View source for Move find item flag calculation

 #Parameters
     #r4 = map ID
     #r5 = trap flags?
     #r6 = ??
         0: trap?
         1: item?
 
 
 001804c4: 000417c2 srl r2,r4,0x1f
 001804c8: 00821021 addu r2,r4,r2
 001804cc: 00023843 sra r7,r2,0x01
 001804d0: 30840001 andi r4,r4,0x0001
 001804d4: 00042080 sll r4,r4,0x02
 001804d8: 00852021 addu r4,r4,r5
 001804dc: 34020080 ori r2,r0,0x0080
 001804e0: 10c0000b beq r6,r0,0x00180510		branch if trap?
 001804e4: 00822007 srav r4,r2,r4
 
 item?
 001804e8: 3c018006 lui r1,0x8006
 001804ec: 00270821 addu r1,r1,r7
 001804f0: 90239414 lbu r3,-0x6bec(r1)			load move find item flags?
 001804f4: 00000000 nop
 001804f8: 00831825 or r3,r4,r3
 001804fc: 3c018006 lui r1,0x8006
 00180500: 00270821 addu r1,r1,r7
 00180504: a0239414 sb r3,-0x6bec(r1)			store new move find item flags
 00180508: 0806014a j 0x00180528			jump to End
 0018050c: 34020001 ori r2,r0,0x0001			return r2 = 1
 
 trap?
 00180510: 3c018006 lui r1,0x8006
 00180514: 00270821 addu r1,r1,r7
 00180518: 90229414 lbu r2,-0x6bec(r1)			load move find item flags
 0018051c: 00000000 nop
 00180520: 00441024 and r2,r2,r4
 00180524: 2c420001 sltiu r2,r2,0x0001
 
 End:
 00180528: 03e00008 jr r31
 0018052c: 00000000 nop
 
== Return Locations ==
 
 001802a0: [[Rare/common item determination]]
 001803e0: [[Set map Item/trap data]]