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20_09_87/KEYTXT
This website contains an archive of files for the Acorn Electron, BBC Micro, Acorn Archimedes, Commodore 16 and Commodore 64 computers, which Dominic Ford has rescued from his private collection of floppy disks and cassettes.
Some of these files were originally commercial releases in the 1980s and 1990s, but they are now widely available online. I assume that copyright over them is no longer being asserted. If you own the copyright and would like files to be removed, please contact me.
| Tape/disk: | Home » CEEFAX disks » telesoftware2.adl |
| Filename: | 20_09_87/KEYTXT |
| Read OK: | ✔ |
| File size: | 15E9 bytes |
| Load address: | 0000 |
| Exec address: | 0000 |
Duplicates
There is 1 duplicate copy of this file in the archive:
- CEEFAX disks » telesoftware1.adl » Utils/KEYINFO
- CEEFAX disks » telesoftware2.adl » 20_09_87/KEYTXT
File contents
KEYWORD: Novel, or just A Novelty?
KeyWord is a program which offers
a new way of looking at the
teletext service.
With KeyWord, you don't have to
follow through long chains of
index pages to find the
information you want. You simply
type in a keyword and the pages
containing that keyword are found
with a single teletext cycle.
In fact, anyone desperate to try
out this fun program should go off
and do so now - although this
document goes into some depth on
how to use KeyWord, you actually
know enough already to get 90% of
the benefit from using it. See you
later!
Welcome back... Now you've seen
the program in action the
instructions below might be easier
to follow.
You will soon learn the knack of
choosing your words carefully. It
is not very useful, for example,
to type NEWS as this will swamp
you with pages - many of which
will only be references to the
news pages elsewhere.
You should be more precise, and
key LATEST NEWS or SPORTS NEWS.
Sometimes, you may be too precise:
if you are waiting for the latest
red-hot political scandal, you may
have asked for MRS. THATCHER,
which would miss any items about
PRIME MINISTER THATCHER or
MARGARET HILDA THATCHER.
In this case, you would simply key
THATCHER.
*==*==*
The program also allows you to
find pages in the traditional way,
by number. However, if you simply
type in the number of the page you
want, KeyWord will think you are
looking for a page with that
number in it, as text.
To make sure KeyWord understands
that you want a page of that
number, first press function key
SHIFT-F0. The cursor will then
move up to the page number area
where you must type in a three
digit page number.
Notice that all special characters
in this system are shifted:
SHIFT-F0 to SHIFT-F9, and
SHIFT-RIGHT-ARROW, and
SHIFT-LEFT-ARROW. This may seem a
little awkward. The reason this
was done was to allow you to
re-distribute the functions to
whichever keys you prefer.
This is possible because the
unshifted keys remain as
soft-keys, including the cursor
keys and the copy-key. Thus you
can put the select-page command
mentioned above on, say, F4 by
issuing the command: *KEY 4 |!|@
F0 is |!|@, F1 is |!|A, and so on
up to F9 which is |!|I.
*==*==*
The other thing you will need to
be able to do is to change
channel. This is easily done. To
switch to channel two, press
SHIFT-F2, to channel three,
SHIFT-F3 and so on.
The KeyWord program has one other
feature of note: it has some very
sneaky code which can display the
screen in upper-half/lower-half
style just as televisions do.
This is a feature of the BBC Micro
that even the people at Acorn
didn't know about!
Unfortunately, it works by doing
strange things to the video chips,
and is not guaranteed to work on
everybody's system. So if it
works on yours, consider it a
bonus - if it doesn't, don't
complain!
The keys you use to get at all the
features mentioned in this file
are also summarised within the
program itself. You will get the
help page any time you press
escape.
*==*==*
The final comments on KeyWord are
concerned with the way pages are
stored and updated.
If a page contains the text string
which was requested, or the number
matches the number keyed, then the
page will be accepted.
Up to ten pages may be captured in
this way, and the 10 slots can be
filled very quickly indeed. (Try
looking for a page containing
simply the letter A, for example.)
Once those ten slots are full, no
more pages can be received until
you tell KeyWord that you have
seen the page you are looking at
and are ready to move on to the
next one.
You do this by pressing RETURN.
