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Decompile sndIsMp3

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This commit is contained in:
Ryan Dwyer
2021-03-31 12:14:35 +10:00
parent b29c62c33f
commit 955ba2f301
4 changed files with 17 additions and 22 deletions
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src/lib/snd.c
+11 -16
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@@ -1799,7 +1799,7 @@ glabel snd0000f49c
/* f4b8: 00047c03 */ sra $t7,$a0,0x10
/* f4bc: 01c08025 */ or $s0,$t6,$zero
/* f4c0: afb10018 */ sw $s1,0x18($sp)
/* f4c4: 0c003ee8 */ jal snd0000fba0
/* f4c4: 0c003ee8 */ jal sndIsMp3
/* f4c8: 01e02025 */ or $a0,$t7,$zero
/* f4cc: 10400003 */ beqz $v0,.L0000f4dc
/* f4d0: 3c088009 */ lui $t0,%hi(var80095210)
@@ -1931,7 +1931,7 @@ glabel snd0000f49c
/* f934: 00047c03 */ sra $t7,$a0,0x10
/* f938: 01c08025 */ or $s0,$t6,$zero
/* f93c: afb10018 */ sw $s1,0x18($sp)
/* f940: 0c00400e */ jal snd0000fba0
/* f940: 0c00400e */ jal sndIsMp3
/* f944: 01e02025 */ or $a0,$t7,$zero
/* f948: 10400003 */ beqz $v0,.NB0000f958
/* f94c: 3c08800a */ lui $t0,0x800a
@@ -2338,18 +2338,13 @@ const char var70053c10[] = "Snd_Play_Mpeg : SYSTEM IS DISABLED\n";
const char var70053c34[] = "Snd_Play_Mpeg : Lib called -> Adr=%x\n";
const char var70053c5c[] = "Snd_Play_Mpeg : Chunk size -> Adr=%x\n";
GLOBAL_ASM(
glabel snd0000fba0
/* fba0: 27bdfff8 */ addiu $sp,$sp,-8
/* fba4: a7a40004 */ sh $a0,0x4($sp)
/* fba8: 8fa20004 */ lw $v0,0x4($sp)
/* fbac: afa40008 */ sw $a0,0x8($sp)
/* fbb0: 27bd0008 */ addiu $sp,$sp,0x8
/* fbb4: 0002c0c0 */ sll $t8,$v0,0x3
/* fbb8: 0018cf82 */ srl $t9,$t8,0x1e
/* fbbc: 03e00008 */ jr $ra
/* fbc0: 0019102b */ sltu $v0,$zero,$t9
);
bool sndIsMp3(u16 soundnum)
{
union soundnumhack tmp;
tmp.packed = soundnum & 0xffff;
return tmp.bits3.unk04 != 0;
}
GLOBAL_ASM(
glabel snd0000fbc4
@@ -4522,7 +4517,7 @@ glabel sndStart
/* 10a0c: a3a5003e */ sb $a1,0x3e($sp)
/* 10a10: a3a8003d */ sb $t0,0x3d($sp)
/* 10a14: a3a9003f */ sb $t1,0x3f($sp)
/* 10a18: 0c003ee8 */ jal snd0000fba0
/* 10a18: 0c003ee8 */ jal sndIsMp3
/* 10a1c: e7a00034 */ swc1 $f0,0x34($sp)
/* 10a20: 8fa3002c */ lw $v1,0x2c($sp)
/* 10a24: 87a40040 */ lh $a0,0x40($sp)
@@ -4663,7 +4658,7 @@ glabel sndStart
/* 10de8: a3a5003e */ sb $a1,0x3e($sp)
/* 10dec: a3a8003d */ sb $t0,0x3d($sp)
/* 10df0: a3a9003f */ sb $t1,0x3f($sp)
/* 10df4: 0c00400e */ jal snd0000fba0
/* 10df4: 0c00400e */ jal sndIsMp3
/* 10df8: e7a00034 */ swc1 $f0,0x34($sp)
/* 10dfc: 8fa3002c */ lw $v1,0x2c($sp)
/* 10e00: 87a40040 */ lh $a0,0x40($sp)