Mark Thread As Running (WORLD.BIN)

#   ROUTINE: Mark Thread As Running (WORLD.BIN)
#       Analog to Mark Thread As Running in BATTLE.BIN.
#       Marks specified thread as in use.
#       Parameters:
#           r4 = (threadIndex) Specified thread index

800ffdf4: 3c028015 lui r2,0x8015
800ffdf8: 8c42327c lw r2,0x327c(r2)                     #   threads
800ffdfc: 00042280 sll r4,r4,0x0a                       #   threadIndex * sizeof(thread)
800ffe00: 00822021 addu r4,r4,r2                        #   threads[threadIndex]
800ffe04: 34020001 ori r2,r0,0x0001
800ffe08: 03e00008 jr r31
800ffe0c: ac820048 sw r2,0x0048(r4)                     #   threads[threadIndex].isRunning = true