Libretro

.github/workflows/deploy_retro_linux.yml

@@ -0,0 +1,39 @@
+name: Build Linux (Libretro)
+on: [push,pull_request]
+jobs:
+  build-and-deploy:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout 🛎️
+        uses: actions/[email protected] 
+      - name: Install dependencies
+        # We don't actually use these dependencies, but they are needed for find package.
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y libx11-dev libxi-dev libxrandr-dev libxinerama-dev libxcursor-dev
+          sudo apt-get install -y libgl1-mesa-dev libegl1-mesa-dev libasound2-dev
+      - name: Configure & Build 🔧 
+        run: |
+          mkdir build
+          cd build
+          cmake .. && cmake --build . --target skyemu_libretro --config Release
+          zip skyemu_libretro.zip skyemu_libretro.so ../skyemu_libretro.info
+      - name: GH Release 🚀
+        # You may pin to the exact commit or the version.
+        uses: actions/upload-artifact@v2
+        with:
+           name: LinuxRelease (Libretro)
+           path: build/skyemu_libretro.zip
+        #uses: softprops/[email protected]
+        #with:
+        #  # Note-worthy description of changes in release
+        #  # body: # optional
+        #  # Path to load note-worthy description of changes in release from
+        #  # body_path: # optional
+        #  # Gives the release a custom name. Defaults to tag name
+        #  name: LinuxRelease
+        #  # Identify the release as a prerelease. Defaults to false
+        #  prerelease: True
+        #  # Newline-delimited list of path globs for asset files to upload
+        #  files: build/bin/*
+

.github/workflows/deploy_retro_mac.yml

@@ -0,0 +1,33 @@
+name: Build macOS (Libretro)
+on: [push,pull_request]
+jobs:
+  build-and-deploy:
+    runs-on: macos-latest
+    steps:
+      - name: Checkout 🛎️
+        uses: actions/[email protected] 
+      - name: Configure & Build 🔧 
+        run: |
+          mkdir build
+          cd build
+          cmake .. && cmake --build . --target skyemu_libretro
+          zip skyemu_libretro.zip skyemu_libretro.dylib ../skyemu_libretro.info
+      - name: GH Release 🚀
+        # You may pin to the exact commit or the version.
+        uses: actions/upload-artifact@v2
+        with:
+           name: MacOSRelease (Libretro)
+           path: build/skyemu_libretro.zip
+        #uses: softprops/[email protected]
+        #with:
+        #  # Note-worthy description of changes in release
+        #  # body: # optional
+        #  # Path to load note-worthy description of changes in release from
+        #  # body_path: # optional
+        #  # Gives the release a custom name. Defaults to tag name
+        #  name: LinuxRelease
+        #  # Identify the release as a prerelease. Defaults to false
+        #  prerelease: True
+        #  # Newline-delimited list of path globs for asset files to upload
+        #  files: build/bin/*
+

.github/workflows/deploy_retro_win.yml

@@ -0,0 +1,40 @@
+name: Build Windows (Libretro)
+on: [push,pull_request]
+jobs:
+  build-and-deploy:
+    runs-on: windows-2019
+    steps:
+      - name: Checkout 🛎️
+        uses: actions/[email protected] 
+      - name: Get latest CMake and ninja
+        # Using 'latest' branch, the most recent CMake and ninja are installed.
+        uses: lukka/get-cmake@latest
+      - name: Build 🔧 
+        run: |
+          mkdir build
+          cd build
+          cmake -G "Visual Studio 16 2019" -A x64 -DCMAKE_SYSTEM_VERSION=10.0.19041.0 ..
+          cmake --build . --config Release --target skyemu_libretro
+          mkdir skyemu_libretro_zip
+          mv bin/Release/skyemu_libretro.dll skyemu_libretro_zip
+          cp ../skyemu_libretro.info skyemu_libretro_zip
+          Compress-Archive -Destination skyemu_libretro.zip -Path skyemu_libretro_zip
+      - name: GH Release 🚀
+        # You may pin to the exact commit or the version.
+        uses: actions/upload-artifact@v2
+        with:
+           name: WindowsRelease (Libretro)
+           path: build/skyemu_libretro.zip
+        #uses: softprops/[email protected]
+        #with:
+        #  # Note-worthy description of changes in release
+        #  # body: # optional
+        #  # Path to load note-worthy description of changes in release from
+        #  # body_path: # optional
+        #  # Gives the release a custom name. Defaults to tag name
+        #  name: LinuxRelease
+        #  # Identify the release as a prerelease. Defaults to false
+        #  prerelease: True
+        #  # Newline-delimited list of path globs for asset files to upload
+        #  files: build/bin/*
+

