052   SpecTape       Speccy tape file (Carten Witt)
053   SpecSnap       Speccy snapshot file (Carten Witt)
054   SpecCart  .mdr Standard Spectrum microdrive file

11D R TAP       .tap Spectrum tapefile, !Tapes, !Z80Em 1-bit sound for
                     emulators (Warm Silence Software, info@wss.co.uk) [.tap]

700   SpecROM   .rom Spectrum ROM image [.rom]
701   SpecTape  .sta Speculator tape file [.sta] (cf &11D [.tap])
702   SpecSnap  .ssn Speculator memory snapshot [.ssn]
703                    Speculatr                       

BA0 R Z80       .z80 !Z80Em ZX Spectrum emulator snapshot (Mike Borcherds
                     <mrb@borcherds.demon.co.uk>) [.z80]
BA1 R SNA       .sna !Z80Em ZX Spectrum emulator snapshot (Mike Borcherds
                     <borchrds.teaching@ph.ox.ac.uk>) [.sna]