Results 1-3 of 76
If an immediate space is used, then there will be as many lines spaced over as
are called for by the d-character. If a J is written, then one line will be spaced, etc.
After spacing, the line is printed and then the paper is spaced one line as
normally. When spacing after printing is called for by writing a slash, S or T, the
number of spaces prescribed will be the total number of spaces after printing,
including the one that normally occurs. Thus a Control Carriage instruction with a
d-character of ...
The d-character specihes a tape write operation. The data from core storage is
written in the tape record. The B-address specifies the high-order position of the
record in storage. A group mark with a word mark in core storage stops the
operation. The group mark with a word mark causes an interrecord gap to be
created. Mnemonic Op Code A-address B-address d-character MCW M %Ux xxx
R FUNCTION The tape unit specihed in the A-address is started. The d-character
specifies a ...
Daniel D. McCracken. Write Disk Check FORMAT Mnemonic Op Code A-address
B-address MCW M %F3 AUTOCODER FORMAT WDC Address FUNCTION This
instruction causes a character-by-character comparison of the data in core
storage with the data just recorded on the disk. The system automatically reads
the disk record that was most recently addressed. This instruction must follow a
Write Disk instruction. The digit 3 in the A-address specifies that a checking
operation is to ...
What people are saying - Write a review
LibraryThing ReviewUser Review - MrJack - LibraryThing
This 1972 book was written for training people on the 1400 Series of IBM equipment. Case studies and examples come from the IBM 1401. The author discusses card sorters, collators, batch processing ... Read full review
The Nature of Data Processing
Introduction to Computing Equip
12 other sections not shown