Decompile pakRetrieveBlockFromCache
This commit is contained in:
Ryan Dwyer
parent
b99d9cd8bf
commit
303ae5c1a3
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@ -750,141 +750,23 @@ void pak0f1173e4(s8 device)
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g_Paks[device].unk2b8_01 = 0;
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}
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#if VERSION >= VERSION_NTSC_1_0
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GLOBAL_ASM(
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glabel pak0f117430
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/* f117430: 27bdffc8 */ addiu $sp,$sp,-56
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/* f117434: afbf0014 */ sw $ra,0x14($sp)
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/* f117438: afa40038 */ sw $a0,0x38($sp)
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/* f11743c: afa5003c */ sw $a1,0x3c($sp)
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/* f117440: afa60040 */ sw $a2,0x40($sp)
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/* f117444: 0fc45974 */ jal pakGetBlockSize
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/* f117448: 83a4003b */ lb $a0,0x3b($sp)
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/* f11744c: 83ae003b */ lb $t6,0x3b($sp)
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/* f117450: 3c18800a */ lui $t8,%hi(g_Paks)
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/* f117454: 27182380 */ addiu $t8,$t8,%lo(g_Paks)
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/* f117458: 000e7880 */ sll $t7,$t6,0x2
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/* f11745c: 01ee7823 */ subu $t7,$t7,$t6
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/* f117460: 000f7880 */ sll $t7,$t7,0x2
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/* f117464: 01ee7823 */ subu $t7,$t7,$t6
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/* f117468: 000f7880 */ sll $t7,$t7,0x2
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/* f11746c: 01ee7821 */ addu $t7,$t7,$t6
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/* f117470: 000f7880 */ sll $t7,$t7,0x2
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/* f117474: 01ee7823 */ subu $t7,$t7,$t6
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/* f117478: 000f7880 */ sll $t7,$t7,0x2
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/* f11747c: 01f84021 */ addu $t0,$t7,$t8
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/* f117480: 910502be */ lbu $a1,0x2be($t0)
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/* f117484: 28a10032 */ slti $at,$a1,0x32
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/* f117488: 50200021 */ beqzl $at,.L0f117510
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/* f11748c: 00001025 */ or $v0,$zero,$zero
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/* f117490: 18a0001e */ blez $a1,.L0f11750c
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/* f117494: 00001825 */ or $v1,$zero,$zero
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/* f117498: 8fb9003c */ lw $t9,0x3c($sp)
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/* f11749c: 00003825 */ or $a3,$zero,$zero
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/* f1174a0: 8d0402c0 */ lw $a0,0x2c0($t0)
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/* f1174a4: 0322001b */ divu $zero,$t9,$v0
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/* f1174a8: 00003012 */ mflo $a2
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/* f1174ac: 14400002 */ bnez $v0,.L0f1174b8
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/* f1174b0: 00000000 */ sll $zero,$zero,0x0
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/* f1174b4: 0007000d */ break 0x7
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.L0f1174b8:
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/* f1174b8: 8c890000 */ lw $t1,0x0($a0)
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/* f1174bc: 24630001 */ addiu $v1,$v1,0x1
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/* f1174c0: 0065082a */ slt $at,$v1,$a1
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/* f1174c4: 14c9000f */ bne $a2,$t1,.L0f117504
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/* f1174c8: 24840024 */ addiu $a0,$a0,0x24
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/* f1174cc: 83a4003b */ lb $a0,0x3b($sp)
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/* f1174d0: afa7001c */ sw $a3,0x1c($sp)
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/* f1174d4: 0fc45974 */ jal pakGetBlockSize
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/* f1174d8: afa80024 */ sw $t0,0x24($sp)
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/* f1174dc: 8fa80024 */ lw $t0,0x24($sp)
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/* f1174e0: 8fa7001c */ lw $a3,0x1c($sp)
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/* f1174e4: 8fa40040 */ lw $a0,0x40($sp)
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/* f1174e8: 8d0a02c0 */ lw $t2,0x2c0($t0)
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/* f1174ec: 00403025 */ or $a2,$v0,$zero
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/* f1174f0: 01472821 */ addu $a1,$t2,$a3
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/* f1174f4: 0c012978 */ jal memcpy
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/* f1174f8: 24a50004 */ addiu $a1,$a1,0x4
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/* f1174fc: 10000004 */ beqz $zero,.L0f117510
