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12-03-89/Guide

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 » telesoftware14.adl
Filename: 12-03-89/Guide
Read OK:
File size: 18BF bytes
Load address: FFFF0E00
Exec address: FFFF802B
File contents
   10MODE7:VDU23;10,1;0;0;0;23;8,144,0;0;0;23;9,9,0;0;0;23;10,&69,0;0;0;23;8202;0;0;0;
   20*FX210,1
   30PROChead:PROCdata
   40END
   50DEFPROCA(X,Y,O$):PRINTTAB(X,Y);:FORP=1TOLENO$:VDU32:PRINTMID$(O$,P,1);:VDU8,8:PRINTMID$(O$,P,1);:SOUND0,-7,253,1:NEXTP:VDU9,127:ENDPROC
   60DEFPROCspc:PRINTTAB(8,23)"Press Space to proceed";:A=GET:IF A=32THEN ENDPROC ELSE PROCspc:ENDPROC
   70DEFPROCw:P=INKEY50:ENDPROC
   80DEFPROChead:VDU28,0,23,39,0,12:FORA=0TO1:PRINTCHR$131CHR$157CHR$132CHR$141SPC9"Teletext Guide":NEXTA:ENDPROC
   90DEFPROCdata
  100O$="This section is designed to explain the various codes used in teletext. Since   this program is designed for use on any standard Acorn machine the codes are thestandard teletext codes."
  110PROCA(0,4,O$)
  120O$="To be fair however this datafile also   lists the few extended commands not usedon the BBC (B B+ and MASTER) but are    used on Television teletext to produce  special displays.":PROCA(0,11,O$)
  130O$="�A.�Alphanumeric Colour Codes":PROCA(0,18,O$):O$="�B.�Graphic Colour Codes":PROCA(0,19,O$):O$="�C.�Special Effects Codes":PROCA(0,20,O$):O$="�D.�Not implemented Special Effects":PROCA(0,21,O$):O$="�E.�Exit to main menu"
  140PROCA(0,22,O$)
  150A=GET
  160IF A=65 THEN PROCa
  170IF A=66 THEN PROCb
  180IF A=67 THEN PROCc
  190IF A=68 THEN PROCd
  200IF A=69 CHAIN"Menu"
  210GOTO150
  220END
  230DEFPROCa:VDU28,0,23,39,0,12:FORA=0TO1:PRINTSPC9CHR$141"Alphanumeric codes":NEXTA
  240O$="Teletext uses a number of control codes to alter the way text & graphics appear on the screen.":PROCA(0,4,O$)
  250O$="Alphanumeric means 'to effect text' and thats exactly what alpha codes do.      The codes I normally call alpha codes   are found on the ten function keys f0-f9and are used in normal teletext by hold--ing SHIFT and the function."
  260PROCA(0,8,O$):O$=" key.":PROCA(27,13,O$)
  270O$="Teletext works by the placement of codeson the screen. Everytime a code is put  onto the screen it will then affect any thing directly to the right of the code on that same line.":PROCA(0,15,O$)
  280PROCspc
  290VDU28,0,23,39,0,12:FORA=0TO1:PRINTSPC9CHR$141"Alphanumeric codes":NEXTA
  300O$="The keys used to produce coloured text  in mode seven are f1 to f7 and will giveus the following colours in order:":PROCA(0,4,O$)
  310O$="Shift+f1 =�red text�like this!":PROCA(0,8,O$):O$="Shift+f2 =�green":PROCA(0,9,O$):O$="Shift+f3 =�yellow":PROCA(0,10,O$):O$="Shift+f4 =�blue":PROCA(0,11,O$):O$="Shift+f5 =�magenta":PROCA(0,12,O$)
  320O$="Shift+f6 =�cyan":PROCA(0,13,O$):O$="Shift+f7 = white":PROCA(0,14,O$)
  330O$="As you may have noticed... the first of the colours changes from red to white   halfway along the line. This is due to  the fact that I have inserted another   control code in the 'space' between the word (text) and (like)"
  340PROCA(0,16,O$)
  350PROCspc
  360VDU28,0,24,39,16,12,28,0,24,39,0
  370O$="The so called 'space' is in fact the    position taken by the control code. The code itself is invisible, but affects   the data to the right of the code.":PROCA(0,16,O$)
  380O$="The codes can also be called up by the  placement of the codes unique three     digit ASCII code.":PROCA(0,21,O$)
  390A=INKEY255
  400O$=" Code129   ":PROCA(19,8,O$):O$="Code130":PROCA(20,9,O$):O$="Code131":PROCA(20,10,O$):O$="Code132":PROCA(20,11,O$):O$="Code133":PROCA(20,12,O$):O$="Code134":PROCA(20,13,O$):O$="Code135":PROCA(20,14,O$)
  410VDU28,0,24,39,16,12,28,0,24,39,0:PROCspc:PROChead:PROCdata
  420ENDPROC
  430DEFPROCb:VDU28,0,23,39,0,12:FORA=0TO1:PRINTSPC11CHR$141"Graphic codes":NEXTA
  440O$="Graphic codes do exactly the same job astheir text counterparts only they are   designed to effect the way the characterset behaves. The special codes can altera standard�numeric�or�lower case�set    character into a graphic."
