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8086tiny: a PC XT-compatible virtual machine/emulator in C

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  8086tiny: a PC XT-compatible virtual machine/emulator in C RS Wood <rsw@therandymon.com> - 2014-02-09 23:10 +0000
    Re: 8086tiny: a PC XT-compatible virtual machine/emulator in C Koen Lefever <koen.lefever@gmail.com> - 2014-02-09 15:20 -0800
      Re: 8086tiny: a PC XT-compatible virtual machine/emulator in C Koen Lefever <koen.lefever@gmail.com> - 2014-02-09 15:29 -0800
    Re: 8086tiny: a PC XT-compatible virtual machine/emulator in C Oregonian Haruspex <bob_davis_retired@yahoo.com> - 2014-02-09 16:01 -0800
    Re: 8086tiny: a PC XT-compatible virtual machine/emulator in C wjwlsn <ibillwilson@gmail.com> - 2014-02-17 23:13 +0000
      Re: 8086tiny: a PC XT-compatible virtual machine/emulator in C cykros@devio.us - 2014-02-18 20:06 +0000

#168 — 8086tiny: a PC XT-compatible virtual machine/emulator in C

From the "graphics card? don't need no graphics card dept":
"http://www.raspberrypi.org/archives/6008?utm_source=rss&utm_medium=rss&utm_campaign=8086tiny-a-free-pc-xt-compatible-virtual-machineemulator-written-in-c"

The folks over on the Raspberry Pi blog point us to an interesting and 
useful project run by Adrian Cable: a virtual machine/PC emulator of the 
Intel 8086 CPU accurate enough to run AutoCAD, Lotus 1-2-3, and classic 
PC games.  The kicker?  It's 4043 bytes of highly condensed C code, 
nothing more.

Industrialists with apps that rely on old PCs, or even just fogeys 
interested in running WordPerfect 5.1 on their Raspberry Pis - you're all 
in luck.

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#170

> From the "graphics card? don't need no graphics card dept":
> 
> "http://www.raspberrypi.org/archives/6008?utm_source=rss&utm_medium=rss&utm_campaign=8086tiny-a-free-pc-xt-compatible-virtual-machineemulator-written-in-c"
>
> The folks over on the Raspberry Pi blog point us to an interesting and 
> useful project run by Adrian Cable: a virtual machine/PC emulator of the 
> Intel 8086 CPU accurate enough to run AutoCAD, Lotus 1-2-3, and classic  
> PC games.  The kicker?  It's 4043 bytes of highly condensed C code,
> nothing more.
> 
> Industrialists with apps that rely on old PCs, or even just fogeys 
> interested in running WordPerfect 5.1 on their Raspberry Pis - you're all 
> in luck.

This reminds me of the PC Emulator for the Acorn Archimedes, I used it to run WP5.1 on ARM ... in 1987.

"http://acorn.chriswhy.co.uk/docs/Acorn/Tech/Acorn_PCEmulator.pdf"

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#171

 > This reminds me of the PC Emulator for the Acorn Archimedes, I used it to run WP5.1 on ARM ... in 1987.

Correction: that must have been WP4.2.

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#172

On 2014-02-09 23:10:01 +0000, RS Wood said:

> From the "graphics card? don't need no graphics card dept":
> "http://www.raspberrypi.org/archives/6008?utm_source=rss&utm_medium=rss&utm_campaign=8086tiny-a-free-pc-xt-compatible-virtual-machineemulator-written-in-c" 
> 
> 
> The folks over on the Raspberry Pi blog point us to an interesting and
> useful project run by Adrian Cable: a virtual machine/PC emulator of the
> Intel 8086 CPU accurate enough to run AutoCAD, Lotus 1-2-3, and classic
> PC games.  The kicker?  It's 4043 bytes of highly condensed C code,
> nothing more.
> 
> Industrialists with apps that rely on old PCs, or even just fogeys
> interested in running WordPerfect 5.1 on their Raspberry Pis - you're all
> in luck.

That's pretty dense code in 8086tiny.c 
("http://ioccc.org/2013/cable3/cable3.c").  The more readable version 
of it at 
("https://github.com/adriancable/8086tiny/blob/master/8086tiny.c") is 
still stupefyingly dense.

While I'm sure this can be useful in very limited space environments, I 
am a hard core Dosbox user.  I have been meaning to get a Pi for a 
while now just for Mathematica, but I have to try this little program 
out as well once I get it.

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#517

> From the "graphics card? don't need no graphics card dept":
> "http://www.raspberrypi.org/archives/6008?utm_source=rss&utm_medium=rss&utm_campaign=8086tiny-a-free-pc-xt-compatible-virtual-machineemulator-written-in-c"
>
> The folks over on the Raspberry Pi blog point us to an interesting and
> useful project run by Adrian Cable: a virtual machine/PC emulator of the
> Intel 8086 CPU accurate enough to run AutoCAD, Lotus 1-2-3, and classic
> PC games.  The kicker?  It's 4043 bytes of highly condensed C code,
> nothing more.

Just to revive this older thread from last week... has anybody here played around with this yet? I don't have  Pi yet, but I do have a list of reasons to get one, and this just got added to it. I see a Pi in my future, sooner rather than later.

(Also, I love how the code is 4043 bytes... half of 8086.)

--
Beating dead horses on the 'net since 1993, now frequenting
comp.misc daily in a prolonged fit of netstalgia.

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#537

wjwlsn <ibillwilson@gmail.com> wrote:
>> From the "graphics card? don't need no graphics card dept":
>> "http://www.raspberrypi.org/archives/6008?utm_source=rss&utm_medium=rss&utm_campaign=8086tiny-a-free-pc-xt-compatible-virtual-machineemulator-written-in-c"
>>
>> The folks over on the Raspberry Pi blog point us to an interesting and
>> useful project run by Adrian Cable: a virtual machine/PC emulator of the
>> Intel 8086 CPU accurate enough to run AutoCAD, Lotus 1-2-3, and classic
>> PC games.  The kicker?  It's 4043 bytes of highly condensed C code,
>> nothing more.
> 
> Just to revive this older thread from last week... has anybody here played around with this yet? I don't have  Pi yet, but I do have a list of reasons to get one, and this just got added to it. I see a Pi in my future, sooner rather than later.
> 
> (Also, I love how the code is 4043 bytes... half of 8086.)
> 
> --
> Beating dead horses on the 'net since 1993, now frequenting
> comp.misc daily in a prolonged fit of netstalgia.


Can't say I've checked this out yet, but I have been strongly meaning
to grab a copy of RiscOS (especially now that I noticed my TV DOES 
actually have a second HDMI input port).  Some of the unix ported code
on there is pretty impressive...there's very little it isn't capable of 
doing as a fairly primary system, which makes it pretty attractive on 
the Raspberry Pi.  Linux is great and all, but it's these older systems 
that really allow you to use the minimal hardware without noticing
the diminished speed.

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