In the Spell screen, press F9, type "MAKEFASTER" and press Esc.

Now you can move faster through the dungeons without using a spell!

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Source: Amiga Future GTT

Save file editing: Edit "save01.dat" with a binary editor (e.g. Zaphod).

Position (Hex/Dec) - Function - Potion color:
12-15 (24-27) = Strength (Green)
16-19 (28-31) = Health (Blue)
20-23 (32-35) = Armor (Red)
24-27 (36-39) = Speed (Yellow)

The easiest method is to enter a value between 00 and 09 for the last byte of a scanned potion. Larger values won't be displayed by the program.