simh
min-sized-rust
simh | min-sized-rust | |
---|---|---|
39 | 101 | |
1,614 | 7,448 | |
0.6% | - | |
8.9 | 6.2 | |
about 1 month ago | about 2 months ago | |
C | Rust | |
GNU General Public License v3.0 or later | MIT License |
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simh
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SIMH – Old Computer Emulator
It sounds like there was a config option available to disable the signature addition to the image file ( https://github.com/simh/simh/issues/1059#issuecomment-108689... ). I could see a benefits for having an embedded image signature for preservation and corruption detection issues.
I don't think complaining about the design is toxic, but recruiting uninvolved people on twitter, and harassing out of ban certainly is. Also reading the bug thread it seems the person with the issue wasn't the same as the one who instigated the harasment. (https://github.com/simh/simh/issues/1059#issuecomment-108675...)
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Multics Simulator
Perhaps, however, SIMH (http://simh.trailing-edge.com/, https://opensimh.org/) also calls itself a simulator rather than an emulator. Six of one, half dozen of the other, I guess!
- Mystery? Of the few 1968 Honeywell Kitchen (Pedestal )Computers built, where are they now?
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Winner of the lookalike contest
You can get emulators for the machine: SIMH
- How many platforms do you deal with?
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Anyone know how to attach a network device to a simulated VAX in simh?
I looked into this recently too, given the large amount of instructions at https://github.com/simh/simh/blob/master/0readme_ethernet.txt I decided it was too much bother for now.
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Pico_1140: A PDP11/40 emulator that will run Unix v5/v6 on a Raspberry Pi Pico
In case anyone was wondering:
> The de facto emulator for most old computers is Simh https://github.com/simh/simh. The size and complexity of the individual machine apps is such that a direct port to a memory limited system is not feasible.
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GCC gets a new frontend for Rust
VAX has its die hard fans, and the historical value of the VAX and what it did to shape our computing world can't be overstated. As both a learning tool and a way to preserve history, simh and VAX emulation are wonderfully accessible. VAX running modern NetBSD does an excellent job illustrating where performance regressions happen and where bad assumptions are made. None of these are compelling reasons to target a new toolchain to a classic architecture by themselves, but the interest is there.
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Zork compiled from MDL source code
A long time ago you posted a suggestion in the original SIMH GitHub as an issue to have Interlan NI1010A added. https://github.com/simh/simh/issues/380
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The IBM 701
https://github.com/simh/simh
Richard Cornwell has implemented the IBM 701, IBM 704, IBM 7010/1410, IBM 7070/7074, IBM 7080/702/705/7053 and IBM 7090/7094/709/704 simulators.
min-sized-rust
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The Linux Kernel Prepares for Rust 1.77 Upgrade
This is a good guide on building small Rust binaries: https://github.com/johnthagen/min-sized-rust
This talks about going to extreme lengths on making the smallest Rust binary possible, 400 bytes when it was written, https://darkcoding.net/software/a-very-small-rust-binary-ind...
The thing is, you lose a lot of nice features when you do this, like panic unwinding, debug symbols, stdlib… for kernel and some embedded development it’s definitely important, but for most use cases, does it matter?
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Rust wont save us, but its ideas will
Oh it was 137, haha. I will link you to this older comment of mine: https://news.ycombinator.com/item?id=29408906
See also https://github.com/johnthagen/min-sized-rust
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Making Rust binaries smaller by default
Are you sure? If so then this is awesome news, but I'm a bit confused; the commit in that min-sized-rust repo adding `build-std` to the README was merged in August 2021: https://github.com/johnthagen/min-sized-rust/pull/30
Are you saying that at that point the feature still hadn't "landed in Rust nightly" until recently? If so then what's the difference between a feature just being available in Rust nightly, vs having "landed"?
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Was Rust Worth It?
Rust binaries are by default nowhere close to 500MB. If they are not small enough for you, you can try https://github.com/johnthagen/min-sized-rust. By avoiding the formatting machinery and using `panic_immediate_abort` you can get about the size of C binaries.
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Compiling Rust binaries for Windows 98 SE and more: a journey
A useful reference: https://github.com/johnthagen/min-sized-rust
- How to minimize Rust binary size
- Error on flashing embedded code to stm32f103
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Tiny Binaries (2021)
That must be without stripping. Also there are ways to reduce binary size. See e.g. [min-sized-rust](https://github.com/johnthagen/min-sized-rust). I've gotten stripped binaries of small cli utils less than 400KiB without doing anything special, less than 150 KiB by customizing profile settings and compressing with upx, and less than 30 KiB by replacing the std with the libc as the link shows. Haven't tried with fltk though...
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Shared libraries
This is not quite what you're asking, but it does also address the underlying concern: https://github.com/johnthagen/min-sized-rust
What are some alternatives?
AppleWin - Apple II emulator for Windows
smartstring - Compact inlined strings for Rust.
windows
Cargo - The Rust package manager
GW-BASIC - Assembling Microsoft GW-BASIC from 1983, with MASM or JWasm • "pre-release" binaries at https://codeberg.org/tkchia/GW-BASIC/releases • source mirror of https://codeberg.org/tkchia/GW-BASIC • fork of https://github.com/dspinellis/GW-BASIC
rustc_codegen_gcc - libgccjit AOT codegen for rustc
8bc - B compiler for the PDP-8
c2rust - Migrate C code to Rust
GW-BASIC - The original source code of Microsoft GW-BASIC from 1983
regex - An implementation of regular expressions for Rust. This implementation uses finite automata and guarantees linear time matching on all inputs.
Pico_1140 - A PDP11/40 emulator that will run Unix v5/6
embedded-graphics - A no_std graphics library for embedded applications