6F3B0253
7. Instructions
FUN 090
MPX
Multiplexer
Expression
Input − [ A MPX (n) B → C ]− Output
Function
When the input is ON, the data of the register which is designated by B in the table, size n starting with A, is transferred to C.
Execution condition
Input | Operation | Output |
OFF | No execution | OFF |
ON | Normal execution | OFF |
| Pointer over (no execution) | ON |
Operand
| Name |
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| Device |
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| Register |
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| Constant | Index | ||
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| X | Y | R | S | T. | C. | XW | YW | RW | SW | T | C | D | I |
| J | K |
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A | Start of table |
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| √ | √ |
| √ | √ |
| √ | √ | √ |
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n | Table size |
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| 1 - 64 |
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B | Pointer |
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| √ | √ |
| √ | √ |
| √ | √ | √ | √ | √ | √ |
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| 0 - 63 |
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C | Destination |
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| √ |
| √ | √ | √ | √ | √ | √ | √ |
| √ |
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Example
When R010 is ON, the register data which is designated by RW30 is read from the table D0500 to D0509 (10 registers size), and stored in D0005.
If the data of RW30 is 7, D0507 data is transferred to D0005.
Source table | Pointer | Destination | ||
D0500 |
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| 0 | D0005 |
D0501 |
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| 1 |
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| |
D0507 | 12345 |
| 7 |
|
D0508 |
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| 8 |
|
D0509 |
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| 9 |
|
12345
Note
•If the pointer data designates outside the table (10 or more in the above example), the transfer is not executed and the output comes ON.
•The table must be within the effective range of the register address.
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