  450PROCA(0,4,O$):O$=" shape.":PROCA(24,9,O$)
  460O$="Ctrl+f1 =�graphic red�abcdefghijkl":PROCA(0,11,O$):O$="Ctrl+f2 =�graphic grn�abcdefghijkl":PROCA(0,12,O$):O$="Ctrl+f3 =�graphic yel�abcdefghijkl":PROCA(0,13,O$)
  470O$="Ctrl+f4 =�graphic blu�abcdefghijkl":PROCA(0,14,O$)
  480O$="Ctrl+f5 =�graphic mag�abcdefghijkl":PROCA(0,15,O$)
  490O$="Ctrl+f6 =�graphic cyn�abcdefghijkl":PROCA(0,16,O$)
  500O$="As you can see there are a number of    graphic shapes following the colour     charts.":PROCA(0,18,O$)
  510O$="These shapes are all lower case letters that have been altered by the use of a  graphics code. See:�q�=q":PROCA(0,21,O$)
  520A=INKEY255:VDU28,0,23,39,0,12:FORA=0TO1:PRINTSPC11CHR$141"Graphic codes":NEXTA:O$="There now follows a complete chart of   all the graphics characters.":PROCA(0,4,O$)
  530O$="�a b c d e f g h i j k l m�"
  540PROCA(5,7,O$)
  550O$=" a b c d e f g h i j k l m "
  560PROCA(5,8,O$)
  570O$="�n o p q r s t u v w x y z�"
  580PROCA(5,9,O$)
  590O$=" n o p q r s t u v w x y z "
  600PROCA(5,10,O$)
  610O$="�0 1 2 3 4 5 6 7 8 9 ��"
  620PROCA(5,11,O$)
  630O$=" 0 1 2 3 4 5 6 7 8 9 � "
  640PROCA(5,12,O$)
  650O$="�! � # $ % & ' ( ) = - ~ ^�"
  660PROCA(5,13,O$)
  670O$=" ! � # $ % & ' ( ) = - ~ ^ "
  680PROCA(5,14,O$)
  690O$="�| \ @ [ { _ ` ; + * : } ]�"
  700PROCA(5,15,O$)
  710O$=" | \ @ [ { _ ` ; + * : } ] "
  720PROCA(5,16,O$)
  730O$="�, < . > / ?�"
  740PROCA(5,17,O$)
  750O$=" , < . > / ? "
  760PROCA(5,18,O$)
  770O$="The characters are taken from six pixelsthat make up a character the size of onestandard Text character ��":PROCA(0,20,O$)
  780REM EXPFALSEINSTR(PIINKEY$OSCLI   INKEY$PIINSTR(FALSEEXP
  790FORK=0TO2:PROCw
  800PRINTTAB(26,22)"�":PROCw:PRINTTAB(26,22)"�":PROCw:PRINTTAB(26,22)"'":PROCw:PRINTTAB(26,22)"/":PROCw:PRINTTAB(26,22)"?":PROCw:PRINTTAB(26,22)"�":PROCw:PRINTTAB(26,22)"?":PROCw:PRINTTAB(26,22)"/":PROCw:PRINTTAB(26,22)"'":PROCw:PRINTTAB(26,22)"?":PROCw:PRINTTAB(26,22)"!"
