MCP xxx.ROM CCCP xxx.ROM The MCP and CCCP roms are for the Torch z80 card. The MCP rom goes in the Beeb and the CCCP on the Torch card. MCP n.nn xxL is for Model Bs with 8271, n.nnW is for the 1770. ABM is for the Master. The Torch card is started with *MCP and CP/N is loaded from the CCCP rom, avoiding the need to boot from disc as with the Acorn z80.