nfl2ooo/timestalkers

got NFL2000 IT BOOTS UP FINE THEN GOES TO A BLANK SCREEN,,,,you can hear music and press buttons on the joypad which will get you into the game but you can't see it,,,,is there somthing i'm doing wrong

timestalkers boots and then plays music and screen rolls do i need a patch,,,,,i'm using scart lead plus a tv that will display ntsc,,,,,,,,,,Cheers