6530 Programmer's Guide
Block Mode Operation
3-52
6530 Programmer’s Guide
The Set Terminal Configuration sequence (Esc v) followed by a set of 
code/value pairs (as listed in Table 3-5) sets new values for the terminal 
configuration parameters. 
Table 3-5. Terminal Configuration Parameters
Configuration 
Parameter Code Value Meaning Value Meaning
Cursor type/blink A 1 underscore/
blinking
3 block/blinking
Bell column B
0-80  
(column
number)
Bell volume C 0 off 1 on
Key click volume  D 0 off*
Color support e 0 no color 
support   
1
non-
configurable 
color support
2
16 of 64 colors 
configurable 
(PC EGA)
3
16 of 256 
colors 
configurable 
(PC VGA)
Status line 
border
E0OFF*
Compression 
enhance
f0
No support for 
outbound 
compression
1
outbound 
compression 
ON
2
sets outbound 
compression 
ON after 
entering block 
mode. 










