From 2b2dc15d6b79b51ffb09a9d1698bfa687363c242 Mon Sep 17 00:00:00 2001 From: Max Date: Wed, 21 Oct 2020 00:07:51 -0400 Subject: match func_801DB92C --- src/code_801DB81C.cpp | 148 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 148 insertions(+) create mode 100644 src/code_801DB81C.cpp (limited to 'src') diff --git a/src/code_801DB81C.cpp b/src/code_801DB81C.cpp new file mode 100644 index 0000000..8940b1d --- /dev/null +++ b/src/code_801DB81C.cpp @@ -0,0 +1,148 @@ +#include "types.h" +#include "unkStruct.h" +#include "SDK/os.h" + +extern "C" { + +// TODO: rename +struct unkClass3 +{ + u8 unk0; + u8 unk1; + u32 unk4; +}; + +// TODO: define, rename, localize +// extern unkClass3 lbl_80491370[32]; +extern u8 lbl_80491370; + + +extern u32 lbl_8063F2F8; +extern u32 lbl_8063F2FC; + +extern u8 lbl_8063F304; +extern u32 lbl_8063F308; + +//static +void func_801DB81C(u8 p1); + +void func_801DB92C(u8 p1, u8 p2, u32 p3); + + + +#ifdef NONMATCHING +// 1. wrong instruction order: loading lbl_80491370@ha before 0 +// 2. r30/r31 register swap + +//static +void func_801DB81C(u8 p1) +{ + for (size_t i = 0; i < 31; i++) + lbl_80491370[i].unk0 = 0xff; + lbl_8063F308 = 0; + lbl_80491370[31].unk0 = 0xff; + LCEnable(); + lbl_8063F2FC = 0xE0000000; + lbl_8063F2F8 = p1 << 9; + if (p1) { + func_801DB92C(0, p1, 1); + lbl_80491370[0].unk0 = 0; + lbl_80491370[0].unk1 = p1; + } + lbl_8063F304 = 0; +} +#else +#define _SDA_BASE_ 0x806452C0; +asm void func_801DB81C(u8 p1) +{ + nofralloc + /* 801DB81C 001D747C 94 21 FF E0 */ stwu r1, -0x20(r1) + /* 801DB820 001D7480 7C 08 02 A6 */ mflr r0 + /* 801DB824 001D7484 90 01 00 24 */ stw r0, 0x24(r1) + /* 801DB828 001D7488 38 00 00 FF */ li r0, 0xff + /* 801DB82C 001D748C 93 E1 00 1C */ stw r31, 0x1c(r1) + /* 801DB830 001D7490 3F E0 80 49 */ lis r31, lbl_80491370@ha + /* 801DB834 001D7494 93 C1 00 18 */ stw r30, 0x18(r1) + /* 801DB838 001D7498 3B C0 00 00 */ li r30, 0 + /* 801DB83C 001D749C 93 A1 00 14 */ stw r29, 0x14(r1) + /* 801DB840 001D74A0 3B BF 13 70 */ addi r29, r31, lbl_80491370@l + /* 801DB844 001D74A4 93 81 00 10 */ stw r28, 0x10(r1) + /* 801DB848 001D74A8 7C 7C 1B 78 */ mr r28, r3 + /* 801DB84C 001D74AC 98 1D 00 00 */ stb r0, 0(r29) + /* 801DB850 001D74B0 98 1D 00 08 */ stb r0, 8(r29) + /* 801DB854 001D74B4 98 1D 00 10 */ stb r0, 0x10(r29) + /* 801DB858 001D74B8 98 1D 00 18 */ stb r0, 0x18(r29) + /* 801DB85C 001D74BC 98 1D 00 20 */ stb r0, 0x20(r29) + /* 801DB860 001D74C0 98 1D 00 28 */ stb r0, 0x28(r29) + /* 801DB864 001D74C4 98 1D 00 30 */ stb r0, 0x30(r29) + /* 801DB868 001D74C8 98 1D 00 38 */ stb r0, 0x38(r29) + /* 801DB86C 001D74CC 98 1D 00 40 */ stb r0, 0x40(r29) + /* 801DB870 001D74D0 98 1D 00 48 */ stb r0, 0x48(r29) + /* 801DB874 001D74D4 98 1D 00 50 */ stb r0, 0x50(r29) + /* 