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TAD'S
Standard TAD'S
A.
Most diagnostic programs will use all four standard TAD's.
1. TAD's are an integral part of almost all diagnostic pro-
grams, and are automatically read in with each program.
They are located in memory positions 01000 through
01003. They are preset in the OFF (Not 1) condition. To
set a TAD to the ON condition (character 1), the Program
Alter Routine will norm'ally be used. (See "Internal TAD
Routine.")
2 . Functions
OFF
ON
TAD
Mem Addr
T
1
TADO
01000
Type out
Bypass Typeouts
TADl
01001
Do
not repeat routine Hepeat the routine
TAD2
01002
Bypass error halts
Halt on error
TAD3
01003
One program pass
Repeat the program
Special TAD's
Most diagnostic programs will use some special TAD's. Special
TAD's are used by individual programs as required. They also
will automatically be read in with each program. They will be
located in memory starting at position 01004.
Some programs may have several special TAD's. Consult
individual program write-ups for details.
Internal TAD Routine
All diagnostics contain a J(I)Q instruction. . To use:
1. Depress Inq key. Program will stop and an I will be
typed.
2. Enter 5 digit address of location to be altered. Depress Inq
Rel key.
3. Depress Inq key. An I will be typed.
4. Enter the desired information. (Memory will be altered
starting at the address entered in item (2).)
5. Depress Inq Rel key. Program will continue to run.
Note: Inq Cancel may be used if a mistake is made in either
item (2) or (4).
PROGRAM MAINTENANCE OF DIAGNOSTICS
Refer to the TC50 Manual for the following:
1. Tape search operation
2. Straight duplication
3. Normal update/edit operation
4. System and channel control card information located in
Appendix I, Volume 1.
64
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