izzy/Diddy-Kong-Racing
0
0
Fork 0
mirror of https://github.com/izzy2lost/Diddy-Kong-Racing.git synced 2026-06-19 01:16:26 -07:00
Code Issues Packages Projects Releases Wiki Activity

Work on identifying some vars in the audio file

Browse Source
This commit is contained in:
Ryan Myers
2021-11-13 23:19:45 -05:00
parent 5066ea367a
commit 02b78a5fef
8 changed files with 179 additions and 64 deletions
Download Patch File Download Diff File Expand all files Collapse all files
asm/non_matchings/unknown_003260/__amDMA.s
+8 -8
View File
@@ -22,8 +22,8 @@ glabel __amDMA
/* 003A84 80002E84 1420000A */ bnez $at, .L80002EB0
/* 003A88 80002E88 02003025 */ move $a2, $s0
/* 003A8C 80002E8C 8E180010 */ lw $t8, 0x10($s0)
/* 003A90 80002E90 3C0F800E */ lui $t7, %hi(D_800DC680) # $t7, 0x800e
/* 003A94 80002E94 8DEFC680 */ lw $t7, %lo(D_800DC680)($t7)
/* 003A90 80002E90 3C0F800E */ lui $t7, %hi(audFrameCt) # $t7, 0x800e
/* 003A94 80002E94 8DEFC680 */ lw $t7, %lo(audFrameCt)($t7)
/* 003A98 80002E98 0307C821 */ addu $t9, $t8, $a3
/* 003A9C 80002E9C 03222023 */ subu $a0, $t9, $v0
/* 003AA0 80002EA0 0C03233C */ jal osVirtualToPhysical
@@ -87,22 +87,22 @@ glabel __amDMA
.L80002F70:
/* 003B70 80002F70 8FAC0048 */ lw $t4, 0x48($sp)
.L80002F74:
/* 003B74 80002F74 3C0D800E */ lui $t5, %hi(D_800DC680) # $t5, 0x800e
/* 003B74 80002F74 3C0D800E */ lui $t5, %hi(audFrameCt) # $t5, 0x800e
/* 003B78 80002F78 00EC3823 */ subu $a3, $a3, $t4
/* 003B7C 80002F7C AE070008 */ sw $a3, 8($s0)
/* 003B80 80002F80 8DADC680 */ lw $t5, %lo(D_800DC680)($t5)
/* 003B80 80002F80 8DADC680 */ lw $t5, %lo(audFrameCt)($t5)
/* 003B84 80002F84 3C08800E */ lui $t0, %hi(D_800DC684) # $t0, 0x800e
/* 003B88 80002F88 2508C684 */ addiu $t0, %lo(D_800DC684) # addiu $t0, $t0, -0x397c
/* 003B8C 80002F8C AE0D000C */ sw $t5, 0xc($s0)
/* 003B90 80002F90 8E030010 */ lw $v1, 0x10($s0)
/* 003B94 80002F94 8D020000 */ lw $v0, ($t0)
/* 003B98 80002F98 3C0F8012 */ lui $t7, %hi(D_80119640) # $t7, 0x8012
/* 003B98 80002F98 3C0F8012 */ lui $t7, %hi(audDMAIOMesgBuf) # $t7, 0x8012
/* 003B9C 80002F9C 00027080 */ sll $t6, $v0, 2
/* 003BA0 80002FA0 3C198012 */ lui $t9, %hi(D_80119AF0) # $t9, 0x8012
/* 003BA0 80002FA0 3C198012 */ lui $t9, %hi(audDMAMessageQ) # $t9, 0x8012
/* 003BA4 80002FA4 01C27023 */ subu $t6, $t6, $v0
/* 003BA8 80002FA8 000E70C0 */ sll $t6, $t6, 3
/* 003BAC 80002FAC 27399AF0 */ addiu $t9, %lo(D_80119AF0) # addiu $t9, $t9, -0x6510
/* 003BB0 80002FB0 25EF9640 */ addiu $t7, %lo(D_80119640) # addiu $t7, $t7, -0x69c0
