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Finding character's EXP curve on Breath of Fire IV

 
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kamiknx
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PostPosted: Sat Jan 08, 2011 10:14 am    Post subject: Finding character's EXP curve on Breath of Fire IV Reply with quote

I want to find the required amount of EXP to level up.

For this I did the following:
- Start a new game
- Get Ryu and go on the first random battle map

Ryu starts with 0 of total EXP, which leaves the "next" exp on 10. I saved the state and had a fight. By the value change of the "total" exp I could find the address. The problem is the "next" EXP, I can't find it when it changes. I guess it is not stored, just displayed after being applied on some formula.

I am trying to find out what this formula is, I guess if I find out I might find the graph of each character EXP, that's my goal.

I'm running Breath of Fire IV US version on ePSXe 1.7.

The relevant address I found (Ryu on slot01):

Code:
Level     - 00A66976
Total EXP - 00A66978


Does anyone have some tips to help me find the EXP required on each level? I want to find:

Code:
Ryu
LV 01 - 10
LV 02 - 30
LV 03 - 70


"Next EXP" of each level with "Total EXP" at 0. I can find out changing the level and writting the values down, but I really want to find the table, formula or whatever is there.





Any hints on how can I get that? Can anyone help me?

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Geri
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PostPosted: Sat Jan 08, 2011 10:30 pm    Post subject: Reply with quote

Check out what codes are accessing to Your EXP when You get some EXP. Maybe You will find a cmp instruction in the codes (as it has to compare the exp to the exp limit for sure).
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kamiknx
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PostPosted: Sun Jan 09, 2011 12:00 am    Post subject: Reply with quote

On the status window it constantly updates. I can get 4 different places that access the exp. I tried to place some breakpoints with no luck. It seems my breakpoints fall in a generic method, I saw even float values over there. (The exp is a 4byte for sure)
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Geri
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PostPosted: Sun Jan 09, 2011 1:10 am    Post subject: Reply with quote

Check out the codes which are reading the exp and find out what is the program doing with the value. It has to compare the value at some point.
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