IBM 3745 Service Functions page 94

o
D
o
D
Deactivate Scanner Address Compare
• ACTION 1, 2, 3, or 4 was selected:
The successful completion of an address
compare automatically deactivates the func-
tion.
• ACTION 5 was selected:
Type D, then press SEND.
• To deactivate the scanner address compare
function before completion of the address
compare, proceed according to the type of
selected scanner address compare action:
- Action 1, 4, or 5: type D, then press SEND.
- Action 2 or 3: press BREAK (ATTN).
If the address compare screen is no longer dis-
played:
1. Call the scanner address compare function
again (see the beginning of this section).
2. Type D in
D.
3. Press SEND.
The scanner address compare is also deactivated
when you release the scanner.
Address Compare
SELECT/RELEASE
I -
ENTER A TO ACTIVATE AC OR 0 TO DEACTIVATE ::,
D
DUMP/IML
I
3 MODE CONTROL I - ENTER HALF140RD STORAGE ADDRESS (0009 TO FFFF)
DPLY/AlT STORE I
OPL Y /AL T
BLOC~S
I - SELECT 1 TO 4 STORAGE ACCESSES (F, S, R, 14)
6 OPLY/ALT LSR I F : I-FETCH OR DATA LOIID S ' OIlTA STORE
OPLY/ALT XREG I R : CYCLE STEAL READ \I : CYCLE STEM I4RITE
ADDRESS CO~IPARE I
9 CHK-POINT TRACEI - SELECT ONE SCA'mER
ACTIO~
0,
2, 3, 4, 5)
19 DPLY/ALT HPTSS I 1 : NO ACTIOtl 2 : STIIRT DELAYED DISPLAY
3 : START DELAYED ALTER 4: STOP SCANNER
5 : STOP SCANNER BUT LEAVE AC ACTIVE
Fl:ENO F2:MENU2 F3:ALARM
Figure 4-27. Deactivate Scanner Address Compare
Field Explanation for the Scanner Address Compare Screen
1 SELECT/RELEASE I
2 DUNP/INL
I
3 MODE CONTROL
I
4 DPLY/ALT STORE I
5 DPLY/ALT BLOCKS I
6 DPLY/ALT LSR I
7 DPLY/ALT XREG I
8 ADDRESS CONPAREI
9 CHK-POINT TRACE I
10 DPLY/ALT HPTSS I
===>
- ENTER A TO ACTIVATE AC OR 0 TO DEACTIVATE
==>
- ENTER HALFWORD STORAGE ADDRESS {DODO TO FFFF}
==>
- SELECT 1 TO 4 STORAGE ACCESSES {F, S, R, W}
==>
F
=
I-FETCH OR DATA LOAD S
=
DATA STORE
R
=
CYCLE STEAL READ W
=
CYCLE STEAL WRITE
- SELECT ONE SCANNER ACTION (1, 2, 3, 4, 5)
==>
1
=
NO ACTION 2
=
START DELAYED DISPLAY
3
=
START DELAYED ALlER 4
=
STOP SCANNER
5
=
STOP SCANNER BUT LEAVE AC ACTIVE
Fl:END F2:MENU2 F3:ALARM
Figure 4-28. Deactivate Scanner Address Compare
STORAGE ACCESSES: When the storage address specified on the screen is
detected during the operation selected among the following, the
address compare is successful.
F Address detected during I-fetch or load
S Address detected during store
R Address detected during cycle steal read
Chapter 4. Transmission Subsystem (TSS) Functions
4-17