TARGET               = toolbox
TARGET_RAM           = $(TARGET)_ram
TARGET_ROM           = $(TARGET)_rom

UNIT                 = F256K

SRCS_BASE            = boot.c \
                       log.c \
                       memory.c \
                       proc.c \
                       ring_buffer.c \
                       simpleio.c \
                       sys_general.c \
                       timers.c \
                       toolbox.c \
                       utilities.c \
                       dev/block.c \
                       dev/channel.c \
                       dev/console.c \
                       dev/fsys.c \
                       dev/sprites.c \
                       dev/tiles.c \
                       dev/txt_screen.c \
                       dev/rtc.c \
                       dev/uart.c \
                       snd/codec_c256.c \
                       snd/psg.c \
                       snd/sid.c \
                       fatfs/ff.c \
                       fatfs/ffsystem.c \
                       fatfs/ffunicode.c

SRCS_BASE_F256       = cartridge.c \
                       dev/txt_f256.c \
                       dev/kbd_f256.c \
                       dev/indicators_c256.c \
                       dev/interrupts_f256.c \
                       dev/sdc_f256.c \
                       dev/iec.c \
                       fatfs/toolbox_bdev.c \
                       C256/extras.s \
                       C256/f256-cstartup.s \
                       C256/iecll.s \
                       C256/interrupts.s \
                       C256/io_stubs.c \
                       C256/jumptable.s

ifeq ($(UNIT),F256)
	TOOLCHAIN            = 65816
	SRCS_FOR_UNIT        = $(SRCS_BASE_F256) dev/kbd_f256jr.c
	CFLAGS_FOR_UNIT      = -DMODEL=2 -DCPU=255 --target=f256
	LDFLAGS_FOR_UNIT_ROM = src/C256/f256-flash.scm --cstartup=f256
	LDFLAGS_FOR_UNIT_RAM = src/C256/f256-ld_lc.scm --cstartup=f256
else ifeq ($(UNIT),F256JR2)
	TOOLCHAIN            = 65816
	SRCS_FOR_UNIT        = $(SRCS_BASE_F256) dev/kbd_f256jr.c
	CFLAGS_FOR_UNIT      = -DMODEL=35 -DCPU=255 --target=f256
	LDFLAGS_FOR_UNIT_ROM = src/C256/f256k2-flash.scm --cstartup=f256
	LDFLAGS_FOR_UNIT_RAM = src/C256/f256-ld_lc.scm --cstartup=f256
else ifeq ($(UNIT),F256K)
	TOOLCHAIN            = 65816
	SRCS_FOR_UNIT        = $(SRCS_BASE_F256) dev/kbd_f256k.c
	CFLAGS_FOR_UNIT      = -DMODEL=18 -DCPU=255 --target=f256
	LDFLAGS_FOR_UNIT_ROM = src/C256/f256-flash.scm --cstartup=f256
	LDFLAGS_FOR_UNIT_RAM = src/C256/f256-ld_lc.scm --cstartup=f256
else ifeq ($(UNIT),F256K2)
	TOOLCHAIN            = 65816
	SRCS_FOR_UNIT        = $(SRCS_BASE_F256) dev/kbd_f256k.c
	CFLAGS_FOR_UNIT      = -DMODEL=17 -DCPU=255 --target=f256
	LDFLAGS_FOR_UNIT_ROM = src/C256/f256k2-flash.scm --cstartup=f256
	LDFLAGS_FOR_UNIT_RAM = src/C256/f256-ld_lc.scm --cstartup=f256
else
	$(error "Unrecognized UNIT: $(UNIT)")
endif

ifeq ($(TOOLCHAIN),65816)
	ifeq ($(strip $(CALYPSI_65816_ROOT)),)
		$(error "Please set CALYPSI_65816_ROOT in your environment!")
	endif

	CC             = cc65816
	AS             = as65816
	LD             = ln65816
	TOOLCHAIN_ROOT = $(CALYPSI_65816_ROOT)
else
	$(error "Unrecognized TOOLCHAIN: $(TOOLCHAIN)")
endif

SRC_DIR           = src
SRC_FILES         = $(addprefix $(SRC_DIR)/, $(SRCS_BASE) $(SRCS_FOR_UNIT))
INCLUDE_DIRS      = $(SRC_DIR) $(SRC_DIR)/include $(TOOLCHAIN_ROOT)/include
INCLUDES          = $(foreach dir,$(INCLUDE_DIRS),-I$(dir))

OBJ_DIR           = obj
OBJ_FILES         = $(addprefix $(OBJ_DIR)/, $(addsuffix .o, $(SRC_FILES)))

DEPS_DIR          = $(OBJ_DIR)
DEPENDS           = $(OBJ_FILES:.o=.d)

CFLAGS            = --code-model=large --data-model=large --list-file=$@.lst $(INCLUDES) $(CFLAGS_FOR_UNIT)
AFLAGS            = --code-model=large --data-model=large $(INCLUDES)

LDFLAGS_FOR_ROM   = --rom-code $(LDFLAGS_FOR_UNIT_ROM)
LDFLAGS_FOR_RAM   = $(LDFLAGS_FOR_UNIT_RAM)

.PHONY: clean

all: rom ram

rom: $(TARGET_ROM).s37

ram: $(TARGET_RAM).s37

clean:
	rm -f *.s37
	rm -f *.lst
	rm -rf $(OBJ_DIR)

$(TARGET_ROM).s37: $(OBJ_FILES)
	$(LD) -o $@ $^ $(LDFLAGS_FOR_ROM) --output-format=s37 --list-file=$@.lst

$(TARGET_RAM).s37: $(OBJ_FILES)
	$(LD) -o $@ $^ $(LDFLAGS_FOR_RAM) --output-format=s37 --list-file=$@.lst

$(OBJ_DIR)/%.c.o: %.c
	@mkdir -p $(dir $@)
	$(CC) -MMD -MP -MF$(DEPS_DIR)/$*.d $(CFLAGS) -o $@ $<

$(OBJ_DIR)/%.s.o: %.s
	@mkdir -p $(dir $@)
	$(AS) $(AFLAGS) -o $@ $<

-include $(DEPENDS)