BINARY := host.prg

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

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

CL := cl65

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

$(BUILD_DIR)/$(BINARY): $(SRCS)
	mkdir -p $(BUILD_DIR)
	$(CL) -o $@ $(CLFLAGS) $(SRC_DIR)/$(TOPLEVEL)

all: $(BUILD_DIR)/$(BINARY)

preview: userprog.bin $(SRCS)
	$(CL) -o $@ -D EMULATOR_PREVIEW $(CLFLAGS) $(SRC_DIR)/$(TOPLEVEL)