B-em: A Freeware BBC Micro Emulator Emulating Acorn BBC-A, BBC-B and the BBC Master series including disc drives, tape and the tube! Tube processors supported: 6502 65816 6809 80186 ARM1 (!) Z80 PDP11 ROMS, fonts, tapes and example discs are provided. Originally the homepage was https://github.com/stardot/b-em, its currently on github at https://github.com/stardot/b-em