├── .gitignore ├── .gitmodules ├── LICENSE ├── Makefile ├── README.md ├── link.ld ├── resources ├── BrahmaAppInfo ├── BrahmaIcon.png ├── CakesROP │ ├── drunkenlogo.grit │ └── drunkenlogo.png └── LauncherTemplate.dat └── source ├── common.h ├── draw.c ├── draw.h ├── font.h ├── hid.c ├── hid.h ├── i2c.c ├── i2c.h ├── main.c ├── start.s ├── timer.c └── timer.h /.gitignore: -------------------------------------------------------------------------------- 1 | # Object files 2 | *.o 3 | *.ko 4 | *.obj 5 | *.elf 6 | 7 | # Precompiled Headers 8 | *.gch 9 | *.pch 10 | 11 | # Libraries 12 | *.lib 13 | *.a 14 | *.la 15 | *.lo 16 | 17 | # Shared objects (inc. Windows DLLs) 18 | *.dll 19 | *.so 20 | *.so.* 21 | *.dylib 22 | 23 | # Executables 24 | *.exe 25 | *.out 26 | *.app 27 | *.i*86 28 | *.x86_64 29 | *.hex 30 | 31 | # Debug files 32 | *.dSYM/ 33 | 34 | # User additions 35 | /backup 36 | /build 37 | /output 38 | /release 39 | 40 | .DS_Store 41 | -------------------------------------------------------------------------------- /.gitmodules: -------------------------------------------------------------------------------- 1 | [submodule "CakeHax"] 2 | path = CakeHax 3 | url = https://github.com/mid-kid/CakeHax 4 | [submodule "CakesROP"] 5 | path = CakesROP 6 | url = https://github.com/mid-kid/CakesROP 7 | ignore = dirty 8 | [submodule "BrahmaLoader"] 9 | path = BrahmaLoader 10 | url = https://github.com/d0k3/BrahmaLoader 11 | ignore = dirty 12 | [submodule "CakeBrah"] 13 | path = CakeBrah 14 | url = https://github.com/mid-kid/CakeBrah 15 | ignore = dirty 16 | [submodule "2xrsa"] 17 | path = 2xrsa 18 | url = https://github.com/b1l1s/2xrsa 19 | ignore = dirty 20 | [submodule "firmtool"] 21 | path = firmtool 22 | url = https://github.com/TuxSH/firmtool.git 23 | ignore = dirty 24 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | GNU GENERAL PUBLIC LICENSE 2 | Version 3, 29 June 2007 3 | 4 | Copyright (C) 2007 Free Software Foundation, Inc. 5 | Everyone is permitted to copy and distribute verbatim copies 6 | of this license document, but changing it is not allowed. 7 | 8 | Preamble 9 | 10 | The GNU General Public License is a free, copyleft license for 11 | software and other kinds of works. 12 | 13 | The licenses for most software and other practical works are designed 14 | to take away your freedom to share and change the works. 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Interpretation of Sections 15 and 16. 613 | 614 | If the disclaimer of warranty and limitation of liability provided 615 | above cannot be given local legal effect according to their terms, 616 | reviewing courts shall apply local law that most closely approximates 617 | an absolute waiver of all civil liability in connection with the 618 | Program, unless a warranty or assumption of liability accompanies a 619 | copy of the Program in return for a fee. 620 | 621 | END OF TERMS AND CONDITIONS 622 | 623 | How to Apply These Terms to Your New Programs 624 | 625 | If you develop a new program, and you want it to be of the greatest 626 | possible use to the public, the best way to achieve this is to make it 627 | free software which everyone can redistribute and change under these terms. 628 | 629 | To do so, attach the following notices to the program. It is safest 630 | to attach them to the start of each source file to most effectively 631 | state the exclusion of warranty; and each file should have at least 632 | the "copyright" line and a pointer to where the full notice is found. 633 | 634 | {one line to give the program's name and a brief idea of what it does.} 635 | Copyright (C) {year} {name of author} 636 | 637 | This program is free software: you can redistribute it and/or modify 638 | it under the terms of the GNU General Public License as published by 639 | the Free Software Foundation, either version 3 of the License, or 640 | (at your option) any later version. 641 | 642 | This program is distributed in the hope that it will be useful, 643 | but WITHOUT ANY WARRANTY; without even the implied warranty of 644 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 645 | GNU General Public License for more details. 646 | 647 | You should have received a copy of the GNU General Public License 648 | along with this program. If not, see . 649 | 650 | Also add information on how to contact you by electronic and paper mail. 651 | 652 | If the program does terminal interaction, make it output a short 653 | notice like this when it starts in an interactive mode: 654 | 655 | {project} Copyright (C) {year} {fullname} 656 | This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. 657 | This is free software, and you are welcome to redistribute it 658 | under certain conditions; type `show c' for details. 659 | 660 | The hypothetical commands `show w' and `show c' should show the appropriate 661 | parts of the General Public License. Of course, your program's commands 662 | might be different; for a GUI interface, you would use an "about box". 663 | 664 | You should also get your employer (if you work as a programmer) or school, 665 | if any, to sign a "copyright disclaimer" for the program, if necessary. 666 | For more information on this, and how to apply and follow the GNU GPL, see 667 | . 