AS = sdasz80
LD = sdldz80
OBJCOPY = sdobjcopy

BUILD = .build

TARGET = loader

ASFLAGS = -plosff

SRC = \
src/loader.s \

OBJ = $(addprefix $(BUILD)/, $(notdir $(SRC:.s=.rel)))
vpath %.s $(sort $(dir $(SRC)))

.PHONY: all clean

all: $(BUILD) $(BUILD)/$(TARGET).bin

$(BUILD)/%.rel: %.s Makefile | $(BUILD)
	$(AS) $(ASFLAGS) $@ $<

$(BUILD)/$(TARGET).ihx: $(OBJ)
	$(LD) -i $@ $(OBJ) -b MAIN=0x1100

%.bin: %.ihx
	$(OBJCOPY) -I ihex -O binary $< $@

$(BUILD):
	mkdir $@

clean:
	rm -fr $(BUILD)