IBM 6400 Programmer's Reference Manual page 168

Line matrix printers, intelligent printer data stream
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X
020501
X
020605
'
'
'
'
Explanation: A Write Text or Write Graphics command is required to complete a
partial order, control, or double-byte character code and another command was
received other than an XOA command.
Alternate Exception Action: None.
Explanation: Unsupported advancement of the baseline coordinate toward the
I-axis.
Alternate Exception Action: None.
Explanation: The unit-base (measurement units) specified in the Output Control
or the Data Descriptor structured field of the WGC or WBCC command is not a
valid or supported value.
Alternate Exception Action: None.
Explanation: Begin Suppression encountered in the same unit (page, segment
or overlay) before previous suppression in that unit ended.
Alternate Exception Action: None.
Explanation:
1. The units specified in the Output Control or the Data Descriptor structured
2. The result of the calculation cannot be represented in the printer. This may
3. Coordinate overflow while scaling graphics. Possible if scaling coordinates
Alternate Exception Action: None.
152
6400 IPDS
X
' 020501 ' Invalid Spanning Sequence
X
' 020502 ' Unsupported Baseline Move
X
' 020505 ' Structured Field Unit-Base Invalid
X
' 020601 ' Begin Suppression Error
X
' 020605 ' Structured Field Units Invalid
field of the WGC or WBCC command is not a valid or supported value.
result from the WGC GDD window limits being very close together.
require multiplication by a value greater than 1.

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