668 | 669 | The GNU General Public License does not permit incorporating your program 670 | into proprietary programs. If your program is a subroutine library, you 671 | may consider it more useful to permit linking proprietary applications with 672 | the library. If this is what you want to do, use the GNU Lesser General 673 | Public License instead of this License. But first, please read 674 | . 675 | -------------------------------------------------------------------------------- /Makefile: -------------------------------------------------------------------------------- 1 | #--------------------------------------------------------------------------------- 2 | .SUFFIXES: 3 | #--------------------------------------------------------------------------------- 4 | 5 | ifeq ($(strip $(DEVKITARM)),) 6 | $(error "Please set DEVKITARM in your environment. export DEVKITARM=devkitARM") 7 | endif 8 | 9 | include $(DEVKITARM)/ds_rules 10 | 11 | #--------------------------------------------------------------------------------- 12 | # TARGET is the name of the output 13 | # BUILD is the directory where object files & intermediate files will be placed 14 | # SOURCES is a list of directories containing source code 15 | # DATA is a list of directories containing data files 16 | # INCLUDES is a list of directories containing header files 17 | # SPECS is the directory containing the important build and link files 18 | #--------------------------------------------------------------------------------- 19 | export TARGET := HelloEntryPoint 20 | BUILD := build 21 | SOURCES := source 22 | DATA := data 23 | INCLUDES := source 24 | 25 | #--------------------------------------------------------------------------------- 26 | # options for code generation 27 | #--------------------------------------------------------------------------------- 28 | ARCH := -mthumb -mthumb-interwork -flto 29 | 30 | CFLAGS := -g -Wall -Wextra -Wpedantic -Wno-main -O2\ 31 | -march=armv5te -mtune=arm946e-s -fomit-frame-pointer\ 32 | -ffast-math -std=gnu99\ 33 | $(ARCH) 34 | 35 | CFLAGS += $(INCLUDE) -DARM9 36 | 37 | CFLAGS += -DBUILD_NAME="\"$(TARGET) (`date +'%Y/%m/%d'`)\"" 38 | 39 | CXXFLAGS := $(CFLAGS) -fno-rtti -fno-exceptions 40 | 41 | ASFLAGS := -g $(ARCH) 42 | LDFLAGS = -T../link.ld -nostartfiles -g $(ARCH) -Wl,-Map,$(TARGET).map 43 | 44 | LIBS := 45 | 46 | #--------------------------------------------------------------------------------- 47 | # list of directories containing libraries, this must be the top level containing 48 | # include and lib 49 | #--------------------------------------------------------------------------------- 50 | LIBDIRS := 51 | 52 | #--------------------------------------------------------------------------------- 53 | # no real need to edit anything past this point unless you need to add additional 54 | # rules for different file extensions 55 | #--------------------------------------------------------------------------------- 56 | ifneq ($(BUILD),$(notdir $(CURDIR))) 57 | #--------------------------------------------------------------------------------- 58 | 59 | export OUTPUT_D := $(CURDIR)/output 60 | export OUTPUT := $(OUTPUT_D)/$(TARGET) 61 | export RELEASE := $(CURDIR)/release 62 | 63 | export VPATH := $(foreach dir,$(SOURCES),$(CURDIR)/$(dir)) \ 64 | $(foreach dir,$(DATA),$(CURDIR)/$(dir)) 65 | 66 | export DEPSDIR := $(CURDIR)/$(BUILD) 67 | 68 | CFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.c))) 69 | CPPFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.cpp))) 70 | SFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.s))) 71 | BINFILES := $(foreach dir,$(DATA),$(notdir $(wildcard $(dir)/*.*))) 72 | 73 | #--------------------------------------------------------------------------------- 74 | # use CXX for linking C++ projects, CC for standard C 75 | #--------------------------------------------------------------------------------- 76 | ifeq ($(strip $(CPPFILES)),) 77 | #--------------------------------------------------------------------------------- 78 | export LD := $(CC) 79 | #--------------------------------------------------------------------------------- 80 | else 81 | #--------------------------------------------------------------------------------- 82 | export LD := $(CXX) 83 | #--------------------------------------------------------------------------------- 84 | endif 85 | #--------------------------------------------------------------------------------- 86 | 87 | export OFILES := $(addsuffix .o,$(BINFILES)) \ 88 | $(CPPFILES:.cpp=.o) $(CFILES:.c=.o) $(SFILES:.s=.o) 89 | 90 | export INCLUDE := $(foreach dir,$(INCLUDES),-I$(CURDIR)/$(dir)) \ 91 | $(foreach dir,$(LIBDIRS),-I$(dir)/include) \ 92 | -I$(CURDIR)/$(BUILD) 93 | 94 | export LIBPATHS := $(foreach dir,$(LIBDIRS),-L$(dir)/lib) 95 | 96 | .PHONY: common clean all gateway firm 2xrsa binary cakehax cakerop brahma release 97 | 98 | #--------------------------------------------------------------------------------- 99 | all: binary 100 | 101 | common: 102 | @[ -d $(OUTPUT_D) ] || mkdir -p $(OUTPUT_D) 103 | @[ -d $(BUILD) ] || mkdir -p $(BUILD) 104 | 105 | submodules: 106 | @-git submodule update --init --recursive 107 | 108 | binary: common 109 | @make --no-print-directory -C $(BUILD) -f $(CURDIR)/Makefile 110 | 111 | firm: binary 112 | @firmtool/firmtool build $(OUTPUT).firm -n 0x23F00000 -e 0 -D $(OUTPUT).bin -A 0x23F00000 -C NDMA -i 113 | 114 | gateway: binary 115 | @cp resources/LauncherTemplate.dat $(OUTPUT_D)/Launcher.dat 116 | @dd if=$(OUTPUT).bin of=$(OUTPUT_D)/Launcher.dat bs=1497296 seek=1 conv=notrunc 117 | 118 | 2xrsa: binary 119 | @make --no-print-directory -C 2xrsa 120 | @mv $(OUTPUT).bin $(OUTPUT_D)/arm9.bin 121 | @mv $(CURDIR)/2xrsa/bin/arm11.bin $(OUTPUT_D)/arm11.bin 122 | 123 | cakehax: submodules binary 124 | @make dir_out=$(OUTPUT_D) name=$(TARGET).dat -C CakeHax bigpayload 125 | @dd if=$(OUTPUT).bin of=$(OUTPUT).dat bs=512 seek=160 126 | 127 | cakerop: cakehax 128 | @make DATNAME=$(TARGET).dat DISPNAME=$(TARGET) GRAPHICS=../resources/CakesROP -C CakesROP 129 | @mv CakesROP/CakesROP.nds $(OUTPUT_D)/$(TARGET).nds 130 | 131 | cakebrah: cakehax 132 | @cp resources/BrahmaIcon.png Cakebrah/icon.png 133 | @make name=$(TARGET).dat APP_TITLE="$(APP_TITLE)" APP_DESCRIPTION="$(APP_DESCRIPTION)" APP_AUTHOR="$(APP_AUTHOR)" -C Cakebrah 134 | @mv CakeBrah/*.3dsx $(OUTPUT_D) 135 | @mv CakeBrah/*.smdh $(OUTPUT_D) 136 | 137 | brahma: submodules binary 138 | @[ -d BrahmaLoader/data ] || mkdir -p BrahmaLoader/data 139 | @cp $(OUTPUT).bin BrahmaLoader/data/payload.bin 140 | @cp resources/BrahmaAppInfo BrahmaLoader/resources/AppInfo 141 | @cp resources/BrahmaIcon.png BrahmaLoader/resources/icon.png 142 | @make --no-print-directory -C BrahmaLoader APP_TITLE=$(TARGET) 143 | @mv BrahmaLoader/output/*.3dsx $(OUTPUT_D) 144 | @mv BrahmaLoader/output/*.smdh $(OUTPUT_D) 145 | 146 | release: 147 | @rm -fr $(BUILD) $(OUTPUT_D) $(RELEASE) 148 | @make --no-print-directory binary 149 | @-make --no-print-directory firm 150 | @-make --no-print-directory 2xrsa 151 | @-make --no-print-directory gateway 152 | @-make --no-print-directory cakerop 153 | @-make --no-print-directory brahma 154 | @[ -d $(RELEASE) ] || mkdir -p $(RELEASE) 155 | @[ -d $(RELEASE)/$(TARGET) ] || mkdir -p $(RELEASE)/$(TARGET) 156 | @-cp $(OUTPUT_D)/Launcher.dat $(RELEASE) 157 | @cp $(OUTPUT).bin $(RELEASE) 158 | @-cp $(OUTPUT).firm $(RELEASE) 159 | @-cp $(OUTPUT_D)/arm9.bin $(RELEASE) 160 | @-cp $(OUTPUT_D)/arm11.bin $(RELEASE) 161 | @-cp $(OUTPUT).dat $(RELEASE) 162 | @-cp $(OUTPUT).nds $(RELEASE) 163 | @-cp $(OUTPUT).3dsx $(RELEASE)/$(TARGET) 164 | @-cp $(OUTPUT).smdh $(RELEASE)/$(TARGET) 165 | @-7z a $(RELEASE)/$(TARGET)-`date +'%Y%m%d-%H%M%S'`.zip $(RELEASE)/* 166 | 167 | #--------------------------------------------------------------------------------- 168 | clean: 169 | @echo clean ... 170 | @-make clean --no-print-directory -C CakeHax 171 | @-make clean --no-print-directory -C CakesROP 172 | @-make clean --no-print-directory -C CakeBrah 173 | @-make clean --no-print-directory -C 2xrsa 174 | @-make clean --no-print-directory -C BrahmaLoader 175 | @rm -fr $(BUILD) $(OUTPUT_D) $(RELEASE) 176 | 177 | 178 | #--------------------------------------------------------------------------------- 179 | else 180 | 181 | DEPENDS := $(OFILES:.o=.d) 182 | 183 | #--------------------------------------------------------------------------------- 184 | # main targets 185 | #--------------------------------------------------------------------------------- 186 | $(OUTPUT).bin : $(OUTPUT).elf 187 | $(OUTPUT).elf : $(OFILES) 188 | 189 | 190 | #--------------------------------------------------------------------------------- 191 | %.bin: %.elf 192 | @$(OBJCOPY) --set-section-flags .bss=alloc,load,contents -O binary $< $@ 193 | @echo built ... $(notdir $@) 194 | 195 | 196 | -include $(DEPENDS) 197 | 198 | 199 | #--------------------------------------------------------------------------------------- 200 | endif 201 | #--------------------------------------------------------------------------------------- 202 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # HelloEntryPoint 2 | A simple test application for various ARM9 entrypoints 3 | 4 | Includes: 5 | * ARM9loaderhax entry point 6 | * Boot9strap (FIRM) entry point 7 | * Gateway 4.x Launcher.dat entry point 8 | * Brahmaloader (Homebrew Launcher) entry point 9 | * CakeHax entry point 10 | * CakeROP entry point 11 | * CakeBrah (Homebrew Launcher) entry point 12 | * 2xrsa entry point 13 | -------------------------------------------------------------------------------- /link.ld: -------------------------------------------------------------------------------- 1 | OUTPUT_FORMAT("elf32-littlearm", "elf32-bigarm", "elf32-littlearm") 2 | OUTPUT_ARCH(arm) 3 | ENTRY(_start) 4 | 5 | SECTIONS 6 | { 7 | . = 0x23F00000; 8 | 9 | .text.start : ALIGN(4) { *(.text.start) } 10 | .text : ALIGN(4) { *(.text*) } 11 | .rodata : ALIGN(4) { *(.rodata*) } 12 | .data : ALIGN(4) { *(.data*) } 13 | .bss : ALIGN(4) { __bss_start = .; *(.bss* COMMON); __bss_end = .;} 14 | 15 | . = ALIGN(4); 16 | 17 | __end__ = ABSOLUTE(.); 18 | } 19 | -------------------------------------------------------------------------------- /resources/BrahmaAppInfo: -------------------------------------------------------------------------------- 1 | APP_TITLE = HelloEntryPoint 2 | APP_DESCRIPTION = ARM9 entrypoint test application. 3 | APP_AUTHOR = d0k3 4 | 5 | PAYLOAD_MEM = 1 6 | VOODOO = 0xF 7 | -------------------------------------------------------------------------------- /resources/BrahmaIcon.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/d0k3/HelloEntryPoint/b1019692ccd91de8bacf68df4af20e92b1b2e063/resources/BrahmaIcon.png -------------------------------------------------------------------------------- /resources/CakesROP/drunkenlogo.grit: -------------------------------------------------------------------------------- 1 | -W3 2 | # disable alpha and set opaque bit for all pixels 3 | -gT! 4 | 5 | # use lz77 compression 6 | -gzl 7 | 8 | # 16 bit bitmap 9 | -gB16 10 | 11 | -gb 12 | -------------------------------------------------------------------------------- /resources/CakesROP/drunkenlogo.