Damage dealt disappears too quickly when an RTG board is emulated
From Worms Knowledge Base
When emulating an Amiga with a Real Time Graphics board such as a Zorro III, the damage dealt appears on the screen for a fraction of the time it appears on an unaccelerated Amiga. This can make it difficult to see how much damage was dealt by an attack.
This glitch does not occur on a real Amiga with an RTG board.