Compuprint 4247-L03 Programmer Manua Manual de usuario descargar pdf (Pagina 55)

Bit 5 to 9 Compression mask description. It is used to optimize the memory

occupation and it is based on the concept that a dot column on its left is

not stored. You can calculate the compression mask of a character only

after designing the entire character. Every bit is associated with a dot

column with bit 7 of byte 5 associated with the leftmost column. The bit is

set to {1} if the column is equal to the preceding one; otherwise it is set to

{0}. If the character is longer than 39 dot columns, the remaining dot

columns must be stored without compression. Bit 40 (bit 0 of byte 9) must

be 0. If no compression is present in the character, byte 5 to 9 is

composed of all zeros.

If you wish to copy an entry over another entry so that two characters with the same characteristics and

different code are present in the same look-up table, the DLL sequence ESC = nmidpthas the following

meaning:

n and m: Indicates the byte number of the sequence n is the low part and m is the high part.

id: Indicates the printer model. The id related to your printer is 23H.

p and t: Indicates the memory address of the character that you wish to replace. p is the low part

and t is the high part.

data: Is the entry 9 bytes of the character that you want to position at address specified by p

and t.

Bit-Image

ESC *

Sets dot graphics printing. (IBM XL24 AGM, EPSON)

ASCII Code ESC * mn

... p

Hexadecimal Value X'1B' X'2A' mn

... p

Decimal Value 27 42 mn

... p

Range

0 ≤ n

, n

≤ 255

0 ≤ p

≤ 255

Selects 8-dot graphic or 24-dot graphic modes according to the table below. The m parameter

determinates the horizontal density as well as the number of wires to be fired.

For 8-dot images, the total number of data bytes (p) to be sent is determined by the following formula: n

x 256.

m DPI # DOTS DENSITY NAME Other ESC

0 60 8 Normal density ESC K

1 120 8 Dual density ESC L

2 120 (virtual) 8 Double speed, Dual density ESC Y

3 240 (virtual) 8 Quadruple-density ESC Z

4 80 8 CTR Graphic I

6 90 8 CTR Graphic II

For 24-dot images, the total number of data bytes (px) to be sent is determined by the following formula:

3.x.(n1+n2 x 256).

Chapter 2. EPSON/IBM Mode 39

1 2 ... 50 51 52 53 54 55 56 57 58 59 60 ... 203 204

Comentarios a estos manuales

Sin comentarios

Compuprint 4247-L03 Programmer Manua Manual de usuario Pagina 55

Comentarios a estos manuales

Relacionado con productos y manuales para Impresoras Compuprint 4247-L03 Programmer Manua