Cray CRAY-1 - CRAY-1 Instruction Descriptions

INSTRUCTION DESCRIPTIONS
This section contains detailed information about individual instructions
or groups of related instructions. Descriptions are presented in the
octal
code sequence defined by the gh fields. Each subsection begins
with
boxed information consisting of the format and a brief summa~ of
each instruction described in the subsection. The appearance of an m
in a
for~at designates that the instruction consists of two parcels.
An x in the format signifies that the field containing the x is ignored
during
instruction execution.
Following the header information
is a more detailed description of the
instruction or instructions, including a list of hold issue
conditions, execution
time, and special cases. Hold issue conditions
refer to those conditions that delay issue of an instruction until the
conditions are met.
Instruction issue time
assumes that if an instruction issues at clock
period n, the next
instruction will issue at clock period n + issue time
if its issue conditions have been met.
2240004
4-6
E