| R25-1495_1401_Instruction_Logic_Nov60.pdf | | IB'4 1401 DATA PROCESSING SYSTEM
INSTRUCTION LOGIC
Thomas M. Mierswa
Eastern Region Systems Dept.
November 1960
TABLE OF CONTENTS
Introduction 3
Data Flow 5
Control 8
Instructions: I-Phase 10
Instructions: E-Phase 22
Common A- cycle 23
Set Word Mark 24
Clear Word Mark 24
Move 27
Move Zone 27
Move Digit 27
Load 30
Clear Storage 32
Compare 34
Move & Zero Suppress 36
Edit 39
Reset Add 46
Reset Subtract 47
Add 49
Subtract 49
True Add 54
Complement Add |
