Compuprint MDP40B Programmer Manual Manuel d'utilisateur télécharger pdf (Page 79)

A-77

The maximum number of customer defined characters is 256, therefore, the maximum

count will be 3330 or D02H. A count value of 0 will reload the customer defined

character area from the resident character area.

Contains the following hexadecimal data:

14H Start_code_point Slice_image_information

Start_code_point

Is the code point of the first character representation to be

downloaded and it must be a value in the range 00H to FFH.

Slice_image_info

Is a list of 13-byte entries (one entry for each character

representation) having the following format:

Attribute 00H Slice1 … Slice11

Attribute

Indicates the physical attributes of the character representation with

the following bit information:

Bit 7 Indicates whether the character is a descender or

an ascender.

The bit is ignored is either bit 0 or bit 1 is set.

Bit 0 = Ascender

Bit 1 = Descender

Bits 6 to 2 Reserved and ignored

Bit 1 and 0 Define 12-high expansion for box drawing:

B 00 = No 12-high expansion

B 01 = Expand the bottom row (row 8) for

information down to rows 9, 10, 11 and 12

B 10 = Expand the top four (4) rows (rows 1, 2, 3

and 4) down to rows 9, 10, 11 and 12.

1 2 ... 74 75 76 77 78 79 80 81 82 83 84 ... 288 289

Pas de commentaire

Compuprint MDP40B Programmer Manual Manuel d'utilisateur Page 79