IS DOS - Problems and Solutions

(C) 1997 Liapin


 Music by Shov



      IS_DOS: Problems and Solutions.



           Instead of preface.



    Before I begin the article, I want to apologize to more 
sophisticated users of this system is too detailed 
consideration of seemingly obvious things, but from my own 
experience knowing the lack of availability of detailed, 
understandable, for an inexperienced user manuals and guides 
(as can not but recall series of books for users and 
programmers PC-compatible computers for Dummies), I'm risking 
discontent Still, "Chew" stuff. Except

this advice when reading to have on hand
User guide IS_DOS, because it
will help supplement what I'll be down in an article in the 
apparent obviousness thereof. 

 ***************************************



  In a previous article I showed you how
You can effectively use RAM-disk
IS_DOS.Dopolnitelnuyu system and very
interesting information about it you can learn from computer 
magazine "ZX-FORMAT", in which working with him very well-lit, 
repeat no smysla.Segodnya we will talk about the editor

IS-EDITOR, a specific look at the work
One of his interesting overlay - overlay macros. But first I 
must say a few words about the editor. IS-EDITOR - A complete, 
correct, efficient and comfortable editor, which has many 
necessary for normal functions. He location is EDIT, and is

of the following files:

editor.com - preliminary customizer
edit.com - actually the editor
ed0.ovr - overlay block functions
ed1.ovr - overlay search and replace
ed2.ovr - overlay parameters Ed.
ed3.ovr - overlay format. Text
ed4.ovr - overlay macro
ed5.ovr - overlay calculator
ed6.ovr - overlay ext. Functions
ed7.ovr - overlay pseudographics.



  This, of course, not all files editor
but the most necessary for our razgovora.S first two files 
list, I hope all of you is clear, but a powerful overlay system 
requires more rassmotreniya.Ya not going to retell the contents 
of Editor's description of the instructions, all who

did not read it I advise to study, and who have forgotten
- Repeat, therefore, immediately proceed to
overlay ed4.ovr, and in the process, discuss
other overlays in the light of makrosnogo. Thus,
what is macros in relation to the above-named editor. Macros - a
the ability to program words and whole, often used in 
combinations and even proposals (saving you as necessary, 
wasting time, tens of to type the same thing) the possibility of

programmed sequence of overlay functions, and from a variety of 
overlays, the ability to create powerful search, counting and 
copy-functions in an editable file, and much, much more. That 
would not bother esteemed readers and users take as they say 
the bull by the horns and consider the specific examples of 
great opportunities macros.




       1.Programmirovanie text.


As I mentioned programs the macro
specific sequence of actions
and he does it very simple sposobom.V
Directory EDIT, create a file ed_mac txt,
which contains a list of required makrosnyh sequences recruited 
all in the same editor, the line opens up a character that 
causes a sequence and thus the first symbol in such a

line is a control or command. Suppose you create a text
ed_mac.txt file in the directory EDIT, recorded
the following lines:


       A HELLO!

       B HELLO!



  Now downloading any your work
text file in the editor, press the key combination "CS / SS". 
In the upper right corner screen in front of the name of your 
file appears include overlay macros word "MAC". If you now 
press the "A" we get to the screen, with the position cursor 
editor, the word "hello", and if press the "B" - we see the 
word "HELLO!", but not with the cursor, and the next

familiarity. If you want to display a phrase or sentence boldly
write to him for a control character,
just remember that one line should
be no more than 32 characters, because is the size of the 
keyboard buffer. If you want to take a longer text then short 
the line with each makrosnye drugom.Delaetsya it this way. For 
example, we need that would be when you press "D"

appeared 40 characters "*" for this we
produce the following steps:

 1.Zagruzhaem file in the editor ed_mac.txt
 2.Pishem since the beginning of the line, the symbol "D",
then fills 28 simvolov "*"
 3.Za dialed symbol without
indent recruit another manager
makrosnogo symbol overlay, "# 0E" and for
him for any other symbol, for example, "G
"Next, open a new row with this symbol and adds the missing 
stars. 

D ****************************# 0EG
G ************


Thus we can deduce TEXT virtually any reasonable and necessary 
length. 

 2.Programmirovanie overlay functions.



