HOST_NAME := host
TEST_NAME := test

TOPLEVEL := source.s
BUILD_TYPE ?= normal

ifeq ($(BUILD_TYPE), test)
	TOPLEVEL := test.s
	HOST_NAME := $(TEST_NAME)
endif

HOST_BINARY := $(HOST_NAME).prg

BUILD_DIR := ./build
SRC_DIR := ./src

HOST_PRG := $(BUILD_DIR)/$(HOST_BINARY)

SRCS := $(shell find $(SRC_DIR) -name '*.s' -or -name '*.inc')

CL := cl65

CLFLAGS := -u __EXEHDR__ -t c64 -C c64-asm.cfg -l $(BUILD_DIR)/$(HOST_NAME).lst -Ln $(BUILD_DIR)/$(HOST_NAME).lbl -m $(BUILD_DIR)/$(HOST_NAME).m

$(HOST_PRG): $(SRCS) userprog.bin
	mkdir -p $(BUILD_DIR)
	$(CL) -o $@ $(CLFLAGS) $(SRC_DIR)/$(TOPLEVEL)

all: $(HOST_PRG)