Display Triangle Selection Menu

#   ROUTINE: DISPLAY TRIANGLE SELECTION MENU
#   This routine gets called when hitting the Triangle button on the map, bringing up the selection menu.
#   This entire routine has no discernable effect in the pSX emulator except for the call (at 0x8013c010) to the routine at 0x80138ed8, which brings up the menu.
#   Nothing set here affects the menu that displays.

8013bfbc: 27bdffe8 addiu r29,r29,-0x0018
8013bfc0: afbf0010 sw r31,0x0010(r29)
8013bfc4: 0c052752 jal 0x80149d48               #   ROUTINE: ? 0x149d48 (0x42 = 66)             // No discernable effect if removed
8013bfc8: 34040042 ori r4,r0,0x0042
                                                #   while (
8013bfcc: 0c02385f jal 0x8008e17c               #       ROUTINE: result = ? 0x8e17c
8013bfd0: 00000000 nop
8013bfd4: 14400006 bne r2,r0,0x8013bff0         #       (result != 0)
8013bfd8: 00000000 nop
8013bfdc: 3c028016 lui r2,0x8016
8013bfe0: 9442604a lhu r2,0x604a(r2)            #       *0x8016604a
8013bfe4: 00000000 nop
8013bfe8: 10400005 beq r2,r0,0x8013c000         #       or (*0x8016604a != 0)) {
8013bfec: 00000000 nop
8013bff0: 0c0532a0 jal 0x8014ca80               #           ROUTINE: ? 0x14ca80
8013bff4: 00000000 nop
8013bff8: 0804eff3 j 0x8013bfcc
8013bffc: 00000000 nop                          #   }
8013c000: 0c050af4 jal 0x80142bd0               #   ROUTINE: ? 0x142bd0 (0xfe)                  // No discernable effect if removed
8013c004: 340400fe ori r4,r0,0x00fe             #   0xfe
8013c008: 3c018016 lui r1,0x8016
8013c00c: ac206044 sw r0,0x6044(r1)             #   *0x80166044 = 0
8013c010: 0c04e3b6 jal 0x80138ed8               #   ROUTINE: Display Simple Selection Menu
8013c014: 00000000 nop
8013c018: 8fbf0010 lw r31,0x0010(r29)
8013c01c: 27bd0018 addiu r29,r29,0x0018
8013c020: 03e00008 jr r31
8013c024: 00000000 nop