/* 003BAC 80002FAC 27399AF0 */ addiu $t9, %lo(audDMAMessageQ) # addiu $t9, $t9, -0x6510
/* 003BB0 80002FB0 25EF9640 */ addiu $t7, %lo(audDMAIOMesgBuf) # addiu $t7, $t7, -0x69c0
/* 003BB4 80002FB4 24180400 */ li $t8, 1024
/* 003BB8 80002FB8 244B0001 */ addiu $t3, $v0, 1
/* 003BBC 80002FBC AD0B0000 */ sw $t3, ($t0)
asm/non_matchings/unknown_003260/audioNewThread.s
+10 -10
View File
@@ -27,11 +27,11 @@ glabel audioNewThread
/* 0032C4 800026C4 44814000 */ mtc1 $at, $f8
/* 0032C8 800026C8 44988000 */ mtc1 $t8, $f16
/* 0032CC 800026CC 46083282 */ mul.s $f10, $f6, $f8
/* 0032D0 800026D0 3C048012 */ lui $a0, %hi(D_8011962C) # $a0, 0x8012
/* 0032D4 800026D4 2484962C */ addiu $a0, %lo(D_8011962C) # addiu $a0, $a0, -0x69d4
/* 0032D8 800026D8 3C148012 */ lui $s4, %hi(D_80119630) # $s4, 0x8012
/* 0032D0 800026D0 3C048012 */ lui $a0, %hi(framesize) # $a0, 0x8012
/* 0032D4 800026D4 2484962C */ addiu $a0, %lo(framesize) # addiu $a0, $a0, -0x69d4
/* 0032D8 800026D8 3C148012 */ lui $s4, %hi(maxFrameSize) # $s4, 0x8012
/* 0032DC 800026DC 468084A0 */ cvt.s.w $f18, $f16
/* 0032E0 800026E0 26949630 */ addiu $s4, %lo(D_80119630) # addiu $s4, $s4, -0x69d0
/* 0032E0 800026E0 26949630 */ addiu $s4, %lo(maxFrameSize) # addiu $s4, $s4, -0x69d0
/* 0032E4 800026E4 46125003 */ div.s $f0, $f10, $f18
/* 0032E8 800026E8 4459F800 */ cfc1 $t9, $31
/* 0032EC 800026EC 00000000 */ nop
@@ -66,8 +66,8 @@ glabel audioNewThread
/* 003358 80002758 AC830000 */ sw $v1, ($a0)
.L8000275C:
/* 00335C 8000275C 246EFFF0 */ addiu $t6, $v1, -0x10
/* 003360 80002760 3C018012 */ lui $at, %hi(D_80119628) # $at, 0x8012
/* 003364 80002764 AC2E9628 */ sw $t6, %lo(D_80119628)($at)
/* 003360 80002760 3C018012 */ lui $at, %hi(minFrameSize) # $at, 0x8012
/* 003364 80002764 AC2E9628 */ sw $t6, %lo(minFrameSize)($at)
/* 003368 80002768 246F0070 */ addiu $t7, $v1, 0x70
/* 00336C 8000276C AE8F0000 */ sw $t7, ($s4)
/* 003370 80002770 9278001C */ lbu $t8, 0x1c($s3)
@@ -236,10 +236,10 @@ glabel audioNewThread
/* 0035DC 800029DC 24846160 */ addiu $a0, %lo(OSMesgQueue_80116160) # addiu $a0, $a0, 0x6160
/* 0035E0 800029E0 0C032208 */ jal osCreateMesgQueue
/* 0035E4 800029E4 24060008 */ li $a2, 8
/* 0035E8 800029E8 3C048012 */ lui $a0, %hi(D_80119AF0) # $a0, 0x8012
/* 0035EC 800029EC 3C058012 */ lui $a1, %hi(D_80119B08) # $a1, 0x8012
/* 0035F0 800029F0 24A59B08 */ addiu $a1, %lo(D_80119B08) # addiu $a1, $a1, -0x64f8
/* 0035F4 800029F4 24849AF0 */ addiu $a0, %lo(D_80119AF0) # addiu $a0, $a0, -0x6510
/* 0035E8 800029E8 3C048012 */ lui $a0, %hi(audDMAMessageQ) # $a0, 0x8012
