AMOSi:Serial Parity
an example can be found on AMOSPro_Examples:Examples/H-4/Help_47.AMOS
Sets the parity checking you are using for the current serial channel.
Serial Parity channel, parity
Here's a list of the available options.
-1 : no parity
0 : EVEN parity 1 : ODD parity 2 : SPACE parity 3 : MARK parity
See the Commodore documentation for a full explanation of this system.