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2 In case of 40 columns model (ESC + "&" + C1 + A1 + A2)
In inputting ESC (1BH) + "&" + C1 + A1 + A2 and the pattern data following after these codes, nominated
pattern can be registered.
The total numbers of characters can be registered are 224 characters and these characters can be registered
into the nominated address between the range of 20H ~ FFH.
But in case new pattern is registered into the address has already old pattern, the old data is automatically
cleared and new pattern is registered.
[The upper bit use ]
The data is specified in parameter C1 to recognize whether the registered character is using the upper bit or
not.
C1 = 0 (00H)
C1 = other than 0 : The upper bit is used.
Even if the upper bit is used, 0 is specified in this parameter, in case of double width and double height
character, the highest dot is missing and proper print result may not be conducted.
[Specifying address]
A1 : Start of the registration address (20H ~ FFH)
A2 : End of the registration address (20H ~ FFH)
[Configuration of pattern data]
The pattern data to be registered for one character is 9 byte.
This means the pattern comprises 9 × 8 dots matrix is decomposed to 9 portions divided to the direction of
lengthwise and the data of 9 bytes in total is to be transmitted as each one bytes data.
: The upper bit is not used.
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CBM-920 User's Manual
CITIZEN
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