diff options
Diffstat (limited to 'Makefile')
| -rw-r--r-- | Makefile | 111 |
1 files changed, 68 insertions, 43 deletions
@@ -1,12 +1,52 @@ +# Build Red/Blue. Yellow is WIP. +roms := pokered.gbc pokeblue.gbc + + +.PHONY: all clean red blue yellow compare + +all: $(roms) +red: pokered.gbc +blue: pokeblue.gbc +yellow: pokeyellow.gbc + +versions := red blue yellow + + +# Header options for rgbfix. +dmg_opt = -jsv -k 01 -l 0x33 -m 0x13 -p 0 -r 03 +cgb_opt = -cjsv -k 01 -l 0x33 -m 0x1b -p 0 -r 03 + +red_opt = $(dmg_opt) -t "POKEMON RED" +blue_opt = $(dmg_opt) -t "POKEMON BLUE" +yellow_opt = $(cgb_opt) -t "POKEMON YELLOW" + + + +# If your default python is 3, you may want to change this to python27. PYTHON := python -MD5 := md5sum -c --quiet +# md5sum -c is used to compare rom hashes. The options may vary across platforms. +MD5 := md5sum -c --quiet + + +# The compare target is a shortcut to check that the build matches the original roms exactly. +# This is for contributors to make sure a change didn't affect the contents of the rom. +# More thorough comparison can be made by diffing the output of hexdump -C against both roms. +compare: + @$(MD5) roms.md5 + + +# Clear the default suffixes. .SUFFIXES: -.SUFFIXES: .asm .tx .o .gbc -.PHONY: all clean red blue yellow compare -.PRECIOUS: %.2bpp +.SUFFIXES: .asm .tx .o .gbc .png .2bpp .1bpp .pic + +# Secondary expansion is required for dependency variables in object rules. .SECONDEXPANSION: +# Suppress annoying intermediate file deletion messages. +.PRECIOUS: %.2bpp + +# Filepath shortcuts to avoid overly long recipes. poketools := extras/pokemontools gfx := $(PYTHON) $(poketools)/gfx.py pic := $(PYTHON) $(poketools)/pic.py @@ -14,8 +54,9 @@ includes := $(PYTHON) $(poketools)/scan_includes.py pre := $(PYTHON) prequeue.py -versions := red blue yellow +# Collect file dependencies for objects in red/, blue/ and yellow/. +# These aren't provided by rgbds by default, so we have to look for file includes ourselves. $(foreach ver, $(versions), \ $(eval $(ver)_asm := $(shell find $(ver) -iname '*.asm')) \ $(eval $(ver)_obj := $($(ver)_asm:.asm=.o)) \ @@ -26,25 +67,22 @@ $(foreach obj, $(all_obj), \ ) -roms := pokered.gbc pokeblue.gbc - -all: $(roms) -red: pokered.gbc -blue: pokeblue.gbc -yellow: pokeyellow.gbc - -compare: - @$(MD5) roms.md5 -clean: - rm -f $(roms) $(all_obj) - find . \( -iname '*.tx' -o -iname '*.1bpp' -o -iname '*.2bpp' -o -iname '*.pic' \) -exec rm {} + - +# Image files are added to a queue to reduce build time. They're converted when building parent objects. +%.png: ; +%.2bpp: %.png ; $(eval 2bppq += $<) @rm -f $@ +%.1bpp: %.png ; $(eval 1bppq += $<) @rm -f $@ +%.pic: %.2bpp ; $(eval picq += $<) @rm -f $@ +# Source files are not fed directly into rgbasm. +# A python preprocessor runs over them first, replacing ascii strings with correct character codes. +# It spits out the new file with extension .tx. +# The text preprocessor also uses a queue. %.asm: ; -%.tx: %.asm - $(eval txq += $<) - @rm -f $@ +%.tx: %.asm ; $(eval txq += $<) @rm -f $@ +# Assemble source files into objects. +# Queue payloads are here. These are made silent since there may be hundreds of targets. +# Use rgbasm -h to use halts without nops. $(all_obj): $$*.tx $$(patsubst %.asm, %.tx, $$($$*_dep)) @$(pre) $(txq); $(eval txq :=) @$(gfx) 2bpp $(2bppq); $(eval 2bppq :=) @@ -53,29 +91,16 @@ $(all_obj): $$*.tx $$(patsubst %.asm, %.tx, $$($$*_dep)) rgbasm -h -o $@ $*.tx -link = rgblink -n $*.sym -m $*.map -dmg_opt := -jsv -k 01 -l 0x33 -m 0x13 -p 0 -r 03 -cgb_opt := -cjsv -k 01 -l 0x33 -m 0x1b -p 0 -r 03 +# Link objects together to build a rom. -pokered.gbc: $(red_obj) - $(link) -o $@ $^ - rgbfix $(dmg_opt) -t "POKEMON RED" $@ +# Make a symfile for debugging. rgblink will segfault if a mapfile isn't made too. +link = rgblink -n poke$*.sym -m poke$*.map -pokeblue.gbc: $(blue_obj) +poke%.gbc: $$(%_obj) $(link) -o $@ $^ - rgbfix $(dmg_opt) -t "POKEMON BLUE" $@ + rgbfix $($*_opt) $@ -pokeyellow.gbc: $(yellow_obj) - $(link) -o $@ $^ - rgbfix $(cgb_opt) -t "POKEMON YELLOW" $@ - - -%.2bpp: %.png - $(eval 2bppq += $<) - @rm -f $@ -%.1bpp: %.png - $(eval 1bppq += $<) - @rm -f $@ -%.pic: %.2bpp - $(eval picq += $<) - @rm -f $@ + +clean: + rm -f $(roms) $(all_obj) + find . \( -iname '*.tx' -o -iname '*.1bpp' -o -iname '*.2bpp' -o -iname '*.pic' \) -exec rm {} + |