You will now see the next page on
the screen, and the highlight
cursor on the bottom row will move
on to the next slot.
This action has not only shown you
the next page, but has also told
the system that you are finished
with the page you have just looked
at. This allows KeyWord to put
any page for which it did not have
room into that discarded slot.
As you read each page in turn, the
cursor will advance one slot each
time, until you reach the tenth
slot - at which point it will wrap
round to the first slot again.
If there were less that ten pages
with the keyword in it, the
unfilled slots would have been
blank as you stepped through them.
Had you wanted to see the other
pages, but not discard the one you
were looking at above, you could
have wandered up and down the
slots by using the SHIFT-CURSOR
KEYS. SHIFT-RIGHT-ARROW is very
similar in effect to RETURN, with
the sole exception that the page
just vacated is NOT discarded, but
remains there until you go back to
it to discard it with the RETURN
key.
SHIFT-LEFT-ARROW works just like
its counterpart, but in the
reverse direction.
*==*==*
Finally, one tiny detail I
overlooked above: If ever a page
is received which has the same
page number AND sub-page number
(e.g. Page 701 subpage 8) as one
already stored, the system shall
update that page with the new
copy.
This is not problematic on BBC
channels, where every page has a
different sub-page number when it
should, however, it could be
confusing on the IBA channels
where different versions of a page
often share the same sub-page
number.
*==*==*
I realise this may have been more
detailed in places than you may
have wished - however you are now
armed with all the information to
make best use of KeyWord... so be
off, and have fun. Comments and
suggestions for improvement are
welcomed by the author.
Graham Toal,
Edinburgh Software Products,
1 Castle St.,
Edinburgh EH2 3AH.
00000000 0d 4b 45 59 57 4f 52 44 3a 20 4e 6f 76 65 6c 2c |.KEYWORD: Novel,| 00000010 20 6f 72 20 6a 75 73 74 20 41 20 4e 6f 76 65 6c | or just A Novel| 00000020 74 79 3f 0d 0d 4b 65 79 57 6f 72 64 20 69 73 20 |ty?..KeyWord is | 00000030 61 20 70 72 6f 67 72 61 6d 20 77 68 69 63 68 20 |a program which | 00000040 6f 66 66 65 72 73 0d 61 20 6e 65 77 20 77 61 79 |offers.a new way| 00000050 20 6f 66 20 6c 6f 6f 6b 69 6e 67 20 61 74 20 74 | of looking at t| 00000060 68 65 0d 74 65 6c 65 74 65 78 74 20 73 65 72 76 |he.teletext serv| 00000070 69 63 65 2e 0d 0d 57 69 74 68 20 4b 65 79 57 6f |ice...With KeyWo| 00000080 72 64 2c 20 79 6f 75 20 64 6f 6e 27 74 20 68 61 |rd, you don't ha| 00000090 76 65 20 74 6f 0d 66 6f 6c 6c 6f 77 20 74 68 72 |ve to.follow thr| 000000a0 6f 75 67 68 20 6c 6f 