# you may or may not need to change this
#devkit_path = x:/stuff/dev/devkitgp2x/
export CROSS = arm-linux-
#CROSS = $(devkit_path)bin/arm-linux-

# settings
#mz80 = 1
#debug_cyclone = 1
asm_memory = 1
asm_render = 1
asm_ym2612 = 1
asm_misc = 1
asm_cdpico = 1
asm_cdmemory = 1
amalgamate = 0
#profile = 1
#use_musashi = 1
#up = 1


ifeq "$(debug_cyclone)" "1"
use_cyclone = 1
use_musashi = 1
endif
ifeq "$(use_musashi)" "1"
asm_cdpico = 0
asm_memory = 0
asm_cdmemory = 0
else
use_cyclone = 1
endif

DEFINC = -I../.. -I. -DARM -D__GP2X__ # -DBENCHMARK
COPT_COMMON = -static -Wall -Winline
ifeq ($(DEBUG),)
COPT_COMMON += -O2 -ftracer -fstrength-reduce -fomit-frame-pointer -fstrict-aliasing -ffast-math
else
COPT_COMMON += -ggdb
endif
ifeq "$(profile)" "1"
COPT_COMMON += -fprofile-generate
endif
ifeq "$(profile)" "2"
COPT_COMMON += -fprofile-use
endif
COPT = $(COPT_COMMON) -mtune=arm920t
ASOPT = -mcpu=arm920t -mfloat-abi=soft
GCC = $(CROSS)gcc
STRIP = $(CROSS)strip
AS = $(CROSS)as
LD = $(CROSS)ld
OBJCOPY = $(CROSS)objcopy

# frontend
OBJS += main.o menu.o gp2x.o usbjoy.o emu.o squidgehack.o cpuctrl.o
# 940 core control
OBJS += 940ctl.o

# common
OBJS += ../common/emu.o ../common/menu.o ../common/fonts.o ../common/arm_utils.o \
	../common/readpng.o ../common/mp3_helix.o

# Pico
ifeq "$(amalgamate)" "1"
OBJS += ../../PicoAll.o
else
OBJS += ../../Pico/Area.o ../../Pico/Cart.o ../../Pico/Memory.o ../../Pico/Misc.o \
		../../Pico/Pico.o ../../Pico/Sek.o ../../Pico/VideoPort.o ../../Pico/Draw2.o ../../Pico/Draw.o \
		../../Pico/Patch.o
# Pico - CD
OBJS += ../../Pico/cd/Pico.o ../../Pico/cd/Memory.o ../../Pico/cd/Sek.o ../../Pico/cd/LC89510.o \
		../../Pico/cd/cd_sys.o ../../Pico/cd/cd_file.o ../../Pico/cd/gfx_cd.o \
		../../Pico/cd/Area.o ../../Pico/cd/Misc.o ../../Pico/cd/pcm.o ../../Pico/cd/buffering.o
endif

# asm stuff
ifeq "$(asm_render)" "1"
DEFINC += -D_ASM_DRAW_C
OBJS += ../../Pico/draw_asm.o ../../Pico/draw2_asm.o
endif
ifeq "$(asm_memory)" "1"
DEFINC += -D_ASM_MEMORY_C
OBJS += ../../Pico/memory_asm.o
endif
ifeq "$(asm_ym2612)" "1"
DEFINC += -D_ASM_YM2612_C
OBJS += ../../Pico/sound/ym2612_asm.o
endif
ifeq "$(asm_misc)" "1"
DEFINC += -D_ASM_MISC_C
OBJS += ../../Pico/misc_asm.o
OBJS += ../../Pico/cd/misc_asm.o
endif
ifeq "$(asm_cdpico)" "1"
DEFINC += -D_ASM_CD_PICO_C
OBJS += ../../Pico/cd/pico_asm.o
endif
ifeq "$(asm_cdmemory)" "1"
DEFINC += -D_ASM_CD_MEMORY_C
OBJS += ../../Pico/cd/memory_asm.o
endif

