Changes

* '''Backward compatibility''' with the classic PCW is maintained in the software.

* PCW Plus is currently supported by the '''ZEsarUX''' and '''CP/M Box''' emulators and by numerous FPGA board cores thanks to Steddyman; Rampa; Albconde and ManuTeira ('''Mister'''; '''SIDI'''; '''Poseidon'''; '''Calypso'''; '''NeptUNO+''' ; '''Mist''' ), and by '''Czarnikjak's color add-on''' board for real PCWclassic using RaspberryPico.