Mine

/*
 * SCEIOASSIGN
 * -----------------------------------------------------------------------
 * 
 *
 */
#include <pspkernel.h>
#include <pspdebug.h>
#include <pspidstorage.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "blit.h"

PSP_MODULE_INFO("IOASSIGN", 0x1000, 1, 1);
PSP_MAIN_THREAD_ATTR(0);


/* Simple thread */
int mainthread(SceSize args, void *argp)
{

	sceKernelDelayThread(3000000);

	blit_setup();

//        sceKernelDelayThread(6*1000*1000);

/*	while(!sceKernelFindModuleByName("sceUSB_Stor_Boot_Driver"))//("scePaf_Module"))
	{
		sceKernelDelayThreadCB(10000);
	}
*/


sceIoUnassign("ms0:");
sceIoUnassign("fatms0:");
sceIoUnassign("msstor0p1:");
sceIoAssign("ms0:", "host0:", NULL, IOASSIGN_RDWR, NULL, 0);
sceIoAssign("fatms0:", "host0:", NULL, IOASSIGN_RDWR, NULL, 0); 
sceIoAssign("msstor0p1:", "host0:", NULL, IOASSIGN_RDWR, NULL, 0); 

	while(1)
	{

	blit_string(390, 260, "press start");
	sceDisplayWaitVblankStart();
	}

	sceKernelSleepThread();


  return 0;

}

/* Entry point */
int module_start(SceSize args, void *argp)
{
	int thid;
	/* Create a high priority thread */
	thid = sceKernelCreateThread("Assign", mainthread,  0x18, 0x1000, 0, NULL);
	if(thid >= 0)
	{
		sceKernelStartThread(thid, args, argp);
	}


  /*//*/


 return 0;
}


/* Module stop entry */
int module_stop(SceSize args, void *argp)
{
sceIoUnassign("ms0:"); 
    return 0;
}