Split out some unused asm and documented main.c (#242)

* Splitting out unused asm

* Documented main.c

1 files changed, 154 insertions, 7 deletions

diff --git a/src/audio/load.c b/src/audio/load.c
index c0f39c0a4..22031fbda 100644
--- a/src/audio/load.c
+++ b/src/audio/load.c
@@ -1150,14 +1150,161 @@ block_16:
 GLOBAL_ASM("asm/non_matchings/audio/load/func_800BBF44.s")
 #endif
 
+// L800BC170 is in a delay slot
+// m2c may be inaccurate.
 #ifdef MIPS_TO_C
-//generated by mips_to_c commit 3c3b0cede1a99430bfd3edf8d385802b94f91307
-/*
-Failed to decompile function audio_init:
-
-Last instruction is missing a delay slot:
-jr $ra
-*/
+void audio_init(void) {
+    s32 sp8C;
+    s32 sp60;
+    s32 **sp3C;
+    ? *var_v0;
+    ? *var_v0_2;
+    ? *var_v0_3;
+    s16 temp_s3;
+    s16 temp_t1;
+    s32 **var_a2;
+    s32 *temp_v0_2;
+    s32 *temp_v0_3;
+    s32 *temp_v0_4;
+    s32 *temp_v0_5;
+    s32 temp_a1;
+    s32 temp_a1_2;
+    s32 temp_a1_3;
+    s32 temp_s0;
+    s32 temp_s0_2;
+    s32 temp_t7;
+    s32 temp_v0;
+    s32 var_s0_2;
+    s32 var_s1;
+    s32 var_v1;
+    s32 var_v1_2;
+    u32 var_s0;
+    void *temp_t3;
+    void *temp_t7_2;
+
+    D_800EA5DC = 0;
+    temp_t7 = (s32) D_800EA5D0 / 8;
+    if (temp_t7 > 0) {
+        var_v0 = &D_803B71B0;
+        do {
+            var_v0 += 8;
+            var_v0->unk-4 = 0;
+            var_v0->unk-8 = 0;
+        } while ((u32) var_v0 < (u32) ((temp_t7 * 8) + &D_803B71B0));
+    }
+    var_v0_2 = &gGfxSPTaskOutputBufferSize;
+    var_s0 = (u32) (&D_803B71A0 - &gGfxSPTaskOutputBufferSize) >> 3;
+    if ((s32) var_s0 >= 0) {
+        do {
+            var_s0 -= 1;
+            var_v0_2->unk4 = 0;
+            var_v0_2->unk0 = 0;
+            var_v0_2 += 8;
+        } while ((s32) var_s0 >= 0);
+    }
+    temp_v0 = osTvType;
+    switch (temp_v0) {                              /* irregular */
+    case 0:
+        D_803B7178 = D_800F2EA0;
+        D_803B717C = 0x32;
+        break;
+    case 2:
+        D_803B7178 = D_800F2EA4;
+        D_803B717C = 0x3C;
+        break;
+    default:
+    case 1:
+        D_803B7178 = D_800F2EA8;
+        D_803B717C = 0x3C;
+        break;
+    }
+    func_800CBF48(&gGfxSPTaskOutputBufferSize);
+    var_v0_3 = &D_803B718C;
+    do {
+        var_v0_3 += 2;
+        var_v0_3->unk-2 = 0xA0;
+    } while ((u32) var_v0_3 < (u32) &D_803B7192);
+    D_803B70B8 = 0;
+    D_803B70C0 = 0;
+    D_803B70C4 = 0;
+    D_803B70B6 = 0;
+    D_803B70D4 = 0;
+    D_803B70D8.unk34 = 0;
+    D_803B70D8.unk84 = 0;
+    osCreateMesgQueue(&D_803B6720, &D_803B6738, 1);
+    osCreateMesgQueue(&gCurrAudioFrameDmaQueue, &gCurrAudioFrameDmaMesgBufs, 0x40);
+    gCurrAudioFrameDmaCount = 0;
+    gSampleDmaNumListItems = 0;
+    func_800B90F0(D_800EA5D4);
