Toshiba PROSEC T1 User Manual page 169

FUN 035
Expression
Input -[ A +C B ® C ]- Output
Function
When the input is ON, the data of A , B and the carry flag (CF = S050) are added, and the result is
stored in C . If carry is occurred in the operation, the carry flag is set to ON. If the result is greater than
32767 or smaller than -32768, the output is turned ON.
This instruction is used to perform unsigned addition or double-length addition.
Execution condition
Input
OFF No execution
ON Execution
Operand
Name
A Augend
B Addend
C Sum
Example
When R013 is ON, the data of double-length registers D0101×D0100 and RW21×RW20 are
added, and the result is stored in D0201×D0200. The RSTC is a instruction to reset the carry flag
before starting the calculation.
If the data of D0101×D0100 is 12345678 and RW21×RW20 is 54322, the result 12400000 is stored
in D0201×D0200.
D0101×D0100 12345678
RW21×RW20
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+C Addition with carry
Operation
Normal No carry
Carry occurred
Overflow / No carry
underflow Carry occurred
Device
X Y R S T. C. XW YW RW SW T
54322
Output
OFF
OFF
OFF
ON
ON
Register
Ö Ö Ö Ö Ö
Ö Ö Ö Ö Ö
Ö Ö Ö Ö
+
D0201×D0200
Basic Hardware and Function
7. Instructions
CF
-
Reset
Set
Reset
Set
Constant Index
C D I J K
Ö Ö Ö Ö Ö
Ö Ö Ö Ö Ö
Ö Ö Ö Ö Ö
12400000
6F3B0250
Ö Ö
Ö Ö
Ö
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