CC=sdcc
CFLAGS=-Ilib83 -c -mz80 --std-sdcc2x --no-std-crt0 --reserve-regs-iy --opt-code-size

OBJS=_crt0.rel clrscr.rel putchar.rel puts.rel exit.rel gotoxy.rel __assert_fail.rel \
     getchar.rel put_int.rel ctype.rel \
	 main.rel

.PHONY: all clean try
all: main.8xk

clean:
	@rm -f obj/* main.ihx main.bin main.8xk

try: main.8xk
	@tilem2 --rom=ti83pv116.bin

%.rel: lib83/%.c
	@echo "(lib) CC $<"
	@$(CC) $(CFLAGS) $< -o obj/$@

%.rel: %.c
	@echo "CC $<"
	@$(CC) $(CFLAGS) $< -o obj/$@

obj/main.ihx: $(OBJS)
	@echo "LD $@"
	@cd obj && $(CC) -mz80 --no-std-crt0 --code-loc 0x4000 --code-size 0x4000 --xram-loc 0x9D95 --xram-size 0x6060 $^ -o ../$@ && cd ..

main.bin: obj/main.ihx
	@echo "IHX->BIN $@"
	@objcopy -Iihex -Obinary $< $@
	@echo `stat -c %s $@` bytes

main.8xk: main.bin
	@echo "SIGN $@"
	@rabbitsign -P -p -t 8xk -g $<