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sdlretro's Introduction

sdlretro

This is a lightweight libretro frontend written for SDL, aims to write simple codes that are easy to maintain, and optimize performance on retro devices like GCW-Zero and RG-350.

Build

  • Use CMake 3.0 or later to build the project
  • SDL 1.x and FreeType are requrired, and all platforms that supported by SDL 1.x(in window mode or fbdev IPU scaling) and FreeType should be supported as well
  • for GCW-Zero/RG350:
    1. create build folder and run cmake -DCMAKE_BUILD_TYPE=Release -DMODEL=gcw0 .. in it
    2. run make to build the binary
    3. run ./make_opk.sh in folder opk to build Lite Version
    4. or create a folder cores in opk and put all core files into the folder, then run FULL=1 ./make_opk.sh to build Full Version

Installation for GCW-Zero/RG350

  • Full version: Just copy sdlretro-full.opk to app folder
  • Lite version: Copy sdlretro.opk to app folder, create /media/data/local/home/.sdlretro/cores and put core files in the directory.

Run

  • Select game rom to run, if rom file type is supported more than one core, a core selection menu is popup first.
  • Rom in zip is supported if there are no more than 2 files (one rom file and one dir/readme) in the zip. If the core does not support in-memory rom load, the rom in zip will be extracted to .sdlretro/tmp and removed on exit.
  • Use power-flick to enter menu.

CREDITS

sdlretro's People

Contributors

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Stargazers

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Watchers

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Forkers

lualiliu neights dwedit funkey-project winteriscomingpinball konsumer

sdlretro's Issues

[SDLRetro][FunKey S] Newer API calls make the app crash

Hardware: FunKey S (SoC V3s ARM Cortex A7-A clocked @ 1.2GHz)
Software: sdlretro for the frontent (https://github.com/FunKey-Project/sdlretro) and FBNeo 1.0.0.03 for the Libretro core (compiled from last b7bebfe).

Newer API calls make the app crash without any notice. SDLRetro does not seem to handle them well.

I can't launch any game from FBNeo, even if the CRCs match perfectly the ones in https://github.com/libretro/FBNeo/tree/master/dats. All it does is bringing me back to the desktop (GMenu2X). Windows port works fine with 1.0.0.02 roms (this port has not been released in 1.0.0.03 yet so I can't compare with the exact same romset).

Here is the only error message I get in GMenu2X logs:
[07-05 08:36:26 I] Unhandled env: 0x22
[07-05 08:36:26 I] Unhandled env: 0x3E

Here is the discussion about it: libretro/FBNeo#818

build (mac) issues

On mac (M1, OSX 12.3) I get this:

/Users/konsumer/Desktop/sdlretro/src/libretro/vfs_unix.cpp:73:16: error: use of undeclared identifier 'lseek64'; did you mean 'lseek'?
   auto off = lseek64(stream->file_handle, 0, SEEK_CUR);
              ^~~~~~~
              lseek
/Library/Developer/CommandLineTools/SDKs/MacOSX12.3.sdk/usr/include/unistd.h:465:8: note: 'lseek' declared here
off_t    lseek(int, off_t, int);
        ^
/Users/konsumer/Desktop/sdlretro/src/libretro/vfs_unix.cpp:74:16: error: use of undeclared identifier 'lseek64'; did you mean 'lseek'?
   auto res = lseek64(stream->file_handle, 0, SEEK_END);
              ^~~~~~~
              lseek
/Library/Developer/CommandLineTools/SDKs/MacOSX12.3.sdk/usr/include/unistd.h:465:8: note: 'lseek' declared here
off_t    lseek(int, off_t, int);
        ^
/Users/konsumer/Desktop/sdlretro/src/libretro/vfs_unix.cpp:75:5: error: use of undeclared identifier 'lseek64'; did you mean 'lseek'?
   lseek64(stream->file_handle, off, SEEK_SET);
   ^~~~~~~
   lseek
/Library/Developer/CommandLineTools/SDKs/MacOSX12.3.sdk/usr/include/unistd.h:465:8: note: 'lseek' declared here
off_t    lseek(int, off_t, int);
        ^
/Users/konsumer/Desktop/sdlretro/src/libretro/vfs_unix.cpp:84:12: error: use of undeclared identifier 'lseek64'; did you mean 'lseek'?
   return lseek64(stream->file_handle, 0, SEEK_CUR);
          ^~~~~~~
          lseek
/Library/Developer/CommandLineTools/SDKs/MacOSX12.3.sdk/usr/include/unistd.h:465:8: note: 'lseek' declared here
off_t    lseek(int, off_t, int);
        ^
/Users/konsumer/Desktop/sdlretro/src/libretro/vfs_unix.cpp:88:12: error: use of undeclared identifier 'lseek64'; did you mean 'lseek'?
   return lseek64(stream->file_handle, offset, seek_position);
          ^~~~~~~
          lseek
/Library/Developer/CommandLineTools/SDKs/MacOSX12.3.sdk/usr/include/unistd.h:465:8: note: 'lseek' declared here
off_t    lseek(int, off_t, int);

I fixed with this:

sed -i -e 's/lseek64/lseek/g' src/libretro/vfs_unix.cpp

Then I got this error, whcih I dunno how to fix:

[  5%] Built target cpuid
[ 18%] Built target spdlog
[ 22%] Built target xxhash
Consolidate compiler generated dependencies of target libretro
[ 24%] Building CXX object src/libretro/CMakeFiles/libretro.dir/vfs_unix.cpp.o
[ 25%] Linking CXX static library liblibretro.a
[ 41%] Built target libretro
[ 50%] Built target samplerate
[ 53%] Built target stb
[ 65%] Built target driver_common
[ 68%] Built target glad
[ 79%] Built target driver_sdl2
[ 89%] Built target gui
[ 93%] Built target miniz
[ 94%] Linking CXX executable sdlretro
[ 96%] Built target sdlretro
[ 98%] Building C object src/external/wingetopt/CMakeFiles/wingetopt.dir/getopt.c.o
In file included from /Users/konsumer/Desktop/sdlretro/src/external/wingetopt/getopt.c:55:
/Users/konsumer/Desktop/sdlretro/src/external/wingetopt/include/getopt.h:16:10: fatal error: 'crtdefs.h' file not found
#include <crtdefs.h>
         ^~~~~~~~~~~
1 error generated.
make[2]: *** [src/external/wingetopt/CMakeFiles/wingetopt.dir/getopt.c.o] Error 1
make[1]: *** [src/external/wingetopt/CMakeFiles/wingetopt.dir/all] Error 2
make: *** [all] Error 2

data folder missing

when installed on an rg350, a ".sdlretro" folder is expected in /usr/local/home/ however the emulator doesn't create this folder on it's own. This means things like saving don't immediately work correctly. Everything works as expected if the folder is manually made however.

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