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Diffstat (limited to 'README.md')
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1 files changed, 9 insertions, 12 deletions
@@ -97,24 +97,21 @@ To apply the generated profiles: make PROFILE=APPLY ``` -PGO can lead to major speed improvements with some emulators. +PGO can give noticeable speed improvements with some emulators. ## Notes on cores In order to make development and testing easier, the Makefile will pull and build supported cores. -A few common changes will need to be made when you add cores, since TrimUI is not a supported libretro platform. picoarch has a `patches/` directory containing needed changes to make cores work well in picoarch. Patches are applied in order after checking out the repository. +You will have to make changes when adding a core, since TrimUI is not a supported libretro platform. picoarch has a `patches/` directory containing needed changes to make cores work well in picoarch. Patches are applied in order after checking out the repository. -Common changes include: +At a minimum, you need to add a `platform=trimui` section to the core Makefile. -- Adding a `platform=trimui` target to the core Makefile -- Modifying `libretro_core_options.h` to shorten text and change defaults for small screen / low power devices -- Hiding unnecessary core options and forcing different defaults +Some features and fixes are also included in `patches` -- it would be best to try to upstream them. -picoarch also keeps the running core name in a global variable. This can be used for: +picoarch keeps the running core name in a global variable. This is used to override defaults and core settings to work more nicely within picoarch. Overrides based on core name are kept in `overrides/` and referenced in `overrides.c`. These are used to: -- Renaming buttons to match the core's system -- Adding frameskip to make fast-forward faster -- Displaying extra options or hiding unnecessary options - -Some features and fixes are also included in `patches` -- it would be best for them to be upstreamed eventually. +- Shorten core option text and change defaults for small screen / low power devices +- Rename buttons to match the core's system +- Reference frameskip core options to make fast-forward faster +- Display extra options or hide unnecessary options |