Enter the following codes on land or in ship command mode:

A, X, Y, B, Y, B, X, B, B, A - accrue 100,000 gold
A, Y, X, X, Y, Y, B, Y, X, A - god mode for self and your ship. Sails and ship crew unaffected.
A, B, Y, X, Y, B, B, Y, B, A - accure 50 Skill Points
A, X, Y, X, Y, B, B, Y, B, A - sets reputation to neutral