/* 0035EC 800029EC 3C058012 */ lui $a1, %hi(audDMAMessageBuf) # $a1, 0x8012
/* 0035F0 800029F0 24A59B08 */ addiu $a1, %lo(audDMAMessageBuf) # addiu $a1, $a1, -0x64f8
/* 0035F4 800029F4 24849AF0 */ addiu $a0, %lo(audDMAMessageQ) # addiu $a0, $a0, -0x6510
/* 0035F8 800029F8 0C032208 */ jal osCreateMesgQueue
/* 0035FC 800029FC 24060032 */ li $a2, 50
/* 003600 80002A00 8FB9004C */ lw $t9, 0x4c($sp)
asm/non_matchings/unknown_003260/func_80002A98.s
+4 -4
View File
@@ -5,7 +5,7 @@ glabel func_80002A98
/* 0036A4 80002AA4 AFBF003C */ sw $ra, 0x3c($sp)
/* 0036A8 80002AA8 AFB00018 */ sw $s0, 0x18($sp)
/* 0036AC 80002AAC 8C845F90 */ lw $a0, %lo(D_80115F90)($a0)
/* 0036B0 80002AB0 3C058011 */ lui $a1, %hi(D_80116220) # $a1, 0x8011
/* 0036B0 80002AB0 3C058011 */ lui $a1, %hi(audioStack) # $a1, 0x8011
/* 0036B4 80002AB4 3C068011 */ lui $a2, %hi(OSMesgQueue_80116160) # $a2, 0x8011
/* 0036B8 80002AB8 AFBE0038 */ sw $fp, 0x38($sp)
/* 0036BC 80002ABC AFB70034 */ sw $s7, 0x34($sp)
@@ -19,14 +19,14 @@ glabel func_80002A98
/* 0036DC 80002ADC AFA00048 */ sw $zero, 0x48($sp)
/* 0036E0 80002AE0 AFA00044 */ sw $zero, 0x44($sp)
/* 0036E4 80002AE4 24C66160 */ addiu $a2, %lo(OSMesgQueue_80116160) # addiu $a2, $a2, 0x6160
/* 0036E8 80002AE8 24A56220 */ addiu $a1, %lo(D_80116220) # addiu $a1, $a1, 0x6220
/* 0036E8 80002AE8 24A56220 */ addiu $a1, %lo(audioStack) # addiu $a1, $a1, 0x6220
/* 0036EC 80002AEC 0C01E520 */ jal osScAddClient
/* 0036F0 80002AF0 24070001 */ li $a3, 1
/* 0036F4 80002AF4 3C1E8011 */ lui $fp, %hi(D_80116198) # $fp, 0x8011
/* 0036F8 80002AF8 3C16800E */ lui $s6, %hi(D_800DC680) # $s6, 0x800e
/* 0036F8 80002AF8 3C16800E */ lui $s6, %hi(audFrameCt) # $s6, 0x800e
/* 0036FC 80002AFC 3C158011 */ lui $s5, %hi(D_80115F98) # $s5, 0x8011
/* 003700 80002B00 26B55F98 */ addiu $s5, %lo(D_80115F98) # addiu $s5, $s5, 0x5f98
/* 003704 80002B04 26D6C680 */ addiu $s6, %lo(D_800DC680) # addiu $s6, $s6, -0x3980
/* 003704 80002B04 26D6C680 */ addiu $s6, %lo(audFrameCt) # addiu $s6, $s6, -0x3980
/* 003708 80002B08 27DE6198 */ addiu $fp, %lo(D_80116198) # addiu $fp, $fp, 0x6198
/* 00370C 80002B0C 24170003 */ li $s7, 3
/* 003710 80002B10 2414000A */ li $s4, 10
asm/non_matchings/unknown_003260/func_80002C00.s
+6 -6
View File
@@ -33,15 +33,15 @@ glabel func_80002C00
.L80002C7C:
/* 00387C 80002C7C 0C032388 */ jal osAiGetLength
/* 003880 80002C80 00000000 */ nop
/* 003884 80002C84 3C188012 */ lui $t8, %hi(D_8011962C) # $t8, 0x8012
/* 003888 80002C88 8F18962C */ lw $t8, %lo(D_8011962C)($t8)
