Split core into its own repository

2024-10-14 15:07:00 -05:00
commit 767675eb42
6 changed files with 2552 additions and 0 deletions
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+.PHONY: help
+help:
+	@echo
+	@echo "Shrooms Virtual Boy core module - October 14, 2024"
+	@echo
+	@echo "Target build environment is any Debian with the following packages:"
+	@echo "  emscripten"
+	@echo "  gcc"
+	@echo 
+	@echo "Available make targets:"
+	@echo "  clean   Remove output files"
+	@echo "  core    Check the C core source for compiler warnings"
+	@echo "  wasm    Build the WebAssembly module"
+	@echo
+
+.PHONY: clean
+clean:
+	@rm -f web/core.wasm
+
+.PHONY: core
+core:
+#	GCC generic
+	@gcc core/vb.c -I core -c -o /dev/null \
+        -Werror -std=c90 -Wall -Wextra -Wpedantic
+#	GCC compilation control
+	@gcc core/vb.c -I core -c -o /dev/null \
+        -Werror -std=c90 -Wall -Wextra -Wpedantic \
+        -D VB_LITTLE_ENDIAN -D VB_SIGNED_PROPAGATE -D VB_DIV_GENERIC \
+        -D VB_DIRECT_EXCEPTION -D VB_DIRECT_EXECUTE -D VB_DIRECT_FETCH \
+        -D VB_DIRECT_READ -D VB_DIRECT_WRITE -D VB_DIV_GENERIC
+#	Clang generic
+	@emcc core/vb.c -I core -c -o /dev/null \
+        -Werror -std=c90 -Wall -Wextra -Wpedantic
+#	Clang compilation control
+	@emcc core/vb.c -I core -c -o /dev/null \
+        -Werror -std=c90 -Wall -Wextra -Wpedantic \
+        -D VB_LITTLE_ENDIAN -D VB_SIGNED_PROPAGATE -D VB_DIV_GENERIC \
+        -D VB_DIRECT_EXCEPTION -D VB_DIRECT_EXECUTE -D VB_DIRECT_FETCH \
+        -D VB_DIRECT_READ -D VB_DIRECT_WRITE -D VB_DIV_GENERIC
+
+.PHONY: wasm
+wasm:
+	@emcc -o web/core.wasm web/wasm.c core/vb.c -I core \
+        -D VB_LITTLE_ENDIAN -D VB_SIGNED_PROPAGATE \
+        -D "VBAPI=__attribute__((used))" \
+        --no-entry -O2 -flto -s WASM=1 \
+        -s EXPORTED_RUNTIME_METHODS=[] -s ALLOW_MEMORY_GROWTH \
+        -s MAXIMUM_MEMORY=4GB -fno-strict-aliasing
+	@rm -f web/*.wasm.tmp*