High−level Instructions
3 − 249
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).
Specified data range
D2
0
D1
D2 D1
The data in the starting
word becomes 0.
The ending
word is shifted out.
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): Turns on and stays on when:
・Error flag (R9008): Turns on for an instant when:
− The area specified using the index modifier exceeds the limit.
− D1 > D2.
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