/* 003884 80002C84 3C188012 */ lui $t8, %hi(framesize) # $t8, 0x8012
/* 003888 80002C88 8F18962C */ lw $t8, %lo(framesize)($t8)
/* 00388C 80002C8C 0002C882 */ srl $t9, $v0, 2
/* 003890 80002C90 03194023 */ subu $t0, $t8, $t9
/* 003894 80002C94 25090070 */ addiu $t1, $t0, 0x70
/* 003898 80002C98 312AFFF0 */ andi $t2, $t1, 0xfff0
/* 00389C 80002C9C A60A0004 */ sh $t2, 4($s0)
/* 0038A0 80002CA0 3C038012 */ lui $v1, %hi(D_80119628) # $v1, 0x8012
/* 0038A4 80002CA4 8C639628 */ lw $v1, %lo(D_80119628)($v1)
/* 0038A0 80002CA0 3C038012 */ lui $v1, %hi(minFrameSize) # $v1, 0x8012
/* 0038A4 80002CA4 8C639628 */ lw $v1, %lo(minFrameSize)($v1)
/* 0038A8 80002CA8 86070004 */ lh $a3, 4($s0)
/* 0038AC 80002CAC 3C0B800E */ lui $t3, %hi(D_800DC688) # $t3, 0x800e
/* 0038B0 80002CB0 00E3082B */ sltu $at, $a3, $v1
@@ -52,13 +52,13 @@ glabel func_80002C00
/* 0038C4 80002CC4 00000000 */ nop
.L80002CC8:
/* 0038C8 80002CC8 8D6BC688 */ lw $t3, %lo(D_800DC688)($t3)
/* 0038CC 80002CCC 3C058012 */ lui $a1, %hi(D_80119634) # $a1, 0x8012
/* 0038CC 80002CCC 3C058012 */ lui $a1, %hi(nextDMA) # $a1, 0x8012
/* 0038D0 80002CD0 000B6080 */ sll $t4, $t3, 2
/* 0038D4 80002CD4 008C2021 */ addu $a0, $a0, $t4
/* 0038D8 80002CD8 8C845F98 */ lw $a0, %lo(D_80115F98)($a0)
/* 0038DC 80002CDC 8FA60024 */ lw $a2, 0x24($sp)
/* 0038E0 80002CE0 0C019525 */ jal alAudioFrame
/* 0038E4 80002CE4 24A59634 */ addiu $a1, %lo(D_80119634) # addiu $a1, $a1, -0x69cc
/* 0038E4 80002CE4 24A59634 */ addiu $a1, %lo(nextDMA) # addiu $a1, $a1, -0x69cc
/* 0038E8 80002CE8 3C0D8011 */ lui $t5, %hi(D_80116198) # $t5, 0x8011
/* 0038EC 80002CEC 24030002 */ li $v1, 2
/* 0038F0 80002CF0 3C06800E */ lui $a2, %hi(D_800DC688) # $a2, 0x800e
asm/non_matchings/unknown_003260/func_80003040.s
+6 -6
View File
@@ -12,8 +12,8 @@ glabel func_80003040
/* 003C68 80003068 AFA00040 */ sw $zero, 0x40($sp)
/* 003C6C 8000306C 11C0000D */ beqz $t6, .L800030A4
/* 003C70 80003070 00008025 */ move $s0, $zero
/* 003C74 80003074 3C118012 */ lui $s1, %hi(D_80119AF0) # $s1, 0x8012
/* 003C78 80003078 26319AF0 */ addiu $s1, %lo(D_80119AF0) # addiu $s1, $s1, -0x6510
/* 003C74 80003074 3C118012 */ lui $s1, %hi(audDMAMessageQ) # $s1, 0x8012
/* 003C78 80003078 26319AF0 */ addiu $s1, %lo(audDMAMessageQ) # addiu $s1, $s1, -0x6510
/* 003C7C 8000307C 27B20040 */ addiu $s2, $sp, 0x40
/* 003C80 80003080 02202025 */ move $a0, $s1
.L80003084:
@@ -29,9 +29,9 @@ glabel func_80003040
/* 003CA4 800030A4 3C128012 */ lui $s2, %hi(dmaState) # $s2, 0x8012
