bean Machine. Is there any way the color pallet can be altered with a code? Red and green, and purple and blue are the colors that I can't differentiate.
Have made some progress. I know this isn't what you were looking for, but I'm just posting new codes as I dig deeper into the game.
Here's how this code works... whatever two colors you start out with will be the same two colors you always get for the entire level. This makes it much easier to match colors since there will only be 2 different colors. It also applies to the CPU.
Dr. Robotnik's Mean Bean Machine
AVBT-AA8J
Your next pair of beans are always the same 2 colors for the entire level.
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Back to work on more codes.
HappehLemons, I've made a little more progress. With Game Genie codes, I can now completely change which colors are used in the game, but are still limited to the original 5 colors (red, yellow, green, purple, and blue). What this means is we can eliminate any of those colors, or change one color for another. Would any of that be helpful? If so, let me know which color(s) you want changed.
I'm also working on a "glitch" bean that can be swapped with another color. The glitch bean is not shaped at all like the normal beans, so it will be very easy to tell them apart just by their shape. I'm having a hard time getting it to work right though, so no guarantees.
Here's a sample code for you to try. You mentioned that you have trouble differentiating between red and green, and purple and blue. This code eliminates green and purple beans by switching them with red and blue. So if the game calls for a green bean, it will use a red bean instead, and purple is replaced with blue. Let me know if it's any help.
Dr. Robotnik's Mean Bean Machine
AY7T-AAB2
No green or purple beans.
EDIT: Still working on adding completely new colors (or shapes), but no luck so far.
Tony H, thanks for the excellent work. Although that's not the resolution I was looking for it's still very cool that you were able to find something that'd help me out. I knew this was a pretty unique request so anything you're able to find is great.
Good news... As I mentioned earlier, I've never really done any color hacking before, so I did some reading and finally got it figured out. I found the palette for the purple bean, and successfully change it's color to white, pink, and black. Yea.
There is a small problem though... If you look closely at any one of the beans, you'll see that they are in fact not a solid color. Each bean has several different shades of color. If you were using an emulator, that wouldn't be a problem, but because the actual Game Genie has a 5 code limit, we're going to have to compromise. Since we'll want to change the color of 2 beans, we can use 2 codes on one bean, and 3 codes on the second bean. Some of the old color might still be there, but I think if we change the outer most layers, you'll be able to differentiate between the other colors.
I need some info from you. Since I already found the palette for the purple bean, I hope it's OK if we make that one of the beans that we change. If the purple bean is OK with you, I'll need to know what color would be best to change it to. You can pick ANY color you want. I'll also need to know which other bean you want to change, and what color you want it changed to.