CMakeLists.txt

@@ -51,7 +51,7 @@ if (MSVC)
 
 endif()
 
-if( (NOT ANDROID))
+if(NOT ANDROID)
     set(USE_SDL 1)
     add_definitions(-DUSE_SDL=1)
 endif()
@@ -155,8 +155,8 @@ add_library(cimgui STATIC
     src/cimgui/imgui/imgui_demo.cpp
     )
 set_property(TARGET cimgui PROPERTY MSVC_RUNTIME_LIBRARY "MultiThreaded")
-
 target_include_directories(cimgui INTERFACE src/cimgui)
+
 if(USE_SDL)
     message("Build with SDL!")
 
@@ -285,7 +285,7 @@ add_definitions(-DGIT_COMMIT_HASH=\"${GIT_COMMIT_HASH}\")
 add_definitions(-DGIT_BRANCH=\"${GIT_BRANCH}\")
 add_definitions(-DGIT_TAG=\"${GIT_TAG}\")
 
-set(SKYEMU_SRC src/main.c src/stb.c src/miniz.c src/res.c src/localization.c src/mutex.cpp)
+set(SKYEMU_SRC src/main.c src/shared.c src/cloud.cpp src/https.cpp src/stb.c src/miniz.c src/res.c src/localization.c src/mutex.cpp)
 
 if(ENABLE_HTTP_CONTROL_SERVER)
   add_definitions(-DENABLE_HTTP_CONTROL_SERVER=1)
@@ -299,7 +299,6 @@ if(UNICODE_GUI)
   include_directories(src/utf8proc/)
   add_definitions(-DUNICODE_GUI=1)
   add_definitions(-DUTF8PROC_STATIC=1)
-
 endif()
 
 if(USE_SDL)
@@ -380,12 +379,21 @@ elseif(ANDROID)
 else()
     add_executable(${PROJECT_NAME} ${SKYEMU_SRC})
 endif()
+
+add_library(skyemu_libretro SHARED EXCLUDE_FROM_ALL src/libretro.c src/shared.c src/localization.c)
+set_target_properties(skyemu_libretro PROPERTIES PREFIX "")
+if (MACOS OR IOS)
+    find_library(FoundationLib CoreFoundation)
+    target_link_libraries(skyemu_libretro ${FoundationLib})
+endif()
+
 if (${CMAKE_SYSTEM_NAME} MATCHES "Emscripten")
     set_target_properties(${PROJECT_NAME} PROPERTIES LINK_FLAGS "-sALLOW_MEMORY_GROWTH -s TOTAL_MEMORY=192MB -lidbfs.js -s ELIMINATE\_DUPLICATE\_FUNCTIONS=1 -flto -s USE_CLOSURE_COMPILER=0 --closure 0 ")
 endif ()
 if (EMSCRIPTEN)
   configure_file(src/sw.js.in ${CMAKE_CURRENT_BINARY_DIR}/bin/sw.js)
 endif ()
+
 set(LINK_LIBS ${LINK_LIBS} sokol ${ALSA_LIBRARIES})
 
 if(NOT EMSCRIPTEN)