/* 003CA8 800030A8 26529230 */ addiu $s2, %lo(dmaState) # addiu $s2, $s2, -0x6dd0
/* 003CAC 800030AC 8E500004 */ lw $s0, 4($s2)
/* 003CB0 800030B0 3C13800E */ lui $s3, %hi(D_800DC680) # $s3, 0x800e
/* 003CB0 800030B0 3C13800E */ lui $s3, %hi(audFrameCt) # $s3, 0x800e
/* 003CB4 800030B4 1200001C */ beqz $s0, .L80003128
/* 003CB8 800030B8 2673C680 */ addiu $s3, %lo(D_800DC680) # addiu $s3, $s3, -0x3980
/* 003CB8 800030B8 2673C680 */ addiu $s3, %lo(audFrameCt) # addiu $s3, $s3, -0x3980
.L800030BC:
/* 003CBC 800030BC 8E19000C */ lw $t9, 0xc($s0)
/* 003CC0 800030C0 8E780000 */ lw $t8, ($s3)
@@ -64,8 +64,8 @@ glabel func_80003040
/* 003D20 80003120 1620FFE6 */ bnez $s1, .L800030BC
/* 003D24 80003124 02208025 */ move $s0, $s1
.L80003128:
/* 003D28 80003128 3C13800E */ lui $s3, %hi(D_800DC680) # $s3, 0x800e
/* 003D2C 8000312C 2673C680 */ addiu $s3, %lo(D_800DC680) # addiu $s3, $s3, -0x3980
/* 003D28 80003128 3C13800E */ lui $s3, %hi(audFrameCt) # $s3, 0x800e
/* 003D2C 8000312C 2673C680 */ addiu $s3, %lo(audFrameCt) # addiu $s3, $s3, -0x3980
/* 003D30 80003130 8E6A0000 */ lw $t2, ($s3)
/* 003D34 80003134 8FBF002C */ lw $ra, 0x2c($sp)
/* 003D38 80003138 254B0001 */ addiu $t3, $t2, 1
src/unknown_003260.c
+126 -14
View File
@@ -19,17 +19,19 @@ extern OSMesg D_80116178[8];
extern OSMesgQueue D_80116198;
extern OSMesg D_801161B0[8];
extern ALGlobals ALGlobals_801161D0;
extern s32 D_80116220[3076];
extern u64 audioStack[AUDIO_STACKSIZE/sizeof(u64)];
extern AMDMAState dmaState;
extern AMDMABuffer dmaBuffs[50];
extern s32 D_80119628;
extern s32 D_8011962C;
extern s32 D_80119630;
extern s32 D_80119634;
extern s32 D_80119638[2];
extern s32 D_80119640[300];
extern OSMesgQueue D_80119AF0;
extern OSMesg D_80119B08[50];
extern u32 minFrameSize;
extern u32 framesize;
extern u32 maxFrameSize;
extern u32 nextDMA;
extern u32 frameSize;
extern u32 D_8011963c;
extern u32 maxRSPCmds;
extern OSIoMesg audDMAIOMesgBuf[NUM_DMA_MESSAGES];
extern OSMesgQueue audDMAMessageQ;
extern OSMesg audDMAMessageBuf[NUM_DMA_MESSAGES];
extern unk800DC6BC D_80119BD0;
extern u16 *D_80119C28;
extern f32 gVideoRefreshRate;
@@ -38,7 +40,7 @@ extern f32 gVideoRefreshRate;
/************ .data ************/
s32 D_800DC680 = 0; // Currently unknown, might be a different type.
u32 audFrameCt = 0; // Currently unknown, might be a different type.
s32 D_800DC684 = 0; // Currently unknown, might be a different type.
s32 D_800DC688 = 0; // Currently unknown, might be a different type.
s32 D_800DC68C = 0; // Currently unknown, might be a different type.
