RCA 70/46 Reference Manual page 112

Store Scratch Pad
(SSP)
General Description
Format
(55)
Condition Code
Interrupt Action
Privileged
Instructions
• Operands from the scratch-pad memory, starting with the location
specified by the first address (Bt/D
1 ) ,
are stored in main memory locations,
starting with the location specified by the second address (B
2
/D
2 ) .
DO L
o
7 8 15 16 19 20
• Unchanged.
• Privileged operation.
Address error:
Addressing.
Specification.
Protection.
D2
31 32 35 36
47
Notes •
1.
The L field provides an eight-bit count specifying the number of
scratch-pad memory locations to be stored. An initial count of zero
specifies one word to be stored.
2. The first address specifies scratch-pad memory words 0 through 127
by the seven rightmost bits of the address. The bits to the left of
the seven-bit address must be zero.
3. The second address must be on a word boundary. (This is a
program restriction.)
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