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/d0k3/HelloEntryPoint/b1019692ccd91de8bacf68df4af20e92b1b2e063/resources/CakesROP/drunkenlogo.png -------------------------------------------------------------------------------- /resources/LauncherTemplate.dat: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/d0k3/HelloEntryPoint/b1019692ccd91de8bacf68df4af20e92b1b2e063/resources/LauncherTemplate.dat -------------------------------------------------------------------------------- /source/common.h: -------------------------------------------------------------------------------- 1 | #pragma once 2 | 3 | #include 4 | #include 5 | #include 6 | #include 7 | #include 8 | #include 9 | #include 10 | 11 | #define u8 uint8_t 12 | #define u16 uint16_t 13 | #define u32 uint32_t 14 | #define u64 uint64_t 15 | 16 | #define vu8 volatile u8 17 | #define vu16 volatile u16 18 | #define vu32 volatile u32 19 | #define vu64 volatile u64 20 | 21 | #define max(a,b) \ 22 | (((a) > (b)) ? (a) : (b)) 23 | #define min(a,b) \ 24 | (((a) < (b)) ? (a) : (b)) 25 | #define getbe16(d) \ 26 | ((((u8*)d)[0]<<8) | ((u8*)d)[1]) 27 | #define getbe32(d) \ 28 | ((((u32) getbe16(d))<<16) | ((u32) getbe16(d+2))) 29 | #define getbe64(d) \ 30 | ((((u64) getbe32(d))<<32) | ((u64) getbe32(d+4))) 31 | #define getle16(d) \ 32 | ((((u8*)d)[1]<<8) | ((u8*)d)[0]) 33 | #define getle32(d) \ 34 | ((((u32) getle16(d+2))<<16) | ((u32) getle16(d))) 35 | #define getle64(d) \ 36 | ((((u64) getle32(d+4))<<32) | ((u64) getle32(d))) 37 | #define align(v,a) \ 38 | (((v) % (a)) ? ((v) + (a) - ((v) % (a))) : (v)) 39 | 40 | #define ENTRY_BRAHMA (1) 41 | #define ENTRY_GATEWAY (2) 42 | -------------------------------------------------------------------------------- /source/draw.c: -------------------------------------------------------------------------------- 1 | // Copyright 2013 Normmatt 2 | // Licensed under GPLv2 or any later version 3 | // Refer to the license.txt file included. 4 | 5 | #include 6 | #include 7 | #include 8 | #include 9 | 10 | #include "font.h" 11 | #include "draw.h" 12 | 13 | /* 14 | void ClearScreen(u8* screen, int width, int color) 15 | { 16 | if (color == COLOR_TRANSPARENT) color = COLOR_BLACK; 17 | for (int i = 0; i < (width * SCREEN_HEIGHT); i++) { 18 | *(screen++) = color >> 16; // B 19 | *(screen++) = color >> 8; // G 20 | *(screen++) = color & 0xFF; // R 21 | } 22 | } 23 | 24 | void ClearScreenFull(bool clear_top, bool clear_bottom) 25 | { 26 | if (clear_top) 27 | ClearScreen(TOP_SCREEN, SCREEN_WIDTH_TOP, STD_COLOR_BG); 28 | if (clear_bottom) 29 | ClearScreen(BOT_SCREEN, SCREEN_WIDTH_BOT, STD_COLOR_BG); 30 | } 31 | */ 32 | 33 | void DrawCharacter(u8* screen, int character, int x, int y, int color, int bgcolor) 34 | { 35 | for (int yy = 0; yy < 8; yy++) { 36 | int xDisplacement = (x * BYTES_PER_PIXEL * SCREEN_HEIGHT); 37 | int yDisplacement = ((SCREEN_HEIGHT - (y + yy) - 1) * BYTES_PER_PIXEL); 38 | u8* screenPos = screen + xDisplacement + yDisplacement; 39 | 40 | u8 charPos = font[character * 8 + yy]; 41 | for (int xx = 7; xx >= 0; xx--) { 42 | if ((charPos >> xx) & 1) { 43 | *(screenPos + 0) = color >> 16; // B 44 | *(screenPos + 1) = color >> 8; // G 45 | *(screenPos + 2) = color & 0xFF; // R 46 | } else if (bgcolor != COLOR_TRANSPARENT) { 47 | *(screenPos + 0) = bgcolor >> 16; // B 48 | *(screenPos + 1) = bgcolor >> 8; // G 49 | *(screenPos + 2) = bgcolor & 0xFF; // R 50 | } 51 | screenPos += BYTES_PER_PIXEL * SCREEN_HEIGHT; 52 | } 53 | } 54 | } 55 | 56 | void DrawString(u8* screen, const char *str, int x, int y, int color, int bgcolor) 57 | { 58 | for (size_t i = 0; i < strlen(str); i++) 59 | DrawCharacter(screen, str[i], x + i * 8, y, color, bgcolor); 60 | } 61 | 62 | void DrawStringF(int x, int y, bool use_top, const char *format, ...) 63 | { 64 | char str[512] = { 0 }; // 512 should be more than enough 65 | va_list va; 66 | 67 | va_start(va, format); 68 | vsnprintf(str, 512, format, va); 69 | va_end(va); 70 | 71 | DrawString((use_top) ? TOP_SCREEN : BOT_SCREEN, str, x, y, STD_COLOR_FONT, STD_COLOR_BG); 72 | } 73 | -------------------------------------------------------------------------------- /source/draw.h: -------------------------------------------------------------------------------- 1 | // Copyright 2013 Normmatt 2 | // Licensed under GPLv2 or any later version 3 | // Refer to the license.txt file included. 4 | 5 | #pragma once 6 | 7 | #include "common.h" 8 | 9 | #define BYTES_PER_PIXEL 3 10 | #define SCREEN_HEIGHT 240 11 | #define SCREEN_WIDTH_TOP 400 12 | #define SCREEN_WIDTH_BOT 320 13 | 14 | #define RGB(r,g,b) (b<<16|g<<8|r) 15 | 16 | #define COLOR_BLACK RGB(0x00, 0x00, 0x00) 17 | #define COLOR_WHITE RGB(0xFF, 0xFF, 0xFF) 18 | #define COLOR_TRANSPARENT RGB(0xFF, 0x00, 0xEF) // otherwise known as 'super fuchsia' 19 | 20 | #define STD_COLOR_BG COLOR_BLACK 21 | #define STD_COLOR_FONT COLOR_WHITE 22 | 23 | 24 | #define TOP_SCREEN (u8*)(*(u32*)0x23FFFE00) 25 | #define BOT_SCREEN (u8*)(*(u32*)0x23FFFE08) 26 | 27 | 28 | void ClearScreen(unsigned char *screen, int width, int color); 29 | void ClearScreenFull(bool clear_top, bool clear_bottom); 30 | 31 | void DrawCharacter(unsigned char *screen, int character, int x, int y, int color, int bgcolor); 32 | void DrawString(unsigned char *screen, const char *str, int x, int y, int color, int