6e 67 20 63 68 61 69 6e 73 |ough long chains| 000000b0 20 6f 66 0d 69 6e 64 65 78 20 70 61 67 65 73 20 | of.index pages | 000000c0 74 6f 20 66 69 6e 64 20 74 68 65 0d 69 6e 66 6f |to find the.info| 000000d0 72 6d 61 74 69 6f 6e 20 79 6f 75 20 77 61 6e 74 |rmation you want| 000000e0 2e 20 20 59 6f 75 20 73 69 6d 70 6c 79 0d 74 79 |. You simply.ty| 000000f0 70 65 20 69 6e 20 61 20 6b 65 79 77 6f 72 64 20 |pe in a keyword | 00000100 61 6e 64 20 74 68 65 20 70 61 67 65 73 0d 63 6f |and the pages.co| 00000110 6e 74 61 69 6e 69 6e 67 20 74 68 61 74 20 6b 65 |ntaining that ke| 00000120 79 77 6f 72 64 20 61 72 65 20 66 6f 75 6e 64 0d |yword are found.| 00000130 77 69 74 68 20 61 20 73 69 6e 67 6c 65 20 74 65 |with a single te| 00000140 6c 65 74 65 78 74 20 63 79 63 6c 65 2e 0d 0d 49 |letext cycle...I| 00000150 6e 20 66 61 63 74 2c 20 61 6e 79 6f 6e 65 20 64 |n fact, anyone d| 00000160 65 73 70 65 72 61 74 65 20 74 6f 20 74 72 79 0d |esperate to try.| 00000170 6f 75 74 20 74 68 69 73 20 66 75 6e 20 70 72 6f |out this fun pro| 00000180 67 72 61 6d 20 73 68 6f 75 6c 64 20 67 6f 20 6f |gram should go o| 00000190 66 66 0d 61 6e 64 20 64 6f 20 73 6f 20 6e 6f 77 |ff.and do so now| 000001a0 20 2d 20 61 6c 74 68 6f 75 67 68 20 74 68 69 73 | - although this| 000001b0 0d 64 6f 63 75 6d 65 6e 74 20 67 6f 65 73 20 69 |.document goes i| 000001c0 6e 74 6f 20 73 6f 6d 65 20 64 65 70 74 68 20 6f |nto some depth o| 000001d0 6e 0d 68 6f 77 20 74 6f 20 75 73 65 20 4b 65 79 |n.how to use Key| 000001e0 57 6f 72 64 2c 20 79 6f 75 20 61 63 74 75 61 6c |Word, you actual| 000001f0 6c 79 0d 6b 6e 6f 77 20 65 6e 6f 75 67 68 20 61 |ly.know enough a| 00000200 6c 72 65 61 64 79 20 74 6f 20 67 65 74 20 39 30 |lready to get 90| 00000210 25 20 6f 66 0d 74 68 65 20 62 65 6e 65 66 69 74 |% of.the benefit| 00000220 20 66 72 6f 6d 20 75 73 69 6e 67 20 69 74 2e 20 | from using it. | 00000230 53 65 65 20 79 6f 75 0d 6c 61 74 65 72 21 0d 0d |See you.later!..| 00000240 57 65 6c 63 6f 6d 65 20 62 61 63 6b 2e 2e 2e 20 |Welcome back... | 00000250 4e 6f 77 20 79 6f 75 27 76 65 20 73 65 65 6e 0d |Now you've seen.| 00000260 74 68 65 20 70 72 6f 67 72 61 6d 20 69 6e 20 61 |the program in a| 00000270 63 74 69 6f 6e 20 74 68 65 0d 69 6e 73 74 72 75 |ction the.instru| 00000280 63 74 69 6f 6e 73 20 62 65 6c 6f 77 20 6d 69 67 |ctions below mig| 00000290 68 74 20 62 65 20 65 61 73 69 65 72 0d 74 6f 20 |ht be easier.to | 000002a0 66 6f 6c 6c 6f 77 2e 0d 0d 59 6f 75 20 77 69 6c |follow...You wil| 000002b0 6c 20 73 6f 6f 6e 20 6c 65 61 72 6e 20 74 68 65 |l soon learn the| 000002c0 20 6b 6e 61 63 6b 20 6f 66 0d 63 68 6f 6f 73 69 | knack of.choosi| 000002d0 6e 67 20 79 6f 75 72 20 77 6f 72 64 73 20 63 61 |ng your words ca| 000002e0 72 65 66 75 6c 6c 79 2e 20 20 49 74 0d 69 73 20 |refully. It.is | 000002f0 6e 6f 74 20 76 65 72 79 20 75 73 65 66 75 6c 2c |not very useful,| 00000300 20 66 6f 72 20 65 78 61 6d 70 6c 65 2c 0d 74 6f | for example,.to| 00000310 20 74 79 70 65 20 4e 45 57 53 20 61 73 20 74 68 | type NEWS as th| 00000320 69 73 20 77 69 6c 6c 20 73 77 61 6d 70 0d 79 6f |is will swamp.yo| 00000330 75 20 77 69 74 68 20 70 61 67 65 73 20 2d 20 6d |u with pages - m| 00000340 61 6e 79 20 6f 66 20 77 68 69 63 68 0d 77 69 6c |any of which.wil| 00000350 6c 20 6f 6e 6c 79 20 62 65 20 72 65 66 65 72 65 |l only be refere| 00000360 6e 63 65 73 20 74 6f 20 74 68 65 0d 6e 65 77 73 |nces to the.news| 00000370 20 70 61 67 65 73 20 65 6c 73 65 77 68 65 72 65 | pages elsewhere| 00000380 2e 0d 0d 59 6f 75 20 73 68 6f 75 6c 64 20 62 65 |...You should be| 00000390 20 6d 6f 72 65 20 70 72 65 63 69 73 65 2c 20 61 | more precise, a| 000003a0 6e 64 0d 6b 65 79 20 4c 41 54 45 53 54 20 4e 45 |nd.key LATEST NE| 000003b0 57 53 20 6f 72 20 53 50 4f 52 54 53 20 4e 45 57 |WS or SPORTS NEW| 000003c0 53 2e 0d 0d 53 6f 6d 65 74 69 6d 65 73 2c 20 79 |S...Sometimes, y| 000003d0 6f 75 20 6d 61 79 20 62 65 20 74 6f 6f 20 70 72 |ou may be too pr| 000003e0 65 63 69 73 65 3a 0d 69 66 20 79 6f 75 20 61 72 |ecise:.if you ar| 000003f0 65 20 77 61 69 74 69 6e 67 20 66 6f 72 20 74 68 |e waiting for th| 00000400 65 20 6c 61 74 65 73 74 0d 72 65 64 2d 68 6f 74 |e latest.red-hot| 00000410 20 70 6f 6c 69 74 69 63 61 6c 20 73 63 61 6e 64 | political scand| 00000420 61 6c 2c 20 79 6f 75 20 6d 61 79 0d 68 61 76 65 |al, you may.have| 00000430 20 61 73 6b 65 64 20 66 6f 72 20 4d 52 53 2e 20 | asked for MRS. | 00000440 54 48 41 54 43 48 45 52 2c 0d 77 68 69 63 68 20 |THATCHER,.which | 00000450 77 6f 75 6c 64 20 6d 69 73 73 20 61 6e 79 20 69 |would miss any i| 00000460 74 65 6d 73 20 61 62 6f 75 74 0d 50 52 49 4d 45 |tems about.PRIME| 00000470 20 4d 49 4e 49 53 54 45 52 20 54 48 41 54 43 48 | MINISTER THATCH| 00000480 45 52 20 6f 72 0d 4d 41 52 47 41 52 45 54 20 48 |ER or.MARGARET H| 00000490 49 4c 44 41 20 54 48 41 54 43 48 45 52 2e 0d 0d |ILDA THATCHER...| 000004a0 49 6e 20 74 68 69 73 20 63 61 73 65 2c 20 79 6f |In this case, yo| 000004b0 75 20 77 6f 75 6c 64 20 73 69 6d 70 6c 79 20 6b |u would simply k| 000004c0 65 79 0d 54 48 41 54 43 48 45 52 2e 0d 0d 20 20 |ey.THATCHER... | 000004d0 20 20 20 20 20 20 20 20 20 20 2a 3d 3d 2a 3d 3d | *==*==| 000004e0 2a 0d 0d 54 68 65 20 70 72 6f 67 72 61 6d 20 61 |*..The program a| 000004f0 6c 73 6f 20 61 6c 6c 6f 77 73 20 79 6f 75 20 74 |lso allows you t| 00000500 6f 0d 66 69 6e 64 20 70 61 67 65 73 20 69 6e 20 |o.find pages in | 00000510 74 68 65 20 