-ultima_i_boot.nib -ultima_i_player.nib sst nibble images of a protected ultima i (california pacific). -ultima_i_boot.dsk -ultima_i_player.dsk the dsk images are cracks made with advanced demuffin. the original data structure is preserved. modified only to allow it work in unprotected 16-sector format (diversi-dos). the player disk copy utility works.