Share the Genesis and PICO-8 cores with esp-box-emu; add PICO-8

.github/workflows/build.yml

@@ -22,7 +22,7 @@ jobs:
       uses: actions/checkout@v4
 
     - name: Checkout the game submodules (without their desktop-only nested submodules)
-      run: git submodule update --init components/jk/OpenJKDF2 components/mgs/mgs_reversing components/mgs/psyz components/tpm/tpm-decomp
+      run: git submodule update --init components/jk/OpenJKDF2 components/mgs/mgs_reversing components/mgs/psyz components/tpm/tpm-decomp components/genesis/gwenesis components/pico8/femto8
 
     - name: Build
       uses: espressif/esp-idf-ci-action@v1

.gitmodules

@@ -13,3 +13,11 @@
 	path = components/tpm/tpm-decomp
 	url = https://github.com/esp-cpp/tpm-decomp.git
 	branch = main
+[submodule "components/genesis/gwenesis"]
+	path = components/genesis/gwenesis
+	url = https://github.com/esp-cpp/gwenesis.git
+	branch = esp32
+[submodule "components/pico8/femto8"]
+	path = components/pico8/femto8
+	url = https://github.com/esp-cpp/femto8.git
+	branch = esp32

CMakeLists.txt

@@ -27,6 +27,8 @@ set(GBA_COMPONENTS gba)
 set(MGS_COMPONENTS mgs)
 ### Star Wars Episode I: The Phantom Menace (tpm-decomp on psyz, native) ###
 set(TPM_COMPONENTS tpm)
+### PICO-8 (femto8, shared with esp-box-emu) ###
+set(PICO8_COMPONENTS pico8)
 
 ### Dark Forces (The Force Engine port, shared with esp-box-emu) ###
 # set(DARK_FORCES_COMPONENTS "dark_forces")
@@ -49,6 +51,9 @@ endif()
 if(TPM_COMPONENTS)
   add_compile_definitions(ENABLE_TPM)
 endif()
+if(PICO8_COMPONENTS)
+  add_compile_definitions(ENABLE_PICO8)
+endif()
 
 if(DARK_FORCES_COMPONENTS)
   add_compile_definitions(ENABLE_DARK_FORCES)
@@ -61,6 +66,7 @@ set(GAME_COMPONENTS
   ${GBA_COMPONENTS}
   ${MGS_COMPONENTS}
   ${TPM_COMPONENTS}
+  ${PICO8_COMPONENTS}
   ${DARK_FORCES_COMPONENTS}
   )
 

components/genesis/CMakeLists.txt

@@ -1,6 +1,6 @@
 idf_component_register(
     SRC_DIRS
-    "src"
+    "gwenesis/port"
     "gwenesis/src/bus"
     "gwenesis/src/cpus/M68K"
     "gwenesis/src/cpus/Z80"
@@ -9,7 +9,7 @@ idf_component_register(
     "gwenesis/src/io"
     "gwenesis/src/savestate"
     INCLUDE_DIRS
-        "include"
+        "gwenesis/port/include"
         "gwenesis/src"
         "gwenesis/src/bus"
         "gwenesis/src/cpus/M68K"