Add disassembled nrio driver to staging

staging/nrio/Makefile

@@ -0,0 +1,136 @@
+#---------------------------------------------------------------------------------
+.SUFFIXES:
+#---------------------------------------------------------------------------------
+
+ifeq ($(strip $(DEVKITARM)),)
+$(error "Please set DEVKITARM in your environment. export DEVKITARM=<path to>devkitARM)
+endif
+
+include $(DEVKITARM)/ds_rules
+
+#---------------------------------------------------------------------------------
+# TARGET is the name of the output
+# BUILD is the directory where object files & intermediate files will be placed
+# SOURCES is a list of directories containing source code
+# DATA is a list of directories containing data files
+# INCLUDES is a list of directories containing header files
+# SPECS is the directory containing the important build and link files
+#---------------------------------------------------------------------------------
+export TARGET		:=	$(shell basename $(CURDIR))
+BUILD		:=	build
+SOURCES		:=	source
+DATA		:=	data
+INCLUDES	:=	include
+SPECS		:=	specs
+
+
+#---------------------------------------------------------------------------------
+# options for code generation
+#---------------------------------------------------------------------------------
+ARCH	:=	-mthumb-interwork
+
+CFLAGS	:=	-g -Wall -O2\
+			-mcpu=arm7tdmi -mtune=arm7tdmi -fomit-frame-pointer\
+			-ffast-math \
+			$(ARCH)
+
+CFLAGS	+=	$(INCLUDE) -DARM9 -fPIC
+
+CXXFLAGS	:= $(CFLAGS) -fno-rtti -fno-exceptions
+
+ASFLAGS	:=	-g $(ARCH)
+LDFLAGS	=	-specs=$(CURDIR)/../$(SPECS)/dldi.specs -T $(CURDIR)/../$(SPECS)/dldi.ld -g $(ARCH) -Wl,-Map,$(TARGET).map
+
+LIBS	:= -lnds9
+
+#---------------------------------------------------------------------------------
+# list of directories containing libraries, this must be the top level containing
+# include and lib
+#---------------------------------------------------------------------------------
+LIBDIRS	:=	$(LIBNDS)
+
+
+#---------------------------------------------------------------------------------
+# no real need to edit anything past this point unless you need to add additional
+# rules for different file extensions
+#---------------------------------------------------------------------------------
+ifneq ($(BUILD),$(notdir $(CURDIR)))
+#---------------------------------------------------------------------------------
+
+export OUTPUT	:=	$(CURDIR)/$(TARGET)
+
+export VPATH	:=	$(foreach dir,$(SOURCES),$(CURDIR)/$(dir)) \
+			$(foreach dir,$(DATA),$(CURDIR)/$(dir))
+
+export DEPSDIR	:=	$(CURDIR)/$(BUILD)
+
+CFILES		:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.c)))
+CPPFILES	:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.cpp)))
+SFILES		:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.s)))
+BINFILES	:=	$(foreach dir,$(DATA),$(notdir $(wildcard $(dir)/*.*)))
+
+#---------------------------------------------------------------------------------
+# use CXX for linking C++ projects, CC for standard C
+#---------------------------------------------------------------------------------
+ifeq ($(strip $(CPPFILES)),)
+#---------------------------------------------------------------------------------
+	export LD	:=	$(CC)
+#---------------------------------------------------------------------------------
+else
+#---------------------------------------------------------------------------------
+	export LD	:=	$(CXX)
+#---------------------------------------------------------------------------------
+endif
+#---------------------------------------------------------------------------------
+
+export OFILES	:=	$(addsuffix .o,$(BINFILES)) \
+			$(CPPFILES:.cpp=.o) $(CFILES:.c=.o) $(SFILES:.s=.o)
+
+export INCLUDE	:=	$(foreach dir,$(INCLUDES),-I$(CURDIR)/$(dir)) \
+			$(foreach dir,$(LIBDIRS),-I$(dir)/include) \
+			-I$(CURDIR)/$(BUILD)
+
+export LIBPATHS	:=	$(foreach dir,$(LIBDIRS),-L$(dir)/lib)
+
+.PHONY: $(BUILD) clean all
+
+#---------------------------------------------------------------------------------
+all: $(BUILD)
+
+$(BUILD):
+	@[ -d $@ ] || mkdir -p $@
+	@make -C $(SPECS)
+	@make --no-print-directory -C $(BUILD) -f $(CURDIR)/Makefile
+
+#---------------------------------------------------------------------------------
+clean:
+	@echo clean ...
+	@rm -fr $(BUILD) $(TARGET).dldi $(TARGET).elf
+
+	@make -C $(SPECS) clean
+
+
+#---------------------------------------------------------------------------------
+else
+
+DEPENDS	:=	$(OFILES:.o=.d)
+
+#---------------------------------------------------------------------------------
+# main targets
+#---------------------------------------------------------------------------------
+$(OUTPUT).dldi	:	$(OUTPUT).elf
+$(OUTPUT).elf	:	$(OFILES)
+
+
+#---------------------------------------------------------------------------------
+%.dldi: %.elf
+	@$(OBJCOPY) -O binary $< $@
+	@echo built ... $(notdir $@)
+
+
+-include $(DEPENDS)
+
+
+#---------------------------------------------------------------------------------------
+endif
+#---------------------------------------------------------------------------------------

