AS=sdasz80
CC=sdcc
CPP=sdcpp

INCLUDE=$(PROJECT_ROOT)/include

DEPFLAGS=-MP -MMD -MF$(basename $@).d -MT$@

ASFLAGS=-g
ASCPPFLAGS=$(DEPFLAGS) -P -I$(INCLUDE) -DASSEMBLY
CFLAGS=-mz80 -I$(INCLUDE) --Werror $(patsubst %,-Wp%,$(DEPFLAGS))
LDFLAGS=-mz80 --no-std-crt0\
		--code-loc $(CODE_LOC)\
		--data-loc $(DATA_LOC)\
		--stack-loc $(STACK_LOC)\
		-Wl-b_GSINIT=$(GSINIT_LOC)

OBJ=$(patsubst %.asm,$(BUILD)/%.rel,$(ASM))\
	$(patsubst %.c,$(BUILD)/%.rel,$(SRC))
DEPS=$(patsubst $(BUILD)/%.rel,$(BUILD)/%.d,$(OBJ))

$(OBJ): | $(BUILD) $(DIRS)

$(BUILD) :
	@mkdir -p $(BUILD)

$(DIRS) :
	@mkdir -p $(DIRS)

$(BUILD)/%.rel : %.asm
	@echo '  (CPP)' $<
	@$(CPP) $(ASCPPFLAGS) $< > $(basename $@).asm
	@echo '  (AS)' $<
	@$(AS) $(ASFLAGS) -o $@ $(basename $@).asm

$(BUILD)/%.rel : %.c
	@echo '  (CC)' $<
	@$(CC) $(CFLAGS) -c -o $@ $<

$(BUILD)/%.hex : $(BUILD)/%.ihx
	@hex2bin.py $< $@

.SECONDARY :
$(BUILD)/%.ihx : $(CRT0) $(OBJ)
	@echo '  (LD)' $(OBJ)
	@$(CC) $(LDFLAGS) -o $@ $+

-include $(DEPS)