  In addition to considering the possibility of makrosny 
overlay can save you from the other monotonous and tedious 
operatsiy.Kazhdy of overlay editor does its very

important and necessary function in helping to work
and expanding the editing capabilities
Copy text formatting. Often have an operation repeated several 
times, performing the same rabotu.Vot here and comes to the 
rescue Macro overlay, taking it on themselves.

Consider a simple example.
Take an overlay of additional functions.
It is invoked by pressing the keys Simbol Shift + Space, and 
provide 22 functions, is very necessary in the work of

pressing the appropriate keys, with
overlay is induced by the bottom line editor. This overlay can 
be fixed pressing the Space again, with a

Editor's top line, next to the name
file appears: FIX. Well, perhaps all that we need for example 
(a more detailed description of the overlay See the user manual 
or in help'e), and now we will create a macro

based on this overlay. Suppose we
have a certain text file, a sufficiently large volume. This may 
be a directory, database, list, story and etc. And we need it 
to crash on the page For example, for 80 rows. To do this, load 
into the editor and create a ed_mac.txt It makros.Pervym affair 
first line put a control character vyzyvayushy

the macro, let it be "A", then
write control character to call an overlay of additional 
funktsiy.Tut should make a reservation for the call control 
keys used by a "#" followed by a hexadecimal character code is 
written ("0" for tens of writing required). Symbol to call this 
overlay - # 12.Kody to call other overlays, you

See the end of this article. Now, on the
Just in case, podstrahovyvayas (suddenly
We wet-file and the cursor is not at the beginning
file), write control character to return to the top of the 
file, as we know it - "t" (Just a little latin t, a DO NOT

big, then I'll explain why), it
code - # 74 Next, move the cursor down
80 strok.Eto done by calling another official symbol overlay 
macro (By the way, a complete list of these symbols you

also found at the end of the article). This is - the escape 
character - # R, after which must be two hexadecimal digits. 
The first figure - the number of repetitions, the second - The 
length of the repeated patterns. For example: 


     # R21 #, what it means to move the cursor
2 familiarity right;


     # R38SPECTRUM, what it means to print
three times the word SPECTRUM, and the digit "8" -
the number of letters that must be repeated.

  Now we take the description editor
information that the combination of Simbol Shift +
A moves the cursor 20 characters down,
and this means you must repeat this
operation 4 times, that is obtained:
# R41 # 10 where # 10 - code SS + A, 4 -
number of repetitions, 1 - length of the repeated
plot. Next, you must call the scriber, ie character "l", its 
code - # 6C. Let's see what we got:



  A # 12 # 74 # R41 # 10 # 12 # 6C


I hope everyone understands how we got
this line macro (if it is not clear read
above).
When you run the line, we have the following:

 1.Kursor goes to the top of the file;
 2.Kursor drops to 80 characters down,
with the additional overlay. features removed;
 3.Vyzyvaem re-overlay, and put a note page.

  Let's perfecting this
procedure, using the familiar
control character macro - # 0E.Chto would
layout file is continued until the end, it is necessary to 
establish two lines of the macro, using the symbol # 0E. In 
this case, the first line will display the cursor to the 
beginning of the file and cause a second line that

properly and will mark fayl.Dlya call the second line we use, 
not for long thinking, the second symbol Latin alphabet

- "B". That's what we get:


      1. A # 12 # 74 # 0EB

      2. B # R41 # 10 # 12 # 6C # 0EB


As seen from the second line written
loops on itself. Teper, we can safely run this macro, and he 
conscientiously razobet file on the page to 80 strok.No are 
just counting should be stopped manually by pressing and 
holding down the Space, until Indicator: MAC, the top row the 
editor to change to: mac, which means overlay macro understood 
your request to abort makrosnoy team and break a looped 
command. Is it possible to somehow determine when to finish the 
job macro? Overlay macro has the

opportunity. This is another service that controls the 
character that will terminate the looped line or lines of the 
macro, meeting in an empty file stroku.Konechno certain 
problems it creates, because then your file is nowhere to

be empty except for the kontse.Eto
symbol "T" on prefekse # 12, ie, - # 12T.
Change the line, insert this code into it and
Now after calling the overlay is to press
press "1" and start counting the file:


