Minecraft version

1.20.x

CodeChickenLib version

4.4.0.512

CBMultipart version

3.3.0.146

ProjectRed version

4.19.0-beta+11

What happened?

When using a multiplexer with IC Workbench or Fabricated Gate, if the bottom side is ON, the OR of the right side and left side is output on the upper side.

Bottom Side	Left Side	Right Side	Expected Top Side	Actual Top Side
❌Off	❌Off	❌Off	❌Off	❌Off
❌Off	✅On	❌Off	✅On	✅On
❌Off	❌Off	✅On	❌Off	❌Off
❌Off	✅On	✅On	✅On	✅On
✅On	❌Off	❌Off	❌Off	❌Off
✅On	✅On	❌Off	❌Off	✅On
✅On	❌Off	✅On	✅On	✅On
✅On	✅On	✅On	✅On	✅On

Crash log

None, It didn't get crashed

How do you make it happen again?

1. Place the IC Blueprint in IC Workbench and create the circuit as shown in the diagram above.
2. Compile the circuit.
3. Change the Simulation Input of IO Gate and check.
4. If necessary, remove the IC Blueprint from IC Workbench and right-click to get the Fabrication Gate to check.