staging/nrio/source/iointerface.c

@@ -0,0 +1,65 @@
+#include <nds/ndstypes.h>
+
+u32 dword_BF804D04 = 0;
+u32 dword_BF804D08 = 0xFFFFFFFF;
+u32 byte_BF804D0C = 0;
+u8 unk_BF804D10[0x18];
+u32 unk_BF804D28 = 0;
+u32 unk_BF804D2C = 0;
+u32 unk_BF804D30 = 0;
+u32 unk_BF804D34 = 0;
+u32 unk_BF804D38 = 0;
+u8 unk_BF804D3C[0x40];
+u32 unk_BF804D7C = 0;
+u32 unk_BF804D80 = 0;
+u32 unk_BF804D84 = 0;
+u32 unk_BF804D88 = 0;
+u32 unk_BF804D8C = 0;
+u32 unk_BF804D90 = 0;
+u32 unk_BF804D94 = 0;
+u32 unk_BF804D98 = 0;
+u32 unk_BF804D9C = 0;
+u32 unk_BF804DA0 = 0;
+u8 unk_BF804DA4[0x40];
+u32 unk_BF804DE4 = 0;
+u32 unk_BF804DE8 = 0;
+u32 unk_BF804DEC = 0;
+u32 unk_BF804DF0 = 0;
+u32 unk_BF804DF4 = 0;
+u32 unk_BF804DF8 = 0;
+u32 unk_BF804DFC = 0;
+u8 unk_BF804E00[0x100];
+u8 unk_BF804F00[0x100];
+u8 unk_BF805000[0x40];
+u32 unk_BF805040 = 0;
+u32 unk_BF805044 = 0;
+u32 unk_BF805048 = 0;
+u32 unk_BF80504C = 0;
+u8 unk_BF805050[0x100];
+u32 unk_BF805150 = 0;
+u32 unk_BF805154 = 0;
+u8 unk_BF805158[0x100];
+u32 unk_BF805258 = 0;
+u32 unk_BF80525C = 0;
+u32 unk_BF805260 = 0;
+u32 unk_BF805264 = 0;
+u8 unk_BF805268[0x40];
+u8 unk_BF8052A8[0x800];
+u8 unk_BF805AA8[0x40];
+u32 unk_BF805AE8 = 0;
+u32 unk_BF805AEC = 0;
+u32 unk_BF805AF0 = 0;
+u32 unk_BF805AF4 = 0;
+u32 unk_BF805AF8 = 0;
+u8 unk_BF805AFC[0x40];
+u32 unk_BF805B3C = 0;
+u32 unk_BF805B40 = 0;
+u8 unk_BF805B44[0x40];
+u32 unk_BF805B84 = 0;
+u32 unk_BF805B88 = 0;
+u32 unk_BF805B8C = 0;
+u32 unk_BF805B90 = 0;
+u32 unk_BF805B94 = 0;
+u32 unk_BF805B98 = 0;
+u32 unk_BF805B9C = 0;
+u32 unk_BF805BA0 = 0;