fix gg games starting with "start" button set. always build sdl3 for emscripten build. generate em js build as a fallback.

Author: ITotalJustice

.github/workflows/deploy_web.yml

@@ -2,7 +2,7 @@ name: Build Web & Deploy to GH
 on: [push]
 
 env:
-  EM_VERSION: '4.0.7'
+  EM_VERSION: '4.0.10'
   EM_CACHE_FOLDER: 'emsdk-cache'
 
 jobs:
@@ -27,8 +27,6 @@ jobs:
 
       - name: Install and Build # This example project is built using npm and outputs the result to the 'build' folder. Replace with the commands required to build your project, or remove this step entirely if your site is pre-built.
         run: |
-          embuilder build zlib --lto
-          embuilder build sdl3 --lto
           cmake --preset emsdk
           cmake --build --preset emsdk
 

src/core/sms.c

@@ -346,7 +346,6 @@ static void SMS_reset(struct SMS_Core* sms)
     if (SMS_is_system_type_gg(sms))
     {
         sms->port.gg_regs[0x0] = 0xC0;
-        sms->port.gg_regs[0x0] = 0x40;
         sms->port.gg_regs[0x1] = 0x7F;
         sms->port.gg_regs[0x2] = 0xFF;
         sms->port.gg_regs[0x3] = 0x00;

src/platforms/sdl3/CMakeLists.txt

@@ -22,7 +22,7 @@ if (EMSCRIPTEN)
         "-s;--shell-file;${CMAKE_CURRENT_SOURCE_DIR}/emscripten.html"
         "-s;EXPORTED_FUNCTIONS=[_main,_malloc,_free]"
         "-lidbfs.js"
-        "-sWASM=1"
+        "-sWASM=2"
         "-sUSE_SDL=3"
         "-sALLOW_MEMORY_GROWTH=1"
     )
@@ -39,7 +39,7 @@ Set(FETCHCONTENT_QUIET FALSE)
 
 FetchContent_Declare(SDL
     GIT_REPOSITORY https://github.com/libsdl-org/SDL.git
-    GIT_TAG        release-3.2.10
+    GIT_TAG        release-3.2.16
     GIT_PROGRESS   TRUE
     FIND_PACKAGE_ARGS NAMES SDL3
 )