# Pico - sound
ifneq "$(amalgamate)" "1"
OBJS += ../../Pico/sound/sound.o
endif
OBJS += ../../Pico/sound/mix_asm.o
OBJS += ../../Pico/sound/sn76496.o ../../Pico/sound/ym2612.o
# zlib
OBJS += ../../zlib/gzio.o ../../zlib/inffast.o ../../zlib/inflate.o ../../zlib/inftrees.o ../../zlib/trees.o \
	../../zlib/deflate.o ../../zlib/crc32.o ../../zlib/adler32.o ../../zlib/zutil.o ../../zlib/compress.o
# unzip
OBJS += ../../unzip/unzip.o ../../unzip/unzip_stream.o
# debug
ifeq "$(debug_cyclone)" "1"
OBJS += ../../Pico/_cyclone_debug.o ../../cpu/musashi/m68kdasm.o
endif
# CPU cores
ifeq "$(use_musashi)" "1"
DEFINC += -DEMU_M68K
OBJS += ../../cpu/musashi/m68kops.o ../../cpu/musashi/m68kcpu.o
endif
ifeq "$(use_cyclone)" "1"
DEFINC += -DEMU_C68K
OBJS += ../../cpu/Cyclone/proj/Cyclone.o
endif
# drz80/mz80
ifeq "$(mz80)" "1"
DEFINC += -D_USE_MZ80
OBJS += ../../cpu/mz80/mz80.o
else
DEFINC += -D_USE_DRZ80
OBJS += ../../cpu/DrZ80/drz80.o
endif


all: PicoDrive.gpe

PicoDrive.gpe : $(OBJS) ../common/helix/helix_mp3.a
	@echo ">>>" $@
	$(GCC) -o $@ $(COPT) $^ -lm -lpng -Wl,-Map=PicoDrive.map
ifeq ($(DEBUG),)
	$(STRIP) $@
endif

up: PicoDrive.gpe
	@cp -v PicoDrive.gpe /mnt/gp2x/mnt/sd/emus/PicoDrive/

#	@cmd //C copy PicoDrive.gpe \\\\10.0.1.2\\gp2x\\mnt\\sd\\games\\PicoDrive\\


.c.o:
	@echo ">>>" $<
	$(GCC) $(COPT) $(DEFINC) -c $< -o $@
.s.o:
	@echo ">>>" $<
	$(GCC) $(COPT) $(DEFINC) -c $< -o $@

../../Pico/draw_asm.o : ../../Pico/Draw.s
	@echo ">>>" $<
	$(AS) $(ASOPT) $< -o $@
../../Pico/draw2_asm.o : ../../Pico/Draw2.s
	@echo ">>>" $<
	$(AS) $(ASOPT) $< -o $@
../../Pico/memory_asm.o : ../../Pico/Memory.s
	@echo ">>>" $<
	$(AS) $(ASOPT) $< -o $@
../../Pico/sound/ym2612_asm.o : ../../Pico/sound/ym2612.s
	@echo ">>>" $<
	$(AS) $(ASOPT) $< -o $@
../../Pico/sound/mix_asm.o : ../../Pico/sound/mix.s
	@echo ">>>" $<
	$(AS) $(ASOPT) $< -o $@
../../Pico/misc_asm.o : ../../Pico/Misc.s
	@echo ">>>" $<
	$(AS) $(ASOPT) $< -o $@
../../Pico/cd/pico_asm.o : ../../Pico/cd/Pico.s
	@echo ">>>" $<
	$(AS) $(ASOPT) $< -o $@
../../Pico/cd/memory_asm.o : ../../Pico/cd/Memory.s
	@echo ">>>" $<
	$(AS) $(ASOPT) $< -o $@
../../Pico/cd/misc_asm.o : ../../Pico/cd/Misc.s
	@echo ">>>" $<
	$(AS) $(ASOPT) $< -o $@

# build Cyclone
../../cpu/Cyclone/proj/Cyclone.s :
	@echo building Cyclone...
	@make -C ../../cpu/Cyclone/proj CONFIG_FILE=config_pico.h

../../cpu/musashi/m68kops.c :
	@make -C ../../cpu/musashi


# build helix libs
../common/helix/helix_mp3.a:
	make -C ../common/helix

readme.txt: ../../tools/textfilter ../base_readme.txt
	../../tools/textfilter ../base_readme.txt $@ GP2X

../../tools/textfilter: ../../tools/textfilter.c
	make -C ../../tools/ textfilter


# cleanup
clean: tidy
	$(RM) PicoDrive.gpe
tidy:
	$(RM) $(OBJS)
#	@make -C ../../cpu/Cyclone/proj -f Makefile.linux clean


clean_prof:
	find ../.. -name '*.gcno' -delete
	find ../.. -name '*.gcda' -delete

# ----------- release -----------
ifneq ($(findstring rel,$(MAKECMDGOALS)),)
ifeq ($(VER),)
$(error need VER)
endif
endif

rel: PicoDrive.gpe code940/pico940.bin readme.txt PicoDrive.man.txt PicoDrive.png
	zip -9 -j ../../PicoDrive_$(VER).zip $^ mmuhack.o
	zip -9 -r ../../PicoDrive_$(VER).zip skin -i \*.png -i \*.txt

code940/code940.bin:
	make -C code940/