      1. A # 12T # 12 # 74 # 0EB

      2. B # R41 # 10 # 12 # 6C


So we wrote a macro file scriber
in increments of 80 lines, fully self-contained,
and not in need of our assistance and for its operation, the 
overlay of additional functions. It only remains say a few 
words. Well firstly, my example can be and has no slope and

special need and elegance, but it
just an example of creating overlay
Macro and based on it, you can
create a very convenient and effective macro for your own 
needs. Second, instead of the hexadecimal character codes you 
can use the symbol, Then we reviewed the line will be

look like this:


      1. A # 12T # 12t # 0EB

      2. B # R41 # 10 # 12l # 0EB



Tak seems even clearer to understand
macro, but I deliberately considered more
complex and cumbersome way to more
clear and deep explanations of the structure
Macro, for the User's Guide
usage examples, and constructing a macro call are considered to 
put it mildly baldly, vaguely, and they are designed for people 
with a deep enough knowledge of computer, the purpose of my 
article is a detailed introduce the novice user

very little experience. Third,
evaluate the benefit of the macro can only be
when you try them in action and after
that you have them, I sure did not give up.

 ***************************************


That came to an end our 2 meeting, I
I hope it was useful and instructive, and you are not in vain 
spent time in reading this article. In a previous article

I promised to tell you more about something, but
it proved difficult to describe without giving you
complete picture of all the details please components of the 
system, and macros in it occupy a very important place. 
Therefore, I slightly corrected the plans. Next time, I

continuing the theme of macros. We consider the most powerful 
and necessary macros - mezhoverleynye macros, an exemplary 
version of the Management System directory and the database 
using combinations makrosnyh and so much more interesting, so 
that as they say stay with us and you do not

lose.
 If you have any questions, please contact
by phone 4/7/1926.

 ***************************************


 APPENDIX N 1.



     1.Tablitsa control characters

     overlay of additional functions.



   Key Function

 D DelLN Remove string.
 U UnDL Insert Row.
 L LF Embed translate page

            LF, under the cursor.
 P Param Call Options menu.
 T Top cursor to the top of the file.
 B Bot cursor to the end of the file.
 S Save Save to disk wet-r-l
 F Find Call overlay search.
 E Exit Call menu exit.

 Keys
Exit menu

 D Dry exit "dry" output
 W Wet exit "wet" output
 L Leave Exit without writing to disk

 A transition on one line.
 Q Go to the line up.
 W Delete to end of line.
 C Output in the calculator.
 0 Remove from the cursor to

             end of line.
 A print driver (41/61sim
             ox).
 2 How to change the numbering

             lines.
 9 Inclusion pseudographics.

 Combinations

   Keys

 CS +4 cursor to the top of the line.
 CS +9 cursor to the end of the line.
 CS + Q on the bottom of the page.
 CS + A Page Up.
 SS + F Output Mode Format
             tion of the text.


 APPENDIX N 2.



    1.Tablitsa Governors (official)

       Character overlay macros.



  Symbol of Action


            1.Vypolnyaet closure

   # 0E lines of the macro itself

            2.Vypolnyaet closure of page

              macro on each other.


            . Acts as a repeat

             Telja in which:

   # Rx, yx - the number of repeats;

             y - the value of repeated

                 plot.


            Checks for empty
   # 12T thuja line to interrupt

            macro when it detects



    2.Tablitsa codes of the main keys.


Key Code Code Function Key Function

 CS +1 # 07 R. / LAT ENTER # 0D ENTER
 CS +2 # 06 BA / SMALL SPACE # 20 space
 CS +3 # 04 I. / OVR CS + SS # 0E Overlea
 CS +4 # 05 HOME SS + Q # 15 PgUp
 CS +5 # 08 LEFT SS + A # 10 PgDn
 CS +6 # 0A DOWN SS + W # 13 ERASE
 CS +7 # 0B UP SS + E # 14 INSERT
 CS +8 # 09 RIGHT SS + ENT # 11 Overlea
 CS +9 # 0F END SS + SP # 12 Overlea
 CS +0 # 0C DELETE CS + ENT # 17 ------