Panasonic FP7 Series Command Reference Manual page 127

3.11 PSHS (Push stack), RDS (Read stack), POPS (Pop stack)
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Precautions for programming
● Use the RDS instruction when the operation result will be further used and the POPS
instruction if it will not be used any more. (Be sure to use the POPS instruction at the end of
a series of instructions.)
● The RDS instruction can be used repeatedly for an unlimited number of times.
WUME-FP7CPUPGR-12 3-23