#import "AppController.h" char *myASMfunc() { __asm{ mov eax,1234h } return } @implementation AppController - (IBAction)copyToClipboard:(id)sender { } - (IBAction)exit:(id)sender { } - (IBAction)generateSerial:(id)sender { char *result = myASMfunc() [serialEdit setStringValue:[NSString stringWithCString:result]]; } - (IBAction)openAboutWindow:(id)sender { } @end