[ELWNS] Number Shuffle - Crashes on creating board (2nd step of a game)

[tuday2]

Module Information

• Identifier: ELWNS
• Module Name: Number Shuffle
• Version: 1.0

Describe the bug Crashes on creating board (2nd step of a game)

To Reproduce Steps to reproduce the behavior:

1. Add module to moduleConfig.json
2. Start MBBSEmu
3. Enter game and select size of grid
4. See error

Expected behavior Able to play Number Shuffle

Screenshots

Unhandled exception. System.DivideByZeroException: Attempted to divide by zero.
   at System.Math.DivRem(Int32 a, Int32 b, Int32& result)
   at MBBSEmu.HostProcess.ExportedModules.Majorbbs.f_ldiv()
   at MBBSEmu.HostProcess.ExportedModules.Majorbbs.Invoke(UInt16 ordinal, Boolean offsetsOnly)
   at MBBSEmu.HostProcess.ExecutionUnits.ExecutionUnit.ExternalFunctionDelegate(UInt16 ordinal, UInt16 functionOrdinal)
   at MBBSEmu.HostProcess.ExecutionUnits.ExecutionUnit.Execute(IntPtr16 entryPoint, UInt16 channelNumber, Boolean simulateCallFar, Boolean bypassState, Queue`1 initialStackValues, UInt16 initialStackPointer)
   at MBBSEmu.Module.MbbsModule.Execute(IntPtr16 entryPoint, UInt16 channelNumber, Boolean simulateCallFar, Boolean bypassSetState, Queue`1 initialStackValues, UInt16 initialStackPointer)
   at MBBSEmu.HostProcess.MbbsHost.WorkerThread()
   at System.Threading.ThreadHelper.ThreadStart_Context(Object state)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
--- End of stack trace from previous location where exception was thrown ---
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Threading.ThreadHelper.ThreadStart()

Software Information:

• OS: Windows Server 2019 Standard
• Telnet Client: NetRunner
• MBBSEmu Build: 100220-5

[tuday2]

This is also a problem in Ringmasters when viewing top score

[enusbaum]

We need to add Divide By 0 checking to the Exported Ordinal F_LDIV in MAJORBBS

[tuday2]

WG3 module, not compatible.