Valdec

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Deincrement Bit Value BINARY

Taking the top value of the stack as bits, subtracts one. Underflow is ignored.

Bitwise Command:

~	Complement
&	AND
\|	OR
^	XOR
++	increment stack value
--	deincrement stack value
-	negate stack value
<<	bit shift left
>>	bit shift right

Example:

-5 --

would place -4 on the stack.

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