Apologies if this is in the wrong forum. I have recently switched to an iMac OS X 10.7.2 from a PC. On the PC I used BeebEm to emulate the BBC Micro with good results. I am having difficulty finding a BBC Micro emulator for the BBC to play games etc. Horizon seems to be one option http://bannister.org/software/horizon.htm but I don't understand the comment Horizon cannot run without a copy of the original BBC Model B ROM. This is copyrighted software and thus not included with the emulator. Do not ask me to send you a copy of this file Many thanks in advance for your help would running a BBC emulator in the MAC via a PC emulator work??