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Decompile func00044460

This commit is contained in:
Ryan Dwyer 2021-11-08 17:11:20 +10:00
parent 37cf292ccf
commit 4bac39d39a
7 changed files with 59 additions and 71 deletions
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1
Makefile
View File

@ -114,6 +114,7 @@ G_C_FILES := \
src/lib/lib_39c80.c \
src/lib/lib_3a100.c \
src/lib/lib_3e3e0.c \
src/lib/lib_43dd0.c \
src/lib/lib_446d0.c \
src/lib/lib_45ed0.c \
src/lib/lib_47d20.c \

2
src/include/bss.h
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@ -46,7 +46,7 @@ extern N_ALSndPlayer var8009c2d0;
extern struct var8009c340 var8009c340;
extern u8 var8009c344[2];
extern u32 var8009c3e0;
extern u8 *var8009c3f4;
extern struct asistream *g_AsiStream;
extern u8 *var8009c640;
extern u8 *var8009c644;
extern u8 var8009c650[];

4
src/include/lib/lib_43dd0.h
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@ -5,9 +5,9 @@
#include "types.h"
u32 func00043dd0(void);
u32 func00043ef8(void);
void func00043ef8(struct asistream *stream, s32 arg1);
u32 func00044404(void);
s32 func00044460(s32 arg0, void *arg1, s32 arg2);
struct asistream *func00044460(s32 arg0, void *arg1, s32 arg2);
s32 func0004453c(s32 arg0, s32 *arg1, s32 *arg2);
#endif

21
src/include/types.h
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@ -7361,4 +7361,25 @@ struct sndstate {
#endif
};
struct asistream {
s32 unk00;
void *unk04;
s32 unk08;
s32 unk0c;
s32 unk10;
s32 unk14;
s32 unk18;
u8 unk1c[0x2000];
s32 unk201c;
s32 unk2020;
u8 unk2024[0x1b7c];
s32 unk3ba0;
u8 unk3ba4[0x2ec0];
u8 unk6a64[0x900];
u8 unk7364[0x1110];
u32 unk8474;
u32 unk8478;
u32 unk847c;
};
#endif

3
src/lib/lib_3f8a0.c
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@ -15,6 +15,9 @@
u8 var8009c400[0x90];
u8 var8009c490[0x120];
u8 var8009c5b0[0x90];
u8 *var8009c640;
u8 *var8009c644;
u32 var8009c648;
u32 var8005f670 = 0x00000000;
u32 var8005f674 = (u32) &var70054b40;

