Delta AH500 Programming Manual page 425

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Instruction code

Explanation:

The states of the n bit devices starting from D are shifted by one bit to the left. The state of D is

cleared to 0, and the state of D+n-1 is transmitted to the carry flag SM602.

Generally, the pulse instruction BSFLP is used.

The operand n should be within the range between 1 and 1024.

When X0.0 is ON, the states of M0~M5 are shifted by one bit to the left, the state of M0 is cleared to

0, and the state of M5 is transmitted to the carry flag SM602.

Additional remark:

If D+n-1 exceeds the device range, the instruction is not executed, SM0 is ON, and the error

code in SR0 is 16#2003.

If n is less than 1, or if n is larger than 1024, the instruction is not executed, SM0 is ON, and

the error code in SR0 is 16#200B.

Pulse instruction 16-bit instruction (5 steps) 32-bit instruction

D ： Initial device involve in the shift

n ： Data length

After the s hift

Ch a pt er 6 Ap p l i ed I ns t r uc t i ons

Shifting the states of the n bit

devices by one bit to the left

Being c leared to 0

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