801DB878 001D74D8 98 1D 00 58 */ stb r0, 0x58(r29) + /* 801DB87C 001D74DC 98 1D 00 60 */ stb r0, 0x60(r29) + /* 801DB880 001D74E0 98 1D 00 68 */ stb r0, 0x68(r29) + /* 801DB884 001D74E4 98 1D 00 70 */ stb r0, 0x70(r29) + /* 801DB888 001D74E8 98 1D 00 78 */ stb r0, 0x78(r29) + /* 801DB88C 001D74EC 98 1D 00 80 */ stb r0, 0x80(r29) + /* 801DB890 001D74F0 98 1D 00 88 */ stb r0, 0x88(r29) + /* 801DB894 001D74F4 98 1D 00 90 */ stb r0, 0x90(r29) + /* 801DB898 001D74F8 98 1D 00 98 */ stb r0, 0x98(r29) + /* 801DB89C 001D74FC 98 1D 00 A0 */ stb r0, 0xa0(r29) + /* 801DB8A0 001D7500 98 1D 00 A8 */ stb r0, 0xa8(r29) + /* 801DB8A4 001D7504 98 1D 00 B0 */ stb r0, 0xb0(r29) + /* 801DB8A8 001D7508 98 1D 00 B8 */ stb r0, 0xb8(r29) + /* 801DB8AC 001D750C 98 1D 00 C0 */ stb r0, 0xc0(r29) + /* 801DB8B0 001D7510 98 1D 00 C8 */ stb r0, 0xc8(r29) + /* 801DB8B4 001D7514 98 1D 00 D0 */ stb r0, 0xd0(r29) + /* 801DB8B8 001D7518 98 1D 00 D8 */ stb r0, 0xd8(r29) + /* 801DB8BC 001D751C 98 1D 00 E0 */ stb r0, 0xe0(r29) + /* 801DB8C0 001D7520 98 1D 00 E8 */ stb r0, 0xe8(r29) + /* 801DB8C4 001D7524 98 1D 00 F0 */ stb r0, 0xf0(r29) + /* 801DB8C8 001D7528 93 CD A0 48 */ stw r30, 0xA048(r13) + /* 801DB8CC 001D752C 98 1D 00 F8 */ stb r0, 0xf8(r29) + /* 801DB8D0 001D7530 48 08 EF 8D */ bl LCEnable + /* 801DB8D4 001D7534 57 80 4B EC */ rlwinm r0, r28, 9, 0xf, 0x16 + /* 801DB8D8 001D7538 3C 60 E0 00 */ lis r3, 0xe000 + /* 801DB8DC 001D753C 2C 1C 00 00 */ cmpwi r28, 0 + /* 801DB8E0 001D7540 90 6D A0 3C */ stw r3, 0xA03C(r13) + /* 801DB8E4 001D7544 90 0D A0 38 */ stw r0, 0xA038(r13) + /* 801DB8E8 001D7548 41 82 00 1C */ beq lbl_801DB904 + /* 801DB8EC 001D754C 7F 84 E3 78 */ mr r4, r28 + /* 801DB8F0 001D7550 38 60 00 00 */ li r3, 0 + /* 801DB8F4 001D7554 38 A0 00 01 */ li r5, 1 + /* 801DB8F8 001D7558 48 00 00 35 */ bl func_801DB92C + /* 801DB8FC 001D755C 9B DF 13 70 */ stb r30, 0x1370(r31) + /* 801DB900 001D7560 9B 9D 00 01 */ stb r28, 1(r29) + lbl_801DB904: + /* 801DB904 001D7564 38 00 00 00 */ li r0, 0 + /* 801DB908 001D7568 98 0D A0 44 */ stb r0, 0xA044(r13) + /* 801DB90C 001D756C 83 E1 00 1C */ lwz r31, 0x1c(r1) + /* 801DB910 001D7570 83 C1 00 18 */ lwz r30, 0x18(r1) + /* 801DB914 001D7574 83 A1 00 14 */ lwz r29, 0x14(r1) + /* 801DB918 001D7578 83 81 00 10 */ lwz r28, 0x10(r1) + /* 801DB91C 001D757C 80 01 00 24 */ lwz r0, 0x24(r1) + /* 801DB920 001D7580 7C 08 03 A6 */ mtlr r0 + /* 801DB924 001D7584 38 21 00 20 */ addi r1, r1, 0x20 + /* 801DB928 001D7588 4E 80 00 20 */ blr +} +#pragma peephole on +#endif + +//static +void func_801DB92C(u8 p1, u8 p2, u32 p3) +{ + u32 r6 = 0x80000000; + while (p1--) + r6 >>= 1; + while (p2--) { + lbl_8063F308 = (p3 == 1) ? lbl_8063F308 | r6 : lbl_8063F308 & ~r6; + r6 >>= 1; + } +} + + + + + +} -- cgit v1.2.3