1. Calculate the factorial of N FACT

1. Calculate the factorial of N FACT

1.1. Instruction description

Calculate the factorial of the value of register (I), where the maximum value of N is 12, and transfer the result to register (O).

1.2. The valid operands of the instruction

Input/Output Data Type operand Description
IN 16 bit integer D/CV/TV/AI/AO/K/H/V/Z/FD, bit composite word (X/Y/M/C/T/S), local variable (LW) Input
OUT 32-bit integer D/CV, bit composite word (Y/M/C/T/S), local variable (LD) output

1.3. Example

Command table:

NETWORK 000

LD M3

FACT K4 D0 //result D0(D1) = 24

FACT

图1 FACT