Tags: Programming Language.
In computing in the Alpha instruction set architecture PALcode (Privileged Architecture Library code) is the name used by DEC for a set of functions in the SRM or AlphaBIOS firmware providing a hardware abstraction layer for system software covering features such as cache management translation lookaside buffer (TLB) miss handling interrupt handling and exception handling.PALcode is Alpha machine code running in a special mode that also allows access to internal registers specific to the particular Alpha processor implementation.