diff --git a/include/JSystem/JAudio/JAISequenceHeap.h b/include/JSystem/JAudio/JAISequenceHeap.h
new file mode 100644
index 000000000..427b36d13
--- /dev/null
+++ b/include/JSystem/JAudio/JAISequenceHeap.h
@@ -0,0 +1,47 @@
+#ifndef JAISEQUENCEHEAP_H
+#define JAISEQUENCEHEAP_H
+
+#include "dolphin/types.h"
+
+namespace JAInter {
+    class HeapBlock {
+    public:
+        HeapBlock();
+
+        u8 getStatus() { return mStatus; }
+        void setStatus(u8 status) { mStatus = status; }
+        void* getPointer() { return mPointer; }
+        void setPointer(void* pointer) { mPointer = pointer; }
+        // TODO
+        u32 getUseCounter() {}
+        void setUseCounter(u32) {}
+        u32 getDataNumber() {}
+        void setDataNumber(u32) {}
+        u32 getEndAddress() {}
+        void setEndAddress(u32) {}
+
+        /* 0x00 */ u8 mStatus;
+        /* 0x04 */ void* mPointer;
+        /* 0x08 */ u32 field_0x8;
+        /* 0x0C */ u32 field_0xc;
+        /* 0x10 */ u32 field_0x10;
+    };
+
+    namespace HeapMgr {
+        void init(u8, u32, u8, u32);
+        JAInter::HeapBlock* getAutoHeapPointer();
+        void* checkOnMemory(u32, u8*);
+        void releaseAutoHeapPointer(u8);
+        u8 checkUsefulAutoHeapPosition();
+        void* getFreeAutoHeapPointer(u8, u32);
+        void* getFreeStayHeapPointer(u32, u32);
+        void setAutoHeapLoadedFlag(u8, u8);
+
+        extern HeapBlock* sAutoHeap;
+        extern HeapBlock* sStayHeap;
+        extern u32 sAutoHeapCount;
+        extern u32 sStayHeapCount;
+    }
+}
+
+#endif /* JAISEQUENCEHEAP_H */
diff --git a/src/JSystem/JAudio/JAISequenceHeap.cpp b/src/JSystem/JAudio/JAISequenceHeap.cpp
index 772260d0b..f7c2c67b4 100644
--- a/src/JSystem/JAudio/JAISequenceHeap.cpp
+++ b/src/JSystem/JAudio/JAISequenceHeap.cpp
@@ -4,49 +4,145 @@
 //
 
 #include "JSystem/JAudio/JAISequenceHeap.h"
-#include "dolphin/types.h"
+#include "JSystem/JAudio/JAIBasic.h"
+#include "JSystem/JAudio/JAIGlobalParameter.h"
+#include "JSystem/JKernel/JKRSolidHeap.h"
+
+JAInter::HeapBlock* JAInter::HeapMgr::sAutoHeap;
+JAInter::HeapBlock* JAInter::HeapMgr::sStayHeap;
+u32 JAInter::HeapMgr::sAutoHeapCount;
+u32 JAInter::HeapMgr::sStayHeapCount;
 
 /* 80294F5C-8029531C       .text init__Q27JAInter7HeapMgrFUcUlUcUl */
-void JAInter::HeapMgr::init(unsigned char, unsigned long, unsigned char, unsigned long) {
-    /* Nonmatching */
+void JAInter::HeapMgr::init(u8 param_1, u32 param_2, u8 param_3, u32 param_4) {
+    sAutoHeap = new (JAIBasic::getCurrentJAIHeap(), 0x20) HeapBlock[param_3];
+    JUT_ASSERT_MSG(38, sAutoHeap, "JAIHeapMgr::initHeap Cannot Alloc Heap!!\n");
+    for (u32 i = 0; i < param_3; i++) {
+        sAutoHeap[i].mStatus = 0;
+        sAutoHeap[i].field_0xc = 0;
+        sAutoHeap[i].field_0x8 = -1;
+        sAutoHeap[i].field_0x10 = -1;
+        sAutoHeap[i].mPointer = new (JAIBasic::getCurrentJAIHeap(), 0x20) u8[param_4];
+    }
+    sStayHeap = new (JAIBasic::getCurrentJAIHeap(), 0x20) HeapBlock[param_1];
+    JUT_ASSERT_MSG(48, sStayHeap, "JAIHeapMgr::initHeap Cannot Alloc Heap!!\n");
+    sStayHeap->mPointer = new (JAIBasic::getCurrentJAIHeap(), 0x20) u8[param_2];
+    for (u32 i = 0; i < param_1; i++) {
+        sStayHeap[i].mStatus = 0;
+        sStayHeap[i].field_0xc = 0;
+        sStayHeap[i].field_0x8 = -1;
+        sStayHeap[i].field_0x10 = -1;
+    }
 }
 
 /* 8029531C-80295324       .text getAutoHeapPointer__Q27JAInter7HeapMgrFv */
-void JAInter::HeapMgr::getAutoHeapPointer() {
-    /* Nonmatching */
+JAInter::HeapBlock* JAInter::HeapMgr::getAutoHeapPointer() {
+    return sAutoHeap;
 }
 
