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#1 2013-04-13 13:44:55
- 80C
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- Registered: 2013-03-16
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R\B repointing map problem - Error.
I repointed the Route 15's map header to 0x18892C, the event data to 0x18894E & the level data to 0x1889CC.
I did all the header changes needed, I also changed the adress in the table that begins at $1AE & the bank (now 60) in the table that starts at $C232 or something like that (now I don't remember the exact adress but I have it).
I tested the map but when I enter it the game freezes, with BGB freezes and says nothing, with vba(I know it isn't the best emulator) it freezes and says: error at 8018.
(The original map header & data for the Route 15 that starts at $5892C were replaced so I could add an extra town, that map has its own data and works perfectly).
So, where's the problem? Why that map doesn't work?
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#3 2013-04-14 19:04:10
- Tauwasser
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- Registered: 2010-10-16
- Post 380/452
Re: R\B repointing map problem - Error.
You give too little detail. The only "advice" you can get at this point is to double and triple check your changes. I bet there is something wrong with them.
Also, make sure you didn't save on the map itself or on the map next to it. Data for changing maps is already in RAM when you do. You need to save somewhere else so the data will be correct once you travel to your destination map.
cYa,
Tauwasser
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#4 2013-04-15 12:57:30
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Re: R\B repointing map problem - Error.
You give too little detail. The only "advice" you can get at this point is to double and triple check your changes. I bet there is something wrong with them.
Also, make sure you didn't save on the map itself or on the map next to it. Data for changing maps is already in RAM when you do. You need to save somewhere else so the data will be correct once you travel to your destination map.cYa,
Tauwasser
I already triple checked my changes, yes, I've found something wrong but now the map should work well, I just repointed all the adresses and put to those places all the data (such as map tile displacement, object data, etc.)
and changed only the bank (now $60) because the rest of the adress is the same.
I simply repointed the map #026(decimal, map#00 included in the numeration) of the game [Route 15], so there aren't other maps near-by, because I expanded my Red Rom so I have a lot of free space (Now it goes to 2Mb instead of 1Mb).
The checksum is good, I edited all the information in Bank 0 & then fixed the checksum with BGB.
Data for changing maps is already in RAM when you do. You need to save somewhere else so the data will be correct once you travel to your destination map.
Do it mean that I must repoint that map in a Bank used by the RAM?
I watched as example other Red hacks where maps were repointed in banks over $50 (for example: Pokemon Brown, it has many maps near to my map's adress in the rom).
If the map is placed in a bank used by the RAM... how to associate new Banks so they could be used by the RAM?
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#6 2013-04-20 16:20:44
- 80C
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- Registered: 2013-03-16
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Re: R\B repointing map problem - Error.
I discovered where's the problem!
I need add the Maps Text Pointers of Route 15 & the Maps "Script" and their pointers, I know how to set the pointers in the Map Header,
But I absolutely need to know where are located in the Red Rom the maps text pointers of Route 15 and the maps script of route 15 so I could add them just after the Map Data (the tiles' placement) and the job is done!
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