Epson ESC Manuale Utente Scaricare il pdf (Pagina 182)

C-40

The command is not accepted (command specification error) if:

• It is sent inside a printing field.

• The n and m parameters are different from those allowed

• The d

- d

parameters are incompatible with one another

ESC h 0

24 pin Downline Loading Characters into the User Memory (DLL).

(Olivetti PR2, PR40+)

ASCII Code ESC h 0 n m d

......D

Hexadecimal Value 1B 68 30

n m d

......D

Decimal Value 27 104 48 n m d

......D

The command enables the characters received to be transferred from the line into the user

memory (9 pin). The type of DLL, 9 or 24 pin, is selected with the command ESC ! G n.

Parameters n and m are, respectively, the binary start and end codes and mark the

range in which the characters will be loaded (as a number m - n + 1). In the particular

case where n is equal to m, a single character will be loaded.

Values n and m must be between Hex. 20 - 7E and 80 - FE

The format of each individual character is as follows:

......D

where:

- d

, d

represent, respectively, as binary values:

- d

: number of leading columns.

- d

: number of main columns.

- d

: number of trailing columns.

- The sum (d

+ d

) defines the number of columns in the character’s gross matrix.

- D

, D

..........D

constitute the pattern of the character currently being loaded.

Each data column has three bytes.

1 2 ... 177 178 179 180 181 182 183 184 185 186 187 ... 287 288

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Epson ESC Manuale Utente Pagina 182

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