Appendix C: Configuring The Space Page - Epson TM-U925 Manual

APPENDIX C: CONFIGURING THE SPACE PAGE

The space page is the character code table where character codes 80H to FFH are all undefined. This
character code table is selected when n is set to 254 or 255 using the character code table selection
command ESC t n .
1) Space page top address
Page Character table
254 Space page
255 Space page
2) Calculating the character data top address
The character data top address is calculated as follows:
· 7 ´ 9 font (graphics)
Character data top address = space page top address + (character code - 80H) ´ 18
· 9 ´ 9 font (graphics)
Character data top address = space page top address + (character code - 80H) ´ 24
3) Example font data configuration
0 2
5720H - 3EH 41H 80H 00H 80H 41H 3EH 00H 00H
MSB
LSB
MSB
0 0
0 0
0 0
0 0
0 0
0 0
LSB 0 0
5721H - 00H 00H 80H 00H 80H 00H 00H 00H 00H
1 3
EPSON
Space page top address
7 ´ 9
5600H
6B00H
4 6 8 10 12 14
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
5 7 9 11 13 15
TITLE
TM-U925
Specification
(STANDARD)
9 ´ 9
5F00H
7400H
16
- 5730H
Character code 90H
Character data top address
5600H + (90H-80H) ´18 = 5720H
address data
0: 5720H 3EH
2: 5722H 41H
4: 5724H 80H
6: 5726H 00H
8: 5728H 80H
10: 572AH 41H
12: 572CH 3EH
0
14: 572EH 00H
0
16: F730H 00H
0
0
0
0
0
- 5731H
17
SHEET
REVISION
A
address data
1: 5721H 00H
3: 5723H 00H
5: 5725H 80H
7: 5727H 00H
9: 5729H 80H
11: 572BH 00H
13: 572DH 00H
15: 572FH 00H
17: 5731H 00H
NO.
NEXT SHEET
App.4 App.3