+    var_a2 = &D_803B7180;
+    do {
+        sp3C = var_a2;
+        var_v1 = 0;
+        *var_a2 = soundAlloc(&D_803AFBD8, 0xA00, var_a2);
+loop_16:
+        *(*var_a2 + var_v1) = 0;
+        (*var_a2 + var_v1)->unk2 = 0;
+        (*var_a2 + var_v1)->unk4 = 0;
+        temp_t7_2 = *var_a2 + var_v1;
+        var_v1 += 8;
+        temp_t7_2->unk6 = 0;
+        if (var_v1 != 0xA00) {
+            goto loop_16;
+        }
+        var_a2 += 4;
+    } while ((u32) var_a2 < (u32) &D_803B718C);
+    D_803B0501 = 0;
+    D_803B0500 = 1;
+    func_800BA00C();
+    D_803B706C = &sp60;
+    audio_dma_copy_immediate(&_sequencesSegmentRomStart, &sp60, 0x10);
+    temp_t1 = D_803B706C->unk2;
+    temp_a1 = (((temp_t1 & 0xFFFF) * 8) + 0x13) & ~0xF;
+    D_803B707C = temp_t1;
+    temp_v0_2 = soundAlloc(&D_803AFBD8, temp_a1);
+    D_803B706C = temp_v0_2;
+    audio_dma_copy_immediate(&_sequencesSegmentRomStart, temp_v0_2, temp_a1);
+    func_800BB43C(D_803B706C, &_sequencesSegmentRomStart);
+    D_803B7070 = &sp60;
+    audio_dma_copy_immediate(&_audio_banksSegmentRomStart, &sp60, 0x10);
+    temp_s3 = D_803B7070->unk2;
+    temp_a1_2 = ((temp_s3 * 8) + 0x13) & ~0xF;
+    temp_s0 = temp_a1_2;
+    temp_v0_3 = soundAlloc(&D_803AFBD8, temp_a1_2);
+    D_803B7070 = temp_v0_3;
+    audio_dma_copy_immediate(&_audio_banksSegmentRomStart, temp_v0_3, temp_s0);
+    func_800BB43C(D_803B7070, &_audio_banksSegmentRomStart);
+    D_803B7080 = soundAlloc(&D_803AFBD8, temp_s3 * 0xC);
+    var_v1_2 = 0;
+    if (temp_s3 > 0) {
+        var_s1 = 0;
+        var_s0_2 = 0;
+        do {
+            sp8C = var_v1_2;
+            audio_dma_copy_immediate((D_803B7070 + var_s1)->unk4, &sp60, 0x10, &D_803B7080);
+            (D_803B7080 + var_s0_2)->unk1 = (s8) sp60;
+            var_v1_2 = sp8C + 1;
+            temp_t3 = D_803B7080 + var_s0_2;
+            var_s0_2 += 0xC;
+            var_s1 += 8;
+            temp_t3->unk2 = (s8) sp64;
+        } while (var_v1_2 != temp_s3);
+    }
+    D_803B7074 = &sp60;
+    audio_dma_copy_immediate(&_audio_tablesSegmentRomStart, &sp60, 0x10, &D_803B7080);
+    temp_a1_3 = ((D_803B7074->unk2 * 8) + 0x13) & ~0xF;
+    temp_s0_2 = temp_a1_3;
+    temp_v0_4 = soundAlloc(&D_803AFBD8, temp_a1_3);
+    D_803B7074 = temp_v0_4;
+    audio_dma_copy_immediate(&_audio_tablesSegmentRomStart, temp_v0_4, temp_s0_2);
+    func_800BB43C(D_803B7074, &_audio_tablesSegmentRomStart);
+    temp_v0_5 = soundAlloc(&D_803AFBD8, 0x100);
+    D_803B7078 = temp_v0_5;
+    audio_dma_copy_immediate(&_instrument_setsSegmentRomStart, temp_v0_5, 0x100);
+    func_800B907C(&D_803B01B8, soundAlloc(&D_803AFBD8, D_800EA5D8), D_800EA5D8);
+    func_800C125C();
+    D_800EA5DC = 0x76557364;
+}
 #else
 GLOBAL_ASM("asm/non_matchings/audio/load/audio_init.s")
 #endif