[MUD-Dev] Mud Languages
burrito at darklock.com
Sat Aug 9 01:03:53 New Zealand Standard Time 1997
On Fri, 8 Aug 1997 17:37:15 PST8PDT, Greg Munt
<greg at uni-corn.demon.co.uk> wrote:
>Maybe I used incorrect terminology.
>5 [ PROBLEM-ORIENTATED LANGUAGE LEVEL ]
Okay, I get that part. What I *don't* get is...
>4 [ ASSEMBLY LANGUAGE LEVEL ]
>3 [ OPERATING SYSTEM MACHINE LEVEL ]
>2 [ CONVENTIONAL MACHINE LEVEL ]
The "Operating System Machine Level" confuses me. I would take
"Conventional Machine Level" to be the actual opcodes, where each
instruction is a raw hex value rather than a mnemonic. But what exactly
is "Operating System Machine Level"? Do you mean APIs and interrupts? I
don't quite get it.
>1 [ MICROPROGRAMMING LEVEL ]
>0 [ DIGITAL LOGIC LEVEL ]
These last two, I grok... you have your usual and, or, nor, nand, xor,
and not which are digital logic; microprogramming, the aggregation of
these into something which can execute the machine language. If I get
this properly, that is.
You see me now, a veteran of a thousand psychic wars. I've been
living on the edge so long, where the winds of limbo roar. And
I'm young enough to get involved, too old to see, all the scars
are on the inside; I'm not sure that there's anything left of me
-- Blue Oyster Cult, "Veteran of the Psychic Wars"
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