Unit installation
The line spacing is changed from the standard 6 lines per inch to 9 lines
per inch by CHR$(8). CHR$(15) changes the line spacing back to 6
lines per inch.
The graphics mode is turned on by CHR$(8). When the graphics
mode is on, all CHR$ numbers above 127 are printed as pin pat-
terns. See Chapter 4 for the pin numbering system.
Graphics data can be repeated with CHR$(26). The format is:
CHR$(8) . . .
CHR$(26)CHR$(nl)CHR$(n2)
where nl is the number of repetitions and n2 is the data number to
be repeated.
Control Codes by Number
CHR$ Number
Function
8
Turn on graphic mode
10 Line feed
13
Carriage return
14
Turn on expanded mode
15
Return to standard printing
16
Tab setting
17
Turn on upper/lowercase (cursor down) mode
18
Turn on reverse printing
26
Repeat graphics data
27
Tab setting [with CHR$(16)]
145
Turn on uppercase/graphic (cursor up) mode
146
Turn off reverse printing
B-2