74 72 61 64 69 74 69 6f 6e 61 6c 20 |the traditional | 00000520 77 61 79 2c 0d 62 79 20 6e 75 6d 62 65 72 2e 20 |way,.by number. | 00000530 20 48 6f 77 65 76 65 72 2c 20 69 66 20 79 6f 75 | However, if you| 00000540 20 73 69 6d 70 6c 79 0d 74 79 70 65 20 69 6e 20 | simply.type in | 00000550 74 68 65 20 6e 75 6d 62 65 72 20 6f 66 20 74 68 |the number of th| 00000560 65 20 70 61 67 65 20 79 6f 75 0d 77 61 6e 74 2c |e page you.want,| 00000570 20 4b 65 79 57 6f 72 64 20 77 69 6c 6c 20 74 68 | KeyWord will th| 00000580 69 6e 6b 20 79 6f 75 20 61 72 65 0d 6c 6f 6f 6b |ink you are.look| 00000590 69 6e 67 20 66 6f 72 20 61 20 70 61 67 65 20 77 |ing for a page w| 000005a0 69 74 68 20 74 68 61 74 0d 6e 75 6d 62 65 72 20 |ith that.number | 000005b0 69 6e 20 69 74 2c 20 61 73 20 74 65 78 74 2e 0d |in it, as text..| 000005c0 0d 54 6f 20 6d 61 6b 65 20 73 75 72 65 20 4b 65 |.To make sure Ke| 000005d0 79 57 6f 72 64 20 75 6e 64 65 72 73 74 61 6e 64 |yWord understand| 000005e0 73 0d 74 68 61 74 20 79 6f 75 20 77 61 6e 74 20 |s.that you want | 000005f0 61 20 70 61 67 65 20 6f 66 20 74 68 61 74 0d 6e |a page of that.n| 00000600 75 6d 62 65 72 2c 20 66 69 72 73 74 20 70 72 65 |umber, first pre| 00000610 73 73 20 66 75 6e 63 74 69 6f 6e 20 6b 65 79 0d |ss function key.| 00000620 53 48 49 46 54 2d 46 30 2e 20 20 54 68 65 20 63 |SHIFT-F0. The c| 00000630 75 72 73 6f 72 20 77 69 6c 6c 20 74 68 65 6e 0d |ursor will then.| 00000640 6d 6f 76 65 20 75 70 20 74 6f 20 74 68 65 20 70 |move up to the p| 00000650 61 67 65 20 6e 75 6d 62 65 72 20 61 72 65 61 0d |age number area.| 00000660 77 68 65 72 65 20 79 6f 75 20 6d 75 73 74 20 74 |where you must t| 00000670 79 70 65 20 69 6e 20 61 20 74 68 72 65 65 0d 64 |ype in a three.d| 00000680 69 67 69 74 20 70 61 67 65 20 6e 75 6d 62 65 72 |igit page number| 00000690 2e 0d 0d 4e 6f 74 69 63 65 20 74 68 61 74 20 61 |...Notice that a| 000006a0 6c 6c 20 73 70 65 63 69 61 6c 20 63 68 61 72 61 |ll special chara| 000006b0 63 74 65 72 73 0d 69 6e 20 74 68 69 73 20 73 79 |cters.in this sy| 000006c0 73 74 65 6d 20 61 72 65 20 73 68 69 66 74 65 64 |stem are shifted| 000006d0 3a 0d 53 48 49 46 54 2d 46 30 20 74 6f 20 53 48 |:.SHIFT-F0 to SH| 000006e0 49 46 54 2d 46 39 2c 20 61 6e 64 0d 53 48 49 46 |IFT-F9, and.SHIF| 000006f0 54 2d 52 49 47 48 54 2d 41 52 52 4f 57 2c 20 61 |T-RIGHT-ARROW, a| 00000700 6e 64 0d 53 48 49 46 54 2d 4c 45 46 54 2d 41 52 |nd.SHIFT-LEFT-AR| 00000710 52 4f 57 2e 20 54 68 69 73 20 6d 61 79 20 73 65 |ROW. This may se| 00000720 65 6d 20 61 0d 6c 69 74 74 6c 65 20 61 77 6b 77 |em a.little awkw| 00000730 61 72 64 2e 20 20 54 68 65 20 72 65 61 73 6f 6e |ard. The reason| 00000740 20 74 68 69 73 0d 77 61 73 20 64 6f 6e 65 