Store (Ste) (Std) - RCA 70/46 Reference Manual

Store
(STE) (STD)
General Description
Format
(RX Short)
(RX Long)
Condition Code
Interrupt Action
Floating-Point Instructions
• The contents of the floating-point register specified by the first address
(R
1 )
are stored in the main memory location specified by the second
address (X
2
/B
2
/D
2 ).
(STE)
70
Rl
X
2
B2 D2
0
7 8 11 12 15 16 19 20
31
(STD)
60
Rl
X
2
B2
D2
0
7 8 11 12 15 16
19 20 31
•
Unchanged.
•
Address error:
Addressing.
Specification.
Protection.
Notes •
1. The first operand is unaltered.
2. Short operands do not alter the low-order half of the register specified
by the second address.
217