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roms := pokered.gbc pokeblue.gbc
rom_obj := \
audio.o \
home.o \
main.o \
maps.o \
text.o \
wram.o \
gfx/pics.o \
gfx/sprites.o \
gfx/tilesets.o
pokered_obj := $(rom_obj:.o=_red.o)
pokeblue_obj := $(rom_obj:.o=_blue.o)
### Build tools
MD5 := md5sum -c
RGBDS ?=
RGBASM ?= $(RGBDS)rgbasm
RGBFIX ?= $(RGBDS)rgbfix
RGBGFX ?= $(RGBDS)rgbgfx
RGBLINK ?= $(RGBDS)rgblink
### Build targets
.SUFFIXES:
.SECONDEXPANSION:
.PRECIOUS:
.SECONDARY:
.PHONY: all red blue clean tidy compare tools
all: $(roms)
red: pokered.gbc
blue: pokeblue.gbc
# For contributors to make sure a change didn't affect the contents of the rom.
compare: $(roms)
@$(MD5) roms.md5
clean:
rm -f $(roms) $(pokered_obj) $(pokeblue_obj) $(roms:.gbc=.map) $(roms:.gbc=.sym)
find gfx \( -iname '*.1bpp' -o -iname '*.2bpp' -o -iname '*.pic' \) -delete
$(MAKE) clean -C tools/
tidy:
rm -f $(roms) $(pokered_obj) $(pokeblue_obj) $(roms:.gbc=.map) $(roms:.gbc=.sym)
$(MAKE) clean -C tools/
tools:
$(MAKE) -C tools/
RGBASMFLAGS = -h -Weverything
# Create a sym/map for debug purposes if `make` run with `DEBUG=1`
ifeq ($(DEBUG),1)
RGBASMFLAGS += -E
endif
$(pokered_obj): RGBASMFLAGS += -D _RED
$(pokeblue_obj): RGBASMFLAGS += -D _BLUE
# The dep rules have to be explicit or else missing files won't be reported.
# As a side effect, they're evaluated immediately instead of when the rule is invoked.
# It doesn't look like $(shell) can be deferred so there might not be a better way.
define DEP
$1: $2 $$(shell tools/scan_includes $2)
$$(RGBASM) $$(RGBASMFLAGS) -o $$@ $$<
endef
# Build tools when building the rom.
# This has to happen before the rules are processed, since that's when scan_includes is run.
ifeq (,$(filter clean tools,$(MAKECMDGOALS)))
$(info $(shell $(MAKE) -C tools))
# Dependencies for objects (drop _red and _blue from asm file basenames)
$(foreach obj, $(pokered_obj), $(eval $(call DEP,$(obj),$(obj:_red.o=.asm))))
$(foreach obj, $(pokeblue_obj), $(eval $(call DEP,$(obj),$(obj:_blue.o=.asm))))
endif
%.asm: ;
pokered_opt = -jsv -k 01 -l 0x33 -m 0x13 -p 0 -r 03 -t "POKEMON RED"
pokeblue_opt = -jsv -k 01 -l 0x33 -m 0x13 -p 0 -r 03 -t "POKEMON BLUE"
%.gbc: $$(%_obj) layout.link
$(RGBLINK) -d -m $*.map -n $*.sym -l layout.link -o $@ $(filter %.o,$^)
$(RGBFIX) $($*_opt) $@
### Misc file-specific graphics rules
gfx/battle/attack_anim_1.2bpp: tools/gfx += --trim-whitespace
gfx/battle/attack_anim_2.2bpp: tools/gfx += --trim-whitespace
gfx/intro_credits/blue_jigglypuff_1.2bpp: $(RGBGFX) += -h
gfx/intro_credits/blue_jigglypuff_2.2bpp: $(RGBGFX) += -h
gfx/intro_credits/blue_jigglypuff_3.2bpp: $(RGBGFX) += -h
gfx/intro_credits/red_nidorino_1.2bpp: $(RGBGFX) += -h
gfx/intro_credits/red_nidorino_2.2bpp: $(RGBGFX) += -h
gfx/intro_credits/red_nidorino_3.2bpp: $(RGBGFX) += -h
gfx/intro_credits/the_end.2bpp: tools/gfx += --interleave --png=$<
gfx/slots/red_slots_1.2bpp: tools/gfx += --trim-whitespace
gfx/slots/blue_slots_1.2bpp: tools/gfx += --trim-whitespace
gfx/tilesets/%.2bpp: tools/gfx += --trim-whitespace
gfx/tilesets/reds_house.2bpp: tools/gfx += --preserve=0x48
gfx/trade/game_boy.2bpp: tools/gfx += --remove-duplicates
### Catch-all graphics rules
%.png: ;
%.2bpp: %.png
$(RGBGFX) $(rgbgfx) -o $@ $<
$(if $(tools/gfx),\
tools/gfx $(tools/gfx) -o $@ $@)
%.1bpp: %.png
$(RGBGFX) -d1 $(rgbgfx) -o $@ $<
$(if $(tools/gfx),\
tools/gfx $(tools/gfx) -d1 -o $@ $@)
%.pic: %.2bpp
tools/pkmncompress $< $@
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