CHANNEL COMMANDS (Contd) @ Standard Command Code Assignments (CCW bits 0-7) for 1/0 Operations xxxx 0000 Invalid tttt tt01 Write
tttt0100 Sense tttt tt10 Read
xxx x1000 Transfer in Channel tttt tt11 Control
tttt1100 Read Backward 0000 0011 Control No Operation
x-Bit ignored. tModifier bit for specific type ofI/O device 1052 CONSOLE Source: GA22-6877
ReadInquiry BCD OA Sense 04 OS Write BCD, Auto Carrier Return
WriteBCD, No Carrier Return 09 Alarm 01 2540 CARD READ PUNCH Source: GA24-3312
Command
Read, Feed,Select Stacker Read
Type
AA
AB
CodeSSDO 0010 1100 0010 1101 0010 SS10 0011 SSDO 1001 SSDO 0001 0000 0100 Bit Meanings SS Stacker OOR10rP1 01 R20rf»2 10 RP3 Read, Feed (1400 Compatibility-)
Feed,Select Stacker PFR* Write. Feed. Select Stacker Write, Feed, Select Stacker Sense 1442-N1 CARD READ PUNCH
Write01 Write, Select Stacker 2 41
Write, Feed 81
Write, Feed,Select Stacker 2 C1
Write CardImage- 21
Write CardImage, Sel Stkr 2 61
Write CardImage, Feed A 1
Write CardImage, Feed, Sel Stkr 2 E 1 Sense 04 1403.1443 PRINTERS After Write
89Skip to Channel 1 Skip to Channel 2 Skip to Channel 3 Skip to Channel 4 Skip to Channel 5 Skip to Channel 6 Skip to Channel 7 Skip to Channel 8 Skip to. Channel 9 Skip to Channel 10 Skip to Channel 11 Skip to Channel 12
91
99
A1
A9
B1
B9
C1
C901 09 E1
Immed
8B
93
9B
A3
AB
B3BS C3
CB03 DB
E32400-SERIES MAGNETIC TAPE BA
BA
BB
Q Data Mode
o1-EBCDIC 1 2-Col. binary- Source: GA21-9025
Read
Read,Select Stacker 2
Read CardImage Read Card Image, Sel Stkr 2
Read 1442 Compatibility
Read 1442 Compat, SelStkr 2
Control Feed
Control Feed, SelectStkr 2
ControlSelect Stacker 2 02 42
22
62
12
52
83
C3
43
Source: GA24-3312, GA24-3120
j
Diagnostic Data Read02 Diagnostic Check Read 06 UCS Gate- EB 1403 UCS Load (No Folding)- FS only lJCS Load (Folding)- F3
B lock Data Check- 73
Reset Block DataCheck- 7B
Write withoutSpacing 01 Sense 04 Space 1 Line Space 2 Lines Space 3 Lines
After Write09 11
19
Immed
OS
13
1B
Note: Refer to GA22-6866 for operation of specificmodels, speCial features required, mode resets, and precedence of commands. Sense 04 Density Parity DC Trans CmcI
Read BackwardOC { {"n oft
13
Write01 odd off { off 33
Read02 200 on 3B
Rewind (REW)07 :¥ even off { off
23u Rewind-Unload (RUN) OF ftI 2B on
Erase Gap (ERG) 17t: { {"" off
53
Write Tape Mark (WTM) 1F
odd off { off 73
Backspace Block(BSB) 27 III 556 on 7B -0 Backspace File (BSF) 2F even off { off
63
ForwardSpace Block (FSB) 37 4i { {on 6B
ForwardSpace File (FSF) 3F (J) 93
Request Track in Error(TIE) 1B
odd off { off B3
Diagnostic ModeSet OB SOO on BS Set Mode 2 (9-track), 1600 bpi C3
even off { off
A3
Set Mode 2 (9-track),800 bpi CB on AB -Special feature required.
tttt
xxx x
tttt
x-Bit ignored. tModifier bit for specific type of
Read
Write
Command
Read, Feed,
Type
AA
AB
Code
Feed,
Write
Write, Feed 81
Write, Feed,
Write Card
Write Card
Write Card
Write Card
89
91
99
A1
A9
B1
B9
C1
C9
Immed
8B
93
9B
A3
AB
B3
CB
E3
BA
BB
Q Data Mode
o
Read
Read,
Read Card
Read 1442 Compatibility
Read 1442 Compat, Sel
Control Feed
Control Feed, Select
Control
22
62
12
52
83
C3
43
Source: GA24-3312, GA24-3120
j
Diagnostic Data Read
B lock Data Check
Reset Block Data
Write without
After Write
19
Immed
OS
13
1B
Note: Refer to GA22-6866 for operation of specific
Read Backward
13
Write
Read
Rewind (REW)
23
Erase Gap (ERG) 17
53
Write Tape Mark (WTM) 1F
odd off { off 73
Backspace Block
63
Forward
Forward
Request Track in Error
odd off { off B3
Diagnostic Mode
even off { off
A3
Set Mode 2 (9-track),