before D there was d
Joakim via Digitalmars-d
digitalmars-d at puremagic.com
Wed Jul 9 07:26:58 PDT 2014
On Wednesday, 9 July 2014 at 13:18:00 UTC, jim schmit wrote:
> i recently sent this email to andrei. he encouraged me to post
> it in this forum. here it is:
>
> hi andrei
>
> a colleague recently pointed me to the wired article about you
> & your D computer language. thought you might be interested an
> earlier attempt to produce a new & better computer language
> that we called d (lower case). fear not, i am an engineer, not
> a lawyer, & do not sue people.
>
> my name is jim schmit. i am a retired engineer / professor /
> entrepreneur / international business man / corporate
> executive. I wrote my 1st program over 50 years ago. i worked
> for IBM as a systems engineer on the first OS on big iron.
> disillusioned with the consequences of complexity in computer
> design (i am a pathological minimalist), i dropped out to
> become a computer science professor & "do my own thing". i was
> extremely active at the birth of the microcomputer. in the mid
> 70's i created a programming system for small cheap control
> computers based on a stack architecture pseudo machine. it was
> tiny intended to fit entirely in a 2K byte eprom. the run time
> system consisted of a set of “base” functions that fit in less
> than 1/2 K bytes of memory. there was no interpreter, the code
> was threaded. the application fit in the other 1 1/2K. the
> functions used byte codes & used less than 1/3 the space of
> well written machine language and ran at 1/2 the speed of
> machine code. net results…3x the functionality in the same rom
> while far easier to write & debug code. i called it omega
>
> before i could commercialize my system, i was distracted.
> i was commissioned to design & build what became known as
> CompuTrac, the first microcomputer based technical analytic
> system for trading the commodities markets. it became an
> instant hit & we soon found ourselves at the forefront of real
> time trading systems. we developed initially for the apple II
> & later the PC.
>
> by the late 70’s we were searching for a new hardware platform
> & disappointed in the options available decided to “roll our
> own”. we revisited omega as the basis for a real time graphic
> workstation. a former customer, turned competitor, named his
> product omega, so we renamed the language d (after c). with 2
> former student assistants, paul johnstone & ana maria roa, we
> started delta digital designs “strong designs & innovative
> coffee”.
>
> we introduced our delta computer with d software in late ’83.
> the software extended into the new windowed environment but
> remained small & quick. Our first product was called
> TradePlan. it was a real time vector spreadsheet with
> constantly changing graphic output. it could monitor 3 real
> time ticker feeds of exchange trading data, maintain a local
> data base of time series prices, feed 4 spreadsheets that were
> fully user programable to calculate technical indicators &
> create a trading system with alarms of opportunity & display
> all on constantly updating charts. the d machine run time
> system containing multitasking scheduler, real time i/o
> handlers, a complete graphic windowing capability ran in under
> 8K of code. The trade plan app code was under 24K. running on
> a 6809 processor, it was highly user responsive & could keep up
> with the workload.
>
> it became famous in it’s small world of finance. In 1985 both
> CompuTrac & Delta Digital Designs was bought by Dow Jones /
> Telerate.
>
> at dow, our products were renamed, extended & added to. we did
> another product called Matrix that was a user programmable
> financial market monitor / consolidator that proved very
> popular.
> In the late 80’s our products generated just under $1B revenue
> for DJ.
>
> Matrix used the 3rd iteration of the d language, rebuilt to be
> fully object oriented.
>
> I retired in 1992 but my team continued the work for dow & a
> series of other owners until 2003.
>
> if any of this is of any interest to you, please let me know.
>
> regards
Cool story, bro.
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