P-code
<language >
The intermediate language produced by the Pascal-P compiler. P-code is the assembly language for a hypothetical stack machine, the P-machine, said to imitate the instruction set of the Burroughs 6700. The term was first used in the Wirth reference below. Byte articles on writing a Pascal Compiler in Northstar BASIC (ca Aug 1978) also used the term. P-code was initially the intermediate code generated by the P2 compiler from ETH Zurich. P-code was later used as the intermediate language in the UCSD Pascal System, and in its two main derivatives, Apple Pascal and the UCSD P-system. Variants: P2 P-code, P4 P-code, UCSD P-code, LASL P-code. [Algorithms + Data Structures = Programs, N. Wirth, P-H 1976]. ["A Comparison of PASCAL Intermediate Languages", P.A. Nelson, SIGPLAN Notices 14(8):208-213, Aug 1979].
Last updated: 2004年11月08日
Nearby terms:
PCMCIA ♦ PCMIA ♦ PCN ♦ PC-NFS ♦ P-code ♦ PC Pursuit ♦ PC-RT ♦ PCS ♦ PC-Scheme
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