20 77 | this.was done w| 00000750 61 73 20 74 6f 20 61 6c 6c 6f 77 20 79 6f 75 20 |as to allow you | 00000760 74 6f 0d 72 65 2d 64 69 73 74 72 69 62 75 74 65 |to.re-distribute| 00000770 20 74 68 65 20 66 75 6e 63 74 69 6f 6e 73 20 74 | the functions t| 00000780 6f 0d 77 68 69 63 68 65 76 65 72 20 6b 65 79 73 |o.whichever keys| 00000790 20 79 6f 75 20 70 72 65 66 65 72 2e 20 0d 0d 54 | you prefer. ..T| 000007a0 68 69 73 20 69 73 20 70 6f 73 73 69 62 6c 65 20 |his is possible | 000007b0 62 65 63 61 75 73 65 20 74 68 65 0d 75 6e 73 68 |because the.unsh| 000007c0 69 66 74 65 64 20 6b 65 79 73 20 72 65 6d 61 69 |ifted keys remai| 000007d0 6e 20 61 73 0d 73 6f 66 74 2d 6b 65 79 73 2c 20 |n as.soft-keys, | 000007e0 69 6e 63 6c 75 64 69 6e 67 20 74 68 65 20 63 75 |including the cu| 000007f0 72 73 6f 72 0d 6b 65 79 73 20 61 6e 64 20 74 68 |rsor.keys and th| 00000800 65 20 63 6f 70 79 2d 6b 65 79 2e 20 20 54 68 75 |e copy-key. Thu| 00000810 73 20 79 6f 75 0d 63 61 6e 20 70 75 74 20 74 68 |s you.can put th| 00000820 65 20 73 65 6c 65 63 74 2d 70 61 67 65 20 63 6f |e select-page co| 00000830 6d 6d 61 6e 64 0d 6d 65 6e 74 69 6f 6e 65 64 20 |mmand.mentioned | 00000840 61 62 6f 76 65 20 6f 6e 2c 20 73 61 79 2c 20 46 |above on, say, F| 00000850 34 20 62 79 0d 69 73 73 75 69 6e 67 20 74 68 65 |4 by.issuing the| 00000860 20 63 6f 6d 6d 61 6e 64 3a 20 2a 4b 45 59 20 34 | command: *KEY 4| 00000870 20 7c 21 7c 40 0d 0d 46 30 20 69 73 20 7c 21 7c | |!|@..F0 is |!|| 00000880 40 2c 20 46 31 20 69 73 20 7c 21 7c 41 2c 20 61 |@, F1 is |!|A, a| 00000890 6e 64 20 73 6f 20 6f 6e 0d 75 70 20 74 6f 20 46 |nd so on.up to F| 000008a0 39 20 77 68 69 63 68 20 69 73 20 7c 21 7c 49 2e |9 which is |!|I.| 000008b0 0d 0d 20 20 20 20 20 20 20 20 20 20 20 20 20 2a |.. *| 000008c0 3d 3d 2a 3d 3d 2a 0d 0d 54 68 65 20 6f 74 68 65 |==*==*..The othe| 000008d0 72 20 74 68 69 6e 67 20 79 6f 75 20 77 69 6c 6c |r thing you will| 000008e0 20 6e 65 65 64 20 74 6f 0d 62 65 20 61 62 6c 65 | need to.be able| 000008f0 20 74 6f 20 64 6f 20 69 73 20 74 6f 20 63 68 61 | to do is to cha| 00000900 6e 67 65 0d 63 68 61 6e 6e 65 6c 2e 20 20 54 68 |nge.channel. Th| 00000910 69 73 20 69 73 20 65 61 73 69 6c 79 20 64 6f 6e |is is easily don| 00000920 65 2e 20 20 54 6f 0d 73 77 69 74 63 68 20 74 6f |e. To.switch to| 00000930 20 63 68 61 6e 6e 65 6c 20 74 77 6f 2c 20 70 72 | channel two, pr| 00000940 65 73 73 0d 53 48 49 46 54 2d 46 32 2c 20 74 6f |ess.SHIFT-F2, to| 00000950 20 63 68 61 6e 6e 65 6c 20 74 68 72 65 65 2c 0d | channel three,.