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//////////////////////////////////////////////////////////////////////
//
// reload.h -- Provides an ability to return to the main menu when used
// with darkains loader or compatible system.
//
// Contributed by Darkain
//
// version 0.1, June 5, 2005
//
// Copyright (C) 2005 Michael Noland (joat) and Jason Rogers (dovoto)
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any
// damages arising from the use of this software.
//
// Permission is granted to anyone to use this software for any
// purpose, including commercial applications, and to alter it and
// redistribute it freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you
// must not claim that you wrote the original software. If you use
// this software in a product, an acknowledgment in the product
// documentation would be appreciated but is not required.
// 2. Altered source versions must be plainly marked as such, and
// must not be misrepresented as being the original software.
// 3. This notice may not be removed or altered from any source
// distribution.
//
// Changelog:
// 0.1: First version
//
//////////////////////////////////////////////////////////////////////
#ifndef _NDS_LOAD_H_
#define _NDS_LOAD_H_
typedef void __attribute__ ((long_call)) (*COPYFUNC)(const char*);
typedef u32 __attribute__ ((long_call)) (*QUERYFUNC)(u32);
typedef struct {
u32 VERSION; // contains version information about loader
QUERYFUNC QUERY; // used to retreive extended information from loader
COPYFUNC ARM7FUNC; // a pointer to the ARM7 load function
COPYFUNC ARM9FUNC; // a pointer to the ARM9 load function
const char *PATH; // THIS VALUE IS SET FOR YOU, DONT TOUCH IT
u32 RESERVED; // reserved for future expansion
} LOADER_DATA;
#define LOADNDS ((volatile LOADER_DATA*)(0x02800000-48))
#define BOOT_NDS ((const char*)-1)
/*
dump this near the begining of your ARM7's main function
LOADNDS->PATH = 0;
inside of your ARM7's main loop or VBlank IRQ or what-ever, add this code:
if (LOADNDS->PATH != 0) {
LOADNDS->ARM7FUNC(LOADNDS->PATH);
}
//////////////////////////////////////
in your ARM9 code, to return to the menu, call this function:
WAIT_CR &= ~0x8080;
LOADNDS->ARM9FUNC(BOOT_NDS);
*/
#endif //_NDS_LOAD_H_
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