BADZPEEKARG, Missing, invalid or surplus xxxx parameter for $ZPEEK()
Run Time Error: One of the parameters specified to $ZPEEK() is incorrect. Possible values of xxxx:
mnemonic type - The mnemonic in the first argument is unknown.
offset - Expected non-negative numeric value which is either missing or invalid.
length - Expected non-negative numeric value which is either missing or invalid.
format - Expected a single character format code which is either missing or invalid.
Action: Review the invocation and correct the defective parameter.