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/* f117500: 24020001 */ addiu $v0,$zero,0x1
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.L0f117504:
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/* f117504: 1420ffec */ bnez $at,.L0f1174b8
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/* f117508: 24e70024 */ addiu $a3,$a3,0x24
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.L0f11750c:
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/* f11750c: 00001025 */ or $v0,$zero,$zero
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.L0f117510:
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/* f117510: 8fbf0014 */ lw $ra,0x14($sp)
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/* f117514: 27bd0038 */ addiu $sp,$sp,0x38
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/* f117518: 03e00008 */ jr $ra
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/* f11751c: 00000000 */ sll $zero,$zero,0x0
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);
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#else
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GLOBAL_ASM(
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glabel pak0f117430
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/* f111794: 27bdffc8 */ addiu $sp,$sp,-56
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/* f111798: afbf0014 */ sw $ra,0x14($sp)
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/* f11179c: afa40038 */ sw $a0,0x38($sp)
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/* f1117a0: afa5003c */ sw $a1,0x3c($sp)
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/* f1117a4: afa60040 */ sw $a2,0x40($sp)
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/* f1117a8: 0fc4428c */ jal pakGetBlockSize
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/* f1117ac: 83a4003b */ lb $a0,0x3b($sp)
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/* f1117b0: 83ae003b */ lb $t6,0x3b($sp)
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/* f1117b4: 3c18800a */ lui $t8,0x800a
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/* f1117b8: 27186870 */ addiu $t8,$t8,0x6870
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/* f1117bc: 000e7880 */ sll $t7,$t6,0x2
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/* f1117c0: 01ee7823 */ subu $t7,$t7,$t6
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/* f1117c4: 000f7880 */ sll $t7,$t7,0x2
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/* f1117c8: 01ee7823 */ subu $t7,$t7,$t6
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/* f1117cc: 000f78c0 */ sll $t7,$t7,0x3
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/* f1117d0: 01ee7821 */ addu $t7,$t7,$t6
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/* f1117d4: 000f78c0 */ sll $t7,$t7,0x3
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/* f1117d8: 01f84021 */ addu $t0,$t7,$t8
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/* f1117dc: 910502be */ lbu $a1,0x2be($t0)
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/* f1117e0: 28a10032 */ slti $at,$a1,0x32
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/* f1117e4: 50200021 */ beqzl $at,.NB0f11186c
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/* f1117e8: 00001025 */ or $v0,$zero,$zero
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/* f1117ec: 18a0001e */ blez $a1,.NB0f111868
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/* f1117f0: 00001825 */ or $v1,$zero,$zero
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/* f1117f4: 8fb9003c */ lw $t9,0x3c($sp)
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/* f1117f8: 00003825 */ or $a3,$zero,$zero
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/* f1117fc: 8d0402c0 */ lw $a0,0x2c0($t0)
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/* f111800: 0322001b */ divu $zero,$t9,$v0
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/* f111804: 00003012 */ mflo $a2
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/* f111808: 14400002 */ bnez $v0,.NB0f111814
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/* f11180c: 00000000 */ sll $zero,$zero,0x0
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/* f111810: 0007000d */ break 0x7
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.NB0f111814:
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/* f111814: 8c890000 */ lw $t1,0x0($a0)
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/* f111818: 24630001 */ addiu $v1,$v1,0x1
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/* f11181c: 0065082a */ slt $at,$v1,$a1
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/* f111820: 14c9000f */ bne $a2,$t1,.NB0f111860
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/* f111824: 24840024 */ addiu $a0,$a0,0x24
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/* f111828: 83a4003b */ lb $a0,0x3b($sp)
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/* f11182c: afa7001c */ sw $a3,0x1c($sp)
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/* f111830: 0fc4428c */ jal pakGetBlockSize
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/* f111834: afa80024 */ sw $t0,0x24($sp)
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/* f111838: 8fa80024 */ lw $t0,0x24($sp)
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/* f11183c: 8fa7001c */ lw $a3,0x1c($sp)
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/* f111840: 8fa40040 */ lw $a0,0x40($sp)
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/* f111844: 8d0a02c0 */ lw $t2,0x2c0($t0)
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/* f111848: 00403025 */ or $a2,$v0,$zero
