0007a7b8 - 0007a83c
Revision as of 10:32, 11 February 2024 by RetroTypes (talk | contribs)
#Parameters:
#r4 = Misc Unit ID
#Returns:
#r2 = 0 if invalid unit
= 1 if ?
0007a7b8: 27bdffe8 addiu r29,r29,-0x0018 0007a7bc: afbf0010 sw r31,0x0010(r29) 0007a7c0: 0c01e9b9 jal 0x0007a6e4 #Find Current Misc Unit Data Pointer (external ID)? 0007a7c4: 3084ffff andi r4,r4,0xffff # 0007a7c8: 00402821 addu r5,r2,r0 #r5 = Misc Unit Data Pointer 0007a7cc: 10a00017 beq r5,r0,0x0007a82c #Branch if invalid Unit ID 0007a7d0: 00000000 nop # 0007a7d4: 3c03800a lui r3,0x800a # 0007a7d8: 24638a54 addiu r3,r3,-0x75ac #r3 = Last Unit misc data pointer? 0007a7dc: 10600014 beq r3,r0,0x0007a830 #Branch if invalid Unit ID 0007a7e0: 00001021 addu r2,r0,r0 #Return r2 = 0 0007a7e4: 8c620000 lw r2,0x0000(r3) #r2 = Pointer to next previous unit's misc data 0007a7e8: 00000000 nop # 0007a7ec: 10450006 beq r2,r5,0x0007a808 #Branch if current unit is previous unit 0007a7f0: 00000000 nop # 0007a7f4: 00401821 addu r3,r2,r0 #r3 = pointer to previous unit's misc data 0007a7f8: 1460fffa bne r3,r0,0x0007a7e4 #^Loop if not first unit? 0007a7fc: 00001021 addu r2,r0,r0 #r2 = 0 0007a800: 0801ea0c j 0x0007a830 #Jump to End 0007a804: 00000000 nop # 0007a808: 8ca20000 lw r2,0x0000(r5) #r2 = Pointer to previous unit's misc data 0007a80c: 3c04800a lui r4,0x800a # 0007a810: 24848a54 addiu r4,r4,-0x75ac #r4 = Last Unit misc data pointer? 0007a814: ac620000 sw r2,0x0000(r3) #Save ? 0007a818: 8c830000 lw r3,0x0000(r4) #r3 = ? 0007a81c: 34020001 ori r2,r0,0x0001 #r2 = 1 0007a820: aca30000 sw r3,0x0000(r5) #Save ? 0007a824: 0801ea0c j 0x0007a830 #Jump to END 0007a828: ac850000 sw r5,0x0000(r4) #Save ? 0007a82c: 00001021 addu r2,r0,r0 #r2 = 0 (fail case) End: 0007a830: 8fbf0010 lw r31,0x0010(r29) 0007a834: 27bd0018 addiu r29,r29,0x0018 0007a838: 03e00008 jr r31 0007a83c: 00000000 nop
