* '''Blasteroids.cdt''': black screen green border.
* '''Blood Valley.cdt''': welcome screen, "Read error b"
* '''Bomb Jack 2.cdt''': welcome picture not load completlycompletely, freeze
* '''Boom.cdt''': load until block 16, then freeze
* '''Booty.cdt''': second welcome screen then freeze. message with Counter OK
* '''Extreme''': black screen blue border
* '''Eye Spy''': black screen blue border, message "LOADING: Please Wait"
'''Exolon''' has a counter down, that show when it does overrun (a few)
Fantasia Diamond (txt), Federation (txt), Feliz Navidad, '''Fernandez Must Die''', Ferry Captain, Fifth Quadrant, '''Feud''' (OK on r005.8.16.8.2c13), Fighter Pilot, Finders Keepers, Fire Ant, Firescape (txt), First Steps With The Mr Men, Flash, Flight Path 737, Flight Simulation, Fluglehrer, Flunky, Fly, Fly Spy, * '''F-1''': glitch* '''F15 Strike Eagle''': black screen blue border* '''F16 Combat Pilot''': black screen blue border* '''F16 Fighting Falcon''': light gun game* '''F1 Tornado Simulator''': reboot* '''FA Cup Football''': Rewind tape* '''Fairlight 1 A Prelude''': Rewind tape* '''Fast Food Dizzy''': black screen* '''Fernando Martin Basket Master''': glitch, reboot* '''Fiendish Freddy s Big Top O Fun''': black screen green border* * on r005.8.16.8.2c13* '''Fighter Bomber''': black screen pink border* '''Fighter Soccer''': black screen blue border* '''Fire and Forget 1''': Rewind tape* '''Firelord''': welcome image, a long load, and nothing.* '''Firezone''': use right part of keyboard* '''First Past The Post''': green screen pink border* '''Five a Side Football''': Searching 00* '''Flash Gordon''': Read error b* '''Flying Shark''': Searching 00, strange id60 (end of tape) ** '''Breaking Baud.cdt''': last part "pink floral" heart is missing.
===On ZX-Uno FPGAmstrad version===