@@ -93,8 +95,8 @@ void audioNewThread(ALSynConfig *c, OSPri p, OSSched *arg2) {
D_80115F94 = c->heap;
c->dmaproc = &__amDmaNew;
c->outputRate = osAiSetFrequency(22050);
D_8011962C = (((f32)c->outputRate) * 2.0f) / gVideoRefreshRate;
if (D_8011962C < 0) {
framesize = (((f32)c->outputRate) * 2.0f) / gVideoRefreshRate;
if (framesize < 0) {
}
if (c->fxType == AL_FX_CUSTOM) {
@@ -121,7 +123,7 @@ void audioNewThread(ALSynConfig *c, OSPri p, OSSched *arg2) {
osCreateMesgQueue(&D_80116198, &D_801161B0, 8);
osCreateMesgQueue(&OSMesgQueue_80116160, &D_80116178, 8);
osCreateMesgQueue(&D_80119AF0, &D_80119B08, 50);
osCreateMesgQueue(&audDMAMessageQ, &audDMAMessageBuf, 50);
osCreateThread(&audioThread, 4, &func_80002A98, NULL, &dmaState, p);
}
@@ -138,8 +140,118 @@ void audioStopThread(void) {
GLOBAL_ASM("asm/non_matchings/unknown_003260/func_80002A98.s")
GLOBAL_ASM("asm/non_matchings/unknown_003260/func_80002C00.s")
GLOBAL_ASM("asm/non_matchings/unknown_003260/func_80002DF8.s")
GLOBAL_ASM("asm/non_matchings/unknown_003260/__amDMA.s")
/******************************************************************************
*
* __amDMA This routine handles the dma'ing of samples from rom to ram.
* First it checks the current buffers to see if the samples needed are
* already in place. Because buffers are linked sequentially by the
* addresses where the samples are on rom, it doesn't need to check all
* of them, only up to the address that it needs. If it finds one, it
* returns the address of that buffer. If it doesn't find the samples
* that it needs, it will initiate a DMA of the samples that it needs.
* In either case, it updates the lastFrame variable, to indicate that
* this buffer was last used in this frame. This is important for the
* __clearAudioDMA routine.
*
*****************************************************************************/
#if 0
#define DMA_BUFFER_LENGTH 0x400
s32 __amDMA(s32 addr, s32 len, void *state)
{
void *foundBuffer;
s32 delta, addrEnd, buffEnd;
AMDMABuffer *dmaPtr, *lastDmaPtr;
lastDmaPtr = 0;
dmaPtr = dmaState.firstUsed;
addrEnd = addr+len;
/* first check to see if a currently existing buffer contains the
sample that you need. */
while(dmaPtr)
{
buffEnd = dmaPtr->startAddr + DMA_BUFFER_LENGTH;
if(dmaPtr->startAddr > addr) /* since buffers are ordered */
break; /* abort if past possible */
else if(addrEnd <= buffEnd) /* yes, found a buffer with samples */
{
dmaPtr->lastFrame = audFrameCt; /* mark it used */
foundBuffer = dmaPtr->ptr + addr - dmaPtr->startAddr;
return (int) osVirtualToPhysical(foundBuffer);
}
lastDmaPtr = dmaPtr;
dmaPtr = (AMDMABuffer*)dmaPtr->node.next;
}
/* get here, and you didn't find a buffer, so dma a new one */
/* get a buffer from the free list */
dmaPtr = dmaState.firstFree;
/*
* if you get here and dmaPtr is null, send back the a bogus
* pointer, it's better than nothing
*/
if(!dmaPtr)
return osVirtualToPhysical(dmaState.firstUsed);
dmaState.firstFree = (AMDMABuffer*)dmaPtr->node.next;
alUnlink((ALLink*)dmaPtr);
/* add it to the used list */
if(lastDmaPtr) /* if you have other dmabuffers used, add this one */
{ /* to the list, after the last one checked above */
