Able to move/act checks (Menu?)

Able to move/act checks (Menu?)
00183d10: 27bdffe8 addiu r29,r29,0xffe8
00183d14: afb00010 sw r16,0x0010(r29)
00183d18: afbf0014 sw r31,0x0014(r29)
00183d1c: 0c0604c3 jal 0x0018130c		weapon guard usability checks
00183d20: 00808021 addu r16,r4,r0
00183d24: 9204005c lbu r4,0x005c(r16)		Load Current Status
00183d28: 92030187 lbu r3,0x0187(r16)		Load Movement Taken
00183d2c: 92050188 lbu r5,0x0188(r16)		Load Action Taken
00183d30: 30840008 andi r4,r4,0x0008		r4 = 8 if Don't Move
00183d34: 00642025 or r4,r3,r4			r4 =  if Don't move or movement taken
00183d38: 00a23025 or r6,r5,r2			r6=1 if action taken or ?? stop ride?
00183d3c: 00001021 addu r2,r0,r0
00183d40: 00651825 or r3,r3,r5			if movement taken or action taken
00183d44: 10800005 beq r4,r0,0x00183d5c		branch if able to move
00183d48: 00602821 addu r5,r3,r0		
00183d4c: 30c300ff andi r3,r6,0x00ff
00183d50: 10600002 beq r3,r0,0x00183d5c		branch if able to act
00183d54: 00000000 nop
00183d58: 0005102b sltu r2,r0,r5		r2=1 if action taken or movement taken?
00183d5c: 8fbf0014 lw r31,0x0014(r29)
00183d60: 8fb00010 lw r16,0x0010(r29)
00183d64: 27bd0018 addiu r29,r29,0x0018
00183d68: 03e00008 jr r31
00183d6c: 00000000 nop

Return Locations

00182e28:
00183c40: Various Flags r4= data pointer