AS = rgbasm
LD = rgblink
FIX = rgbfix -f hg

BIN_DIR = bin
OBJ_DIR = obj

MKDIR = mkdir

.PHONY: dirs

all: dirs cpu video

clean:
	rm -r ${BIN_DIR}/ ${OBJ_DIR}/

dirs:
	${MKDIR} -p ${BIN_DIR}
	${MKDIR} -p ${OBJ_DIR}

#
# CPU
#
cpu: cpuDirs \
	${BIN_DIR}/cpu/callRet.gb \
	${BIN_DIR}/cpu/memcpy.gb \
	${BIN_DIR}/cpu/miscInstrs.gb \
	${BIN_DIR}/cpu/rst.gb

cpuDirs:
	${MKDIR} -p ${OBJ_DIR}/cpu
	${MKDIR} -p ${BIN_DIR}/cpu

${BIN_DIR}/cpu/callRet.gb: dirs cpu/callRet.asm
	${AS} -o ${OBJ_DIR}/cpu/callRet.o cpu/callRet.asm
	${LD} -o ${BIN_DIR}/cpu/callRet.gb ${OBJ_DIR}/cpu/callRet.o
	${FIX} ${BIN_DIR}/cpu/callRet.gb

${BIN_DIR}/cpu/memcpy.gb: dirs cpu/memcpy.asm
	${AS} -o ${OBJ_DIR}/cpu/memcpy.o cpu/memcpy.asm
	${LD} -o ${BIN_DIR}/cpu/memcpy.gb ${OBJ_DIR}/cpu/memcpy.o
	${FIX} ${BIN_DIR}/cpu/memcpy.gb

${BIN_DIR}/cpu/miscInstrs.gb: dirs cpu/miscInstrs.asm
	${AS} -o ${OBJ_DIR}/cpu/miscInstrs.o cpu/miscInstrs.asm
	${LD} -o ${BIN_DIR}/cpu/miscInstrs.gb ${OBJ_DIR}/cpu/miscInstrs.o
	${FIX} ${BIN_DIR}/cpu/miscInstrs.gb

${BIN_DIR}/cpu/rst.gb: dirs cpu/rst.asm
	${AS} -o ${OBJ_DIR}/cpu/rst.o cpu/rst.asm
	${LD} -o ${BIN_DIR}/cpu/rst.gb ${OBJ_DIR}/cpu/rst.o
	${FIX} ${BIN_DIR}/cpu/rst.gb

#
# Video
#
video: videoDirs \
    ${BIN_DIR}/video/lcdToggle.gb \
    ${BIN_DIR}/video/vblankInt.gb

videoDirs:
	${MKDIR} -p ${BIN_DIR}/video
	${MKDIR} -p ${OBJ_DIR}/video

${BIN_DIR}/video/lcdToggle.gb: dirs video/lcdToggle.asm
	${AS} -o ${OBJ_DIR}/video/lcdToggle.o video/lcdToggle.asm
	${LD} -o ${BIN_DIR}/video/lcdToggle.gb ${OBJ_DIR}/video/lcdToggle.o
	${FIX} ${BIN_DIR}/video/lcdToggle.gb

${BIN_DIR}/video/vblankInt.gb: dirs video/vblankInt.asm
	${AS} -o ${OBJ_DIR}/video/vblankInt.o video/vblankInt.asm
	${LD} -o ${BIN_DIR}/video/vblankInt.gb ${OBJ_DIR}/video/vblankInt.o
	${FIX} ${BIN_DIR}/video/vblankInt.gb