bgcolor); 33 | void DrawStringF(int x, int y, bool use_top, const char *format, ...); 34 | -------------------------------------------------------------------------------- /source/font.h: -------------------------------------------------------------------------------- 1 | /* 2 | This file was autogenerated by raw2c. 3 | Visit http://www.devkitpro.org 4 | */ 5 | 6 | //--------------------------------------------------------------------------------- 7 | #ifndef _font_h_ 8 | #define _font_h_ 9 | //--------------------------------------------------------------------------------- 10 | static const unsigned char font[] = { 11 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7e, 0x81, 0xa5, 0x81, 0xbd, 0x99, 0x81, 0x7e, 12 | 0x7e, 0xff, 0xdb, 0xff, 0xc3, 0xe7, 0xff, 0x7e, 0x6c, 0xfe, 0xfe, 0xfe, 0x7c, 0x38, 0x10, 0x00, 13 | 0x10, 0x38, 0x7c, 0xfe, 0x7c, 0x38, 0x10, 0x00, 0x3c, 0x3c, 0x18, 0xff, 0xe7, 0x18, 0x3c, 0x00, 14 | 0x10, 0x38, 0x7c, 0xfe, 0xee, 0x10, 0x38, 0x00, 0x00, 0x00, 0x18, 0x3c, 0x3c, 0x18, 0x00, 0x00, 15 | 0xff, 0xff, 0xe7, 0xc3, 0xc3, 0xe7, 0xff, 0xff, 0x00, 0x3c, 0x66, 0x42, 0x42, 0x66, 0x3c, 0x00, 16 | 0xff, 0xc3, 0x99, 0xbd, 0xbd, 0x99, 0xc3, 0xff, 0x0f, 0x07, 0x0f, 0x7d, 0xcc, 0xcc, 0xcc, 0x78, 17 | 0x3c, 0x66, 0x66, 0x66, 0x3c, 0x18, 0x7e, 0x18, 0x08, 0x0c, 0x0a, 0x0a, 0x08, 0x78, 0xf0, 0x00, 18 | 0x18, 0x14, 0x1a, 0x16, 0x72, 0xe2, 0x0e, 0x1c, 0x10, 0x54, 0x38, 0xee, 0x38, 0x54, 0x10, 0x00, 19 | 0x80, 0xe0, 0xf8, 0xfe, 0xf8, 0xe0, 0x80, 0x00, 0x02, 0x0e, 0x3e, 0xfe, 0x3e, 0x0e, 0x02, 0x00, 20 | 0x18, 0x3c, 0x5a, 0x18, 0x5a, 0x3c, 0x18, 0x00, 0x66, 0x66, 0x66, 0x66, 0x66, 0x00, 0x66, 0x00, 21 | 0x7f, 0xdb, 0xdb, 0xdb, 0x7b, 0x1b, 0x1b, 0x00, 0x1c, 0x22, 0x38, 0x44, 0x44, 0x38, 0x88, 0x70, 22 | 0x00, 0x00, 0x00, 0x00, 0x7e, 0x7e, 0x7e, 0x00, 0x18, 0x3c, 0x5a, 0x18, 0x5a, 0x3c, 0x18, 0x7e, 23 | 0x18, 0x3c, 0x5a, 0x18, 0x18, 0x18, 0x18, 0x00, 0x18, 0x18, 0x18, 0x18, 0x5a, 0x3c, 0x18, 0x00, 24 | 0x00, 0x18, 0x0c, 0xfe, 0x0c, 0x18, 0x00, 0x00, 0x00, 0x30, 0x60, 0xfe, 0x60, 0x30, 0x00, 0x00, 25 | 0x00, 0x00, 0xc0, 0xc0, 0xc0, 0xfe, 0x00, 0x00, 0x00, 0x24, 0x42, 0xff, 0x42, 0x24, 0x00, 0x00, 26 | 0x00, 0x10, 0x38, 0x7c, 0xfe, 0xfe, 0x00, 0x00, 0x00, 0xfe, 0xfe, 0x7c, 0x38, 0x10, 0x00, 0x00, 27 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x3c, 0x3c, 0x18, 0x18, 0x00, 0x18, 0x00, 28 | 0x6c, 0x24, 0x24, 0x00, 0x00, 0x00, 0x00, 0x00, 0x6c, 0x6c, 0xfe, 0x6c, 0xfe, 0x6c, 0x6c, 0x00, 29 | 0x10, 0x7c, 0xd0, 0x7c, 0x16, 0xfc, 0x10, 0x00, 0x00, 0x66, 0xac, 0xd8, 0x36, 0x6a, 0xcc, 0x00, 30 | 0x38, 0x4c, 0x38, 0x78, 0xce, 0xcc, 0x7a, 0x00, 0x30, 0x10, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 31 | 0x18, 0x30, 0x60, 0x60, 0x60, 0x30, 0x18, 0x00, 0x60, 0x30, 0x18, 0x18, 0x18, 0x30, 0x60, 0x00, 32 | 0x00, 0x66, 0x3c, 0xff, 0x3c, 0x66, 0x00, 0x00, 0x00, 0x30, 0x30, 0xfc, 0x30, 0x30, 0x00, 0x00, 33 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x10, 0x20, 0x00, 0x00, 0x00, 0xfc, 0x00, 0x00, 0x00, 0x00, 34 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x00, 0x02, 0x06, 0x0c, 0x18, 0x30, 0x60, 0xc0, 0x00, 35 | 0x7c, 0xce, 0xde, 0xf6, 0xe6, 0xe6, 0x7c, 0x00, 0x18, 0x38, 0x78, 0x18, 0x18, 0x18, 0x7e, 0x00, 36 | 0x7c, 0xc6, 0x06, 0x1c, 0x70, 0xc6, 0xfe, 0x00, 0x7c, 0xc6, 0x06, 0x3c, 0x06, 0xc6, 0x7c, 0x00, 37 | 0x1c, 0x3c, 0x6c, 0xcc, 0xfe, 0x0c, 0x1e, 0x00, 0xfe, 0xc0, 0xfc, 0x06, 0x06, 0xc6, 0x7c, 0x00, 38 | 0x7c, 0xc6, 0xc0, 0xfc, 0xc6, 0xc6, 0x7c, 0x00, 0xfe, 0xc6, 0x0c, 0x18, 0x30, 0x30, 0x30, 0x00, 39 | 0x7c, 0xc6, 0xc6, 0x7c, 0xc6, 0xc6, 0x7c, 0x00, 0x7c, 0xc6, 0xc6, 0x7e, 0x06, 0xc6, 0x7c, 0x00, 40 | 0x00, 0x30, 0x00, 0x00, 0x00, 0x30, 0x00, 0x00, 0x00, 0x30, 0x00, 0x00, 0x00, 0x30, 0x10, 0x20, 41 | 0x0c, 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0x00, 120 | 0x00, 0x00, 0x00, 0x00, 0x1f, 0x18, 0x18, 0x18, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 121 | 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 122 | 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 123 | 0x00, 0x00, 0x74, 0xcc, 0xc8, 0xdc, 0x76, 0x00, 0x78, 0xcc, 0xd8, 0xcc, 0xc6, 0xc6, 0xdc, 0x40, 124 | 0xfe, 0x62, 0x60, 0x60, 0x60, 0x60, 0xf0, 0x00, 0x00, 0x02, 0x7e, 0xec, 0x6c, 0x6c, 0x48, 0x00, 125 | 0xfe, 0x62, 0x30, 0x18, 0x30, 0x62, 0xfe, 0x00, 0x00, 0x00, 0x7e, 0xd0, 0xc8, 0xc8, 0x70, 0x00, 126 | 0x00, 0x00, 0xcc, 0xcc, 0xcc, 0xcc, 0xf8, 0x80, 0x00, 0x00, 0x7e, 0xd8, 0x18, 0x18, 0x10, 0x00, 127 | 0x38, 0x10, 0x7c, 0xd6, 0xd6, 0x7c, 0x10, 0x38, 0x7c, 0xc6, 0xc6, 0xfe, 0xc6, 0xc6, 0x7c, 0x00, 128 | 0x7c, 0xc6, 0xc6, 0xc6, 0x6c, 0x28, 0xee, 0x00, 0x3c, 0x22, 0x18, 0x7c, 0xcc, 0xcc, 0x78, 0x00, 129 | 0x00, 0x00, 0x66, 0x99, 0x99, 0x66, 0x00, 0x00, 0x00, 0x06, 0x7c, 0x9e, 0xf2, 0x7c, 0xc0, 0x00, 130 | 0x00, 0x00, 0x7c, 0xc0, 0xf8, 0xc0, 0x7c, 0x00, 0x00, 0x7c, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x00, 131 | 0x00, 0xfe, 0x00, 0xfe, 0x00, 0xfe, 0x00, 0x00, 0x18, 0x18, 0x7e, 0x18, 0x18, 0x00, 0x7e, 0x00, 132 | 0x30, 0x18, 0x0c, 0x18, 0x30, 0x00, 0x7c, 0x00, 0x18, 0x30, 0x60, 0x30, 0x18, 0x00, 0x7c, 0x00, 133 | 0x0e, 0x1b, 0x1b, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0xd8, 0xd8, 0x70, 134 | 0x00, 0x18, 0x00, 0x7e, 0x00, 0x18, 0x00, 0x00, 0x00, 0x76, 0xdc, 0x00, 0x76, 0xdc, 0x00, 0x00, 135 | 0x38, 0x6c, 0x38, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x00, 0x00, 0x00, 136 | 0x00, 0x00, 0x00, 0x00, 0x18, 0x00, 0x00, 0x00, 0x0f, 0x0c, 0x0c, 0x0c, 0xec, 0x6c, 0x3c, 0x00, 137 | 0xd8, 0x6c, 0x6c, 0x6c, 0x00, 0x00, 0x00, 0x00, 0xf0, 0x30, 0xc0, 0xf0, 0x00, 0x00, 0x00, 0x00, 138 | 0x00, 0x00, 0x3c, 0x3c, 0x3c, 0x3c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 139 | 140 | }; 141 | const int font_size = sizeof(font); 142 | //--------------------------------------------------------------------------------- 143 | #endif //_font_h_ 144 | //--------------------------------------------------------------------------------- 145 | -------------------------------------------------------------------------------- /source/hid.c: -------------------------------------------------------------------------------- 1 | #include "hid.h" 2 | #include "i2c.h" 3 | #include "timer.h" 4 | 5 | u32 InputWait() { 6 | static u64 delay = 0; 7 | u32 pad_state_old = HID_STATE; 8 | delay = (delay) ? 