METHOD OF RECORDING AND/OR REPRODUCING DATA ON AND/OR FROM INFORMATION RECORDING MEDIUM AND COMPUTER-READABLE RECORDING MEDIUM STORING PROGRAM FOR EXECUTING THE METHOD

摘要

A method of recording and/or reproducing data on and/or from an information recording medium comprising a compatibility information area in which compatibility information, which specifies whether each area on the information recording medium is recordable and/or reproducible, is recorded. The said method further comprising reading the compatibility information, which specifies whether each area on the information recording medium is recordable and/or reproducible and recording and/or reproducing the data on and/or from the information recording medium with reference to the compatibility information, wherein if other write protection means to the information recording medium exist, write protection of the information recording medium is determined based on a result of performing an OR function on the compatibility information and the other write protection means.