Game locks up if active worm dies while executing a Fire Punch

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TO-DO: See if this bug can be recreated in the Amiga version of the original Worms; see if it can be recreated on a genuine Amiga instead of just in emulation; confirm whether the Escape key works when the game enters its stalemate situation.

If, while executing a Fire Punch, the worm falls into the water and dies, the game stops at the "{WORMNAME} IS AN EX-WORM" message. Moving the mouse still allows you to look at the map, and the water continues to animate as normal, however the game cannot proceed.

Recreating this glitch

In order to recreate it, the following requirements must be met:

Wdc-dpglitch-00.gif The target worm must be standing on a ledge not unlike this one; narrow, ideally only a pixel wide. Curved edges such as this circular terrain work best. The drop beneath the ledge must lead directly into the water.
Wdc-dpglitch-01.gif The active worm who is to perform the Fire Punch must stand on top of the worm, not beside it. It is crucial that the worm is not standing too far back, otherwise it will simply land on the terrain during its descent.
Wdc-dpglitch-02.gif The active worm performs the Fire Punch and freefalls into the water, at which point the game cannot continue. The mouse remains responsive but the game is unable to end the turn.

Possible Causes

The most likely explanation is that WormsDC is waiting for the attacking worm to come to rest, but as it never does so the turn cannot technically be brought to an end and the game cannot continue.

Testing oddities

During testing in emulation, the emulated Amiga 1200 would also lock-up at Workbench temporarily during start-up after this glitch had been performed. Additionally when this bug was first discovered, reloading WormsDC would cause the game to crash during loading as it would if booted on an Amiga CD32, however this has not occurred during follow-up testing.

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