Code implementation for shutting down an app

# Define iop_base 0xb1600000 // 0x56000000
Typedef struct {
Unsigned int rgpacon; // 00
Unsigned int rgpadat;
Unsigned int rpad1 [2];

Unsigned int rgpbcon; // 10
Unsigned int rgpbdat;
Unsigned int rgpbup;
Unsigned int rpad2;

Unsigned int rgpccon; // 20
Unsigned int rgpcdat;
Unsigned int rgpcup;
Unsigned int rpad3;

Unsigned int rgpdcon; // 30
Unsigned int rgpddat;
Unsigned int rgpdup;
Unsigned int rpad4;

Unsigned int rgpecon; // 40
Unsigned int rgpedat;
Unsigned int rgpeup;
Unsigned int rpad5;

Unsigned int rgpfcon; // 50
Unsigned int rgpfdat;
Unsigned int rgpfup;
Unsigned int rpad6;

Unsigned int rgpgcon; // 60
Unsigned int rgpgdat;
Unsigned int rgpgup;
Unsigned int rpad7;

Unsigned int rgphcon; // 70
Unsigned int rgphdat;
Unsigned int rgphup;
Unsigned int rpad8;
} Iopreg;
Volatile iopreg * g_piopregs = NULL;

Extern "C" _ declspec (dllimport) bool virtualcopy (lpvoid lpvdest, lpvoid lpvsrc,
DWORD cbsize, DWORD fdwprotect );
Void cstartdlg: onbutton1 ()
{

G_piopregs = (volatile iopreg *) virtualalloc (0, sizeof (iopreg), mem_reserve, page_noaccess );
If (g_piopregs = NULL)
{
Debugmsg (1, (text ("g_piopregs is not allocated/n/R ")));
// Return false;
}
If (! Virtualcopy (pvoid) g_piopregs, (pvoid) iop_base, sizeof (iopreg), page_readwrite | page_nocache ))
{
Debugmsg (1, (text ("g_piopregs is not mapped/n/R ")));
// Return false;
}

G_piopregs-> rgpccon & = ~ (0x3 <14) | (0x3 <12 );
G_piopregs-> rgpccon | = (0x1 <14) | (0x1 <12 );
G_piopregs-> rgpcup | = (0x1 <7) | (0x1 <6 );
G_piopregs-> rgpcdat | = (0x1 <7) | (0x1 <6 );

G_piopregs-> rgpbcon & = ~ (0x3 );
G_piopregs-> rgpbcon | = 0x1;
G_piopregs-> rgpbdat & = ~ (0x1 );
G_piopregs-> rgpbup | = 0x1;

G_piopregs-> rgpbcon & = ~ (0x3 <8 );
G_piopregs-> rgpbcon | = (0x1 <8 );
G_piopregs-> rgpbup | = (0x1 <4 );
G_piopregs-> rgpbdat & = ~ (0x1 <4 );

 
G_piopregs-> rgpgdat & = ~ (1 <3 );
G_piopregs-> rgpgup | = (0x1 <3 );
G_piopregs-> rgpgcon & = ~ (0x3 <6 );
G_piopregs-> rgpgcon | = (0x1 <6 );

G_piopregs-> rgpadat & = ~ (1 <13 );
G_piopregs-> rgpacon & = ~ (1 <13 );
}