PROJECT=firmware

AS=sdasz80
CC=sdcc
CPP=sdcpp

ASM=crt0.asm\
	isr.asm\
	delay.asm
SRC=crc16.c\
	bootloader.c\
	font.c\
	i2c.c\
	input.c\
	main.c\
	tft.c\
	tty.c\
	menu.c

OBJ=$(ASM:%.asm=build/%.rel)\
	$(SRC:%.c=build/%.rel)

IHX=build/$(PROJECT).ihx
TARGET=build/$(PROJECT).hex

INCLUDE=include
CFLAGS=-mz80 -I$(INCLUDE) --Werror
LDFLAGS=-mz80 --no-std-crt0\
		--code-loc 0x0100\
		--data-loc 0x8010\
		-Wl-b_ISR_TABLE=0x0070\
		-Wl-b_GSINIT=0x0080

ROM_CHIP=AT28C256

all : $(TARGET)

$(OBJ): | build

build:
	@mkdir -p build

build/%.rel : asm/%.asm
	@echo '  (AS)' $<
	@$(CPP) -P -I$(INCLUDE) -DASSEMBLY $< > build/$(notdir $<)
	@$(AS) -g -o $@ build/$(notdir $<)

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

$(IHX) : $(OBJ)
	@echo '  (LD)' $(OBJ)
	@$(CC) $(LDFLAGS) -o $@ $(OBJ)

$(TARGET) : $(IHX)
	@hex2bin.py $< $@

.PHONE : flash
flash :
	@minipro -y -sp $(ROM_CHIP) -w $(TARGET)

.PHONY : clean
clean :
	@find build -type f -delete