World Map Scripts

The Main Routine that handles how the World Map Scripts are read, more research to be done.

00091238: 27bdffd8 addiu r29,r29,0xffd8			  
0009123c: 3c03800d lui r3,0x800d				  
00091240: 8c634674 lw r3,0x4674(r3)				  
00091244: 00042040 sll r4,r4,0x01				  
00091248: afbf0024 sw r31,0x0024(r29)			  
0009124c: afb40020 sw r20,0x0020(r29)			  
00091250: afb3001c sw r19,0x001c(r29)			  
00091254: afb20018 sw r18,0x0018(r29)			  
00091258: afb10014 sw r17,0x0014(r29)			  
0009125c: afb00010 sw r16,0x0010(r29)			  
00091260: 00832021 addu r4,r4,r3				  
00091264: 94820000 lhu r2,0x0000(r4)			  
00091268: 3c04800d lui r4,0x800d			r4 = 0x800d0000
0009126c: 24844648 addiu r4,r4,0x4648			r4 = 0x800d4648
00091270: 3042fffe andi r2,r2,0xfffe			
00091274: 00621821 addu r3,r3,r2				
00091278: ac830000 sw r3,0x0000(r4)				
0009127c: 3c02800d lui r2,0x800d				
00091280: 8c424648 lw r2,0x4648(r2)				
00091284: 00a0a021 addu r20,r5,r0			Move r5 to r20
00091288: 94430000 lhu r3,0x0000(r2)			
0009128c: 00000000 nop							
00091290: 10600031 beq r3,r0,0x00091358			
00091294: 00008821 addu r17,r0,r0			r17 = 0x0000
00091298: 24920004 addiu r18,r4,0x0004			r18 = 0x800d464c
0009129c: 24900008 addiu r16,r4,0x0008			r16 = 0x800d4650
000912a0: 3c13800a lui r19,0x800a			r19 = 0x800a0000
000912a4: 2673ee50 addiu r19,r19,0xee50			r19 = 0x8009ee50 ?????????
000912a8: 3c02800d lui r2,0x800d				
000912ac: 8c424674 lw r2,0x4674(r2)				
000912b0: 3063fffe andi r3,r3,0xfffe			
000912b4: a6400004 sh r0,0x0004(r18)			Store World Map Control byte total as 0x0000
000912b8: ae40fff8 sw r0,-0x0008(r18)			Store value at 0x800D4648 as 0x00000000
000912bc: 00431021 addu r2,r2,r3				
000912c0: ae420000 sw r2,0x0000(r18)			
000912c4: 96030000 lhu r3,0x0000(r16)			Load World Map Control byte total
000912c8: 3c04800d lui r4,0x800d			r4 = 0x800d0000
000912cc: 8c84464c lw r4,0x464c(r4)			Load Pointer to the World Map Control offset into r4
000912d0: 00031040 sll r2,r3,0x01			World Map Control byte * 2
000912d4: 00441021 addu r2,r2,r4			World Map Control offset + World Map Control byte * 2
000912d8: 94420000 lhu r2,0x0000(r2)			Load value into r2 (Controller to the World Map)
000912dc: 24630001 addiu r3,r3,0x0001			World Map Control byte ++
000912e0: a6030000 sh r3,0x0000(r16)			Store new byte total into 0x800d4650
000912e4: 00021080 sll r2,r2,0x02			Controller value * 4
000912e8: 00531021 addu r2,r2,r19			0x8009ee50 + Controller value * 4
000912ec: 8c420000 lw r2,0x0000(r2)			Load pointer to World Map Control Routine
000912f0: 00000000 nop							
000912f4: 0040f809 jalr r2,r31				Jump and Link to routine
000912f8: 00000000 nop
000912fc: 8e02fff4 lw r2,-0x000c(r16)			Load Word at 0x800D4644
00091300: 00000000 nop							
00091304: 30420003 andi r2,r2,0x0003			
00091308: 1040ffee beq r2,r0,0x000912c4			Loop if 0x800D4644 never has flags 0x01 or 0x02 set
0009130c: 00000000 nop							
00091310: 3c03800d lui r3,0x800d			r3 = 0x800d0000
00091314: 8c634644 lw r3,0x4644(r3)			Load Word at 0x800D4644 into r3
00091318: 00000000 nop							
0009131c: 30620001 andi r2,r3,0x0001			
00091320: 10400003 beq r2,r0,0x00091330			Branch if flag 0x0001 is not set
00091324: 00741024 and r2,r3,r20
00091328: 1440000c bne r2,r0,0x0009135c
0009132c: 34020001 ori r2,r0,0x0001
00091330: 26310001 addiu r17,r17,0x0001			r17++
00091334: 3222ffff andi r2,r17,0xffff			
00091338: 3c03800d lui r3,0x800d				
0009133c: 8c634648 lw r3,0x4648(r3)				
00091340: 00021040 sll r2,r2,0x01			r17 * 2
00091344: 00431021 addu r2,r2,r3				
00091348: 94430000 lhu r3,0x0000(r2)			
0009134c: 00000000 nop							
00091350: 1460ffd5 bne r3,r0,0x000912a8			
00091354: 00000000 nop							
00091358: 00001021 addu r2,r0,r0			r2 = 0x0000
0009135c: 8fbf0024 lw r31,0x0024(r29)
00091360: 8fb40020 lw r20,0x0020(r29)
00091364: 8fb3001c lw r19,0x001c(r29)
00091368: 8fb20018 lw r18,0x0018(r29)
0009136c: 8fb10014 lw r17,0x0014(r29)
00091370: 8fb00010 lw r16,0x0010(r29)
00091374: 27bd0028 addiu r29,r29,0x0028
00091378: 03e00008 jr r31
0009137c: 00000000 nop