$ source ./emsdk_env.sh
Setting up EMSDK environment (suppress these messages with EMSDK_QUIET=1)
Adding directories to PATH:
PATH += /home/hiromasa/devel/toolchain/emsdk
PATH += /home/hiromasa/devel/toolchain/emsdk/upstream/emscripten

Setting environment variables:
PATH = /home/hiromasa/devel/toolchain/emsdk:/home/hiromasa/devel/toolchain/emsdk/upstream/emscripten:/home/hiromasa/devel/toolchain/appimage:/home/hiromasa/.wasmtime/bin:/home/hiromasa/devel/msx/z88dk/bin:/home/hiromasa/.wasmer/bin:/home/hiromasa/.local/bin:/home/hiromasa/.cargo/bin:/home/hiromasa/.sdkman/candidates/java/current/bin:/home/hiromasa/.sdkman/candidates/groovy/current/bin:/home/hiromasa/.sdkman/candidates/gradle/current/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin:/home/hiromasa/.dotnet/tools
EMSDK = /home/hiromasa/devel/toolchain/emsdk
EMSDK_NODE = /home/hiromasa/devel/toolchain/emsdk/node/16.20.0_64bit/bin/node

$ emcc -v
emcc (Emscripten gcc/clang-like replacement + linker emulating GNU ld) 3.1.57 (1df9c1977b49926c1efca672c31414da45c0c7bb)
clang version 19.0.0git (https:/github.com/llvm/llvm-project ccdebbae4d77d3efc236af92c22941de5d437e01)
Target: wasm32-unknown-emscripten
Thread model: posix
InstalledDir: /home/hiromasa/devel/toolchain/emsdk/upstream/bin

git clone --recursive https://github.com/h1romas4/wasm-genplus.git
cd wasm-genplus
mkdir build && cd build
emcmake cmake ..
emmake make

cd ..
npm install
npm run start

ROM_PATH="rom/sonic2.bin"
PORT=9000

http://localhost:9000

mkdir build && cd build
emcmake cmake ..
emmake make

ROM_PATH="rom/sonic2.bin"
PORT=9000

cd ..
npm run server