| 00000960 53 48 49 46 54 2d 46 33 20 61 6e 64 20 73 6f 20 |SHIFT-F3 and so | 00000970 6f 6e 2e 0d 0d 54 68 65 20 4b 65 79 57 6f 72 64 |on...The KeyWord| 00000980 20 70 72 6f 67 72 61 6d 20 68 61 73 20 6f 6e 65 | program has one| 00000990 20 6f 74 68 65 72 0d 66 65 61 74 75 72 65 20 6f | other.feature o| 000009a0 66 20 6e 6f 74 65 3a 20 20 69 74 20 68 61 73 20 |f note: it has | 000009b0 73 6f 6d 65 20 76 65 72 79 0d 73 6e 65 61 6b 79 |some very.sneaky| 000009c0 20 63 6f 64 65 20 77 68 69 63 68 20 63 61 6e 20 | code which can | 000009d0 64 69 73 70 6c 61 79 20 74 68 65 0d 73 63 72 65 |display the.scre| 000009e0 65 6e 20 69 6e 20 75 70 70 65 72 2d 68 61 6c 66 |en in upper-half| 000009f0 2f 6c 6f 77 65 72 2d 68 61 6c 66 0d 73 74 79 6c |/lower-half.styl| 00000a00 65 20 6a 75 73 74 20 61 73 20 74 65 6c 65 76 69 |e just as televi| 00000a10 73 69 6f 6e 73 20 64 6f 2e 20 0d 54 68 69 73 20 |sions do. .This | 00000a20 69 73 20 61 20 66 65 61 74 75 72 65 20 6f 66 20 |is a feature of | 00000a30 74 68 65 20 42 42 43 20 4d 69 63 72 6f 0d 74 68 |the BBC Micro.th| 00000a40 61 74 20 65 76 65 6e 20 74 68 65 20 70 65 6f 70 |at even the peop| 00000a50 6c 65 20 61 74 20 41 63 6f 72 6e 0d 64 69 64 6e |le at Acorn.didn| 00000a60 27 74 20 6b 6e 6f 77 20 61 62 6f 75 74 21 0d 0d |'t know about!..| 00000a70 55 6e 66 6f 72 74 75 6e 61 74 65 6c 79 2c 20 69 |Unfortunately, i| 00000a80 74 20 77 6f 72 6b 73 20 62 79 20 64 6f 69 6e 67 |t works by doing| 00000a90 0d 73 74 72 61 6e 67 65 20 74 68 69 6e 67 73 20 |.strange things | 00000aa0 74 6f 20 74 68 65 20 76 69 64 65 6f 20 63 68 69 |to the video chi| 00000ab0 70 73 2c 0d 61 6e 64 20 69 73 20 6e 6f 74 20 67 |ps,.and is not g| 00000ac0 75 61 72 61 6e 74 65 65 64 20 74 6f 20 77 6f 72 |uaranteed to wor| 00000ad0 6b 20 6f 6e 0d 65 76 65 72 79 62 6f 64 79 27 73 |k on.everybody's| 00000ae0 20 73 79 73 74 65 6d 2e 20 20 53 6f 20 69 66 20 | system. So if | 00000af0 69 74 0d 77 6f 72 6b 73 20 6f 6e 20 79 6f 75 72 |it.works on your| 00000b00 73 2c 20 63 6f 6e 73 69 64 65 72 20 69 74 20 61 |s, consider it a| 00000b10 0d 62 6f 6e 75 73 20 2d 20 69 66 20 69 74 20 64 |.bonus - if it d| 00000b20 6f 65 73 6e 27 74 2c 20 64 6f 6e 27 74 0d 63 6f |oesn't, don't.co| 00000b30 6d 70 6c 61 69 6e 21 0d 0d 54 68 65 20 6b 65 79 |mplain!..The key| 00000b40 73 20 79 6f 75 20 75 73 65 20 74 6f 20 67 65 74 |s you use to get| 00000b50 20 61 74 20 61 6c 6c 20 74 68 65 0d 66 65 61 74 | at all the.feat| 00000b60 75 72 65 73 20 6d 65 6e 74 69 6f 6e 65 64 20 69 |ures mentioned i| 00000b70 6e 20 74 68 69 73 20 66 69 6c 65 0d 61 72 65 20 |n this file.are | 00000b80 61 6c 73 6f 20 73 75 6d 6d 61 72 69 73 65 64 20 |also summarised | 00000b90 77 69 74 68 69 6e 20 74 68 65 0d 70 72 6f 67 72 |within the.progr| 00000ba0 61 6d 20 69 74 73 65 6c 66 2e 20 20 59 6f 75 20 |am itself. 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