UnreadabIe

UnreadabIe is an esoteric programming language made by User:A. It is a substitution of Unreadable. (" is substituted by ˈ.)

Commands

The commands are:

'X	Print X as a Unicode character and return X.
'ˈˈX	Return X + 1.
'ˈˈˈ	Return 1.
'ˈˈˈˈXY	Do both X and Y and return what Y returned.
'ˈˈˈˈˈXY	Do Y while X is not 0 and return the last result.
'ˈˈˈˈˈˈXY	Set variable number X to Y and return Y.
'ˈˈˈˈˈˈˈX	Return the value of variable X, or 0 if the variable has never been assigned.
'ˈˈˈˈˈˈˈˈX	Return X - 1.
'ˈˈˈˈˈˈˈˈˈXYZ	If X is not 0 do Y else do Z. Return what Y/Z returned.
'ˈˈˈˈˈˈˈˈˈˈ	Return a single Unicode character which has been read from stdin, or -1 if stdin is exhausted.