EasyManua.ls Logo

RCA Spectra 70 - Page 140

RCA Spectra 70
260 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Loading...
Load
Positive
(LPR)
General Description
Format
(RR)
Condition Code
Interrupt
Action
Notes
Fixed-Point
Instructions
The
operand in
the
register
specified by
the
second address
(R
2
)
is
made positive,
if
negative, and loaded into
the
general
register
specified by
the
first address (R
1
).
In
loading the absolute value of
the
operand, nega-
tive numbers
are
complemented and positive numbers remain unaltered.
The magnitude of
the
absolute value determines
the
condition code.
10
Rl
R2
0
7
8
11
12
16
o -
result
is zero.
1-not
used.
2
--
result
greater
than
zero.
3 - overflow on complement.
Fixed-point overflow.
1.
A fixed-point overflow
interrupt
exists
if
a maximum negative num-
ber
is complemented.
2.
The operand specified by
the
second address is unaltered.
131

Table of Contents

Other manuals for RCA Spectra 70

Related product manuals