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  1. programming - What exactly is/was threaded p-code?

    May 1, 2022 · P-code is just an intermediate language. QuickBASIC and Pascal compiled (like C) into P-code, and then at runtime, an a P-code interpreter interpreted (like BASIC). This was more efficient …

  2. ms dos - How can I reverse-engineer the game Wizardry (1981) for PC ...

    Feb 10, 2024 · It appears that the game is compiled in p-code rather than x86 assembly, which complicates reverse engineering efforts due to the platform's relative obscurity.

  3. Why is the following p-Code generated by the Apple 3 pascal compiler ...

    In p-code functions always have (at least) two (16 bit) parameters even if there is none defined in source. Any defined ones come in addition. So RANDU has one source level parameter, but three …

  4. Is there a mistake in the code sample in “Programming the Z80 ...

    Nov 15, 2024 · Programming the Z80 (3rd edition) has the following code sample (section 3 p.135) for division of a 16-bit dividend by an 8-bit divisor returning an 8-bit quotient in L and an 8 bit remainder …

  5. history - How was it possible to run IBM mainframe software in ...

    Nov 25, 2020 · As needed, the code could be compiled to binary for specific machines, but, like Java, the P-Code was portable as is as long as the runtime was installed. In our case the P-Code was …

  6. Identify version of UCSD P-System disks?

    Mar 21, 2021 · The segment dictionary of the code file has an entry that describes the version. See e.g. the Pascal Internal Architecture Guide, p. 28. I once wrote an UCSD Pascal program that …

  7. New 6502 BASICs? - Retrocomputing Stack Exchange

    May 31, 2018 · FastBasic is an example, it's a p-code system instead of a "pure" interpreter and thus offers dramatic performance improvements.I think that's fascinating on it's own, but it still manages to …

  8. BASIC-PLUS inline operators, do they actually make sense?

    May 14, 2018 · To clarify for @MauryMarkowitz. We distinguish between p-code and tokenization. P-code is "just like" machine code, it's just machine code for an ideal, pseudo machine rather than a …

  9. What is this programming language having PROC, DCL, LABEL keywords?

    May 11, 2020 · That's actual code as far as I recall, not pseudocode. PL/I had abbreviations for keywords; "DCL" is "DECLARE". It starts off by defining a procedure (routine) named P with one …

  10. software - Home-computers of early 80's, capable of saving Basic ...

    Mar 30, 2022 · Could many/most home-computers of early 80's, have been capable of saving BASIC-Language-Programs to cassette/disk, as machine-code, or possibly even as assembly-code, with a …