From: Russ Cox <rsc@swtch.com>
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
Subject: Re: [9fans] 8086 Interpreter
Date: Fri, 3 Sep 2010 16:36:12 -0400 [thread overview]
Message-ID: <AANLkTikFn1PR=kM-37+J51QfzUBFzBxEJHm7tgvmmcdH@mail.gmail.com> (raw)
In-Reply-To: <AANLkTi=MAzbf1egqO6FUrPKEfMCRNB30qRFpVonEw6zP@mail.gmail.com>
On Fri, Sep 3, 2010 at 3:21 PM, Akshat Kumar
<akumar@mail.nanosouffle.net> wrote:
> I've recently had the need for a very simple 8086 interpreter,
> with which I can do some assembly testing (so it should
> allow me to enter the basic opcodes and their operands,
> such as MOV AL, 0x21 etc.). I found 8i in contrib/rsc
> which seems to have been taken from aki's 8i,
I wrote 8i. If you keep poking around in contrib/rsc
you'll also find 86a and 86b which are different variants
of an 8086 assembler.
vbe.c is just one example of setting up an execution
environment and running code. You can write your own
foo.c that sets things up the way you want (maybe it
reads the code from a file) and run mk 8.foo.
If you set cpu.trace = 1 you'll get lots of output about
each step during the simulation.
Russ
next prev parent reply other threads:[~2010-09-03 20:36 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-03 19:21 Akshat Kumar
2010-09-03 20:10 ` ron minnich
2010-09-03 20:36 ` Russ Cox [this message]
2010-09-03 21:43 ` Akshat Kumar
2010-09-04 12:29 ` Russ Cox
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