72 : 128; 9 | timer_start(); 10 | while (true) { 11 | u32 pad_state = HID_STATE; 12 | if (!(pad_state & BUTTON_ANY)) { // no buttons pressed 13 | u32 special_key = i2cReadRegister(I2C_DEV_MCU, 0x10); 14 | if (special_key == 0x01) 15 | return pad_state | BUTTON_POWER; 16 | else if (special_key == 0x04) 17 | return pad_state | BUTTON_HOME; 18 | pad_state_old = pad_state; 19 | delay = 0; 20 | continue; 21 | } 22 | if ((pad_state == pad_state_old) && 23 | (!(pad_state & BUTTON_ARROW) || 24 | (delay && (timer_msec() < delay)))) 25 | continue; 26 | // make sure the key is pressed 27 | u32 t_pressed = 0; 28 | for(; (t_pressed < 0x13000) && (pad_state == HID_STATE); t_pressed++); 29 | if (t_pressed >= 0x13000) 30 | return pad_state; 31 | } 32 | } 33 | 34 | bool CheckButton(u32 button) { 35 | u32 t_pressed = 0; 36 | for(; (t_pressed < 0x13000) && ((HID_STATE & button) == button); t_pressed++); 37 | return (t_pressed >= 0x13000); 38 | } 39 | -------------------------------------------------------------------------------- /source/hid.h: -------------------------------------------------------------------------------- 1 | #pragma once 2 | 3 | #include "common.h" 4 | 5 | #define HID_STATE (~(*(volatile u32*)0x10146000) & BUTTON_ANY) 6 | 7 | 8 | #define BUTTON_A (1 << 0) 9 | #define BUTTON_B (1 << 1) 10 | #define BUTTON_SELECT (1 << 2) 11 | #define BUTTON_START (1 << 3) 12 | #define BUTTON_RIGHT (1 << 4) 13 | #define BUTTON_LEFT (1 << 5) 14 | #define BUTTON_UP (1 << 6) 15 | #define BUTTON_DOWN (1 << 7) 16 | #define BUTTON_R1 (1 << 8) 17 | #define BUTTON_L1 (1 << 9) 18 | #define BUTTON_X (1 << 10) 19 | #define BUTTON_Y (1 << 11) 20 | #define BUTTON_ANY 0x00000FFF 21 | #define BUTTON_ARROW (BUTTON_RIGHT|BUTTON_LEFT|BUTTON_UP|BUTTON_DOWN) 22 | 23 | // special buttons 24 | #define BUTTON_POWER (1 << 12) 25 | #define BUTTON_HOME (1 << 13) 26 | 27 | u32 InputWait(); 28 | bool CheckButton(u32 button); 29 | -------------------------------------------------------------------------------- /source/i2c.c: -------------------------------------------------------------------------------- 1 | #include "i2c.h" 2 | 3 | //----------------------------------------------------------------------------- 4 | 5 | static const struct { u8 bus_id, reg_addr; } dev_data[] = { 6 | {0, 0x4A}, {0, 0x7A}, {0, 0x78}, 7 | {1, 0x4A}, {1, 0x78}, {1, 0x2C}, 8 | {1, 0x2E}, {1, 0x40}, {1, 0x44}, 9 | {2, 0xD6}, {2, 0xD0}, {2, 0xD2}, 10 | {2, 0xA4}, {2, 0x9A}, {2, 0xA0}, 11 | }; 12 | 13 | inline u8 i2cGetDeviceBusId(u8 device_id) { 14 | return dev_data[device_id].bus_id; 15 | } 16 | 17 | inline u8 i2cGetDeviceRegAddr(u8 device_id) { 18 | return dev_data[device_id].reg_addr; 19 | } 20 | 21 | //----------------------------------------------------------------------------- 22 | 23 | static vu8* reg_data_addrs[] = { 24 | (vu8*)(I2C1_REG_OFF + I2C_REG_DATA), 25 | (vu8*)(I2C2_REG_OFF + I2C_REG_DATA), 26 | (vu8*)(I2C3_REG_OFF + I2C_REG_DATA), 27 | }; 28 | 29 | inline vu8* i2cGetDataReg(u8 bus_id) { 30 | return reg_data_addrs[bus_id]; 31 | } 32 | 33 | //----------------------------------------------------------------------------- 34 | 35 | static vu8* reg_cnt_addrs[] = { 36 | (vu8*)(I2C1_REG_OFF + I2C_REG_CNT), 37 | (vu8*)(I2C2_REG_OFF + I2C_REG_CNT), 38 | (vu8*)(I2C3_REG_OFF + I2C_REG_CNT), 39 | }; 40 | 41 | inline vu8* i2cGetCntReg(u8 bus_id) { 42 | return reg_cnt_addrs[bus_id]; 43 | } 44 | 45 | //----------------------------------------------------------------------------- 46 | 47 | inline void i2cWaitBusy(u8 bus_id) { 48 | while (*i2cGetCntReg(bus_id) & 0x80); 49 | } 50 | 51 | inline bool i2cGetResult(u8 bus_id) { 52 | i2cWaitBusy(bus_id); 53 | return (*i2cGetCntReg(bus_id) >> 4) & 1; 54 | } 55 | 56 | void i2cStop(u8 bus_id, u8 arg0) { 57 | *i2cGetCntReg(bus_id) = (arg0 << 5) | 0xC0; 58 | i2cWaitBusy(bus_id); 59 | *i2cGetCntReg(bus_id) = 0xC5; 60 | } 61 | 62 | //----------------------------------------------------------------------------- 63 | 64 | bool i2cSelectDevice(u8 bus_id, u8 dev_reg) { 65 | i2cWaitBusy(bus_id); 66 | *i2cGetDataReg(bus_id) = dev_reg; 67 | *i2cGetCntReg(bus_id) = 0xC2; 68 | return i2cGetResult(bus_id); 69 | } 70 | 71 | bool i2cSelectRegister(u8 bus_id, u8 reg) { 72 | i2cWaitBusy(bus_id); 73 | *i2cGetDataReg(bus_id) = reg; 74 | *i2cGetCntReg(bus_id) = 0xC0; 75 | return i2cGetResult(bus_id); 76 | } 77 | 78 | //----------------------------------------------------------------------------- 79 | 80 | u8 i2cReadRegister(u8 dev_id, u8 reg) { 81 | u8 bus_id = i2cGetDeviceBusId(dev_id); 82 | u8 dev_addr = i2cGetDeviceRegAddr(dev_id); 83 | 84 | for (size_t i = 0; i < 8; i++) { 85 | if (i2cSelectDevice(bus_id, dev_addr) && i2cSelectRegister(bus_id, reg)) { 