alLink((ALLink*)dmaPtr,(ALLink*)lastDmaPtr);
}
else if(dmaState.firstUsed) /* if this buffer is before any others */
{ /* jam at begining of list */
lastDmaPtr = dmaState.firstUsed;
dmaState.firstUsed = dmaPtr;
dmaPtr->node.next = (ALLink*)lastDmaPtr;
dmaPtr->node.prev = 0;
lastDmaPtr->node.prev = (ALLink*)dmaPtr;
}
else /* no buffers in list, this is the first one */
{
dmaState.firstUsed = dmaPtr;
dmaPtr->node.next = 0;
dmaPtr->node.prev = 0;
}
foundBuffer = dmaPtr->ptr;
delta = addr & 0x1;
addr -= delta;
dmaPtr->startAddr = addr;
dmaPtr->lastFrame = audFrameCt; /* mark it */
audDMAIOMesgBuf[nextDMA].hdr.pri = OS_MESG_PRI_NORMAL;
audDMAIOMesgBuf[nextDMA].hdr.retQueue = &audDMAMessageQ;
audDMAIOMesgBuf[nextDMA].dramAddr = foundBuffer;
audDMAIOMesgBuf[nextDMA].devAddr = (u32)addr;
audDMAIOMesgBuf[nextDMA].size = DMA_BUFFER_LENGTH;
osPiStartDma(&audDMAIOMesgBuf[nextDMA++], 1, 0, addr, foundBuffer, 0x400U, &audDMAMessageQ);
return (int) osVirtualToPhysical(foundBuffer) + delta;
}
#else
GLOBAL_ASM("asm/non_matchings/unknown_003260/__amDMA.s")
#endif
/******************************************************************************
*
* __amDmaNew. Initialize the dma buffers and return the address of the
* procedure that will be used to dma the samples from rom to ram. This
* routine will be called once for each physical voice that is created.
* In this case, because we know where all the buffers are, and since
* they are not attached to a specific voice, we will only really do any
* initialization the first time. After that we just return the address
* to the dma routine.
*
*****************************************************************************/
ALDMAproc __amDmaNew(AMDMAState **state) {
int i;
src/unknown_003260.h
+9 -7
View File
@@ -18,6 +18,9 @@
#define AL_SNDP_END_EVT (1 << 7)
#define AL_SNDP_FX_EVT (1 << 8)
#define AUDIO_STACKSIZE 0x3010
#define NUM_DMA_MESSAGES 50
typedef struct unk800DC6BC_40 {
ALLink node;
u8 pad0C[0x38];
@@ -49,12 +52,12 @@ typedef union {
}ALSndpEvent;
typedef struct AMDMABuffer
typedef struct
{
ALLink node;
u32 unk08;
u32 unk0C;
void *unk10;
ALLink node;
u32 startAddr;
u32 lastFrame;
char *ptr;
} AMDMABuffer;
/* Unknown Size */
@@ -74,12 +77,11 @@ typedef struct audioMgrConfig_s{
typedef struct {
u8 initialized;
u8 unk1[3];
AMDMABuffer *firstUsed;
AMDMABuffer *firstFree;
} AMDMAState;
extern s32 D_800DC680;
extern u32 audFrameCt;
extern s32 D_800DC684;
extern s32 D_800DC688;
extern s32 D_800DC68C;
src/unknown_003260_bss.c
+10 -9
View File
@@ -14,16 +14,17 @@ OSMesg D_80116178[8];
OSMesgQueue D_80116198;
OSMesg D_801161B0[8];
ALGlobals ALGlobals_801161D0;
s32 D_80116220[3076];
u64 audioStack[AUDIO_STACKSIZE/sizeof(u64)];
AMDMAState dmaState;
AMDMABuffer dmaBuffs[50];
s32 D_80119628;
s32 D_8011962C;
s32 D_80119630;
s32 D_80119634;
s32 D_80119638[2];
s32 D_80119640[300];
OSMesgQueue D_80119AF0;
OSMesg D_80119B08[50];
u32 minFrameSize;
u32 framesize;
u32 maxFrameSize;
u32 nextDMA;
u32 D_80119638;
u32 D_8011963C;
OSIoMesg audDMAIOMesgBuf[NUM_DMA_MESSAGES];
OSMesgQueue audDMAMessageQ;
OSMesg audDMAMessageBuf[NUM_DMA_MESSAGES];
unk800DC6BC D_80119BD0;
u16 *D_80119C28;