Copies characters from rom to ram. (epson) – Compuprint 4247-L03 Programmer Manua User Manual
Page 53
BYTE #
BIT #
LQ WIRE #
DRAFT WIRE #
SUBSCRIPT
WIRE #
SUBSCRIPT
WIRE #
1
7
1
1
1
9
6
2
2
2
10
5
3
3
3
11
4
4
4
4
12
3
5
5
5
13
2
6
6
6
14
1
7
7
7
15
0
8
8
8
16
2
7
9
9
9
17
6
10
10
10
18
5
11
11
11
19
4
12
12
12
20
3
13
13
13
21
2
14
14
14
22
1
15
15
15
23
0
16
16
16
24
3
7
17
17
Note: Only 2 Bytes are required for
superscript/subscript characters.
6
18
18
5
19
19
4
20
20
3
21
21
2
22
22
1
23
23
0
24
24
If a data bit has a value of 1, the corresponding wire is fired. If a data bit has a value of 0, the wire is not
fired. In general, the user of this feature must be careful that the number of bytes of downloaded
information is equal to 3 x width of the character being defined (a
1
) or the results will be unpredictable.
Only one print mode type may be downloaded at a time. That is, if draft characters have been
downloaded, then selecting Letter Quality and downloading characters will cause the draft download
characters to be cleared. This applies similarly to script characters.
ESC :
Copies characters from ROM to RAM. (EPSON)
ASCII Code
ESC : NUL n 0
Hexadecimal Value
X'1B' X'3A' 00 n 00
Decimal Value
27 58 n 0
This code copies the character generator in ROM into RAM area dedicated to the user-defined characters.
The n parameter represents the LQ type style. It copies the data for the characters between 0 and 255
(from the italic character table) of the Courier or Gothic font from ROM to RAM memory according to the
following values:
Chapter 2. EPSON/IBM Mode
37