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/* f11184c: 01472821 */ addu $a1,$t2,$a3
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/* f111850: 0c012e88 */ jal memcpy
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/* f111854: 24a50004 */ addiu $a1,$a1,0x4
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/* f111858: 10000004 */ beqz $zero,.NB0f11186c
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/* f11185c: 24020001 */ addiu $v0,$zero,0x1
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.NB0f111860:
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/* f111860: 1420ffec */ bnez $at,.NB0f111814
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/* f111864: 24e70024 */ addiu $a3,$a3,0x24
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.NB0f111868:
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/* f111868: 00001025 */ or $v0,$zero,$zero
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.NB0f11186c:
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/* f11186c: 8fbf0014 */ lw $ra,0x14($sp)
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/* f111870: 27bd0038 */ addiu $sp,$sp,0x38
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/* f111874: 03e00008 */ jr $ra
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/* f111878: 00000000 */ sll $zero,$zero,0x0
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);
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#endif
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bool pakRetrieveBlockFromCache(s8 device, u32 offset, u8 *dst)
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{
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u32 blocksize = pakGetBlockSize(device);
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u32 stack;
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s32 i;
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if (g_Paks[device].headercachecount < MAX_HEADERCACHE_ENTRIES) {
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for (i = 0; i < g_Paks[device].headercachecount; i++) {
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if (offset / blocksize == g_Paks[device].headercache[i].blocknum) {
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memcpy(dst, g_Paks[device].headercache[i].payload, pakGetBlockSize(device));
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return true;
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}
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}
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}
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return false;
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}
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u32 pakReadHeaderAtOffset(s8 device, u32 offset, struct pakfileheader *header)
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{
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@ -8527,7 +8409,7 @@ glabel pak0f11b86c
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/* f11b95c: 00047603 */ sra $t6,$a0,0x18
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/* f11b960: 01c02025 */ or $a0,$t6,$zero
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/* f11b964: 8fa50134 */ lw $a1,0x134($sp)
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/* f11b968: 0fc45d0c */ jal pak0f117430
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/* f11b968: 0fc45d0c */ jal pakRetrieveBlockFromCache
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/* f11b96c: 27a600e0 */ addiu $a2,$sp,0xe0
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/* f11b970: 5040000e */ beqzl $v0,.L0f11b9ac
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/* f11b974: 8e650008 */ lw $a1,0x8($s3)
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@ -8772,7 +8654,7 @@ glabel pak0f11b86c
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/* f1158d4: 00046e03 */ sra $t5,$a0,0x18
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/* f1158d8: 01a02025 */ or $a0,$t5,$zero
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/* f1158dc: 8fa50134 */ lw $a1,0x134($sp)
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/* f1158e0: 0fc445e5 */ jal pak0f117430
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/* f1158e0: 0fc445e5 */ jal pakRetrieveBlockFromCache
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/* f1158e4: 27a600e4 */ addiu $a2,$sp,0xe4
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/* f1158e8: 5040000e */ beqzl $v0,.NB0f115924
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/* f1158ec: 8e650008 */ lw $a1,0x8($s3)
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@ -37,7 +37,7 @@ s32 pakGetBodyLenByType(s8 device, u32 filetype);
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void pak0f117150(s8 device, u8 *ptr);
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void pak0f1171b4(s8 device, s32 arg1, s32 arg2);
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s32 pakGetUnk008(s8 device);
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u32 pak0f117430(void);
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bool pakRetrieveBlockFromCache(s8 device, u32 offset, u8 *dst);
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u32 pakReadHeaderAtOffset(s8 device, u32 offset, struct pakfileheader *header);
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void pakDumpBuffer(u8 *buffer, u32 len, char *name);
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void pakDumpEeprom(void);
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