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Decompile admaReceiveAll

This commit is contained in:
Ryan Dwyer 2021-10-17 23:45:42 +10:00
parent 9392cf643f
commit 864693e620
3 changed files with 20 additions and 40 deletions
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2
src/include/lib/audiodma.h
View File

@ -9,6 +9,6 @@ struct admastate;
void admaInit(void);
void *admaNew(struct admastate **state);
void admaClear(void);
u32 adma00009a08(void);
void admaReceiveAll(void);
#endif

56
src/lib/audiodma.c
View File

@ -26,7 +26,7 @@ struct admastate {
u32 unk0c;
};
u32 var8005d520 = 0;
s32 g_AdmaNumItems = 0;
struct admastate g_AdmaState;
struct admaitem g_AdmaItems[80];
@ -131,8 +131,8 @@ glabel admaExec
/* 97c4: 00e12025 */ or $a0,$a3,$at
/* 97c8: 0c013920 */ jal osInvalDCache
/* 97cc: 24050400 */ addiu $a1,$zero,0x400
/* 97d0: 3c038006 */ lui $v1,%hi(var8005d520)
/* 97d4: 2463d520 */ addiu $v1,$v1,%lo(var8005d520)
/* 97d0: 3c038006 */ lui $v1,%hi(g_AdmaNumItems)
/* 97d4: 2463d520 */ addiu $v1,$v1,%lo(g_AdmaNumItems)
/* 97d8: 8c620000 */ lw $v0,0x0($v1)
/* 97dc: 3c0c8009 */ lui $t4,%hi(var80091f50)
/* 97e0: 3c0e8009 */ lui $t6,%hi(var800926d0)
@ -215,40 +215,20 @@ void admaClear(void)
}
var80092828++;
var8005d520 = 0;
g_AdmaNumItems = 0;
}
GLOBAL_ASM(
glabel adma00009a08
/* 9a08: 27bdffd8 */ addiu $sp,$sp,-40
/* 9a0c: afb30020 */ sw $s3,0x20($sp)
/* 9a10: 3c138006 */ lui $s3,%hi(var8005d520)
/* 9a14: 2673d520 */ addiu $s3,$s3,%lo(var8005d520)
/* 9a18: 8e6e0000 */ lw $t6,0x0($s3)
/* 9a1c: afb00014 */ sw $s0,0x14($sp)
/* 9a20: afbf0024 */ sw $ra,0x24($sp)
/* 9a24: afb2001c */ sw $s2,0x1c($sp)
/* 9a28: afb10018 */ sw $s1,0x18($sp)
/* 9a2c: 19c0000c */ blez $t6,.L00009a60
/* 9a30: 00008025 */ or $s0,$zero,$zero
/* 9a34: 3c118009 */ lui $s1,%hi(var800926d0)
/* 9a38: 263126d0 */ addiu $s1,$s1,%lo(var800926d0)
/* 9a3c: 02202025 */ or $a0,$s1,$zero
.L00009a40:
/* 9a40: 00002825 */ or $a1,$zero,$zero
/* 9a44: 0c0121bc */ jal osRecvMesg
/* 9a48: 00003025 */ or $a2,$zero,$zero
/* 9a4c: 8e6f0000 */ lw $t7,0x0($s3)
/* 9a50: 26100001 */ addiu $s0,$s0,0x1
/* 9a54: 020f082a */ slt $at,$s0,$t7
/* 9a58: 5420fff9 */ bnezl $at,.L00009a40
/* 9a5c: 02202025 */ or $a0,$s1,$zero
.L00009a60:
/* 9a60: 8fbf0024 */ lw $ra,0x24($sp)
/* 9a64: 8fb00014 */ lw $s0,0x14($sp)
/* 9a68: 8fb10018 */ lw $s1,0x18($sp)
/* 9a6c: 8fb2001c */ lw $s2,0x1c($sp)
/* 9a70: 8fb30020 */ lw $s3,0x20($sp)
/* 9a74: 03e00008 */ jr $ra
/* 9a78: 27bd0028 */ addiu $sp,$sp,0x28
);
void admaReceiveAll(void)
{
s32 i;
/**
* Don't block here. If dma's aren't complete, you've had an audio
* overrun. Bad news, but go for it anyway, and try and recover.
*/
for (i = 0; i < g_AdmaNumItems; i++) {
if (osRecvMesg(&var800926d0, 0, OS_MESG_NOBLOCK) == -1) {
// empty
}
}
}

2
src/lib/audiomgr.c
View File

@ -187,7 +187,7 @@ void amgrMain(void *arg)
var80091588 = osGetTime();
vi00009aa0(0x30000);
amgrHandleFrameMsg(g_AudioManager.audioInfo[var80092828 % 3], info);
adma00009a08();
admaReceiveAll();
count++;
vi00009aa0(0x60000);