86 | if (i2cSelectDevice(bus_id, dev_addr | 1)) { 87 | i2cWaitBusy(bus_id); 88 | i2cStop(bus_id, 1); 89 | i2cWaitBusy(bus_id); 90 | return *i2cGetDataReg(bus_id); 91 | } 92 | } 93 | *i2cGetCntReg(bus_id) = 0xC5; 94 | i2cWaitBusy(bus_id); 95 | } 96 | return 0xff; 97 | } 98 | 99 | bool i2cReadRegisterBuffer(unsigned int dev_id, int reg, u8* buffer, size_t buf_size) { 100 | u8 bus_id = i2cGetDeviceBusId(dev_id); 101 | u8 dev_addr = i2cGetDeviceRegAddr(dev_id); 102 | 103 | size_t j = 0; 104 | while (!i2cSelectDevice(bus_id, dev_addr) 105 | || !i2cSelectRegister(bus_id, reg) 106 | || !i2cSelectDevice(bus_id, dev_addr | 1)) 107 | { 108 | i2cWaitBusy(bus_id); 109 | *i2cGetCntReg(bus_id) = 0xC5; 110 | i2cWaitBusy(bus_id); 111 | if (++j >= 8) 112 | return false; 113 | } 114 | 115 | if (buf_size != 1) { 116 | for (size_t i = 0; i < buf_size - 1; i++) { 117 | i2cWaitBusy(bus_id); 118 | *i2cGetCntReg(bus_id) = 0xF0; 119 | i2cWaitBusy(bus_id); 120 | buffer[i] = *i2cGetDataReg(bus_id); 121 | } 122 | } 123 | 124 | i2cWaitBusy(bus_id); 125 | *i2cGetCntReg(bus_id) = 0xE1; 126 | i2cWaitBusy(bus_id); 127 | buffer[buf_size - 1] = *i2cGetDataReg(bus_id); 128 | return true; 129 | } 130 | 131 | bool i2cWriteRegister(u8 dev_id, u8 reg, u8 data) { 132 | u8 bus_id = i2cGetDeviceBusId(dev_id); 133 | u8 dev_addr = i2cGetDeviceRegAddr(dev_id); 134 | 135 | for (int i = 0; i < 8; i++) { 136 | if (i2cSelectDevice(bus_id, dev_addr) && i2cSelectRegister(bus_id, reg)) { 137 | i2cWaitBusy(bus_id); 138 | *i2cGetDataReg(bus_id) = data; 139 | *i2cGetCntReg(bus_id) = 0xC1; 140 | i2cStop(bus_id, 0); 141 | if (i2cGetResult(bus_id)) 142 | return true; 143 | } 144 | *i2cGetCntReg(bus_id) = 0xC5; 145 | i2cWaitBusy(bus_id); 146 | } 147 | 148 | return false; 149 | } 150 | -------------------------------------------------------------------------------- /source/i2c.h: -------------------------------------------------------------------------------- 1 | #pragma once 2 | 3 | #include "common.h" 4 | 5 | #define I2C1_REG_OFF 0x10161000 6 | #define I2C2_REG_OFF 0x10144000 7 | #define I2C3_REG_OFF 0x10148000 8 | 9 | #define I2C_REG_DATA 0 10 | #define I2C_REG_CNT 1 11 | #define I2C_REG_CNTEX 2 12 | #define I2C_REG_SCL 4 13 | 14 | #define I2C_DEV_MCU 3 15 | #define I2C_DEV_GYRO 10 16 | #define I2C_DEV_IR 13 17 | 18 | u8 i2cGetDeviceBusId(u8 device_id); 19 | u8 i2cGetDeviceRegAddr(u8 device_id); 20 | 21 | vu8* i2cGetDataReg(u8 bus_id); 22 | vu8* i2cGetCntReg(u8 bus_id); 23 | 24 | void i2cWaitBusy(u8 bus_id); 25 | bool i2cGetResult(u8 bus_id); 26 | u8 i2cGetData(u8 bus_id); 27 | void i2cStop(u8 bus_id, u8 arg0); 28 | 29 | bool i2cSelectDevice(u8 bus_id, u8 dev_reg); 30 | bool i2cSelectRegister(u8 bus_id, u8 reg); 31 | 32 | u8 i2cReadRegister(u8 dev_id, u8 reg); 33 | bool i2cWriteRegister(u8 dev_id, u8 reg, u8 data); 34 | 35 | bool i2cReadRegisterBuffer(unsigned int dev_id, int reg, u8* buffer, size_t buf_size); 36 | -------------------------------------------------------------------------------- /source/main.c: -------------------------------------------------------------------------------- 1 | #include "common.h" 2 | #include "draw.h" 3 | #include "hid.h" 4 | #include "i2c.h" 5 | 6 | #define DISPLAY_TEXT "Hello ARM9 Entrypoint!" 7 | #define START_X 10 8 | #define START_Y 10 9 | 10 | 11 | void Reboot() 12 | { 13 | i2cWriteRegister(I2C_DEV_MCU, 0x20, 1 << 2); 14 | while(true); 15 | } 16 | 17 | 18 | void PowerOff() 19 | { 20 | i2cWriteRegister(I2C_DEV_MCU, 0x20, 1 << 0); 21 | while (true); 22 | } 23 | 24 | 25 | int main() 26 | { 27 | char clear_text[64] = { 0 }; 28 | bool use_top = true; 29 | u32 cur_x = START_X; 30 | u32 cur_y = START_Y; 31 | 32 | memset(clear_text, (int) ' ', strnlen(DISPLAY_TEXT, 63)); 33 | 34 | while( true ) { 35 | DrawStringF(cur_x, cur_y, use_top, DISPLAY_TEXT); 36 | u32 pad_state = InputWait(); 37 | u32 increment = 1; 38 | DrawStringF(cur_x, cur_y, use_top, clear_text); 39 | if (pad_state & (BUTTON_B | BUTTON_START)) 40 | break; 41 | if (pad_state & BUTTON_L1) 42 | increment = 10; 43 | if (pad_state & BUTTON_R1) { 44 | cur_x = START_X; 45 | cur_y = START_Y; 46 | use_top = !use_top; 47 | } 48 | if (pad_state & BUTTON_UP) 49 | cur_y = (cur_y >= increment) ? cur_y - increment : 0; 50 | else if (pad_state & BUTTON_LEFT) 51 | cur_x = (cur_x >= increment) ? cur_x - increment : 0; 52 | else if (pad_state & BUTTON_DOWN) 53 | cur_y += increment; 54 | else if (pad_state & BUTTON_RIGHT) 55 | cur_x += increment; 56 | } 57 | 58 | Reboot(); 59 | return 0; 60 | } 61 | -------------------------------------------------------------------------------- /source/start.s: -------------------------------------------------------------------------------- 1 | .section .text.start 2 | .global _start 3 | .align 4 4 | .arm 5 | 6 | @ if the binary is booted from Brahma/CakeHax/k9lh 7 | @ the entrypoint is 8 | @ framebuffers are already set 9 | _start: 10 | nop 11 | nop 12 | nop 13 | nop 14 | nop 15 | nop 16 | nop 17 | nop 18 | nop 19 | nop 20 | nop @ dummy 21 | b _skip_gw 22 | 23 | @ if the binary is booted from the GW exploit 24 | @ the entrypoint is 25 | _start_gw: 26 | 27 | @@wait for the arm11 kernel threads to be ready 28 | mov r1, #0x10000 29 | waitLoop9: 30 | sub r1, #1 31 | cmp r1, #0 32 | bgt waitLoop9 33 | 34 | mov r1, #0x10000 35 | waitLoop92: 36 | sub r1, #1 37 | cmp r1, #0 38 | bgt waitLoop92 39 | 40 | 41 | @ copy the payload to the standard entrypoint (0x23F00000) 42 | adr r0, _start 43 | add r1, r0, #0x100000 44 | ldr r2, .entry 45 | .copy_binary_fcram: 46 | cmp r0, r1 47 | ldrlt r3, [r0], #4 48 | strlt r3, [r2], #4 49 | blt .copy_binary_fcram 50 | 51 | @ setup framebuffers to look like Brahma/etc 52 | 53 | ldr r0, .gw_fba 54 | ldr r1, [r0, #0x18] 55 | and r1, #1 56 | ldr r1, [r0, r1, lsl #2] @ r1 := top framebuffer loc 57 | mov r2, r1 @ r2 := top framebuffer loc 58 | 59 | ldr r0, .gw_fbb 60 | ldr r3, [r0, #0xC] 61 | and r3, #1 62 | ldr r3, [r0, r3, lsl #2] @ r3 := bottom framebuffer loc 63 | 64 | ldr r0, .cakehax 65 | stmia r0, {r1,r2,r3} 66 | @ framebuffers properly set 67 | 68 | ldr r3, .entry 69 | bx r3 70 | 71 | .gw_fba: .word 0x080FFFC0 72 | .gw_fbb: .word 0x080FFFD0 73 | .cakehax: .word 0x23FFFE00 74 | .entry: .word 0x23F00000 75 | 76 | _skip_gw: 77 | @ Disable caches / mpu 78 | mrc p15, 0, r4, c1, c0, 0 @ read control register 79 | bic r4, #(1<<12) @ - instruction cache disable 80 | bic r4, #(1<<2) @ - data cache disable 81 | bic r4, #(1<<0) @ - mpu disable 82 | mcr p15, 0, r4, c1, c0, 0 @ write control register 83 | 84 | @ Clear bss 85 | ldr r0, =__bss_start 86 | ldr r1, =__end__ 87 | mov r2, #0 88 | 89 | .bss_clr: 90 | cmp r0, r1 91 | strlt r2, [r0], #4 92 | blt .bss_clr 93 | 94 | @ Give read/write access to all the memory regions 95 | ldr r5, =0x33333333 96 | mcr p15, 0, r5, c5, c0, 2 @ write data access 97 | mcr p15, 0, r5, c5, c0, 3 @ write instruction access 98 | 99 | @ Sets MPU permissions and cache settings 100 | ldr r0, =0xFFFF001F @ ffff0000 64k | bootrom (unprotected / protected) 101 | ldr r1, =0x3000801B @ 30000000 16k | dtcm 102 | ldr r2, =0x01FF801D @ 01ff8000 32k | itcm 103 | ldr r3, =0x08000029 @ 08000000 2M | arm9 mem (O3DS / N3DS) 104 | ldr r4, =0x10000029 @ 10000000 2M | io mem (ARM9 / first 2MB) 105 | ldr r5, =0x20000037 @ 20000000 256M | fcram (O3DS / N3DS) 106 | ldr r6, =0x1FF00027 @ 1FF00000 1M | dsp / axi wram 107 | ldr r7, =0x1800002D @ 18000000 8M | vram (+ 2MB) 108 | mov r8, #0x2D 109 | mcr p15, 0, r0, c6, c0, 0 110 | mcr p15, 0, r1, c6, c1, 0 111 | mcr p15, 0, r2, c6, c2, 0 112 | mcr p15, 0, r3, c6, c3, 0 113 | mcr p15, 0, r4, c6, c4, 0 114 | mcr p15, 0, r5, c6, c5, 0 115 | mcr p15, 0, r6, c6, c6, 0 116 | mcr p15, 0, r7, c6, c7, 0 117 | mcr p15, 0, r8, c3, c0, 0 @ Write bufferable 0, 2, 5 118 | mcr p15, 0, r8, c2, c0, 0 @ Data cacheable 0, 2, 5 119 | mcr p15, 0, r8, c2, c0, 1 @ Inst cacheable 0, 2, 5 120 | 121 | @ Enable dctm 122 | ldr r1, =0x3000800A @ set dtcm 123 | mcr p15, 0, r1, c9, c1, 0 @ set the dtcm Region Register 124 | 125 | @ Enable caches 126 | mrc p15, 0, r4, c1, c0, 0 @ read control register 127 | orr r4, r4, #(1<<18) @ - itcm enable 128 | orr r4, r4, #(1<<16) @ - dtcm enable 129 | orr r4, r4, #(1<<12) @ - instruction cache enable 130 | orr r4, r4, #(1<<2) @ - data cache enable 131 | orr r4, r4, #(1<<0) @ - mpu enable 132 | mcr p15, 0, r4, c1, c0, 0 @ write control register 133 | 134 | @ Flush caches 135 | mov r5, #0 136 | mcr p15, 0, r5, c7, c5, 0 @ flush I-cache 137 | mcr p15, 0, r5, c7, c6, 0 @ flush D-cache 138 | mcr p15, 0, r5, c7, c10, 4 @ drain write buffer 139 | 140 | @ Fixes mounting of SDMC 141 | ldr r0, =0x10000020 142 | mov r1, #0x340 143 | str r1, [r0] 144 | 145 | mov sp, #0x27000000 146 | 147 | blx main 148 | b _start 149 | 150 | .pool 151 | -------------------------------------------------------------------------------- /source/timer.c: -------------------------------------------------------------------------------- 1 | #include "timer.h" 2 | 3 | void timer_start( void ) { 4 | // reset / deactivate timers 5 | *TIMER_CNT0 = 0; 6 | *TIMER_CNT1 = *TIMER_CNT2 = *TIMER_CNT3 = TIMER_COUNT_UP; 7 | *TIMER_VAL0 = *TIMER_VAL1 = *TIMER_VAL2 = *TIMER_VAL3 = 0; 8 | 9 | // start timers 10 | *TIMER_CNT0 = TIMER_ACTIVE; 11 | *TIMER_CNT1 = *TIMER_CNT2 = *TIMER_CNT3 = TIMER_ACTIVE | TIMER_COUNT_UP; 12 | } 13 | 14 | void timer_stop( void ) { 15 | *TIMER_CNT0 &= ~TIMER_ACTIVE; 16 | *TIMER_CNT1 &= ~TIMER_ACTIVE; 17 | *TIMER_CNT2 &= ~TIMER_ACTIVE; 18 | *TIMER_CNT3 &= ~TIMER_ACTIVE; 19 | } 20 | 21 | u64 timer_ticks( void ) { 22 | u64 ticks = 0; 23 | ticks |= (u64) *TIMER_VAL0 << 0; 24 | ticks |= (u64) *TIMER_VAL1 << 16; 25 | ticks |= (u64) *TIMER_VAL2 << 32; 26 | ticks |= (u64) *TIMER_VAL3 << 48; 27 | return ticks; 28 | } 29 | 30 | u64 timer_msec( void ) { 31 | return (timer_ticks() * 1000) / TICKS_PER_SEC; 32 | } 33 | 34 | u64 timer_sec( void ) { 35 | return timer_ticks() / TICKS_PER_SEC; 36 | } 37 | -------------------------------------------------------------------------------- /source/timer.h: -------------------------------------------------------------------------------- 1 | #pragma once 2 | 3 | #include "common.h" 4 | 5 | // see: https://www.3dbrew.org/wiki/TIMER_Registers 6 | #define TIMER_VAL0 ((vu16*)0x10003000) 7 | #define TIMER_VAL1 ((vu16*)0x10003004) 8 | #define TIMER_VAL2 ((vu16*)0x10003008) 9 | #define TIMER_VAL3 ((vu16*)0x1000300C) 10 | #define TIMER_CNT0 ((vu16*)0x10003002) 11 | #define TIMER_CNT1 ((vu16*)0x10003006) 12 | #define TIMER_CNT2 ((vu16*)0x1000300A) 13 | #define TIMER_CNT3 ((vu16*)0x1000300E) 14 | 15 | #define TIMER_COUNT_UP 0x0004 16 | #define TIMER_ACTIVE 0x0080 17 | #define TICKS_PER_SEC 67027964ULL 18 | 19 | void timer_start( void ); 20 | void timer_stop( void ); 21 | u64 timer_ticks( void ); 22 | u64 timer_msec( void ); 23 | u64 timer_sec( void ); 24 | --------------------------------------------------------------------------------