ECS - sprites, 302 , 303 ECS Registers, 298 Enhanced Chip Set, --> Examples, 9 Expansion Boards, 7 Expansion Bus, 383 Expansion Connector, 7 , 385 External interrupts, 219 FAST, 249 Fast Memory, 5 Fat Agnus, 5 , 187 Field time, 40 Floppy Disk, 4 , 241 , see disk Frame Buffer, 6 Frequency Modulation, 4 Game Controller Port, 327 GAUD, 89 GCR, 250 Genlock, --> HAM, 86 Hardware Connection, --> HBSTOP, 298 HBSTRT, 298 HCENTER, 298 High resolution, --> HIRES, 87 Hold-And-Modify, 3 , 86 HOMOD, 87 , 90 Horizontal blanking interval, 23 , 304 HSSTOP, 298 HSSTRT, 298 HSTART, 59 , 91 , 107 , 107 , 113 HSTOP, 59 , 78 , 91 HTOTAL, 298 , 304