RCA Spectra 70 - Page 156

Store Word
(ST)
General Description
Format
(RX)
Condition Code
Interrupt Action
Notes
Fixed-Point
Instructions
• The operand in the general register specified by the first address (R
1
)
is stored in the main memory location specified by the second address
(XdB
2
/D
2
) •
o 7 8 11 12 15 16 19 20
• Unchanged.
• Address error:
Addressing.
Specification.
Protection.
81
• 1. The complete contents (32 bits) of the general register specified by
the first address are placed unaltered in main memory.
2. The operand specified by
the first address is unaltered.
147