Event slot identifier. Multiple callbacks can be registered in different slots (0-3). All system events are delivered to all slots in order.Possible values:
This function should be called regularly (typically in the main loop) to process system events. When an event occurs, the registered callback functions are invoked.
#include <sysutil/sysutil.h>#include <stdio.h>// Event callback functionvoid eventCallback(u64 status, u64 param, void *usrdata) { switch(status) { case SYSUTIL_EXIT_GAME: printf("Exit game requested\n"); // Set flag to exit main loop *(int*)usrdata = 1; break; case SYSUTIL_MENU_OPEN: printf("XMB menu opened\n"); break; case SYSUTIL_MENU_CLOSE: printf("XMB menu closed\n"); break; }}int main() { int exitFlag = 0; s32 lang; char nickname[SYSUTIL_SYSTEMPARAM_NICKNAME_SIZE]; // Register callback for system events sysUtilRegisterCallback(SYSUTIL_EVENT_SLOT0, eventCallback, &exitFlag); // Get system language if(sysUtilGetSystemParamInt(SYSUTIL_SYSTEMPARAM_ID_LANG, &lang) == SYSUTIL_OK) { printf("System language: %d\n", lang); } // Get user nickname if(sysUtilGetSystemParamString(SYSUTIL_SYSTEMPARAM_ID_NICKNAME, nickname, SYSUTIL_SYSTEMPARAM_NICKNAME_SIZE) == SYSUTIL_OK) { printf("User nickname: %s\n", nickname); } // Main loop while(!exitFlag) { // Check for system events sysUtilCheckCallback(); // Your game logic here... } // Cleanup sysUtilUnregisterCallback(SYSUTIL_EVENT_SLOT0); return 0;}