hello world for psp

#include <pspkernel.h>
#include <pspdebug.h>

//这是1.5核心的hello world
PSP_MODULE_INFO("hello world!",0,1,1);

//将打印信息输出到屏幕上
#define printf pspDebugScreenPrintf

/* exit callback */
//退出回调,就是按home键的操作
int exit_callback(int arg1,int arg2,void *common)
{
    sceKernelExitGame();
    return 0;
}

/* callback thread */
int CallbackThread(SceSize args,void *argp)
{
    int cbid;

    cbid = sceKernelCreateCallback("Exit Callback",exit_callback,NULL);
    sceKernelRegisterExitCallback(cbid);

    sceKernelSleepThreadCB();

    return 0;
}

//创建主线程
/* Sets up the callback thread and returns its thread id */
int SetupCallbacks(void)
{
    int thid = 0;

    thid = sceKernelCreateThread("update_thread",CallbackThread,0x11,0xFA0,0,0);
    if(thid >=0)
    {
    sceKernelStartThread(thid,0,0);
    }

    return thid;
}

//自己定义一个函数
int myfunc()
{
    printf("houhou from myfunc/n");

    return 0;
}

//主函数
int main()
{
    pspDebugScreenInit();
    SetupCallbacks();

    myfunc();

    sceKernelSleepThread();

    return 0;
}