Patching MechCommander's Infamous Left Arm Bug for Fun and Profit

Patching MechCommander's "left arm bug" for fun and profit

12Narann💬 1
Patching MechCommander's Infamous Left Arm Bug for Fun and Profit

I spent a day reverse-engineering MechCommander 1 using Ghidra to fix a quirky bug where all large weapons are forced into the left arm. By analyzing the game's machine code and debugging symbols, I discovered why the original developers misclassified weapons from the Desperate Measures expansion. This fix ensures that losing a single arm no longer instantly destroys a mech loaded with heavy firepower.

"So the first and most obvious takeaway is that LRMs come in racks but SRMs come in packs, which is vital information for defeating the Clan invaders."