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Introduce IDO 7.1 to the project and decompile func0003b9d4

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This commit is contained in:
Ryan Dwyer
2021-10-15 23:44:10 +10:00
parent 7163ea66b3
commit f1a239a8be
36 changed files with 1315 additions and 64 deletions
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src/include/lib/lib_3a100.h
+1 -1
View File
@@ -9,7 +9,7 @@ u32 func0003b178(void);
u32 func0003b370(void);
u32 func0003b54c(void);
u32 func0003b710(void);
u32 func0003b9d4(void);
f32 func0003b9d4(s32 arg0);
u32 func0003ba64(void);
#endif
src/lib/naudio/n_drvrNew.c
+25 -51
View File
@@ -160,57 +160,31 @@ void _init_lpfilter(ALLowPass *lp)
}
}
GLOBAL_ASM(
glabel func0003b9d4
.late_rodata
glabel var70054ac8
.word 0x3f879c7d
glabel var70054acc
.word 0x3f71a1bf
.text
/* 3b9d4: 27bdfff8 */ addiu $sp,$sp,-8
/* 3b9d8: 3c013f80 */ lui $at,0x3f80
/* 3b9dc: 44812000 */ mtc1 $at,$f4
/* 3b9e0: 00000000 */ nop
/* 3b9e4: e7a40000 */ swc1 $f4,0x0($sp)
/* 3b9e8: 04800005 */ bltz $a0,.L0003ba00
/* 3b9ec: 00000000 */ nop
/* 3b9f0: 3c017005 */ lui $at,%hi(var70054ac8)
/* 3b9f4: c4264ac8 */ lwc1 $f6,%lo(var70054ac8)($at)
/* 3b9f8: 10000005 */ b .L0003ba10
/* 3b9fc: e7a60004 */ swc1 $f6,0x4($sp)
.L0003ba00:
/* 3ba00: 3c017005 */ lui $at,%hi(var70054acc)
/* 3ba04: c4284acc */ lwc1 $f8,%lo(var70054acc)($at)
/* 3ba08: e7a80004 */ swc1 $f8,0x4($sp)
/* 3ba0c: 00042023 */ negu $a0,$a0
.L0003ba10:
/* 3ba10: 1080000e */ beqz $a0,.L0003ba4c
/* 3ba14: 00000000 */ nop
.L0003ba18:
/* 3ba18: 308e0001 */ andi $t6,$a0,0x1
/* 3ba1c: 11c00005 */ beqz $t6,.L0003ba34
/* 3ba20: 00000000 */ nop
/* 3ba24: c7aa0000 */ lwc1 $f10,0x0($sp)
/* 3ba28: c7b00004 */ lwc1 $f16,0x4($sp)
/* 3ba2c: 46105482 */ mul.s $f18,$f10,$f16
/* 3ba30: e7b20000 */ swc1 $f18,0x0($sp)
.L0003ba34:
/* 3ba34: c7a40004 */ lwc1 $f4,0x4($sp)
/* 3ba38: 46042182 */ mul.s $f6,$f4,$f4
/* 3ba3c: e7a60004 */ swc1 $f6,0x4($sp)
/* 3ba40: 00042043 */ sra $a0,$a0,0x1
/* 3ba44: 1480fff4 */ bnez $a0,.L0003ba18
/* 3ba48: 00000000 */ nop
.L0003ba4c:
/* 3ba4c: 10000003 */ b .L0003ba5c
/* 3ba50: c7a00000 */ lwc1 $f0,0x0($sp)
/* 3ba54: 10000001 */ b .L0003ba5c
/* 3ba58: 00000000 */ nop
.L0003ba5c:
/* 3ba5c: 03e00008 */ jr $ra
/* 3ba60: 27bd0008 */ addiu $sp,$sp,0x8
);
f32 func0003b9d4(s32 arg0)
{
f32 mult;
f32 value;
value = 1.0f;
if (arg0 >= 0) {
mult = 1.0594631433487f;
} else {
mult = 0.94387429952621f;
arg0 = -arg0;
}
while (arg0) {
if (arg0 & 1) {
value *= mult;
}
mult *= mult;
arg0 >>= 1;
}
return value;
}
GLOBAL_ASM(
glabel func0003ba64