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Program Alteration and Data Entry
1.
2.
3.
4.
5.
6.
7.
8.
9.
Operator Action
Press Stop key.
Press Save key.
Press I nsert key.
Type:
36 xxxxx 00100 42
(No P or Q address)
Press Release key.
Press Start key.
Type instructions and data.
Press Release key.
Press Start key.
Typewriter Output
1.
2.
3.
4,
Operator Action
Press Insert key.
Type one of the following:
39 xxxxx 00100
38 xxxxx 00100
35 xxxxx 00100
Press Re lease key.
Press Start key.
Explanation
Halts processing and initiates manual mode.
The address of the next instruction in sequence is saved in Product Address
Register 1 (PR-1).
Typ.ewriter is conditioned to enter data into core storage, beginning at
location 00000.
Enter instructions to read numerically from typewriter beginning at
the first position of data entry (xxxxx), and branch to address saved
in PR-1 (step 2).
Re leases typewriter.
The Read Numerically instruction, entered in step 4, is executed.
As each character is typed, it is stored at location xxxxx and succeedingly
higher-numbered core storage positions.
Terminates Read instruction.
The next sequential instruction, which is Branch Back (step 4) to the
address saved in PR-1 (step 2), is executed, and processing is resumed.
Explanation
Typewriter is conditioned to enter data into core storage, beginning at location 00000.
Enter instruction.
Write Alphamerically, beginning at xxxxx and continuing until a record
mark is sensed, or,
Write Numerically, beginning at xxxxx and continuing. until a record mark
is sensed, or,
Write (Dump) Numerically, beginning at xxxxx and continuing until location
19999 is printed or the Release key is depressed.
Releases typewriter.
Instruction entered in step 2 is executed.
Check Program Step Sequence and Operation
Operator Action
1.
Press Stop key.
2.
Press SIE key.
3.
Press SC E key.
4.
Press SIE key.
Explanation
Halts processing and initiates manual mode.
Each depression causes the execution of one instruction.
The Op code and the address of the next instruction to be executed are
displayed in the Op register and MAR.
The instruction displayed in step 3 is executed. Steps 3 and 4 can be
alternated to display succeeding instructions.
65
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