Pascal Micro Engines

From: Hans Franke <franke_at_sbs.de>
Date: Mon Aug 31 14:47:12 1998

>>Cross platform development was an easy thing - write one
>>application and let it run on PETs, Tandys, CPM/systems,
>>of coure on APPLE ][s and even on IBM-PCs - oh, did someone
>>say Java ? *grins*.

> In theory. In practice, many P-System programs made calls to
> platform-specific extensions to the language in question,
> linking against a library of a dozen or so routines for doing
> non-standard subroutines written in machine code: block
> memory moves, disk block reads, etc. I don't think those
> were ever standardized between platforms.

> You can't take the average clone of Pacman or whatever from an
> Apple II P-System and run it on another system unless it was
> completely pure - poking video memory ain't pure.

At some degree - there have been a lot of Units available
on different platforms. And as everywhere in these old
days the ctr controll codes had more impact an porting
than anything else. In fact I used the p-system several
times for cross platform developments in the early 80s.
Even for my first app on the IBM-PC - The next few apps
where developed with Turbo Pascal on the APPLE ][+ using
CP/M and recompiled on the PC. I withstand the IBM for
almost two years ...


> See my web page for a history of the UCSD P-System.

Hmm letmesee... only Pascal ?
What about the otherlanguages ?

> I'd love to get a Microengine.

Ibet there are still some out there.

Gruss
H.

--
Ich denke, also bin ich, also gut
HRK
Received on Mon Aug 31 1998 - 14:47:12 BST

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