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Decompile __alCSeqNextDelta

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This commit is contained in:
Ryan Dwyer
2021-03-28 17:02:43 +10:00
parent e2d7faf3d4
commit 7fa6e0dc93
4 changed files with 34 additions and 65 deletions
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Makefile
+1
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@@ -86,6 +86,7 @@ $(B_DIR)/lib/ultra/libc/llcvt.o: MIPSISET := -mips3 -32
$(B_DIR)/lib/lib_30ce0.o: OPT_LVL := -g
$(B_DIR)/lib/lib_3a100.o: OPT_LVL := -g
$(B_DIR)/lib/lib_3d280.o: OPT_LVL := -g
$(B_DIR)/lib/lib_3e730.o: OPT_LVL := -g
$(B_DIR)/lib/ultra/audio/bnkf.o: OPT_LVL := -g
$(B_DIR)/lib/ultra/audio/cseq.o: OPT_LVL := -g
$(B_DIR)/lib/ultra/audio/csplayer.o: OPT_LVL := -g
src/include/lib/lib_3e730.h
-1
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@@ -5,6 +5,5 @@
#include "types.h"
u32 func0003e730(void);
u32 func0003e7e0(void);
#endif
src/lib/lib_3e730.c
+32 -63
View File
@@ -66,66 +66,35 @@ glabel func0003e730
/* 3e7dc: 00000000 */ nop
);
GLOBAL_ASM(
glabel func0003e7e0
/* 3e7e0: 27bdfff0 */ addiu $sp,$sp,-16
/* 3e7e4: 240effff */ addiu $t6,$zero,-1
/* 3e7e8: afae0008 */ sw $t6,0x8($sp)
/* 3e7ec: 8c8f0010 */ lw $t7,0x10($a0)
/* 3e7f0: afaf0004 */ sw $t7,0x4($sp)
/* 3e7f4: 8c980004 */ lw $t8,0x4($a0)
/* 3e7f8: 17000003 */ bnez $t8,.L0003e808
/* 3e7fc: 00000000 */ nop
/* 3e800: 1000002c */ b .L0003e8b4
/* 3e804: 00001025 */ or $v0,$zero,$zero
.L0003e808:
/* 3e808: afa0000c */ sw $zero,0xc($sp)
.L0003e80c:
/* 3e80c: 8c990004 */ lw $t9,0x4($a0)
/* 3e810: 8fa8000c */ lw $t0,0xc($sp)
/* 3e814: 01194806 */ srlv $t1,$t9,$t0
/* 3e818: 312a0001 */ andi $t2,$t1,0x1
/* 3e81c: 11400019 */ beqz $t2,.L0003e884
/* 3e820: 00000000 */ nop
/* 3e824: 8c8b0014 */ lw $t3,0x14($a0)
/* 3e828: 11600009 */ beqz $t3,.L0003e850
/* 3e82c: 00000000 */ nop
/* 3e830: 8fac000c */ lw $t4,0xc($sp)
/* 3e834: 8fb80004 */ lw $t8,0x4($sp)
/* 3e838: 000c6880 */ sll $t5,$t4,0x2
/* 3e83c: 008d7021 */ addu $t6,$a0,$t5
/* 3e840: 8dcf00b8 */ lw $t7,0xb8($t6)
/* 3e844: 008d4021 */ addu $t0,$a0,$t5
/* 3e848: 01f8c823 */ subu $t9,$t7,$t8
/* 3e84c: ad1900b8 */ sw $t9,0xb8($t0)
.L0003e850:
/* 3e850: 8fa9000c */ lw $t1,0xc($sp)
/* 3e854: 8fae0008 */ lw $t6,0x8($sp)
/* 3e858: 00095080 */ sll $t2,$t1,0x2
/* 3e85c: 008a5821 */ addu $t3,$a0,$t2
/* 3e860: 8d6c00b8 */ lw $t4,0xb8($t3)
/* 3e864: 018e082b */ sltu $at,$t4,$t6
/* 3e868: 10200006 */ beqz $at,.L0003e884
/* 3e86c: 00000000 */ nop
/* 3e870: 8faf000c */ lw $t7,0xc($sp)
/* 3e874: 000fc080 */ sll $t8,$t7,0x2
/* 3e878: 00986821 */ addu $t5,$a0,$t8
/* 3e87c: 8db900b8 */ lw $t9,0xb8($t5)
/* 3e880: afb90008 */ sw $t9,0x8($sp)
.L0003e884:
/* 3e884: 8fa8000c */ lw $t0,0xc($sp)
/* 3e888: 25090001 */ addiu $t1,$t0,0x1
/* 3e88c: 2d210010 */ sltiu $at,$t1,0x10
/* 3e890: 1420ffde */ bnez $at,.L0003e80c
/* 3e894: afa9000c */ sw $t1,0xc($sp)
/* 3e898: ac800014 */ sw $zero,0x14($a0)
/* 3e89c: 8faa0008 */ lw $t2,0x8($sp)
/* 3e8a0: acaa0000 */ sw $t2,0x0($a1)
/* 3e8a4: 10000003 */ b .L0003e8b4
/* 3e8a8: 24020001 */ addiu $v0,$zero,0x1
/* 3e8ac: 10000001 */ b .L0003e8b4
/* 3e8b0: 00000000 */ nop
.L0003e8b4:
/* 3e8b4: 03e00008 */ jr $ra
/* 3e8b8: 27bd0010 */ addiu $sp,$sp,0x10
);
/**
* Note: If there are no valid tracks (ie. all tracks have
* reached the end of their data stream), then return FALSE
* to indicate that there is no next event.
*/
char __alCSeqNextDelta(ALCSeq *seq, s32 *pDeltaTicks)
{
u32 i;
u32 firstTime = 0xffffffff;
u32 lastTicks = seq->lastDeltaTicks;
if (!seq->validTracks) {
return FALSE;
}
for (i = 0; i < 16; i++) {
if ((seq->validTracks >> i) & 1) {
if (seq->deltaFlag) {
seq->evtDeltaTicks[i] -= lastTicks;
}
if (seq->evtDeltaTicks[i] < firstTime) {
firstTime = seq->evtDeltaTicks[i];
}
}
}
seq->deltaFlag = 0;
*pDeltaTicks = firstTime;
return TRUE;
}
src/lib/ultra/audio/csplayer.c
+1 -1
View File
@@ -6385,7 +6385,7 @@ glabel func0003759c
.L000375d0:
/* 375d0: 8fb90030 */ lw $t9,0x30($sp)
/* 375d4: 27a5001c */ addiu $a1,$sp,0x1c
/* 375d8: 0c00f9f8 */ jal func0003e7e0
/* 375d8: 0c00f9f8 */ jal __alCSeqNextDelta
/* 375dc: 8f240018 */ lw $a0,0x18($t9)
/* 375e0: 14400003 */ bnez $v0,.L000375f0
/* 375e4: 00000000 */ nop