Cheat Edit

You will need a hex editor. Find the save game You want to change (they finish with .sav).
Change as follows:

Gold:
offset
14B80 to FF
14B81 to FF
14B82 to FF
Gives something like 16 000 000 of gold

Changing all the following offsets to FF value gives around 65000 for each category.

Iron:
offsets
14B88
14B89

Stone:
14B90
14B91

Wood:
14B98
14B99

Crossbows:
14BA8
14BA9

Maces:
14BAC
14BAD

Swords:
14BB0
14BB1

Pikes:
14BB4
14BB5

Bows:
14BB8
14BB9

Armor:
14BBC
14BBD

So there you are. EASY...