Changes

Vortex implemented their own version of CP/M for the CPC, this page describes thatand also provided patches for Amstrad's CP/M to use their memory expansion. They didn == Vortex't s patch for CP/M 2.2 to use Vortex RAM Expansion == Vortex provided a disc with a PATCH.COM on it which patched Amstrad's versionCP/M 2.2, which came with the CPC664 so it could use their RAM expansion to get 63KB TPA.