Initial commit

.gitattributes

@@ -0,0 +1,2 @@
+# Auto detect text files and perform LF normalization
+* text=auto

.gitignore

@@ -0,0 +1,41 @@
+# Prerequisites
+*.d
+
+# Visual Studio folders
+.vs
+.vscode
+
+# Compiled Object files
+*.slo
+*.lo
+*.o
+*.obj
+*.elf
+*.lst
+*.nds
+*.map
+build/
+
+# Precompiled Headers
+*.gch
+*.pch
+
+# Compiled Dynamic libraries
+*.so
+*.dylib
+*.dll
+
+# Fortran module files
+*.mod
+*.smod
+
+# Compiled Static libraries
+*.lai
+*.la
+*.a
+*.lib
+
+# Executables
+*.exe
+*.out
+*.app

LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2025 Daniel Ramírez Morilla
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

Makefile

@@ -0,0 +1,123 @@
+#---------------------------------------------------------------------------------
+.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		:=	gfx source data
+INCLUDES	:=	include build
+
+#---------------------------------------------------------------------------------
+# options for code generation
+#---------------------------------------------------------------------------------
+ARCH	:=	-march=armv5te -mtune=arm946e-s -mthumb
+
+CFLAGS	:=	-g -Wall -O2 -ffunction-sections -fdata-sections\
+			$(ARCH)
+
+CFLAGS	+=	$(INCLUDE) -DARM9
+CXXFLAGS	:= $(CFLAGS) -fno-rtti -fno-exceptions
+
+ASFLAGS	:=	-g $(ARCH)
+LDFLAGS	=	-specs=ds_arm9.specs -g $(ARCH) -Wl,-Map,$(notdir $*.map)
+
+#---------------------------------------------------------------------------------
+# any extra libraries we wish to link with the project
+#---------------------------------------------------------------------------------
+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))
+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	:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.bin)))
+
+#---------------------------------------------------------------------------------
+# use CXX for linking C++ projects, CC for standard C
+#---------------------------------------------------------------------------------
+ifeq ($(strip $(CPPFILES)),)
+#---------------------------------------------------------------------------------
+	export LD	:=	$(CC)
+#---------------------------------------------------------------------------------
+else
+#---------------------------------------------------------------------------------
+	export LD	:=	$(CXX)
+#---------------------------------------------------------------------------------
+endif
+#---------------------------------------------------------------------------------
+
+export OFILES	:=	$(BINFILES:.bin=.o) \
+					$(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: $(BUILD) clean
+
+#---------------------------------------------------------------------------------
+$(BUILD):
+	@[ -d $@ ] || mkdir -p $@
+	@$(MAKE) --no-print-directory -C $(BUILD) -f $(CURDIR)/Makefile
+
+#---------------------------------------------------------------------------------
+clean:
+	@echo clean ...
+	@rm -fr $(BUILD) $(TARGET).elf $(TARGET).nds $(TARGET).ds.gba
+
+
+#---------------------------------------------------------------------------------
+else
+
+DEPENDS	:=	$(OFILES:.o=.d)
+
+#---------------------------------------------------------------------------------
+# main targets
+#---------------------------------------------------------------------------------
+$(OUTPUT).nds	: 	$(OUTPUT).elf
+$(OUTPUT).elf	:	$(OFILES)
+
+#---------------------------------------------------------------------------------
+%.o	:	%.bin
+#---------------------------------------------------------------------------------
+	@echo $(notdir $<)
+	$(bin2o)
+
+
+-include $(DEPENDS)
+
+#---------------------------------------------------------------------------------------
+endif
+#---------------------------------------------------------------------------------------

README.md

@@ -0,0 +1,2 @@
+# xrbDS
+xrbDS is a game engine targeted to the Nintendo DS.

source/main.cpp

@@ -0,0 +1,34 @@
+#include <nds.h>
+#include <stdio.h>
+
+static volatile int frame = 0;
+
+static void Vblank() { frame++; }
+
+int main(void) {
+  touchPosition touchXY;
+
+  irqSet(IRQ_VBLANK, Vblank);
+
+  consoleDemoInit();
+
+  iprintf("      Hello DS dev'rs\n");
+  iprintf("     \x1b[32mwww.devkitpro.org\n");
+  iprintf("   \x1b[32;1mwww.drunkencoders.com\x1b[39m");
+
+  while (pmMainLoop()) {
+    swiWaitForVBlank();
+    scanKeys();
+    int keys = keysDown();
+    if (keys & KEY_START) break;
+
+    touchRead(&touchXY);
+
+    // print at using ansi escape sequence \x1b[line;columnH
+    iprintf("\x1b[10;0HFrame = %d", frame);
+    iprintf("\x1b[16;0HTouch x = %04X, %04X\n", touchXY.rawx, touchXY.px);
+    iprintf("Touch y = %04X, %04X\n", touchXY.rawy, touchXY.py);
+  }
+
+  return 0;
+}