  810PROCw:NEXTK
  820A=INKEY255:PROChead:PROCdata
  830ENDPROC
  840DEFPROCc:VDU28,0,24,39,0,12:FORA=0TO1:PRINTSPC10CHR$141"Special Effects":NEXTA
  850O$="These effects are normally not all      available from the function keys but    have to be selected by typing their own special three digit number. These effectcodes are:":PROCA(0,4,O$)
  860O$="Normal height�<code 140>":PROCA(0,10,O$):O$="Double height�<code 141>":PROCA(0,11,O$):O$="Black background�<code 156>":PROCA(0,12,O$):O$="New background�<code 157>":PROCA(0,13,O$)
  870O$="Hold graphics�<code 158>":PROCA(0,14,O$):O$="Release graphics�<code 159>":PROCA(0,15,O$):O$="Flash�<code 136>":PROCA(0,16,O$):O$="Steady�<code 137>":PROCA(0,17,O$):O$="Conceal display�<code 152>":PROCA(0,18,O$)
  880O$="Contiguous Graphic set�<code 153>":PROCA(0,19,O$):O$="Seperated Graphic set�<code 154>":PROCA(0,20,O$)
  890PROCspc
  900PROChead:PROCdata
  910ENDPROC
  920DEFPROCd:VDU28,0,24,39,0,12:FORA=0TO1:PRINTSPC8CHR$141"N/A & Unlisted Codes":NEXTA
  930O$="Broadcast teletext uses a number of codeeffects not shown in the BBC manuals.   These effects are specially used for    televison programmes.":PROCA(0,4,O$)
  940O$="The following are not listed:":PROCA(0,9,O$)
  950O$="�&8B�start box�(139)":PROCA(0,11,O$):O$="�&8A�end box  �(138)":PROCA(0,12,O$)
  960O$="These codes are used to create a black  box surrounding any subtitled text on   the screen or in any special screen     messages such as�CEEFAX's�Latest news   system.":PROCA(0,14,O$)
  970PROCspc:PROChead:PROCdata
  980ENDPROC

P�7:�23;10,1;0;0;0;23;8,144,0;0;0;23;9,9,0;0;0;23;10,&69,0;0;0;23;8202;0;0;0;
*FX210,1
�head:�data
(�
2W��A(X,Y,O$):�X,Y);:�P=1��O$:�32:�O$,P,1);:�8,8:�O$,P,1);:�0,-7,253,1:�P:�9,127:�
<A��spc:�8,23)"Press Space to proceed";:A=�:� A=32� � � �spc:�
F��w:P=�50:�
PK��head:�28,0,23,39,0,12:�A=0�1:�131�157�132�141�9"Teletext Guide":�A:�
Z
��data
d�O$="This section is designed to explain the various codes used in teletext. Since   this program is designed for use on any standard Acorn machine the codes are thestandard teletext codes."
n�A(0,4,O$)
x�O$="To be fair however this datafile also   lists the few extended commands not usedon the BBC (B B+ and MASTER) but are    used on Television teletext to produce  special displays.":�A(0,11,O$)
��O$="�A.�Alphanumeric Colour Codes":�A(0,18,O$):O$="�B.�Graphic Colour Codes":�A(0,19,O$):O$="�C.�Special Effects Codes":�A(0,20,O$):O$="�D.�Not implemented Special Effects":�A(0,21,O$):O$="�E.�Exit to main menu"
��A(0,22,O$)
�A=�
�� A=65 � �a
�� A=66 � �b
�� A=67 � �c
�� A=68 � �d
�� A=69 �"Menu"
�	�tV@
��
�>��a:�28,0,23,39,0,12:�A=0�1:�9�141"Alphanumeric codes":�A
�rO$="Teletext uses a number of control codes to alter the way text & graphics appear on the screen.":�A(0,4,O$)
��O$="Alphanumeric means 'to effect text' and thats exactly what alpha codes do.      The codes I normally call alpha codes   are found on the ten function keys f0-f9and are used in normal teletext by hold--ing SHIFT and the function."
