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Thread View: alt.folklore.computers
5 messages
5 total messages Started by len... Craig Scott Lennox Tue, 18 Sep 1990 01:39
Bitmapped Cyrillic characters
#4532
Author: len... Craig Scott Lennox
Date: Tue, 18 Sep 1990 01:39
32 lines
1955 bytes

Since we have a Soviet poster here, I thought this would be a good
opportunity to bring this up again:

My home computer displays the English alphabet as a 7x7 dot matrix,
which I belive is typical of computers and terminals:

  XXX    XXXXXX    XXXXX   XXXXXX   XXXXXXX
 XX XX   XX   XX  XX   XX  XX   XX  XX     
XX   XX  XX   XX  XX       XX   XX  XX     
XXXXXXX  XXXXX    XX       XX   XX  XXXXXX 
XX   XX  XX   XX  XX       XX   XX  XX     
XX   XX  XX   XX  XX   XX  XX   XX  XX     
XX   XX  XXXXXX    XXXXX   XXXXXX   XXXXXXX, etc.

I have tried to come up with a similar representation of the
Cyrillic alphabet, but it seems as though a great many characters
cannot be made.  E.g. the characters for "sh", "shch", and "ee" with
a circumflex(?).  However, it doesn't *seem* as though the Cyrillic
alphabet is significantly more complex than ours, and Soviet
computers must have *some* way of displaying them efficiently
and without extensive graphic capability, etc.

Any ideas on how it's done?  It's been a mystery to me.


--
|    flame me at: len...@minilove.diag.stratus.com, (Craig Scott Lennox)    |
|"Oh boy, virtual memory! Now I'm gonna make myself a REALLY BIG ram disk!" |
|   Disclaimer:  My opinions are covered by section 2b of the Gnu Public    |
|                License and thus do not belong to Stratus Computer.        |
Re: Bitmapped Cyrillic characters
#4533
Author: v116... Dave Archer
Date: Tue, 18 Sep 1990 02:56
19 lines
1537 bytes
In article <LENNOX.90S...@minilove.diag.stratus.com>, len...@minilove.diag.stratus.com (Craig Scott Lennox) writes...
>|"Oh boy, virtual memory! Now I'm gonna make myself a REALLY BIG ram disk!" 

Someone at work once said something to this effect.  Basically, it was in
discussion of what good virtual memory was going to do him considering he
already had 8 megs and hardly needed more (at the time).   "Well, I could
always make a big ram disk with the ram and use virtual memory for the
programs."  I'm not entirely sure if he was joking or not, somehow I don't
think he was.  


---
 Note: I do not represent my employer or school, & sometimes not even myself.

  Dave Archer  |  Internet: V116...@UBVMS.CC.BUFFALO.EDU      !
               |    Bitnet: V116KZND@UBVMS.BITNET

				
Re: Bitmapped Cyrillic characters
#4536
Author: ni... Nick Rothwell
Date: Tue, 18 Sep 1990 10:51
23 lines
1608 bytes
In article <LENNOX.90S...@minilove.diag.stratus.com> len...@minilove.diag.stratus.com (Craig Scott Lennox) writes:
>My home computer displays the English alphabet as a 7x7 dot matrix,
>which I belive is typical of computers and terminals:
>
>I have tried to come up with a similar representation of the
>Cyrillic alphabet, but it seems as though a great many characters
>cannot be made.

To tie together the Cyrillic article thread and the old computers/files
article thread:

	The Terak Corp. 8510 which I had until a short while ago, has a
load of font files dating from around 1977. One of them was Cyrillic.
They were mapped to an 8 line by 9 pixel character grid, I think.

Poor machine blew its power supply a few weeks ago. R.I.P.

	Nick.
--
Nick Rothwell,	Laboratory for Foundations of Computer Science, Edinburgh.
		ni...@lfcs.ed.ac.uk    <Atlantic Ocean>!mcsun!ukc!lfcs!nick
~~ ~~ ~~ ~~ ~~ ~~ ~~ ~~ ~~ ~~ ~~ ~~ ~~ ~~ ~~ ~~ ~~ ~~ ~~ ~~ ~~ ~~ ~~ ~~ ~~
 "Now remember - and this is most important - you must think in Russian."
Re: Bitmapped Cyrillic characters
#4534
Author: s... steve lamont
Date: Thu, 20 Sep 1990 05:18
20 lines
1690 bytes
In article <36...@eerie.acsu.Buffalo.EDU> v116...@ubvmsb.cc.buffalo.edu writes:
>In article <LENNOX.90S...@minilove.diag.stratus.com>, len...@minilove.diag.stratus.com (Craig Scott Lennox) writes...
>>|"Oh boy, virtual memory! Now I'm gonna make myself a REALLY BIG ram disk!" 
>Someone at work once said something to this effect. ...
>        ... I'm not entirely sure if he was joking or not, somehow I don't
>think he was.  

Actually, this idea may not be entirely fatuous.  The swapper is probably
better at handling I/O than the disk I/O routines.  For instance, it is more
efficient (I think, it has been a while) to map a file into virtual memory and
treat it as RAM on a VMS VAX.  This may just be a function of the rotten VMS C
standard I/O library, however.

							spl (the p stands for
							page fault)
-- 
Steve Lamont -- SciViGuy -- Phone number of the week: (408) 646-2572
Confuser Center / Code 51 / Naval Postgraduate School / Monterey, CA 93943
"There are no fleas in the Republican Army."
				- Italo Calvino, _The Baron in the Trees_
Re: Bitmapped Cyrillic characters
#4535
Author: ls... logan shaw
Date: Thu, 20 Sep 1990 20:03
29 lines
2389 bytes
In article <14...@libra.cs.nps.navy.mil> s...@cs.nps.navy.mil (steve lamont) writes:
>>In article <LENNOX.90S...@minilove.diag.stratus.com>, len...@minilove.diag.stratus.com (Craig Scott Lennox) writes...
>>>|"Oh boy, virtual memory! Now I'm gonna make myself a REALLY BIG ram disk!" 
[ parts of intermediate postings deleted ]

>Actually, this idea may not be entirely fatuous.  The swapper is probably
>better at handling I/O than the disk I/O routines.  For instance, it is more
>efficient (I think, it has been a while) to map a file into virtual memory and
>treat it as RAM on a VMS VAX.  This may just be a function of the rotten VMS C
>standard I/O library, however.

It is also very possible that mapping a file into virtual memory may be more
efficient on many UNIX boxes.  There is at least one machine here that is on
a network filesystem, but it has its own disk to swap to.  Since the network
is usually very bogged down, a virtual ramdisk would probably be MUCH faster.

>							spl (the p stands for
>							page fault)
>-- 
>Steve Lamont -- SciViGuy -- Phone number of the week: (408) 646-2572
>Confuser Center / Code 51 / Naval Postgraduate School / Monterey, CA 93943
>"There are no fleas in the Republican Army."
>				- Italo Calvino, _The Baron in the Trees_
============================================================================
"The beauty queen, clevely clad,                    Logan Shaw
 admires herself in a cigarette ad.                 ls...@ccwf.cc.utexas.edu
 Will she admit that all was in vain                ========================
 when the face in her mirror cracks like a windowpane?"
              -Elim Hall, _Things_Break_
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