Patent ID: 6147696
Filing Date: 2000-11-14
Classification: A63F,H04N

Abstract:
A data processing system comprising:a videographics processing system having a program executing processor and a picture processing unit,a memory system coupled to said videographics processing system, and including at least one program memory, said program executing processor having a predetermined address space for executing programs stored in said at least one program memory,said memory system including:a main program memory,a plurality of address mapping registers, the contents of which determine a configuration and mode of operation of the memory system depending on which of a plurality of different programs is to be executed by the program executing processor, andmemory control circuitry, coupled to said plurality of address mapping registers, reconfiguring the memory system including controlling the location of said main program memory in the address space of said program executing processor depending on the contents of said plurality of address mapping registers.