93
src/lib/lib_43dd0.c
View File

@ -3,14 +3,9 @@
#include "bss.h"
#include "lib/lib_43dd0.h"
#include "lib/lib_461c0.h"
#include "lib/libc/ll.h"
#include "data.h"
#include "types.h"
u8 *var8009c640;
u8 *var8009c644;
u32 var8009c648;
u32 var8009c64c;
u8 var8009c650[0x88];
u8 *var8009c6d8;
u8 *var8009c6dc;
@ -475,66 +470,34 @@ glabel func00044404
/* 4445c: 00000000 */ nop
);
GLOBAL_ASM(
glabel func00044460
/* 44460: 27bdffe0 */ addiu $sp,$sp,-32
/* 44464: afbf0014 */ sw $ra,0x14($sp)
/* 44468: afa40020 */ sw $a0,0x20($sp)
/* 4446c: afa50024 */ sw $a1,0x24($sp)
/* 44470: afa60028 */ sw $a2,0x28($sp)
/* 44474: 3c0e800a */ lui $t6,%hi(g_Mp3Vars+0x64)
/* 44478: 8dcec3f4 */ lw $t6,%lo(g_Mp3Vars+0x64)($t6)
/* 4447c: afae001c */ sw $t6,0x1c($sp)
/* 44480: 8faf001c */ lw $t7,0x1c($sp)
/* 44484: 15e00003 */ bnez $t7,.L00044494
/* 44488: 00000000 */ nop
/* 4448c: 10000027 */ b .L0004452c
/* 44490: 00001025 */ or $v0,$zero,$zero
.L00044494:
/* 44494: 8fb9001c */ lw $t9,0x1c($sp)
/* 44498: 2418ffff */ addiu $t8,$zero,-1
/* 4449c: af38000c */ sw $t8,0xc($t9)
/* 444a0: 8fa9001c */ lw $t1,0x1c($sp)
/* 444a4: 2408ffff */ addiu $t0,$zero,-1
/* 444a8: ad280010 */ sw $t0,0x10($t1)
/* 444ac: 8fab001c */ lw $t3,0x1c($sp)
/* 444b0: 240affff */ addiu $t2,$zero,-1
/* 444b4: ad6a0014 */ sw $t2,0x14($t3)
/* 444b8: 8fac0020 */ lw $t4,0x20($sp)
/* 444bc: 8fad001c */ lw $t5,0x1c($sp)
/* 444c0: adac0000 */ sw $t4,0x0($t5)
/* 444c4: 8fae0024 */ lw $t6,0x24($sp)
/* 444c8: 8faf001c */ lw $t7,0x1c($sp)
/* 444cc: adee0004 */ sw $t6,0x4($t7)
/* 444d0: 8fb80028 */ lw $t8,0x28($sp)
/* 444d4: 8fb9001c */ lw $t9,0x1c($sp)
/* 444d8: af380008 */ sw $t8,0x8($t9)
/* 444dc: 8fa8001c */ lw $t0,0x1c($sp)
/* 444e0: ad00201c */ sw $zero,0x201c($t0)
/* 444e4: 8fa9001c */ lw $t1,0x1c($sp)
/* 444e8: ad202020 */ sw $zero,0x2020($t1)
/* 444ec: 8faa001c */ lw $t2,0x1c($sp)
/* 444f0: ad403ba0 */ sw $zero,0x3ba0($t2)
/* 444f4: 8fa4001c */ lw $a0,0x1c($sp)
/* 444f8: 0c010fbe */ jal func00043ef8
/* 444fc: 00002825 */ or $a1,$zero,$zero
/* 44500: 8fab001c */ lw $t3,0x1c($sp)
/* 44504: 25617fff */ addiu $at,$t3,0x7fff
/* 44508: ac200475 */ sw $zero,0x475($at)
/* 4450c: 8fa4001c */ lw $a0,0x1c($sp)
/* 44510: 24050900 */ addiu $a1,$zero,0x900
/* 44514: 0c012c30 */ jal bzero
/* 44518: 24846a64 */ addiu $a0,$a0,0x6a64
/* 4451c: 10000003 */ b .L0004452c
/* 44520: 8fa2001c */ lw $v0,0x1c($sp)
/* 44524: 10000001 */ b .L0004452c
/* 44528: 00000000 */ nop
.L0004452c:
/* 4452c: 8fbf0014 */ lw $ra,0x14($sp)
/* 44530: 27bd0020 */ addiu $sp,$sp,0x20
/* 44534: 03e00008 */ jr $ra
/* 44538: 00000000 */ nop
);
struct asistream *func00044460(s32 arg0, void *arg1, s32 arg2)
{
struct asistream *stream = g_AsiStream;
if (stream == NULL) {
return NULL;
}
stream->unk0c = -1;
stream->unk10 = -1;
stream->unk14 = -1;
stream->unk00 = arg0;
stream->unk04 = arg1;
stream->unk08 = arg2;
stream->unk201c = 0;
stream->unk2020 = 0;
stream->unk3ba0 = 0;
func00043ef8(stream, 0);
stream->unk8474 = 0;
bzero(&stream->unk6a64, sizeof(stream->unk6a64));
return stream;
}
GLOBAL_ASM(
glabel func0004453c

6
src/lib/mp3.c
View File

@ -24,7 +24,7 @@
}
struct mp3vars g_Mp3Vars;
u8 *var8009c3f4;
struct asistream *g_AsiStream;
s16 _getRate(f32 vol, f32 tgt, s32 count, u16 *ratel);
s32 func00038ba8(s32 arg0, u8 *arg1, s32 arg2, s32 arg3);
@ -34,10 +34,10 @@ void mp3Init(ALHeap *heap)
bzero(&g_Mp3Vars, sizeof(struct mp3vars));
#if VERSION < VERSION_NTSC_1_0
rmonPrintf("MPEG : RWI -> Allocating %d bytes for ASISTREAM from audio heap\n", 0x8480);
rmonPrintf("MPEG : RWI -> Allocating %d bytes for ASISTREAM from audio heap\n", sizeof(struct asistream));
#endif
var8009c3f4 = alHeapAlloc(heap, 0x8480, 1);
g_AsiStream = alHeapAlloc(heap, sizeof(struct asistream), 1);
var8005f6f8 = alHeapAlloc(heap, 1, 0x2200);
var8005f6fc = alHeapAlloc(heap, 1, 0x2200);