You can either register 0 - 3. Register 3 is only available in ESC/P2 mode.
The command ESC ( t can be used to assign character sets to character table (d1).
If d1 = 2 you cannot use user-defined characters defined previously with ESC ( t
(see page 105).
Example 10 REM upper half of code table
20 LPRINT CHR$(27);"t0";
30 GOSUB 90
40 LPRINT CHR$(27);"t1";
50 GOSUB 90
60 LPRINT CHR$(27);"t2";
70 GOSUB 90
80 END
90 RESTORE
100 FOR I = 1 TO 15
110 READ D
120 LPRINT CHR$(D);
130 NEXT I
140 LPRINT
150 RETURN
160 DATA 65,66,67,68,69,165,166,167,168,169,170,171,172,173,174
104 Miscellaneous