| 摘要 |
According to a first aspect of the present invention there is provided a method of performing emulation of at least part of a program using an emulated computer system implemented on a computer system. The method comprises includes, during execution of the program within the emulated computer system, when the program attempts to access a unit of data, copying the unit of data from a memory of the computer system into an emulated memory, and allowing the program to access the unit of data within emulated computer system. A unit of data may be a memory page.
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