RCA Spectra 70 User Manual

Load and Test
(LTER) (LTDR)
General Description
Format
(RR Short)
(RR Long)
Condition Code
Interrupt
Action
Notes
Floating-Point Instructions
• The operand in the floating-point register specified by the second address
(R
2
)
is loaded into the floating-point register specified by the first address
(R
1
). The sign and magnitude of the loaded operand determine the
condition code.
(LTER) 32 R1 R2
o
7 8 11 12 15
o
7 8 11 12 15
• 0 - result mantissa is zero.
1- result mantissa is less than zero.
2 -
result mantissa is greater than zero.
3
-not used.
• Address error:
Specification.
• 1. If R1 and R2 are equal, the operation is equivalent to a test without
data movement.
2. The operand specified
by the second address is unaltered.
3.
Short operands do not alter the low-order half of the register specified
by the first address.
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RCA Spectra 70 Specifications

General

Brand	RCA
Model	Spectra 70
Category	Computer Hardware
Language	English