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�"DECODE7"
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,�10)"�Instructions Y/N�?";

6?�:reply$=�:� reply$="Y" �reply$="y" �reply$="N" �reply$="n"

@�reply$="N" �reply$="n" �

J+�reply$="Y" �reply$="y" �:�instructions

T�

^��instructions

hn�'''"�  This program was devised to unravel"'"�the mystery of�how�TELETEXT�screen"'"�images were created."

r}�'"�  The hidden control and graphic codes,�which make up a�TELETEXT�screen, may be�output to a printer for examination!"

|��'"  �A selection of�TELETEXT�screen images�must initially be saved to disc in the"'"�X�directory, from�CEEFAX�/�ORACLE�and"'"�an�Epson compatible�printer connected."

�q�'"  �The main program�DECODE7�has been"'"�configured to display files on screen"'"�in the�X�directory only."

���" �The user may make minor changes"'"�therefore to lines�550�&�1460�of the"'"�same, should this directory not be"'"�suitable!"

�
�nextpage

���'" �The program will display the selected"'"�screen, and if OK, the user may choose"'"�to have hardcopy, with the control"'"�codes in numeric or text form."

���'"  �The control codes eg�graphics blue,"'" alpha red, new background�etc may be"'"�printed out in their respective number"'"�form or in an abbreviated text."

���'"  For example:_ �Numeric"''"       <145> = graphics red"'"       <157> = new background"''"  or        �Abbrv. text"''"       <gB> = graphics�blue"'"       <aC> = alpha�cyan."

�)�'"       <NB> = new background etc."

�
�nextpage

ֵ�'"  �Graphics codes are printed out in"'"�the symbols that one would normally use�to create a�TELETEXT�screen image."''"   ie lower case alpha characters,"'"       0 to 9 etc."

�d�'" �The�BLOCK�character (CHR$255) is shown�as a�@�symbol on printout and is easily�recognised."

���'" �Spaces in lines of graphics characters�are shown by the�^�symbol as this is"'"�not used in creating graphics chars."'"�on screen. This symbol will also show"'"�any leading or trailing spaces."

�s�'"� Spaces in lines of text are denoted by�a full stop. The number of spaces are"'"�therefore easily counted!"

�
�nextpage
��'''"� An undocumented code�(Code 128)�is"'"�catered for within the program."''"  �This code affects screens which"'"�contain�concealed�chars.,�(Code 152)."
��'"�On pressing the�reveal�key�(f6)�prior"'"�to saving the screen, code 152 is"'"�changed to code 128. Code 128 has"'"�been given the title�' <RD> '�to show"'"�that any concealed characters have"'"�been accordingly displayed."

�nextpage
&�
0��nextpage
:)�'"       PRESS ANY KEY TO CONTINUE";
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00001000  0d 02 58 05 e1 0d ff                              |..X....|
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