Difference between revisions of "Get unit misc data that matches r4 ID"
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Need r4 = Unit X ID | Need r4 = Unit X ID | ||
| − | Return r2 = Unit | + | Return r2 = Unit X data pointer / If not found = 0x00 |
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0007a724: 3c03800a lui r3,0x800a | 0007a724: 3c03800a lui r3,0x800a | ||
Revision as of 19:20, 17 June 2021
Need r4 = Unit X ID Return r2 = Unit X data pointer / If not found = 0x00 ------------------------------------------ 0007a724: 3c03800a lui r3,0x800a 0007a728: 8c638a54 lw r3,-0x75ac(r3) r3 = pointer to last units misc data? ( 0x80098a54 ) 0007a72c: 00000000 nop 0007a730: 1060000e beq r3,r0,0x0007a76c #If r3 <> 0x00 (skip if unit is the first unit ?) / Else branch to END 0007a734: 00001021 addu r2,r0,r0 |return r2 = 0 0007a738: 3084ffff andi r4,r4,0xffff |r4 = r4 last 2 bytes 0007a73c: 8c620134 lw r2,0x0134(r3) @ r2 = units data ( 0x80098b88 ) 0007a740: 00000000 nop 0007a744: 10400005 beq r2,r0,0x0007a75c #If r2 <> 0x00 - Else branch (scan previous unit) 0007a748: 00000000 nop | 0007a74c: 9042018a lbu r2,0x018a(r2) |r2 = unit ID (unit data 0x018a ) 0007a750: 00000000 nop | 0007a754: 10440005 beq r2,r4,0x0007a76c #If r2 <> r4 (Inherited unit ID from call) / Else branch to END (with r2 = r4's unit pointer) if unit ID is the last unit ID? 0007a758: 00601021 addu r2,r3,r0 |r2 = r3 (=r4's unit data pointer) 0007a75c: 8c630000 lw r3,0x0000(r3) E# |load previous units misc data 0007a760: 00000000 nop | 0007a764: 1460fff5 bne r3,r0,0x0007a73c >step back until first unit is reached 0007a768: 00001021 addu r2,r0,r0 |return r2 = 0? 0007a76c: 03e00008 jr r31 0007a770: 00000000 nop
Return location
00068ea8: Special_Status_Flag_Enabling?