skyemu_libretro.info

@@ -0,0 +1,56 @@
+display_name = "Nintendo - Game Boy/GBA/NDS (SkyEmu)"
+categories = "Emulator"
+authors = "Team SkyEmu"
+supported_extensions = "gb|gbx|gba|nds"
+corename = "SkyEmu"
+license = "MIT"
+permissions = ""
+display_version = "Git"
+manufacturer = "Nintendo"
+
+firmware_count = 10
+firmware0_desc = "cgb_boot.bin (GBC BIOS)"
+firmware0_path = "cgb_boot.bin"
+firmware0_opt = "true"
+firmware1_desc = "gbc_bios.bin (GBC BIOS)"
+firmware1_path = "gbc_bios.bin"
+firmware1_opt = "true"
+firmware2_desc = "cgb0_boot.bin (GBC BIOS)"
+firmware2_path = "cgb0_boot.bin"
+firmware2_opt = "true"
+firmware3_desc = "cgb_agb_boot.bin (GBC BIOS)"
+firmware3_path = "cgb_agb_boot.bin"
+firmware3_opt = "true"
+firmware4_desc = "dmg_rom.bin (DMG BIOS)"
+firmware4_path = "dmg_rom.bin"
+firmware4_opt = "true"
+firmware5_desc = "dmg0_rom.bin (DMG BIOS)"
+firmware5_path = "dmg0_rom.bin"
+firmware5_opt = "true"
+firmware6_desc = "gba_bios.bin (GBA BIOS)"
+firmware6_path = "gba_bios.bin"
+firmware6_opt = "true"
+firmware7_desc = "nds7.bin (NDS ARM7 BIOS)"
+firmware7_path = "nds7.bin"
+firmware7_opt = "true"
+firmware8_desc = "nds9.bin (NDS ARM9 BIOS)"
+firmware8_path = "nds9.bin"
+firmware8_opt = "true"
+firmware9_desc = "firmware.bin (NDS FIRMWARE)"
+firmware9_path = "firmware.bin"
+firmware9_opt = "true"
+
+savestate = "true"
+savestate_features = "deterministic"
+cheats = "true"
+input_descriptors = "true"
+memory_descriptors = "true"
+libretro_saves = "true"
+core_options = "true"
+core_options_version = "2.0"
+database = "Nintendo - Nintendo DS|Nintendo - Game Boy|Nintendo - Game Boy Advance"
+needs_fullpath = "false"
+is_experimental = "false"
+
+description = "SkyEmu is a multi-system emulator, supporting Game Boy, Game Boy Color and Nintendo DS cores."
+

src/gb.h

@@ -1335,10 +1335,15 @@ void gb_tick_rtc(sb_gb_t*gb){
   gb->rtc.hour= tm->tm_hour;
   gb->rtc.day = (tm->tm_wday-1)%7;
 }
-void sb_tick(sb_emu_state_t* emu, sb_gb_t* gb,gb_scratch_t* scratch){
+
+void sb_ptrs_init(sb_gb_t* gb, gb_scratch_t* scratch, uint8_t* rom_data) {
   gb->lcd.framebuffer = scratch->framebuffer; 
-  gb->cart.data = emu->rom_data; 
+  gb->cart.data = rom_data; 
   gb->bios = scratch->bios;
+}
+
+void sb_tick(sb_emu_state_t* emu, sb_gb_t* gb,gb_scratch_t* scratch){
+  sb_ptrs_init(gb, scratch, emu->rom_data);
   int instructions_to_execute = emu->step_instructions;
   if(instructions_to_execute==0)instructions_to_execute=70224/2;
   int frames_to_draw = 1;
@@ -2054,4 +2059,4 @@ static FORCE_INLINE void sb_process_audio(sb_gb_t *gb, sb_emu_state_t*emu, doubl
     emu->audio_ring_buff.data[write_entry0] = out_l*32760;
     emu->audio_ring_buff.data[write_entry1] = out_r*32760;
   }
-}
+}

src/gba.h

@@ -3728,16 +3728,18 @@ static FORCE_INLINE void sb_process_audio(sb_gb_t *gb, sb_emu_state_t*emu, doubl
 #undef GBA_AUDIO 
 
 // END GB REUSE CODE SHIM//
+
 void gba_cpu_trigger_breakpoint(void* data){
   gba_t*gba =(gba_t*)data;
   gba->frame_in_progress=false;
   gba->pause_after_frame=true;
 }
 
-void gba_tick(sb_emu_state_t* emu, gba_t* gba,gba_scratch_t *scratch){
+void gba_ptrs_init(gba_t* gba,gba_scratch_t *scratch, uint8_t* rom_data) {
+
   gba->framebuffer = scratch->framebuffer;
   gba->mem.bios    = scratch->bios;
-  gba->mem.cart_rom= emu->rom_data;
+  gba->mem.cart_rom = rom_data;
   gba->cpu.log_cmp_file = scratch->log_cmp_file;
   gba->cpu.read8 = arm7_read8;
   gba->cpu.read16 = arm7_read16;
@@ -3747,6 +3749,11 @@ void gba_tick(sb_emu_state_t* emu, gba_t* gba,gba_scratch_t *scratch){
   gba->cpu.write8 = arm7_write8;
   gba->cpu.write16 = arm7_write16;
   gba->cpu.write32 = arm7_write32;
+  gba->cpu.user_data=gba;  
+}
+
+void gba_tick(sb_emu_state_t* emu, gba_t* gba,gba_scratch_t *scratch){
+  gba_ptrs_init(gba, scratch, emu->rom_data);
   gba->cpu.user_data=gba;
   gba->cpu.trigger_breakpoint=gba_cpu_trigger_breakpoint;