# Emscripten target (see https://github.com/apiaryio/emscripten-docker)

DOCKEREMCC=docker run --rm -v $(shell pwd):/src -e USERID=$(shell id -u) -t apiaryio/emcc

%.js: bin/%.bc
	$(DOCKEREMCC) emcc -O2 --memory-init-file 0 \
		-s ASM_JS=1 \
		-s MODULARIZE=1 \
		-s EXPORT_NAME=\"'$*'\" \
		-s 'EXTRA_EXPORTED_RUNTIME_METHODS=["FS"]' \
		-s FORCE_FILESYSTEM=1 \
		bin/$*.bc -o $@ $(ARGS_$*)

bin/%.bc:
	mkdir -p bin js
	$(DOCKEREMCC) emmake make $*
	cp bin/$*.exe bin/$*.bc

emscripten: include asminc cfg lib/apple2.lib target/apple2
	cp -rp src Makefile js
	make -C js cc65.js ca65.js co65.js ld65.js
	$(DOCKEREMCC) \
		python /emscripten/tools/file_packager.py fs65.data \
		--preload include asminc cfg lib/apple2.lib target/apple2 \
		--separate-metadata --js-output=fs65.js