mirror of
https://github.com/coderkei/akmenu-next.git
synced 2025-06-19 09:25:33 -04:00
95ff08bdc6
At the moment it will just do nothing and go back to menu; instead print a hopefully helpful text that the file is missing.
104 lines
2.9 KiB
C++
104 lines
2.9 KiB
C++
/*
|
|
AcekardLauncher.cpp
|
|
Copyright (C) 2007 Acekard, www.acekard.com
|
|
Copyright (C) 2007-2009 somebody
|
|
Copyright (C) 2009 yellow wood goblin
|
|
Copyright (C) 2024 lifehackerhansol
|
|
|
|
SPDX-License-Identifier: GPL-3.0-or-later
|
|
*/
|
|
|
|
#include <climits>
|
|
#include <cstring>
|
|
#include <string>
|
|
|
|
#include <nds.h>
|
|
|
|
#include "../../../share/fifotool.h"
|
|
#include "../ui/progresswnd.h"
|
|
#include "AcekardLauncher.h"
|
|
#include "dbgtool.h"
|
|
|
|
// 256 UCS-2 characters encoded into UTF-8 can use up to 768 UTF-8 chars
|
|
#define MAX_FILENAME_LENGTH 768
|
|
|
|
static void resetAndLoop() {
|
|
DC_FlushAll();
|
|
DC_InvalidateAll();
|
|
|
|
fifoSendValue32(FIFO_USER_01, MENU_MSG_ARM7_REBOOT);
|
|
*((vu32*)0x02FFFE04) = 0;
|
|
|
|
// Interrupt
|
|
REG_IME = 0;
|
|
REG_IE = 0;
|
|
REG_IF = ~0;
|
|
|
|
// wait for arm7
|
|
while (*((vu32*)0x02FFFE04) == 0)
|
|
;
|
|
swiSoftReset();
|
|
}
|
|
|
|
bool AcekardLauncher::launchRom(std::string romPath, std::string savePath, u32 flags,
|
|
u32 cheatOffset, u32 cheatSize) {
|
|
tNDSHeader header;
|
|
|
|
dbg_printf("load %s\n", romPath.c_str());
|
|
|
|
if (access("fat:/__rpg/akloader.nds", F_OK) != 0) {
|
|
printLoaderNotFound("fat:/__rpg/akloader.nds");
|
|
return false;
|
|
}
|
|
|
|
// akloaders are very old and expect the old-style libfat mount points
|
|
romPath.replace(0, 3, "fat0");
|
|
savePath.replace(0, 3, "fat0");
|
|
|
|
#ifdef __AKLOADER_AK2__
|
|
// Create TTMENU.SYS if it don't exist
|
|
if (access("fat:/__rpg/system.sys", F_OK) != 0) {
|
|
progressWnd().setTipText("Generating SYSTEM.SYS...");
|
|
progressWnd().show();
|
|
progressWnd().setPercent(0);
|
|
FILE* TTSYSFile = fopen("fat:/__rpg/system.sys", "wb");
|
|
fseek(TTSYSFile, 0, SEEK_SET);
|
|
// memdump. Actually just expanding the file seems to crash, but this works totally fine...
|
|
fwrite((void*)0x02400000, 1, 0x400000, TTSYSFile);
|
|
fflush(TTSYSFile);
|
|
fclose(TTSYSFile);
|
|
progressWnd().setPercent(100);
|
|
progressWnd().hide();
|
|
}
|
|
#endif
|
|
|
|
FILE* loader = fopen("fat:/__rpg/akloader.nds", "rb");
|
|
if (loader == NULL) return false;
|
|
|
|
fseek(loader, 0, SEEK_SET);
|
|
fread(&header, sizeof(header), 1, loader);
|
|
|
|
// copy loader's arm7 code
|
|
fseek(loader, header.arm7romOffset, SEEK_SET);
|
|
fread(header.arm7destination, 4, header.arm7binarySize >> 2, loader);
|
|
__NDSHeader->arm7executeAddress = header.arm7executeAddress;
|
|
|
|
// copy loader's arm9 code
|
|
fseek(loader, header.arm9romOffset, SEEK_SET);
|
|
fread(header.arm9destination, 4, header.arm9binarySize >> 2, loader);
|
|
__NDSHeader->arm9executeAddress = header.arm9executeAddress;
|
|
fclose(loader);
|
|
|
|
*(u32*)0x23fd900 = flags;
|
|
*(u32*)0x23fd904 = cheatOffset;
|
|
*(u32*)0x23fd908 = cheatSize;
|
|
memset((void*)0x23fda00, 0, MAX_FILENAME_LENGTH * 2);
|
|
strcpy((char*)0x23fda00, romPath.c_str());
|
|
strcpy((char*)(0x23fda00 + MAX_FILENAME_LENGTH), savePath.c_str());
|
|
|
|
dbg_printf("load done\n");
|
|
|
|
resetAndLoop();
|
|
return true;
|
|
}
|