Changes

* Z80 The whole computer runs with 6 MHz* 50% faster. Z80, Bus runs , RAM, CRTC run with 6 MHz, GateArray with 24MHz, Soundchip with 1.5MHz* FDC is 50% faster* , Disc formats with 50% more sectors can be usedafter adjusting the DOS paramaters* Sound that is programmed specifically for a 6MHz CPC can be sound better, since the PSG runs more quicklythan on a 4MHz CPC* Games can run more fluid