add vram test

tools/ds_tests/vram/Makefile

@@ -0,0 +1,130 @@
+#---------------------------------------------------------------------------------
+.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
+# INCLUDES is a list of directories containing extra header files
+#---------------------------------------------------------------------------------
+TARGET		:=	$(shell basename $(CURDIR))
+BUILD		:=	build
+SOURCES		:=	source
+DATA		:=	data  
+INCLUDES	:=	include
+
+#---------------------------------------------------------------------------------
+# options for code generation
+#---------------------------------------------------------------------------------
+ARCH	:=	-mthumb -mthumb-interwork
+
+CFLAGS	:=	-g -Wall -O2\
+			-march=armv5te -mtune=arm946e-s \
+			-ffast-math \
+			$(ARCH)
+
+CFLAGS	+=	$(INCLUDE) -DARM9
+CXXFLAGS	:= $(CFLAGS)
+
+ASFLAGS	:=	-g $(ARCH) -march=armv5te -mtune=arm946e-s
+LDFLAGS	=	-specs=ds_arm9.specs -g $(ARCH) -Wl,-Map,$(notdir $*.map)
+
+#---------------------------------------------------------------------------------
+# any extra libraries we wish to link with the project
+#---------------------------------------------------------------------------------
+LIBS	:= -lfat -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) \
+					$(foreach dir,$(LIBDIRS),-I$(dir)/include) \
+					-I$(CURDIR)/$(BUILD)
+ 
+export LIBPATHS	:=	$(foreach dir,$(LIBDIRS),-L$(dir)/lib)
+ 
+.PHONY: $(BUILD) clean
+ 
+#---------------------------------------------------------------------------------
+$(BUILD):
+	@[ -d $@ ] || mkdir -p $@
+	@make --no-print-directory -C $(BUILD) -f $(CURDIR)/Makefile
+ 
+#---------------------------------------------------------------------------------
+clean:
+	@echo clean ...
+	@rm -fr $(BUILD) $(TARGET).elf $(TARGET).nds $(TARGET).arm9
+ 
+ 
+#---------------------------------------------------------------------------------
+else
+ 
+DEPENDS	:=	$(OFILES:.o=.d)
+ 
+#---------------------------------------------------------------------------------
+# main targets
+#---------------------------------------------------------------------------------
+$(OUTPUT).nds	: 	$(OUTPUT).arm9
+$(OUTPUT).arm9	:	$(OUTPUT).elf
+$(OUTPUT).elf	:	$(OFILES)
+ 
+#---------------------------------------------------------------------------------
+%.bin.o	:	%.bin
+#---------------------------------------------------------------------------------
+	@echo $(notdir $<)
+	@$(bin2o)
+ 
+ 
+-include $(DEPENDS)
+ 
+#---------------------------------------------------------------------------------------
+endif
+#---------------------------------------------------------------------------------------

tools/ds_tests/vram/source/main.cpp

@@ -0,0 +1,64 @@
+/* 	regs IO test
+
+	Copyright 2010 DeSmuME team
+
+    This file is part of DeSmuME
+
+    DeSmuME is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    DeSmuME is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with DeSmuME; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA
+*/
+#include <nds.h>
+
+#include <stdio.h>
+
+#define myassert(e,msg)       ((e) ? (void)0 : _myassert(__FILE__, __LINE__, #e, msg))
+
+void _myassert(const char *fileName, int lineNumber, const char* conditionString, const char* message)
+{
+	iprintf("---\nAssertion failed!\n\x1b[39mFile: \n%s\n\nLine: %d\n\nCondition:\n%s\n\n\x1b[41m%s",fileName, lineNumber, conditionString, message);
+	for(;;) swiWaitForVBlank();
+}
+
+int main(void) {
+	consoleDemoInit();
+
+	for(int i=0;i<32;i++)
+	{
+		GFX_FOG_TABLE[i] = 0xFF;
+		iprintf("%02X\n",GFX_FOG_TABLE[i]);
+		myassert(GFX_FOG_TABLE[i] == 0x00,"test whether fog table entries are writeable");
+	}
+
+	//test what happens when you do 8bit reads and writes to OAM
+	vu16* const oam16 = (vu16*)0x07000000;
+	vu8* const oam8 = (vu8*)0x07000000;
+	vu8* const oam8b = (vu8*)0x07000001;
+	*oam16 = 0;
+	myassert(*oam16 == 0x00,"oam access A");
+	myassert(*oam8 == 0x00,"oam access B");
+	myassert(*oam8b == 0x00,"oam access C");
+	*oam16 = 0x1234;
+	myassert(*oam16 == 0x1234,"oam access D");
+	myassert(*oam8 == 0x34,"oam access E");
+	myassert(*oam8b == 0x12,"oam access F");
+	*oam8 = 0xFF;
+	*oam8b = 0xEE;
+	myassert(*oam16 == 0x1234,"oam access G");
+	myassert(*oam8 == 0x34,"oam access H");
+	myassert(*oam8b == 0x12,"oam access I");
+	
+	iprintf("all tests OK");
+	for(;;) swiWaitForVBlank();
+	return 0;
+}