dev-image = 5150-dev

writefloppy.bin: writefloppy.asm
	nasm writefloppy.asm -o writefloppy.bin

readfloppy.bin: readfloppy.asm
	nasm readfloppy.asm -o readfloppy.bin

crc16.s: crc16.c
	ia16-elf-gcc -S -Os -o crc16.s crc16.c

crc16.bin: crc16.s crt0.c
	ia16-elf-gcc -o crc16.bin -Os -nostdlib crc16.s crt0.c

wozmon.s: wozmon.cc
	ia16-elf-gcc -S -Os -o wozmon.s wozmon.cc

wozmon.bin: wozmon.s crt0.c
	ia16-elf-gcc -o wozmon.bin -Os -nostdlib wozmon.s crt0.c
	truncate -s 510 wozmon.bin
	printf "\125\252" >> wozmon.bin

.PHONY: clean
clean:			## Remove generated files
	rm -rf wozmon.bin crc16.bin readfloppy.bin writefloppy.bin

.PHONY: dev-image
dev-image:
	docker build -t $(dev-image) --target dev .

.PHONY: dev
dev: dev-image	## Launch a dev container
	docker run -it --rm -v $(CURDIR):/workspace $(dev-image)


.PHONY: binaries
binaries:		## Build all binaries
	docker build --build-arg TARGET=readfloppy.bin -o . --target=export .
	docker build --build-arg TARGET=writefloppy.bin -o . --target=export .
	docker build --build-arg TARGET=crc16.bin -o . --target=export .
	docker build --build-arg TARGET=wozmon.bin -o . --target=export .


.PHONY: help
help:           ## Show this help
	@echo Noteworthy targets:
	@egrep '^[a-zA-Z_-]+:.*?## .*$$' $(firstword $(MAKEFILE_LIST)) | sort | awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m%-20s\033[0m %s\n", $$1, $$2}'
.DEFAULT_GOAL := help