Yes, I programmed pascal on CP/M on z80 and late on 8086 Borland pascal, 1987 I hope to try to compile the .pas on our u-blox modules w106 and b302, that are esp32 and nrf52 core
Nice job Enviado do meu iPhone > Em 12 de mar. de 2022, à(s) 00:30, Gregory Nutt <spudan...@gmail.com> > escreveu: > > >> >> Will Embedded Pascal open /dev/ files ? >> > > Yes. The Pascal I/O run-time is a portability layer. Ffor Linux and NuttX > it uses standard C library calls. It does use C buffered I/O (fopen, > fread, fwrite, etc.) which may not be ideal for some kinds of device I/O. > An alternative I/O run-time based on non-buffered I/O (open, read, write, > etc.) would probably be better and not difficult to do at all. > > > > That run-time code is here: > https://github.com/patacongo/Pascal/blob/main/insn16/libexec/libexec_sysio.c#L1298 > > > > I haven't considered hard-realtime with an interpreter. t I think this > effort is more in line with a hobbyist's interests. Performance on a > desktop, even under the simulator, is really very good and appears to be on > par with native code; but I assume there could be performance issues when > it runs on a lower performance platform. > > > > Calling it "interpreted" is misleading. The source code is compiled, > optimized, and linked into an ELF-like executable format. So what is > interpreted is machine language for a made up CPU. I have other emulated > machine architectures that are not in the repository currently (too much to > maintain). Translating the code to run natively on ARM or RISC-V is > possible, just not as interesting to me. > > > > The history of Pascal is interesting. Invented by Niklaus Wirth > https://en.wikipedia.org/wiki/Niklaus_Wirth it became widely popular until > destroyed by Brian Kernighan > https://www.cs.virginia.edu/~evans/cs655/readings/bwk-on-pascal.html . > Modern Pascal has resolved all of these issues, but it is no longer a > language in wide use. It was widely used not too long ago with Borland > Turbo Pascal and Delphi. There is a modest following for contemporary > FreePascal/Lazarus. Then there is GNU Pascal, but I haven’t heard any kind > words for GNU Pascal.