 /* 80295324-8029541C       .text checkOnMemory__Q27JAInter7HeapMgrFUlPUc */
-void JAInter::HeapMgr::checkOnMemory(unsigned long, unsigned char*) {
-    /* Nonmatching */
+void* JAInter::HeapMgr::checkOnMemory(u32 param_1, u8* param_2) {
+    for (u8 i = 0; i < JAIGlobalParameter::getParamAutoHeapMax(); i++) {
+        if (param_1 != sAutoHeap[i].field_0x8) {
+            continue;
+        }
+        if (sAutoHeap[i].mStatus == 1) {
+            return (void*)-1;
+        }
+        if (param_2) {
+            *param_2 = i;
+        }
+        return sAutoHeap[i].getPointer();
+    }
+    for (u8 i = 0; i < sStayHeapCount; i++) {
+        if (param_1 != sStayHeap[i].field_0x8) {
+            continue;
+        }
+        if (param_2) {
+            *param_2 = 0xff;
+        }
+        return sStayHeap[i].getPointer();
+    }
+    return NULL;
 }
 
 /* 8029541C-80295440       .text releaseAutoHeapPointer__Q27JAInter7HeapMgrFUc */
-void JAInter::HeapMgr::releaseAutoHeapPointer(unsigned char) {
+void JAInter::HeapMgr::releaseAutoHeapPointer(u8 param_1) {
     /* Nonmatching */
+    if (param_1 == 0xff) {
+        return;
+    }
+    sAutoHeap[param_1].field_0x10 = -1;
 }
 
 /* 80295440-80295518       .text checkUsefulAutoHeapPosition__Q27JAInter7HeapMgrFv */
-void JAInter::HeapMgr::checkUsefulAutoHeapPosition() {
-    /* Nonmatching */
+u8 JAInter::HeapMgr::checkUsefulAutoHeapPosition() {
+    int i = 0;
+    u32 r29 = -1;
+    int r28 = 0;
+    for (; i < JAIGlobalParameter::getParamAutoHeapMax(); i++) {
+        if (sAutoHeap[i].field_0x8 == -1) {
+            break;
+        }
+    }
+    if (i == JAIGlobalParameter::getParamAutoHeapMax()) {
+        for (i = 0; i < JAIGlobalParameter::getParamAutoHeapMax(); i++) {
+            if (r29 > sAutoHeap[i].field_0xc && sAutoHeap[i].field_0x10 == -1) {
+                r28 = i;
+                r29 = sAutoHeap[i].field_0xc;
+            }
+        }
+        if (r29 != -1) {
+            i = r28;
+        }
+    }
+    return i;
 }
 
 /* 80295518-80295560       .text getFreeAutoHeapPointer__Q27JAInter7HeapMgrFUcUl */
-void JAInter::HeapMgr::getFreeAutoHeapPointer(unsigned char, unsigned long) {
+void* JAInter::HeapMgr::getFreeAutoHeapPointer(u8 param_1, u32 param_2) {
     /* Nonmatching */
+    sAutoHeap[param_1].field_0x8 = param_2;
+    void* result = sAutoHeap[param_1].mPointer;
+    sAutoHeap[param_1].field_0x10 = sAutoHeapCount;
+    sAutoHeap[param_1].field_0xc = sAutoHeapCount;
+    sAutoHeapCount++;
+    return result;
 }
 
 /* 80295560-80295658       .text getFreeStayHeapPointer__Q27JAInter7HeapMgrFUlUl */
-void JAInter::HeapMgr::getFreeStayHeapPointer(unsigned long, unsigned long) {
+void* JAInter::HeapMgr::getFreeStayHeapPointer(u32 param_1, u32 param_2) {
     /* Nonmatching */
+    if (sStayHeapCount >= JAIGlobalParameter::getParamStayHeapMax()) {
+        return NULL;
+    }
+    void* r30 = sStayHeap[0].getPointer();
+    void* r29 = sStayHeap[sStayHeapCount].getPointer();
+    if (u32(r29) + param_1 < u32(r30) + JAIGlobalParameter::getParamStayHeapSize() && sStayHeapCount < JAIGlobalParameter::getParamStayHeapMax()) {
+        r29 = sStayHeap[sStayHeapCount].getPointer();
+        sStayHeap[sStayHeapCount].field_0x8 = param_2;
+        r30 = (void*)(u32(sStayHeap[sStayHeapCount].getPointer()) + ALIGN_PREV(param_1, 32));
+        if (IS_NOT_ALIGNED(param_1, 32)) {
+            r30 = (void*)(u32(r30) + 32);
+        }
+        sStayHeapCount++;
+        if (sStayHeapCount < JAIGlobalParameter::getParamStayHeapMax()) {
+            sStayHeap[sStayHeapCount].setPointer(r30);
+        }
+    } else {
+        r29 = NULL;
+    }
+    return r29;
 }
 
 /* 80295658-8029566C       .text setAutoHeapLoadedFlag__Q27JAInter7HeapMgrFUcUc */
-void JAInter::HeapMgr::setAutoHeapLoadedFlag(unsigned char, unsigned char) {
-    /* Nonmatching */
+void JAInter::HeapMgr::setAutoHeapLoadedFlag(u8 param_1, u8 param_2) {
+    sAutoHeap[param_1].setStatus(param_2);
 }
 
 /* 8029566C-80295684       .text __ct__Q27JAInter9HeapBlockFv */
 JAInter::HeapBlock::HeapBlock() {
-    /* Nonmatching */
+    field_0xc = 0;
+    field_0x8 = -1;
+    field_0x10 = -1;
 }