Underscore (Usc); Im Image Command Set - IBM 6400 Programmer's Reference Manual

Underscore (USC)

This control identifies text the printer underscores at the baseline of the current
line. The underscore prints using the same print quality as the text.
A USC command with a bypass value of 00 ends underscore mode.
Table 70. Underscore
Byte Value
0-1 X 2BD3
'
2 X 03
' '
3
X 76
' '
X 77
' '
4
Bits 0-3
Bit 4
Bit 5
Bit 6
Bit 7
X ' FF

IM Image Command Set

The IM Image command set contains the commands and data controls for
presenting image data on a logical page, page segment, or overlay area on the
physical medium. The following commands comprise the image command set:
The following pages describe the image command set.
Description
Text Control Escape Sequence
'
Length
Underscore
Unchained
Chained
Bypass Identifiers
Reserved
0 Underscore white space from
Relative Move Inline
1 Bypass white space from
Relative Move Inline
0 Underscore white space from
Absolute Move Inline
1 Bypass white space from
Absolute Move Inline
0 Underscore white space from Space
or Variable Space Character
1 Bypass white space from Space
or Variable Space Character
0 Bypass Treat Bits 0-6 according
to their set values
1 No Bypass Treat Bits 0-6 as if
their values are set to zero
' No Bypass in Effect
Command Code
WIC D63D
WI D64D
END D65D
Description
Write Image Control
Write Image
End
Chapter 3. IPDS Commands Reference
IM Image Command Set
Error Code
X 021E..01
'
75
'