2.3 KiB
FAQ
Questions
- What is pokecrystal11.gbc?
- Can't build ROM; "ERROR:
UNIONalready defined" - Can't build ROM; "Segmentation fault" from
rgbgfx - Can't build ROM; "Section is too big" or "Unable to place section in bank"
- How do I edit maps?
- How do I write new features?
- I need more help!
What is pokecrystal11.gbc?
Version 1.1 of Pokémon Crystal, which fixed some issues with the initial international release. make crystal11 defines _CRYSTAL11 so the assembly builds the changed version.
Can't build ROM; "ERROR: UNION already defined"
Download rgbds 0.3.3. Earlier versions will not work.
Can't build ROM; "Segmentation fault" from rgbgfx
If you are using 64-bit Windows, download 64-bit Cygwin and 64-bit rgbds.
Can't build ROM; "Section is too big" or "Unable to place section in bank"
If you have not changed any of the asm, make sure you have the latest version of pokecrystal and the correct version of rgbds (see INSTALL.md).
If you added or changed any code, it has to fit in the memory banks. The 2MB ROM is divided into 128 banks of 4KB each, numbered $00 to $7F. The linkerscript pokecrystal.link lists which SECTIONs go in which banks. Try moving some code into a new section.
How do I edit maps?
For asm scripts, read docs/map_scripts.md. For blk layouts, try crowdmap or Polished Map.
How do I write new features?
There are a number of special-purpose scripting languages used for different purposes, as described in docs. For more general features, you'll need to code directly in assembly language. See docs/assembly_programming.md.
I need more help!
Try asking on IRC or Discord (see README.md).