&�A(0,8,O$):O$=" key.":�A(27,13,O$)
�O$="Teletext works by the placement of codeson the screen. Everytime a code is put  onto the screen it will then affect any thing directly to the right of the code on that same line.":�A(0,15,O$)
�spc
":�28,0,23,39,0,12:�A=0�1:�9�141"Alphanumeric codes":�A
,�O$="The keys used to produce coloured text  in mode seven are f1 to f7 and will giveus the following colours in order:":�A(0,4,O$)
6�O$="Shift+f1 =�red text�like this!":�A(0,8,O$):O$="Shift+f2 =�green":�A(0,9,O$):O$="Shift+f3 =�yellow":�A(0,10,O$):O$="Shift+f4 =�blue":�A(0,11,O$):O$="Shift+f5 =�magenta":�A(0,12,O$)
@FO$="Shift+f6 =�cyan":�A(0,13,O$):O$="Shift+f7 = white":�A(0,14,O$)
J�O$="As you may have noticed... the first of the colours changes from red to white   halfway along the line. This is due to  the fact that I have inserted another   control code in the 'space' between the word (text) and (like)"
T�A(0,16,O$)
^�spc
h"�28,0,24,39,16,12,28,0,24,39,0
r�O$="The so called 'space' is in fact the    position taken by the control code. The code itself is invisible, but affects   the data to the right of the code.":�A(0,16,O$)
|vO$="The codes can also be called up by the  placement of the codes unique three     digit ASCII code.":�A(0,21,O$)
�
A=�255
��O$=" Code129   ":�A(19,8,O$):O$="Code130":�A(20,9,O$):O$="Code131":�A(20,10,O$):O$="Code132":�A(20,11,O$):O$="Code133":�A(20,12,O$):O$="Code134":�A(20,13,O$):O$="Code135":�A(20,14,O$)
�3�28,0,24,39,16,12,28,0,24,39,0:�spc:�head:�data
��
�:��b:�28,0,23,39,0,12:�A=0�1:�11�141"Graphic codes":�A
��O$="Graphic codes do exactly the same job astheir text counterparts only they are   designed to effect the way the characterset behaves. The special codes can altera standard�numeric�or�lower case�set    character into a graphic."
�'�A(0,4,O$):O$=" shape.":�A(24,9,O$)
̟O$="Ctrl+f1 =�graphic red�abcdefghijkl":�A(0,11,O$):O$="Ctrl+f2 =�graphic grn�abcdefghijkl":�A(0,12,O$):O$="Ctrl+f3 =�graphic yel�abcdefghijkl":�A(0,13,O$)
�7O$="Ctrl+f4 =�graphic blu�abcdefghijkl":�A(0,14,O$)
�7O$="Ctrl+f5 =�graphic mag�abcdefghijkl":�A(0,15,O$)
�7O$="Ctrl+f6 =�graphic cyn�abcdefghijkl":�A(0,16,O$)
�lO$="As you can see there are a number of    graphic shapes following the colour     charts.":�A(0,18,O$)
�}O$="These shapes are all lower case letters that have been altered by the use of a  graphics code. See:�q�=q":�A(0,21,O$)
�A=�255:�28,0,23,39,0,12:�A=0�1:�11�141"Graphic codes":�A:O$="There now follows a complete chart of   all the graphics characters.":�A(0,4,O$)
$O$="�a b c d e f g h i j k l m�"
�A(5,7,O$)
&$O$=" a b c d e f g h i j k l m "
0�A(5,8,O$)
:$O$="�n o p q r s t u v w x y z�"
D�A(5,9,O$)
N$O$=" n o p q r s t u v w x y z "
X�A(5,10,O$)
b O$="�0 1 2 3 4 5 6 7 8 9 ��"
l�A(5,11,O$)
v O$=" 0 1 2 3 4 5 6 7 8 9 � "
��A(5,12,O$)
�$O$="�! � # $ % & ' ( ) = - ~ ^�"
��A(5,13,O$)
�$O$=" ! � # $ % & ' ( ) = - ~ ^ "
��A(5,14,O$)
�$O$="�| \ @ [ { _ ` ; + * : } ]�"
��A(5,15,O$)
�$O$=" | \ @ [ { _ ` ; + * : } ] "
��A(5,16,O$)
�O$="�, < . > / ?�"
��A(5,17,O$)
�O$=" , < . > / ? "
��A(5,18,O$)
O$="The characters are taken from six pixelsthat make up a character the size of onestandard Text character ��":�A(0,20,O$)
� ������   �����

�K=0�2:�w
 ��26,22)"�":�w:�26,22)"�":�w:�26,22)"'":�w:�26,22)"/":�w:�26,22)"?":�w:�26,22)"�":�w:�26,22)"?":�w:�26,22)"/":�w:�26,22)"'":�w:�26,22)"?":�w:�26,22)"!"
