ZVISION: Add workaround for ZGI bug #10605 #1236
This is one possible way of working around ZGI bug #10605. It was possible for the "Fire! Fire!" timer to get stuck if you brought up the inventory screen before it had timed out. (Unless you brought it up very quickly so that there was still more than 10 units left on the clock.)
I have a sneaking suspicion that there may be other timer-related script bugs, but I haven't looked for them. See the bug report for some further thoughts.
I should mention that I haven't been able to get ZGI to run under Wine (I know it should be possible, but it didn't work for me), so I haven't been able to verify that it also happens in the original.
If it doesn't happen in the original, then it's probably a bug in how ScummVM handles ZVision's timers.