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Languages: Difference between revisions
→But I heard of an OS written in language XYZ, isn't it interpreted?
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* The system ran on specialized hardware and microcode, which acted as hardwired 'interpreter' for it's primary language, or for the portable bytecode which it normally used. This type of system includes the SOAR (Smalltalk On A RISC), the Recursiv System, The Lillith Modula-2 System, and the Burroughs 6500 (a mainframe designed for running Algol-60 in the 1960s). The system programming techniques for these cannot work on stock hardware. For example:
** The '''[http://en.wikipedia.org/wiki/MIT_CADR MIT CADR] Lisp machine architecture''' had an extensive instruction set with hardware support for certain high-level operations such as type-tag checking and GC. It had a [http://en.wikipedia.org/wiki/Tagged_architecture tagged architecture] meaning that a portion of the 36-bit addressing word was designated for type information. Typically these machines had a variety of compilers including one for the system language Lisp which was capable of taking advantage of the additional instruction set.
** The '''Rekursiv Single-Board Computer''' had hardware support for a writable instruction set (that is, you could dynamically add microcode instructions) and associative memory dispatch tables for supporting object-oriented [
[[Category:Languages]]
[[Category:OS Development]]
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