*	�w:�K
4A=�255:�head:�data
>�
H<��c:�28,0,24,39,0,12:�A=0�1:�10�141"Special Effects":�A
R�O$="These effects are normally not all      available from the function keys but    have to be selected by typing their own special three digit number. These effectcodes are:":�A(0,4,O$)
\�O$="Normal height�<code 140>":�A(0,10,O$):O$="Double height�<code 141>":�A(0,11,O$):O$="Black background�<code 156>":�A(0,12,O$):O$="New background�<code 157>":�A(0,13,O$)
f�O$="Hold graphics�<code 158>":�A(0,14,O$):O$="Release graphics�<code 159>":�A(0,15,O$):O$="Flash�<code 136>":�A(0,16,O$):O$="Steady�<code 137>":�A(0,17,O$):O$="Conceal display�<code 152>":�A(0,18,O$)
phO$="Contiguous Graphic set�<code 153>":�A(0,19,O$):O$="Seperated Graphic set�<code 154>":�A(0,20,O$)
z�spc
��head:�data
��
�@��d:�28,0,24,39,0,12:�A=0�1:�8�141"N/A & Unlisted Codes":�A
��O$="Broadcast teletext uses a number of codeeffects not shown in the BBC manuals.   These effects are specially used for    televison programmes.":�A(0,4,O$)
�1O$="The following are not listed:":�A(0,9,O$)
�OO$="�&8B�start box�(139)":�A(0,11,O$):O$="�&8A�end box  �(138)":�A(0,12,O$)
��O$="These codes are used to create a black  box surrounding any subtitled text on   the screen or in any special screen     messages such as�CEEFAX's�Latest news   system.":�A(0,14,O$)
��spc:�head:�data
��
�
00000000  0d 00 0a 50 eb 37 3a ef  32 33 3b 31 30 2c 31 3b  |...P.7:.23;10,1;|
00000010  30 3b 30 3b 30 3b 32 33  3b 38 2c 31 34 34 2c 30  |0;0;0;23;8,144,0|
00000020  3b 30 3b 30 3b 32 33 3b  39 2c 39 2c 30 3b 30 3b  |;0;0;23;9,9,0;0;|
00000030  30 3b 32 33 3b 31 30 2c  26 36 39 2c 30 3b 30 3b  |0;23;10,&69,0;0;|
00000040  30 3b 32 33 3b 38 32 30  32 3b 30 3b 30 3b 30 3b  |0;23;8202;0;0;0;|
00000050  0d 00 14 0c 2a 46 58 32  31 30 2c 31 0d 00 1e 0f  |....*FX210,1....|
00000060  f2 68 65 61 64 3a f2 64  61 74 61 0d 00 28 05 e0  |.head:.data..(..|
00000070  0d 00 32 57 dd f2 41 28  58 2c 59 2c 4f 24 29 3a  |..2W..A(X,Y,O$):|
00000080  f1 8a 58 2c 59 29 3b 3a  e3 50 3d 31 b8 a9 4f 24  |..X,Y);:.P=1..O$|
00000090  3a ef 33 32 3a f1 c1 4f  24 2c 50 2c 31 29 3b 3a  |:.32:..O$,P,1);:|
000000a0  ef 38 2c 38 3a f1 c1 4f  24 2c 50 2c 31 29 3b 3a  |.8,8:..O$,P,1);:|
000000b0  d4 30 2c 2d 37 2c 32 35  33 2c 31 3a ed 50 3a ef  |.0,-7,253,1:.P:.|
000000c0  39 2c 31 32 37 3a e1 0d  00 3c 41 dd f2 73 70 63  |9,127:...<A..spc|
000000d0  3a f1 8a 38 2c 32 33 29  22 50 72 65 73 73 20 53  |:..8,23)"Press S|
