IBM 5100 - Page 329

Hex
(:
Displacement
Length Form Description
2
Binary I/O codes:
X'OO'
- Sense
X'01'
- Read for tape and ramp head for printer
(
X'02'
- Write
X'03' - Write last
X'Q4' Find
X'05'
Mark
X'06'
Initialize and Mark
(
X'07' Rewind
X'08' Forward space record
X'09'
Backspace record
X'OA' Find next header
X'OB' Write header
3
Hex 80
-
Ignore ATTN key
Hex 00
-
Honor ATTN key
4-5 2 Address Buffer start
address.
4-5 2
Address Buffer start
address.
6-7 2
Binary Buffer
size.
8-9 2
Binary Control information:
t-
If Find - File number to find
If Mark - Number of records to allocate
If Print - Space information:
Hex 0001-Hex
OOOF indicates 1-15 lines of spacing
A-B
2
Address
I/O work area address.
Language Support 6-17