Panasonic FP-E Programming Manual page 513

Description
Shifts one word (16 bits) of the data range specified by D1 (starting) and D2 (ending) to the left (to the higher
word address).
D2
The ending
word is shifted out.
D2
Starting area D1 and ending area D2 should be:
− The same type of operand.
− D1 D2.
When one word (16 bits) is shifted to the left,
− The ending word (D2) is shifted out.
− The data in the starting word (D1) becomes 0.
Flag conditions
・Error flag (R9007):
・Error flag (R9008):
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Specified data range
Turns on and stays on when:
Turns on for an instant when:
− The area specified using the index modifier exceeds the limit.
− D1 > D2.
High−level Instructions
D1
D1
0
The data in the starting
word becomes 0.
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