000000e0  70 61 63 65 20 74 6f 20  70 72 6f 63 65 65 64 22  |pace to proceed"|
000000f0  3b 3a 41 3d a5 3a e7 20  41 3d 33 32 8c 20 e1 20  |;:A=.:. A=32. . |
00000100  8b 20 f2 73 70 63 3a e1  0d 00 46 0f dd f2 77 3a  |. .spc:...F...w:|
00000110  50 3d a6 35 30 3a e1 0d  00 50 4b dd f2 68 65 61  |P=.50:...PK..hea|
00000120  64 3a ef 32 38 2c 30 2c  32 33 2c 33 39 2c 30 2c  |d:.28,0,23,39,0,|
00000130  31 32 3a e3 41 3d 30 b8  31 3a f1 bd 31 33 31 bd  |12:.A=0.1:..131.|
00000140  31 35 37 bd 31 33 32 bd  31 34 31 89 39 22 54 65  |157.132.141.9"Te|
00000150  6c 65 74 65 78 74 20 47  75 69 64 65 22 3a ed 41  |letext Guide":.A|
00000160  3a e1 0d 00 5a 0a dd f2  64 61 74 61 0d 00 64 c1  |:...Z...data..d.|
00000170  4f 24 3d 22 54 68 69 73  20 73 65 63 74 69 6f 6e  |O$="This section|
00000180  20 69 73 20 64 65 73 69  67 6e 65 64 20 74 6f 20  | is designed to |
00000190  65 78 70 6c 61 69 6e 20  74 68 65 20 76 61 72 69  |explain the vari|
000001a0  6f 75 73 20 63 6f 64 65  73 20 75 73 65 64 20 69  |ous codes used i|
000001b0  6e 20 74 65 6c 65 74 65  78 74 2e 20 53 69 6e 63  |n teletext. Sinc|
000001c0  65 20 20 20 74 68 69 73  20 70 72 6f 67 72 61 6d  |e   this program|
000001d0  20 69 73 20 64 65 73 69  67 6e 65 64 20 66 6f 72  | is designed for|
000001e0  20 75 73 65 20 6f 6e 20  61 6e 79 20 73 74 61 6e  | use on any stan|
000001f0  64 61 72 64 20 41 63 6f  72 6e 20 6d 61 63 68 69  |dard Acorn machi|
00000200  6e 65 20 74 68 65 20 63  6f 64 65 73 20 61 72 65  |ne the codes are|
00000210  20 74 68 65 73 74 61 6e  64 61 72 64 20 74 65 6c  | thestandard tel|
00000220  65 74 65 78 74 20 63 6f  64 65 73 2e 22 0d 00 6e  |etext codes."..n|
00000230  0e f2 41 28 30 2c 34 2c  4f 24 29 0d 00 78 c6 4f  |..A(0,4,O$)..x.O|
00000240  24 3d 22 54 6f 20 62 65  20 66 61 69 72 20 68 6f  |$="To be fair ho|
00000250  77 65 76 65 72 20 74 68  69 73 20 64 61 74 61 66  |wever this dataf|
00000260  69 6c 65 20 61 6c 73 6f  20 20 20 6c 69 73 74 73  |ile also   lists|
00000270  20 74 68 65 20 66 65 77  20 65 78 74 65 6e 64 65  | the few extende|
00000280  64 20 63 6f 6d 6d 61 6e  64 73 20 6e 6f 74 20 75  |d commands not u|
00000290  73 65 64 6f 6e 20 74 68  65 20 42 42 43 20 28 42  |sedon the BBC (B|
000002a0  20 42 2b 20 61 6e 64 20  4d 41 53 54 45 52 29 20  | B+ and MASTER) |
000002b0  62 75 74 20 61 72 65 20  20 20 20 75 73 65 64 20  |but are    used |
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12-03-89/Guide.m5