Questions tagged [pascal]
For questions regarding the use or installation of the Pascal language on retrocomputers.
31 questions
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What problems did Knuth have because TeX and WEB were Pascal instead of C?
In the paper Bibliography Prettyprinting and Syntax Checking, by Nelson H. F. Beebe, there is this rather interesting mention:
C does not have Pascal’s problems with character strings and dynamic ...
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Looking for Pascal Source for APL Interpreter
There exists an APL interpreter written in CDC Pascal, which source was published in The BYTE Book of Pascal. Multiple scanned copies of the book in PDF form can be found online, some pretending to ...
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Was there ever a C compiler written in Pascal?
When C was gaining popularity across various computer architectures and it was being ported to those architectures, was it always done via cross-compiling, or was there a known case of a C compiler ...
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Reading a key in MSX without blocking?
Turbo Pascal 3.3 for MSX apparently didn't didn't have graphics, sound or other useful functions to write games, however it allows inline machine code to be injected by using the reserved word "...
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How can I use GSX in Turbo Pascal for CP/M-80?
Several versions of CP/M Plus came with a device-independent graphics library called GSX.
It would be fairly easy to call this from Turbo Pascal: the CP/M-80 version of TP3 includes a function Bdos.
I ...
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Enumerated types in Pascal: which compilers did I/O of them?
As far as can be seen in ISO 7185:1990, §6.9.1, page 60
read(f,vi,...,v„) shall access the textfile and establish a reference to that textfile for the remaining execution of the statement; each of vi,...
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How can I reverse-engineer the game Wizardry (1981) for PC, based on UCSD Pascal?
I am looking at the files included with the 1981 game Wizardry. The particular version I have is from a 1998 re-release, but I do not know if the binary is still the original 1981 release.
My ...
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Storing configuration directly in the executable, with no external config files
Back in the days when dinos talked fluently English, Arabic, Spanish and a bunch of other languages, when one could change tapes of a PDP-11 on the fly there was a programming language Turbo Pascal.
I ...
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Did Pascal programmers really move on to Java in the 90s?
According to this video Pascal suffered great loss of percentage in the 90s. There is, contrary to the common belief that C prevailed over Pascal, a counterargument that Pascal programmers moved on to ...
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How can I embed C++ Builder 6 (32-bit) VCL into a Delphi 7 (32-bit) VCL application by using a .DLL? [closed]
Note to the reviewer: Please sorry for my English, I don't speak it well. But all Information's should be reproduced. If you have any questions, let me know it.
Thanks, Jens
Hello,
This is more a ...
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How did UCSD Pascal exception mechanism work?
In the UCSD PASCAL II.0 Manual, there is a description (document page 140, PDF page 153) of a peculiar language feature: instead of non-local GOTO statements, as in the Wirth's Pascal, there is
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How do I read a port value using Turbo Pascal inline code on CP/M?
After successfully using port[0] to read a port value in Turbo Pascal, I thought I'd try to understand how to do this using inline assembly/machine code.
I'm able to write to the port (my OutPort ...
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Who invented small string optimization?
In the source code of the 1972 Pascal compiler (a very large OCR-ed PDF), there are declarations of variables and record fields of type ALFA, which are "packed arrays" of 10 characters.
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Why does Pascal have numeric labels?
Pascal was intended, in part, to be a simple language to implement. Some of the design decisions reflecting this are
Declarations/definitions must be given in a strict order (labels, constants, types,...
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Was there a bug in Wirth's original Pascal compiler?
It appears that both legacy Pascal compilers I have access to (for the BESM-6) contain a bug: they would happily produce code for
program test(output);(* may have to omit (output) depending on the ...
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