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1..0
ex:>
Features
I.
CPU
System/360
Model 65
A. Internal perform;:lDce
1
times Model 65
B.
Instruction set
1. Decimal and bin.:lry
arithmetic
2. Floating-point
arithmetic
3. Extended precision
floating-point
4. New general purpose
instructions (MOVE
LONG.
COMPARE LONG,
etc. )
5. High-speed multiply
6. STORE CPU ID,
STORE CHANNEL II),
HALT DEVICE
instructions
C. Overlap of
,
instruction fetching
and preparation with
execution
D. Interval timer
E. Time of day clock
standard
Standard
Not available
Not available
Not available
Not available
Instruction unit
normally prepares
one instruction at a
time~
Imprecise interrupts
occur only for
storage protection
violations.
Standard
16.6 ms resolution
Not available
F. CPU retry (hardware)
No
2
to
5
System/370
Model 165
Standard
Standard
Standard
Standard
Optional
Standard
Instruction unit can
process several
instructions while
execution unit
executes one
instruction.
Imprecise interrupts
occur on an attempt
to store at an
invalid processor
storage address or a
storage protected
location.
Standard
3.33 ms resolution
Standard
Standard
OS - Model 65
All languages except
FORTRAN support of
decimal arithmetic
All languages except
RPG
Mnemonics provided by
Assemblers F and
B.
Subroutines provided in
FORTRAN H
Supported
OS - Model 165
Same
Same
Subroutines and instruction
support provided
by
same
languages translators.
Assembler Language
mnemonics for user use
Used by control program
Supported except for time
of day requests
Supported for time of day
requests
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